MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f361275b4679dd821cec516ab8d3b1a7523f8920bbd65f22a3610d523951729b. 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 4 File information Comments

SHA256 hash: f361275b4679dd821cec516ab8d3b1a7523f8920bbd65f22a3610d523951729b
SHA3-384 hash: d919357f4ad1eea3b69440de891a2ffeb161b5dbdca0aa94a3bd7ffee27f12fcba696fcf73233e78333947de33375460
SHA1 hash: bcf3c8f96c5b2df5f4f694bc9be8b13f4c5d6444
MD5 hash: ed7e3220e46369bec523ca3338a330e5
humanhash: missouri-queen-steak-burger
File name:UTR400620101111.exe
Download: download sample
Signature RemcosRAT
File size:709'632 bytes
First seen:2024-02-05 08:33:29 UTC
Last seen:2024-02-15 11:02:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:YWh868yq0Gg4rijd3l1Gwq2k4cJptpSydNRt9WfV4kD9c3hwEAmD:YV68yq0N4cd3Gw7sJjpJdNvAn9cxw
TLSH T144E40291B9569FC8D86F0BF10811965053B64E1EA8A7F50D6CDB3DABB273B021D12F0B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
293
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
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:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1386631 Sample: UTR400620101111.exe Startdate: 05/02/2024 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 15 other signatures 2->62 7 UTR400620101111.exe 7 2->7         started        11 IgpZyCEcDkYjvK.exe 5 2->11         started        process3 file4 50 C:\Users\user\AppData\...\IgpZyCEcDkYjvK.exe, PE32 7->50 dropped 52 C:\Users\user\AppData\Local\...\tmpFA03.tmp, XML 7->52 dropped 64 Detected Remcos RAT 7->64 66 Tries to steal Mail credentials (via file registry) 7->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 7->68 76 2 other signatures 7->76 13 UTR400620101111.exe 1 2 7->13         started        17 powershell.exe 23 7->17         started        19 powershell.exe 23 7->19         started        21 schtasks.exe 1 7->21         started        70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Contains functionality to detect virtual machines (IN, VMware) 11->74 78 5 other signatures 11->78 23 IgpZyCEcDkYjvK.exe 11->23         started        25 schtasks.exe 11->25         started        27 IgpZyCEcDkYjvK.exe 11->27         started        29 IgpZyCEcDkYjvK.exe 11->29         started        signatures5 process6 dnsIp7 54 62.102.148.185, 49707, 49714, 49720 TEKNIKBYRANSE Sweden 13->54 80 Installs a global keyboard hook 13->80 82 Injects a PE file into a foreign processes 13->82 31 UTR400620101111.exe 13->31         started        34 UTR400620101111.exe 13->34         started        36 UTR400620101111.exe 13->36         started        48 3 other processes 13->48 38 WmiPrvSE.exe 17->38         started        40 conhost.exe 17->40         started        42 conhost.exe 19->42         started        44 conhost.exe 21->44         started        84 Detected Remcos RAT 23->84 86 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->86 46 conhost.exe 25->46         started        signatures8 process9 signatures10 88 Tries to steal Instant Messenger accounts or passwords 31->88 90 Tries to steal Mail credentials (via file / registry access) 31->90 92 Tries to harvest and steal browser information (history, passwords, etc) 34->92
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-05 08:18:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:gg rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
62.102.148.185:9771
Unpacked files
SH256 hash:
3e0bcf0ad8a7d045cc6325faa1e9cad75961eafd1f9b74435ca18cbe64e4810a
MD5 hash:
f56d05182785746138ef7054a7c3c83c
SHA1 hash:
78442d9f11e64797ea67d3f249048801b2d6ecc8
Detections:
Remcos win_remcos_auto win_remcos_g0 Remcos malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
SH256 hash:
cc228a1442f3d75a627fd212d15abeeb0d03bf7cb39807f3aedfb345026c0fb7
MD5 hash:
553e51bd9682d1fc9530b121705a6b70
SHA1 hash:
c85ee977de501456de10fd04ed54c5efe966e617
SH256 hash:
b12806cfc459d707518ce982849166ca99e95df5e05d4bc7bde7d3f4942cfe0e
MD5 hash:
7c59960bd60eda6f3da4824d1dd30e5e
SHA1 hash:
ab771360df8926364dee0758a6fb6814576fd03e
SH256 hash:
5fe50b7d9a6e9214e727581ebb1dfeb43e175c39ba3966684030f5da4c0c64bf
MD5 hash:
f6b2186dd134aed59815a420cc5ccc8c
SHA1 hash:
569326a8f69da0b50854f18c86805b019cd902fd
SH256 hash:
f361275b4679dd821cec516ab8d3b1a7523f8920bbd65f22a3610d523951729b
MD5 hash:
ed7e3220e46369bec523ca3338a330e5
SHA1 hash:
bcf3c8f96c5b2df5f4f694bc9be8b13f4c5d6444
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

Malspam

RemcosRAT

Executable exe f361275b4679dd821cec516ab8d3b1a7523f8920bbd65f22a3610d523951729b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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