MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 80c597171ff8c2ac89f2c1f1a0db46d8dd6450e537e564a74151ab34fe3bfec0. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 80c597171ff8c2ac89f2c1f1a0db46d8dd6450e537e564a74151ab34fe3bfec0
SHA3-384 hash: 1c5e890bc088d7e338d53567141998ef62e8e6ae90a41c0fd7146ac8ff0f8d50a633134836f9d2d384b3f5919d18c601
SHA1 hash: f336b29d439c561ec7845a8a3f64a06e04a38ae4
MD5 hash: 78684c840dd5ce32fa138dca6efbfd71
humanhash: four-pennsylvania-butter-lactose
File name:Scanned Doc.exe
Download: download sample
Signature RemcosRAT
File size:1'213'952 bytes
First seen:2022-10-26 18:17:49 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:Qn/lXUQI1qh+3VyFdYeSSf7UppcRmcT04WlQpUzkJ:QnbInQhfopp2nT1WlQGk
Threatray 2'247 similar samples on MalwareBazaar
TLSH T15645BE74239E4F17D0EACE38A471D1F006626D7BB96ECB86CAD46CFB78223A1590C553
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Scanned Doc.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 18:19:43 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
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 731337 Sample: Scanned Doc.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 9 other signatures 2->52 7 Scanned Doc.exe 7 2->7         started        11 FVtqCfdrpIB.exe 5 2->11         started        process3 file4 32 C:\Users\user\AppData\...\FVtqCfdrpIB.exe, PE32 7->32 dropped 34 C:\Users\...\FVtqCfdrpIB.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp3499.tmp, XML 7->36 dropped 38 C:\Users\user\AppData\...\Scanned Doc.exe.log, ASCII 7->38 dropped 54 Adds a directory exclusion to Windows Defender 7->54 56 Injects a PE file into a foreign processes 7->56 13 Scanned Doc.exe 2 16 7->13         started        18 powershell.exe 21 7->18         started        20 schtasks.exe 1 7->20         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 22 schtasks.exe 1 11->22         started        24 FVtqCfdrpIB.exe 11->24         started        signatures5 process6 dnsIp7 42 185.136.163.102, 1960, 49704 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 13->42 44 geoplugin.net 178.237.33.50, 49705, 80 ATOM86-ASATOM86NL Netherlands 13->44 40 C:\ProgramData\remcos\logs.dat, data 13->40 dropped 62 Installs a global keyboard hook 13->62 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-26 09:08:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
40
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost golden 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:
185.136.163.102:1960
Unpacked files
SH256 hash:
73c8bdfbe0633323f3d7c49f76aac245e96c9049a402e94f971abfd9b14821eb
MD5 hash:
9cfdc330f73711aa6d230918f8e1c0fe
SHA1 hash:
ce15e3299b65d59ac0d35983eb2ddc12c2852c68
SH256 hash:
052535c401cb0cb147be46960b7c3d80436dcd215a5fd9038df1a9e3a353451a
MD5 hash:
f117f58253fc64413db100b93f30e02b
SHA1 hash:
761c363e516b1f2e780ea22e2f863c02248fb07c
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
8f580dbd0a53b6f0738ab87e7e761f3614eb31629e94f4383df660c7e7acb105
MD5 hash:
e6694b3b83c5d526db8b1c231a3d8260
SHA1 hash:
28860ab3d295eaa5a0275fd46e078042a92debc0
SH256 hash:
80c597171ff8c2ac89f2c1f1a0db46d8dd6450e537e564a74151ab34fe3bfec0
MD5 hash:
78684c840dd5ce32fa138dca6efbfd71
SHA1 hash:
f336b29d439c561ec7845a8a3f64a06e04a38ae4
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: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 80c597171ff8c2ac89f2c1f1a0db46d8dd6450e537e564a74151ab34fe3bfec0

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment

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