MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91cdc7aaff5c03de5146f91473320e88a930706ddb306f3e0724989dea612d26. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91cdc7aaff5c03de5146f91473320e88a930706ddb306f3e0724989dea612d26
SHA3-384 hash: e6da329da3186c34a0c1181c36da92a9f0bf04cd07c602a6dd5f4cb80c4529b1724618ec5b41154acf05e762a7116e7b
SHA1 hash: 9b5c2e587862e9133f41784936609c078343a21d
MD5 hash: 3d83f3f17d933ea09bb3e12c7fcbf119
humanhash: freddie-eleven-emma-oranges
File name:3d83f3f17d933ea09bb3e12c7fcbf119.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'085'952 bytes
First seen:2021-05-31 10:46:56 UTC
Last seen:2021-05-31 12:16:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:7ADW10HXQoBX9dW/J/JHKFhGXM2mFzQbnMjV:0imT90RxH0h4M2mebnM
Threatray 240 similar samples on MalwareBazaar
TLSH 24358C6427DC6644E0BFE7B815F2D02143FA7C929662C65CAAC4048E3E73BC7C9AE715
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3d83f3f17d933ea09bb3e12c7fcbf119.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-31 10:50:12 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/319abba1-94f1-413d-b6d8-716dc9fae322

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/163415/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36999494.11079.25168.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794627
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91cdc7aaff5c03de5146f91473320e88a930706ddb306f3e0724989dea612d26/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-30 22:27:12 UTC
AV detection:
9 of 29 (31.03%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=shg4pkx7lqb54ukg7ekhgmqorcuta4dn3myg6pqhesmj32tbfuta._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0b02739c5fd7a7fa53410bc2287c42cf66a3a6d51ecc9570e76e4f0f8129f2d7
RemcosRAT
2e928af33de11fedaf5d0c388e96ac67509b64bd445a3f4a576f46ec2a0d5374
RemcosRAT
3418e1333e9001927ecc9000abf19f6dfd97a2a48399c9769182a132df8b39dc
RemcosRAT
4fa4ab75bd8f5439907cadec8c16b8e006045e73bc45adbbd5ab368b20cf2c5f
RemcosRAT
6ba4b19d55da2bb560922e8325ce044b622635d936403c7cd9bd80c1f76418ef
RemcosRAT
6f3f6c0f427dd7a5584141e0bc5a1ce8eed39721b3621a86c11bdf571472a610
RemcosRAT
72008754051624f741da1756ab4f5ffecca2713875fc7cb429fd225775ade951
RemcosRAT
9945152f2509b0f8bccc5813830e6584502ceab5e5cc73912ef1b3950fee0cb9
RemcosRAT
ddcd88b517ea06605fb2353580d34f502499588f25066487ebd5fa0d8c7e3683
RemcosRAT
feedd6efd7f0f971d6b9da9033e8c062180b2e613fb10c55e019aa6c2a6c353a
RemcosRAT
+ 230 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/210531-w3spgkeypn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91cdc7aaff5c03de5146f91473320e88a930706ddb306f3e0724989dea612d26

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
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.

Web download

RemcosRAT

Executable exe 91cdc7aaff5c03de5146f91473320e88a930706ddb306f3e0724989dea612d26

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1281662/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/163415/

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