MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 271f99b3aa0cfb6916f6297e02f0d31e601acd4549ba536e7efa633c67c4a185. 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



DarkCloud


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 271f99b3aa0cfb6916f6297e02f0d31e601acd4549ba536e7efa633c67c4a185
SHA3-384 hash: 7617e95111d487a9255812768ad3e553838e3950c8879e89c4de5e16abd475352bff19b90c9081eb6136bd77177f6577
SHA1 hash: b598d99be6262aab93b5584e174896be2f5c714e
MD5 hash: d2d751d07698bf1b94f4396eb2f290a3
humanhash: chicken-mexico-eighteen-helium
File name:shipping documents.exe
Download: download sample
Signature DarkCloud
File size:848'896 bytes
First seen:2023-08-07 07:53:18 UTC
Last seen:2023-08-14 08:02:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:NySXWqIi8EG1tamOidEun+BgZ962FlFstBiuVcLsRBQAk8iXOpRJaN8Ia:QNqIbcun9WOFstB9c2QAk82O7sN7a
Threatray 34 similar samples on MalwareBazaar
TLSH T1F305124BB928D4B7F51934FE1C16820403B12C7965A8F2C39DDC7DEA2972F8897135AB
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 31d89c92929ed831 (19 x RemcosRAT, 6 x Formbook, 2 x AgentTesla)
Reporter adrian__luca
Tags:DarkCloud exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
276
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
shipping documents.exe
Verdict:
Malicious activity
Analysis date:
2023-08-07 07:59:01 UTC
Tags:
darkcloud

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
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Gathering data
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:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected DarkCloud
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1286932 Sample: shipping_documents.exe Startdate: 07/08/2023 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 8 other signatures 2->58 7 YFNZfKmA.exe 5 2->7         started        10 shipping_documents.exe 7 2->10         started        13 fireling.exe 2->13         started        15 fireling.exe 2->15         started        process3 file4 64 Antivirus detection for dropped file 7->64 66 Multi AV Scanner detection for dropped file 7->66 68 Machine Learning detection for dropped file 7->68 70 Injects a PE file into a foreign processes 7->70 17 RegSvcs.exe 7->17         started        22 schtasks.exe 7->22         started        42 C:\Users\user\AppData\Roaming\YFNZfKmA.exe, PE32 10->42 dropped 44 C:\Users\user\AppData\Local\...\tmpEC1A.tmp, XML 10->44 dropped 72 Uses schtasks.exe or at.exe to add and modify task schedules 10->72 74 Writes to foreign memory regions 10->74 76 Adds a directory exclusion to Windows Defender 10->76 24 RegSvcs.exe 1 41 10->24         started        26 powershell.exe 19 10->26         started        28 schtasks.exe 1 10->28         started        30 conhost.exe 13->30         started        32 conhost.exe 15->32         started        signatures5 process6 dnsIp7 46 192.168.2.1 unknown unknown 17->46 40 C:\Users\user\AppData\...\fireling.exe, PE32 17->40 dropped 60 Tries to harvest and steal browser information (history, passwords, etc) 17->60 34 conhost.exe 22->34         started        48 mail.quantumgenetix.com 69.27.116.4, 25, 49703, 49705 VDCCA Canada 24->48 50 showip.net 162.55.60.2, 49702, 49704, 80 ACPCA United States 24->50 62 May check the online IP address of the machine 24->62 36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        file8 signatures9 process10
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud stealer
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
DarkCloud
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
SH256 hash:
04cf584aa299691c3d110ae52cf09889c32256d4e6ce9babc090684e36e37e7f
MD5 hash:
e8cb7d580b431e4cccea7001406826e1
SHA1 hash:
955027b1501e12439f46b33fb02865250be4daee
Detections:
darkcloudstealer
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
4f79c9b02e22d194579cdce278335ddf8100eeda934f56d8f454f765a0ad5658
MD5 hash:
f26c4b01baf1ead7828c43001b087163
SHA1 hash:
29df643f371055e6dd280df7975607ff5e66f03b
SH256 hash:
acb4f2181a20567f3a024b4919e95a204633c49dd5fa694e73b2c508b2517f62
MD5 hash:
54382de0119d4daa02ec3edd0312168d
SHA1 hash:
0451e80a80e731f260afd2e7c60d9d79069b0a3b
SH256 hash:
271f99b3aa0cfb6916f6297e02f0d31e601acd4549ba536e7efa633c67c4a185
MD5 hash:
d2d751d07698bf1b94f4396eb2f290a3
SHA1 hash:
b598d99be6262aab93b5584e174896be2f5c714e
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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

DarkCloud

Executable exe 271f99b3aa0cfb6916f6297e02f0d31e601acd4549ba536e7efa633c67c4a185

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments