MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe
SHA3-384 hash: 7bd4fdbf420603b7ecf4699154a8d7bd11db7619f946cfece9adf109a1434c3b59b6e2de0507f45a748ed1adfa379bb3
SHA1 hash: bdc494f8aa034747d56eb99221322bbd0d7d4ed7
MD5 hash: 26475b4e29c0297c3a66cd3e915c7cd7
humanhash: fanta-football-cola-california
File name:f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe
Download: download sample
Signature DarkCloud
Create hunting rule
File size:725'504 bytes
First seen:2025-02-07 14:27:57 UTC
Last seen:2025-02-07 15:42:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:4YV6MorX7qzuC3QHO9FQVHPF51jgcjVA8XTVF1m0i3K3TrYOL+R5pCnq:XBXu9HGaVHj28pFg0i3K4Lf
Threatray 183 similar samples on MalwareBazaar
TLSH T1A2F423663F493B07D8AD42FBBD7B9A215C5A886DC7B5234AA6FEF014E076FC5800D012
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 e4dcd8c4d4d4c4d4 (95 x AgentTesla, 51 x Formbook, 12 x RemcosRAT)
Reporter adrian__luca
Tags:DarkCloud exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
434
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe
Verdict:
Suspicious activity
Analysis date:
2025-02-07 18:37:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c4c8cff9-b82a-4bdd-8dc6-87a62c9a6b25

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.32404.14394.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a61b7dab8a2d1c6bcd897c
Tags:
autorun autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe
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/86e8148d-0548-4cd4-9062-82eca124e407
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1609420
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
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 signatures2 2 Behavior Graph ID: 1609420 Sample: JbmzNE4z39.exe Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected DarkCloud 2->32 34 7 other signatures 2->34 7 JbmzNE4z39.exe 6 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 24 C:\Users\user\AppData\...\mouslingly.exe, PE32 7->24 dropped 40 Binary is likely a compiled AutoIt script file 7->40 42 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->42 13 mouslingly.exe 3 7->13         started        44 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->44 17 mouslingly.exe 2 11->17         started        signatures5 process6 file7 26 C:\Users\user\AppData\...\mouslingly.vbs, data 13->26 dropped 46 Multi AV Scanner detection for dropped file 13->46 48 Binary is likely a compiled AutoIt script file 13->48 50 Machine Learning detection for dropped file 13->50 56 3 other signatures 13->56 19 svchost.exe 5 13->19         started        52 Writes to foreign memory regions 17->52 54 Maps a DLL or memory area into another process 17->54 22 svchost.exe 4 17->22         started        signatures8 process9 signatures10 36 Writes or reads registry keys via WMI 19->36 38 Tries to harvest and steal browser information (history, passwords, etc) 22->38
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-01-29 10:01:31 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7g4lltxakmypxf6rhod7ukczhj77ppru7s7qsybsq2ve576q367a._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
unknown_loader_036
Create hunting rule
Similar samples:
5e359c24298d90f795395fd321b6b8ec56015ddcd50377d0cac23072cc0496be
DarkCloud
7c0e48c541969359c64b262854ae7172b9e3fc0debdd019fa85b3bc67f38db61
DarkCloud
9bd66b6fa9050edf01d12180e4569c464f47e3235d5a912c9d2e91b6461e8f23
DarkCloud
dfade43b170cbeefcb58db57df4095fb2c109f85af3dd6bc514cbf2a9d86b2b9
DarkCloud
ee9ed4987fb571fe5694f7b4d56b722c2b9c7d4bdd390c405a97b8a907405ebd
DarkCloud
eeb16dba4a307c8f966cb1f0f63acfa026bbb306e32fc0bc56a5f56b5e446a67
DarkCloud
error
DarkCloud
f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e
DarkCloud
+ 173 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-rs5btatrcw/
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
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/1b4e11b9-86a4-4ffc-b2f3-b876bdbc2250
Unpacked files
SH256 hash:
f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe
MD5 hash:
26475b4e29c0297c3a66cd3e915c7cd7
SHA1 hash:
bdc494f8aa034747d56eb99221322bbd0d7d4ed7
Link:
https://www.unpac.me/results/1f5d733a-dd2f-4106-accf-1534d56db74f/
SH256 hash:
2bb9b32866e17b9b4fb0ff2d1fb367e0efa266cb0834b4ec5216b6df11f986c2
MD5 hash:
45038eb8d7535dce15fbfc0348a3390b
SHA1 hash:
c94ce3e7907b605549292bf7ef8b15b45d0d557c
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/1f5d733a-dd2f-4106-accf-1534d56db74f/
Parent samples :
490c785be9863eb038433c2a125ec62809a8bbb25f4ddba21f72772e034f577f
3bbe017e1181b0f868f8c2e0551afc1d3ee5931f30a4de738a6abed225cdaa49
55f616984afd8acdcce26ce35160fbd9b62a7edb2fbecfa5f1ccf604aed39b2a
f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe
241f313e0f5481d6210f37389f35bc4197d50305c8d987bb3d930d6bef994e08
SH256 hash:
5c8d85c89f24615bd39b8963e8959c28ea3d8116030fee4bbac937156c175be8
MD5 hash:
b6803a8f4a04b2ceea10d6ef0cd3cf4a
SHA1 hash:
f8843a82701bc38c039e1394a6fcd1c8049e086d
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/1f5d733a-dd2f-4106-accf-1534d56db74f/
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/1f5d733a-dd2f-4106-accf-1534d56db74f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f9b8b5cee053/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/f9b8b5cee05330fb97d13b87fa28593a7ff7be34fcbf09603286aa4effd0dfbe

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: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
Create hunting rule
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
Create hunting rule
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: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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