RemcosRAT Sample: 434FE31C97EB8CB0

RemcosRAT Malware Analysis

File Properties

SHA256: 434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9

MD5: 4a248ffc46712f92638e289f3ae0babb

File Type: dll

Size: 941,368 byte

First Seen: 2026-03-30

AV Signature: RemcosRAT

Imphash: b492aabfbf2837593f4568452d907063

Reported By: JAMESWT_WT

Tags: dll, je666cs-com, mrmcs-supportmanageronline-com, remcos, RemcosRAT, signed

Static analysis: metadata-based (sample not downloaded)

RemcosRAT — Malware Profile

RemcosRAT - BreakingSecurity.net tarafindan lisansli satilan uzaktan erisim araci. Mesbru pentesting araci olarak satilsa da kriminal aktörler tarafindan yaygin kullanilir. Process hollowing, keylogger, clipboard/audio/screenshot izleme, Chrome kimlik bilgisi hirsizligi, UAC bypass, TLS 1.3 sifreli C2.

Malware Type

RAT

Programming Language

C++

C2 Protocol

TCP/RC4

Target Systems

Windows

Also Known As (AKA)

Remcos, Breaking-Security

Technical Details

TCP port 2404 (varsayilan), RC4 veya XOR sifreleme, C++ ile gelistirilmis, PE injection, UAC bypass (CMSTPLUA), AMSI bypass, Anti-debug (GetTickCount/RDTSC), DGA destekli C2, Keylogger, Screenshot, Audio

Attribution / Threat Actor

Breaking Security firmasinin isvicre tabanli olmasi nedeniyle ilk gelistirme AB'de gerceklestirilmistir; ancak surekli dunya genelinde siber suclu topluluklari tarafindan kullanilmaktadir.

Capabilities & Behavior

Uzaktan Erişim & Kontrol

Keylogger

Ekran Görüntüsü

Webcam Erişimi

Dosya Yönetimi

Süreç Yönetimi

Komut Yürütme

Kalıcılık Mekanizması

IOC List (1 indicators)

IOC — RemcosRAT

# FILEPATH
434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9

Type	Value	Note
filepath	434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9	PDB

RemcosRAT — Go to Full Profile →

C2 Servers (8 recorded servers for this family)

Address	Type	Port	Protocol	Status	Country
breakingsecurity.net	domain	—	TCP	active	—
breakingsecurity.net	domain	—	TCP	active	—
breakingsecurity.net	domain	—	TCP	active	—
paint.net	domain	—	TCP	active	—
americanshippingline.com	domain	—	TCP	active	—
purl.org	domain	—	TCP	active	—
adobe.com	domain	—	TCP	active	—
paint.net	domain	—	TCP	active	—

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.