MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8109a0528091c8be7fc71e941604672f1cfba50a020c9b4fce74be6e092764f4. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



RemcosRAT


Vendor detections: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: 8109a0528091c8be7fc71e941604672f1cfba50a020c9b4fce74be6e092764f4
SHA3-384 hash: eed560e67e9b4cbc3f5951e52aadf88eb4a5c356f94bab5b0479875fbf3c62cb97a6d243c72e5d14272fe4ea933b47ea
SHA1 hash: 35d399c97200bd5e9164ae609b833c8d57973e20
MD5 hash: 3b1c10d10b05b1a5ecac045e9a33528d
humanhash: butter-item-montana-steak
File name:OUTLOOK.exe
Download: download sample
Signature RemcosRAT
File size:1'351'680 bytes
First seen:2026-02-02 18:23:29 UTC
Last seen:2026-02-02 19:48:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'663 x Formbook, 12'252 x SnakeKeylogger)
ssdeep 24576:PHyGHYYNRHYm9Ph6WE4n54RCnRveYepqMKDmfC4KOSSn2j6EEma:a0dPh6WP5rRveYkqM3fC41p2Fy
Threatray 4'023 similar samples on MalwareBazaar
TLSH T1AE55D00722D69A64F4BF5B34D2B5452443F8BD0B8631E7AE3B4B02F99F1274A9912373
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter qemped
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
116
Origin country :
ID ID
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_8109a0528091c8be7fc71e941604672f1cfba50a020c9b4fce74be6e092764f4.exe
Verdict:
Suspicious activity
Analysis date:
2026-02-02 18:48:22 UTC
Tags:
auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Running batch commands
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
at obfuscated obfuscated vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-02T05:03:00Z UTC
Last seen:
2026-02-03T08:30:00Z UTC
Hits:
~10
Detections:
Backdoor.Win32.Androm PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Xegumumune.sbc Trojan.Win32.Mucc.sb Trojan.MSIL.Inject.b HEUR:Trojan-Spy.MSIL.Convagent.gen Exploit.Win32.BypassUAC.sb Backdoor.Win32.Remcos.f Trojan-Dropper.Win32.Injector.sb Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Mucc.gen Backdoor.Win32.Remcos.sb Backdoor.Win32.Remcos.e
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.84 Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Suspicious
First seen:
2026-02-01 19:47:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
.NET Reactor proctector
Executes dropped EXE
Unpacked files
SH256 hash:
8109a0528091c8be7fc71e941604672f1cfba50a020c9b4fce74be6e092764f4
MD5 hash:
3b1c10d10b05b1a5ecac045e9a33528d
SHA1 hash:
35d399c97200bd5e9164ae609b833c8d57973e20
SH256 hash:
e8fd2ba3e6973d83e9d47a8a3927720d985116237b19ab98224b8c53e0501d71
MD5 hash:
4f844017df3330ccb00c2e4e2de4503b
SHA1 hash:
2fb551286b524bb9adf217efcffaf47b8efb98bf
SH256 hash:
fd7fb3258cf66e81004588e92d0716c2b958e11d58ec4cccdd34b707e2c629a5
MD5 hash:
c02c691102ab160e33c60e3309864755
SHA1 hash:
63d50f73a8c47fccdf27a076cb83ac4e4d90b45c
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
3d2513aef57950b4fbaa6595bdd45cb50534eb7e27f059eb71758b42ff6509dc
MD5 hash:
3d67305123746bc4b006a04fedbaf05e
SHA1 hash:
9925c9dfaf0321be5f52fb24f7179cb53dfe71e5
Detections:
win_remcos_auto win_remcos_w0 Remcos malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
SH256 hash:
0ebdd6b8c242139f780a8b00abec958853237868b09de4bbf9dddc8b583da4f0
MD5 hash:
6e23b0cfefc115d31f8dac49b6379560
SHA1 hash:
234165f31d9f9d12dd286569f037fdf8fc42cfef
SH256 hash:
da59224e4a48584a44f7a7fb5a1eef8279ffcded8e9555ec65542b576f0029bc
MD5 hash:
b33d22178e1d02b4e362cc13f53f9ca7
SHA1 hash:
6b70062537fc956af90a359f4a289032e71a6db2
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RSharedStrings
Author:Katie Kleemola
Description:identifiers for remote and gmremote
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments