MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments
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SHA256 hash: 6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198
SHA3-384 hash: 0e5f3a100b676d4b55eb8217edfa749f2ea04109bd9e89aa9fe4b886a3e8a95d0748ae8ef2a2bdc513ed28bea7155f83
SHA1 hash: e97fca022ed25de28edf9cc8c862b31896773972
MD5 hash: 36d24ccaca3d0333a61d77fcdf218920
humanhash: lion-oregon-fruit-connecticut
File name:6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198
Download: download sample
Signature DarkCloud
Create hunting rule
File size:746'496 bytes
First seen:2025-02-07 14:32:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:kYV6MorX7qzuC3QHO9FQVHPF51jgcyHymUT7+PqC37olN8wOHjeJ6+PgWdID02BN:jBXu9HGaVHyAwvrYN8wOD8L9ID0ON
Threatray 208 similar samples on MalwareBazaar
TLSH T184F423C3EA0A167CD8390A3D947ADC3090479EA593F13BCA08DAFD23B6B76585177067
TrID 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
12.1% (.EXE) Win64 Executable (generic) (10522/11/4)
7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon e4e46363a4bcbcbc (2 x DarkCloud, 1 x CrimsonRAT)
Reporter adrian__luca
Tags:DarkCloud exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
449
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198
Verdict:
Suspicious activity
Analysis date:
2025-02-07 17:58:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e9c01571-9739-44a6-9634-e790687b67d4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.28648.17751.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a61b9edbfc8aaee8cd8126
Tags:
autorun autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198
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:
Malicious
Link:
https://analyze.intezer.com/analyses/f619df00-3206-4d3f-a68a-5137e5e7b54b
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1609356
Signature
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes or reads registry keys via WMI
Writes to foreign memory regions
Yara detected DarkCloud
Yara detected Generic Dropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609356 Sample: D9gQohapey.exe Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 30 showip.net 2->30 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected DarkCloud 2->38 40 7 other signatures 2->40 8 D9gQohapey.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\unrosed.exe, PE32 8->26 dropped 48 Binary is likely a compiled AutoIt script file 8->48 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->50 14 unrosed.exe 3 8->14         started        52 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->52 18 unrosed.exe 2 12->18         started        signatures6 process7 file8 28 C:\Users\user\AppData\Roaming\...\unrosed.vbs, data 14->28 dropped 54 Multi AV Scanner detection for dropped file 14->54 56 Binary is likely a compiled AutoIt script file 14->56 58 Machine Learning detection for dropped file 14->58 66 2 other signatures 14->66 20 svchost.exe 17 14->20         started        60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->60 62 Writes to foreign memory regions 18->62 64 Maps a DLL or memory area into another process 18->64 24 svchost.exe 16 18->24         started        signatures9 process10 dnsIp11 32 showip.net 162.55.60.2, 49747, 49975, 80 ACPCA United States 20->32 42 Writes or reads registry keys via WMI 20->42 44 System process connects to network (likely due to code injection or exploit) 24->44 46 Tries to harvest and steal browser information (history, passwords, etc) 24->46 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2025-01-29 12:20:00 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnamc5u63d4vsxkr7ecbordxojk2bqjgfbzxuyrotcp4bweucgma._file
Verdict:
malicious
Label(s):
darkcloudstealer
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unknown_loader_036
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Similar samples:
5e359c24298d90f795395fd321b6b8ec56015ddcd50377d0cac23072cc0496be
DarkCloud
7c0e48c541969359c64b262854ae7172b9e3fc0debdd019fa85b3bc67f38db61
DarkCloud
9bd66b6fa9050edf01d12180e4569c464f47e3235d5a912c9d2e91b6461e8f23
DarkCloud
dfade43b170cbeefcb58db57df4095fb2c109f85af3dd6bc514cbf2a9d86b2b9
DarkCloud
ee9ed4987fb571fe5694f7b4d56b722c2b9c7d4bdd390c405a97b8a907405ebd
DarkCloud
eeb16dba4a307c8f966cb1f0f63acfa026bbb306e32fc0bc56a5f56b5e446a67
DarkCloud
error
DarkCloud
f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e
DarkCloud
+ 198 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery stealer upx
Link:
https://tria.ge/reports/250207-rwf4dswkaj/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Drops startup file
Executes dropped EXE
Loads dropped DLL
DarkCloud
Darkcloud family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7807349280:AAE29sJBJnMYIauQ3X9DXHIUE0WXDkDnSGY/sendMessage?chat_id=8081247323
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/67ea3f8c-fc9a-46c0-a59d-41f6dfb17038
Unpacked files
SH256 hash:
6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198
MD5 hash:
36d24ccaca3d0333a61d77fcdf218920
SHA1 hash:
e97fca022ed25de28edf9cc8c862b31896773972
Link:
https://www.unpac.me/results/a52130dd-3634-4d84-baa2-7435ef651bf8/
SH256 hash:
dfc8605f12bb9c16413fd5fad95a04287dce1d6edb9ea4dfe9b08e006d0caae2
MD5 hash:
974decb35cb43df45718c213eb4699c3
SHA1 hash:
665e9fd50649d2ffa3966cd52d05a8b933a993b6
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/a52130dd-3634-4d84-baa2-7435ef651bf8/
Parent samples :
5e359c24298d90f795395fd321b6b8ec56015ddcd50377d0cac23072cc0496be
6b40c1769ed8f9595d51f9041744777255a0c12628737a622e989fc0d8941198
SH256 hash:
a79ee8e481d866c757d6474b59b753160584ab6b9f4b49ee0c617df79ecc1d6e
MD5 hash:
d185e3ee0f79a3196c80a6362e19641d
SHA1 hash:
b5e44d60bf498d04edb1c0e39d95c87025b0eac6
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/a52130dd-3634-4d84-baa2-7435ef651bf8/
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/a52130dd-3634-4d84-baa2-7435ef651bf8/
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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_DarkCloud
Create hunting rule
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:ProtectSharewareV11eCompservCMS
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
Rule name:Windows_Trojan_DarkCloud_9905abce
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

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