MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db03cf79dd756e39c7036b3541c2b560b4b3a7f0ccd4b896de47ba743745726d. 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: 10


Intelligence 10 IOCs YARA 15 File information Comments

SHA256 hash: db03cf79dd756e39c7036b3541c2b560b4b3a7f0ccd4b896de47ba743745726d
SHA3-384 hash: 8a6f547dfd7a28d753e31fe72b003ed76ef162490303afe4f23e12083f3bbbed20843060eca3aadfee9f181db5f87c6b
SHA1 hash: 4fa0258c1b075f9388da61d38ce36fae7ea0fa9d
MD5 hash: 4f91b944ac4db35a562a5a2cce196423
humanhash: monkey-social-iowa-edward
File name:es.ps1
Download: download sample
Signature DarkCloud
File size:1'637'156 bytes
First seen:2025-02-14 10:58:48 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:ZNvLN/M4W7c8mVFHwAC2FjGZnwrWcEnWtsn7Rgb4fAi1Ir0ui:jD5rWCGZebBOgeAa
TLSH T15E75CF378537FCDF732C291880042D930D682B9356B65A6CED49563E39C9213EBAE5BC
Magika powershell
Reporter JAMESWT_WT
Tags:196-251-92-64 DarkCloud ps1

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
autorun autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit dropper exploit fingerprint keylogger obfuscated obfuscated packed powershell
Result
Verdict:
MALICIOUS
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected DarkCloud
Yara detected Generic Dropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1614987 Sample: es.ps1 Startdate: 14/02/2025 Architecture: WINDOWS Score: 100 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected DarkCloud 2->61 63 5 other signatures 2->63 10 powershell.exe 16 2->10         started        14 wscript.exe 1 2->14         started        16 notepad.exe 5 2->16         started        process3 file4 45 C:\Users\user\AppData\Local\Temp\x.exe, PE32 10->45 dropped 75 Binary is likely a compiled AutoIt script file 10->75 77 Found suspicious powershell code related to unpacking or dynamic code loading 10->77 79 Powershell drops PE file 10->79 18 x.exe 6 10->18         started        22 conhost.exe 10->22         started        81 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->81 24 Okeghem.exe 2 14->24         started        signatures5 process6 file7 43 C:\Users\user\AppData\Local\...\Okeghem.exe, PE32 18->43 dropped 65 Multi AV Scanner detection for dropped file 18->65 67 Binary is likely a compiled AutoIt script file 18->67 26 Okeghem.exe 3 18->26         started        69 Writes to foreign memory regions 24->69 71 Maps a DLL or memory area into another process 24->71 73 Sample uses process hollowing technique 24->73 30 svchost.exe 24->30         started        signatures8 process9 file10 47 C:\Users\user\AppData\Roaming\...\Okeghem.vbs, data 26->47 dropped 83 Multi AV Scanner detection for dropped file 26->83 85 Binary is likely a compiled AutoIt script file 26->85 87 Drops VBS files to the startup folder 26->87 89 2 other signatures 26->89 32 Okeghem.exe 2 26->32         started        35 svchost.exe 26->35         started        37 WerFault.exe 3 23 30->37         started        signatures11 process12 signatures13 49 Binary is likely a compiled AutoIt script file 32->49 51 Writes to foreign memory regions 32->51 53 Maps a DLL or memory area into another process 32->53 55 Sample uses process hollowing technique 32->55 39 svchost.exe 32->39         started        process14 process15 41 WerFault.exe 20 18 39->41         started       
Threat name:
Script-PowerShell.Trojan.Boxter
Status:
Malicious
First seen:
2025-02-10 11:24:57 UTC
File Type:
Text
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
darkcloudstealer unknown_loader_036
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_DarkCloud
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:ProtectSharewareV11eCompservCMS
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SUSP_PS1_FromBase64String_Content_Indicator_RID3714
Author:Florian Roth
Description:Detects suspicious base64 encoded PowerShell expressions
Reference:https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:Windows_Trojan_DarkCloud_9905abce
Author:Elastic Security

File information


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

Web download

DarkCloud

PowerShell (PS) ps1 db03cf79dd756e39c7036b3541c2b560b4b3a7f0ccd4b896de47ba743745726d

(this sample)

  
Delivery method
Distributed via web download

Comments