MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab3b3296f0c1362788a03e256a24c7e6a38661c484cca9d281bf929521dd7c68. 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: 19


Intelligence 19 IOCs YARA 3 File information Comments

SHA256 hash: ab3b3296f0c1362788a03e256a24c7e6a38661c484cca9d281bf929521dd7c68
SHA3-384 hash: 39a9b0ceb13d180cf125d4c482d79c7a290de6b1527c50bfe53f240ca42e63b7764f52608a2a2705d7e9ceeebc5bfeb7
SHA1 hash: 599fa5cf23a73295665fe064af2fa0a1d4b85bfc
MD5 hash: 68957e2ed4d2aa09d923a4fa94a9987a
humanhash: berlin-helium-princess-speaker
File name:ab3b3296f0c1362788a03e256a24c7e6a38661c484cca9d281bf929521dd7c68
Download: download sample
Signature RemcosRAT
File size:996'352 bytes
First seen:2025-10-10 06:50:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:kEam7wpfyIvZaj6PAzTmRh5yLjVxK2SVGlUGBndeBL6KTP:XamUgIwGozTs5qHzI4eBL6UP
Threatray 1'561 similar samples on MalwareBazaar
TLSH T15525121A23A6EE11D5E00FF01870D3B91779AE59A822C30B5FF76EEF38343611964697
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 adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ac10416cb541901c5153a90cb71541cb0b7cb45c73c814393ecf31aec6bf2053.zip
Verdict:
Malicious activity
Analysis date:
2025-10-10 06:58:05 UTC
Tags:
arch-exec remcos rat auto-sch-xml

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
remcos virus msil sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-17T03:48:00Z UTC
Last seen:
2025-10-12T03:45:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Trojan-Dropper.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb HEUR:Trojan-PSW.MSIL.Agensla.gen HEUR:Trojan.MSIL.Taskun.sb
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2025-09-17 11:13:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos discovery execution persistence rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
185.232.21.42:2473
Unpacked files
SH256 hash:
ab3b3296f0c1362788a03e256a24c7e6a38661c484cca9d281bf929521dd7c68
MD5 hash:
68957e2ed4d2aa09d923a4fa94a9987a
SHA1 hash:
599fa5cf23a73295665fe064af2fa0a1d4b85bfc
SH256 hash:
6041f8449781512f552ae00d2e9149e34cd06b75de9056a95799bd85b2cafbfe
MD5 hash:
4d13331ba04f5ccb4e065840633e56ad
SHA1 hash:
16bb1b68f556f3260c612ddd07f7c06f467e6aed
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
b2ac00d97c373c7efe7b9a54ce8b9f8b317ef919f29c45e3cdcfac3545674800
MD5 hash:
3d4e92fe67d6c1780f213fd51c36df1f
SHA1 hash:
8285892de43aa6bf4fd6bb52d05c937095c7b1be
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:pe_imphash
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