MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad57def386afddee671b7259046c88da4e51150af32afae55433ca43b52d17d5. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ad57def386afddee671b7259046c88da4e51150af32afae55433ca43b52d17d5
SHA3-384 hash: 09a77acf3709744755d117290ca315fc2c9bd9b822fbe28223e89fbe1739a6635768b4386ef203a2338f2d5dde64c03e
SHA1 hash: ecef286dad2339c124b45db8557e652f77a1942d
MD5 hash: 926d268a424718eab953e5ba1aef435e
humanhash: sodium-july-single-purple
File name:IMG-02.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:6'144 bytes
First seen:2022-10-24 18:24:46 UTC
Last seen:2022-10-24 19:57:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 96:o1kpDfNm8DpI5/sxpxCvs4ajS5n0pwbFnU:o1kh1m8DpItsDQvs4a+mX
Threatray 1'491 similar samples on MalwareBazaar
TLSH T197C1B524D3DC433BDE624BBAD8B363810378EB64DD57CB9E1888520A9C567940A20B79
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 :
2
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG-02.exe
Verdict:
Malicious activity
Analysis date:
2022-10-24 18:26:16 UTC
Tags:
trojan
Link:
https://app.any.run/tasks/93b81f7e-6333-42ad-b00d-c7a30f4c2bec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/323597/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Bladabindi.1.2563.9684.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request to an infection source
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6c328390-366f-43ff-a2f9-6814fbae1c18
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1096860
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 729501 Sample: IMG-02.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 7 other signatures 2->54 7 IMG-02.exe 16 7 2->7         started        12 Bsbufwhcv.exe 14 3 2->12         started        14 Bsbufwhcv.exe 3 2->14         started        process3 dnsIp4 44 194.180.48.9, 49707, 49712, 49713 LVLT-10753US Germany 7->44 34 C:\Users\user\AppData\...\Bsbufwhcv.exe, PE32 7->34 dropped 36 C:\Users\...\Bsbufwhcv.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\...\IMG-02.exe.log, ASCII 7->38 dropped 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->56 58 Encrypted powershell cmdline option found 7->58 16 IMG-02.exe 2 16 7->16         started        20 powershell.exe 16 7->20         started        22 IMG-02.exe 7->22         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 24 powershell.exe 10 12->24         started        26 powershell.exe 14->26         started        file5 signatures6 process7 dnsIp8 40 79.110.62.46, 49710, 50499 LASOTELFR Germany 16->40 42 geoplugin.net 178.237.33.50, 49711, 80 ATOM86-ASATOM86NL Netherlands 16->42 46 Installs a global keyboard hook 16->46 28 conhost.exe 20->28         started        30 conhost.exe 24->30         started        32 conhost.exe 26->32         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ad57def386afddee671b7259046c88da4e51150af32afae55433ca43b52d17d5/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-10-24 09:59:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vvl5544gv7o64zy3ojmqi3ei3jhfcfik6mvpvzkugpfehnjnc7kq._file
Verdict:
malicious
Similar samples:
270daae1261a5456d3a85fdd050e3f7c7f55ed69015bcffc1a4e958e2816a513
RemcosRAT
43bd48f81af8a50bfb387c380f30e5f4ae743039c571915ec9335547a908fdd5
RemcosRAT
45fa164b6426a399c2720ae533c6ad0f5d024cf6d7a2f43313ab1b8d5ac9c269
RemcosRAT
53f30e0174d4f4a422bc8ee8ab174bf13c96dc312b6c472ccf43b6e33262f976
RemcosRAT
82a7cd35e0da9d355890714cb0cb18b07f4477b16706562c88cd61227a6e62af
RemcosRAT
a46ba907fa55dea9842e0c9a005d71190c7630d033432fa60c5e2996333c3bd9
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
daf72eb67d270757434158fbcb578a1a53f82ee5fd94c98c24e1580429ed9c3c
RemcosRAT
e661db82b7389dfbad49ab5cc4aa55bab42dcf1f3fd87c424492c9401d4730b2
RemcosRAT
f60fce8513f7e377cd397baa536a3d55fec6b106fcbd598117bb3c4fc41cdf04
RemcosRAT
+ 1'481 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remote persistence rat
Link:
https://tria.ge/reports/221024-w2ngwaaadr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
79.110.62.46:50499
Unpacked files
SH256 hash:
ad57def386afddee671b7259046c88da4e51150af32afae55433ca43b52d17d5
MD5 hash:
926d268a424718eab953e5ba1aef435e
SHA1 hash:
ecef286dad2339c124b45db8557e652f77a1942d
Link:
https://www.unpac.me/results/de561654-30e4-4c2d-b22b-0b4352bd05bc/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ad57def386af/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/ad57def386afddee671b7259046c88da4e51150af32afae55433ca43b52d17d5

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 ad57def386afddee671b7259046c88da4e51150af32afae55433ca43b52d17d5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/323597/

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