MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c2b603e5f2c4bf67f3e240cff2daa7ffca9703ce808e9893f446963ff72eb1e. 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: 15


Intelligence 15 IOCs YARA 16 File information Comments

SHA256 hash: 3c2b603e5f2c4bf67f3e240cff2daa7ffca9703ce808e9893f446963ff72eb1e
SHA3-384 hash: baf072ec1b7d8b28487551aed7ada1504c965563f3ece7fd9c4e7330f8c21849db8df0f7fd96ad17fc45b77c217eb4bb
SHA1 hash: 46972de0bd624f68a2091e0922b0749c7bf31574
MD5 hash: e66c2dff7d1411d1e88d1dda83d4dbc9
humanhash: may-jupiter-network-arkansas
File name:DOCUMENTS AWB 298892800828289.pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'107'968 bytes
First seen:2023-06-16 11:17:13 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 24576:6Xa1j5LA9szjGS0iDRFdkAS69HW47mtYh4P:h95LAOzjttrj9HW2mtYW
Threatray 4'815 similar samples on MalwareBazaar
TLSH T19E35121076A8CB2BC07F0BF585001130877B526BB567D71A0DD6B5EA6CC6B8352AF78B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
DOCUMENTS AWB 298892800828289.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-16 11:21:17 UTC
Tags:
rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-06-16 11:18:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
134.195.139.199:2404
Unpacked files
SH256 hash:
27996dff012ffc0fc107402bc7d08204809872d5ac934dc7d8302b87e5b476a3
MD5 hash:
ab153e17a60240acbfca8b5576bd0b38
SHA1 hash:
edae17ce7c3cb521028b75f88c4fa8f9ea9b18f4
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
ebca25946108eef10927abb9e905f0801a318de3e5a51aa990d6bd7efeafba37
MD5 hash:
1369a2f326e0db7353c247238c6baa4c
SHA1 hash:
b7f02863596b94f450fc4022d0d6dd7a1dc20b3e
SH256 hash:
b86193f0f5eeadf451f23596dffb4d015245311c67bc15244c2b1c81293d3679
MD5 hash:
be09d1a9fbdc7fe4ad47e49a0ccf2a0e
SHA1 hash:
3eea7d856de59fefd670110c2edda63c319a5a1b
SH256 hash:
639180fe2c0c08b27b952fba813d2836a49837f65b6a6d354dc6d6a7aac04f6e
MD5 hash:
af1228484f2999050fd1c9ba55994304
SHA1 hash:
1815b4e355730e0727c082ecd27c80df5fb0297e
Detections:
Remcos win_remcos_auto
SH256 hash:
3c2b603e5f2c4bf67f3e240cff2daa7ffca9703ce808e9893f446963ff72eb1e
MD5 hash:
e66c2dff7d1411d1e88d1dda83d4dbc9
SHA1 hash:
46972de0bd624f68a2091e0922b0749c7bf31574
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:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:QbotStuff
Author:anonymous
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:yara_template

File information


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

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