MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb. 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: 16


Intelligence 16 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb
SHA3-384 hash: b98754eb08aad2298f38aef0fa5be9dabd0d0b831aa8756adcb5ae9548e8f9dbd59a0447238c66ac4ba435adf43d67a0
SHA1 hash: ed1f8a4fe5a416fdda2ef0401e11fdfb56052754
MD5 hash: 019a117bed90ea36688d335fc0753880
humanhash: hawaii-uranus-cardinal-golf
File name:Purchase Order for PCO1881 - PO-24241000210.Pdf.exe
Download: download sample
Signature DarkCloud
Create hunting rule
File size:1'094'152 bytes
First seen:2024-06-03 06:32:10 UTC
Last seen:2024-06-03 07:29:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:YMYeaPzN5i7lElsA0EZzyGNZV+3bZyn/l/TA4GoUwR:YMYeIN5i2GA0Cu+gUFTA4iwR
Threatray 160 similar samples on MalwareBazaar
TLSH T1D035E100B3E87E5BD67F85B98138900987F57986709FD2CC5CD064DE8EEAB410B6366B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon cca6032939292d92 (16 x AgentTesla, 8 x Formbook, 2 x Loki)
Reporter abuse_ch
Tags:DarkCloud exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
332
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb.exe
Verdict:
Malicious activity
Analysis date:
2024-06-03 06:32:55 UTC
Tags:
darkcloud
Link:
https://app.any.run/tasks/d757ab47-c326-45b9-b02a-7960d8dd4572

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.12325.2960.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665d72921b40957fc1932f20win7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Static Darkcloudsteal Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed vbnet
Link:
https://www.filescan.io/uploads/665d63a4eae3878d8f376cf0/reports/dc3d18d7-74bd-4dab-b36e-509d0740d7af/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb
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.
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b1143701-0cd3-4d1c-90ac-ee4b6f8e3644
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1450811
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes or reads registry keys via WMI
Yara detected AntiVM3
Yara detected DarkCloud
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1450811 Sample: Purchase Order for PCO1881 ... Startdate: 03/06/2024 Architecture: WINDOWS Score: 100 57 api.telegram.org 2->57 59 showip.net 2->59 65 Malicious sample detected (through community Yara rule) 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 Multi AV Scanner detection for submitted file 2->69 73 14 other signatures 2->73 8 Purchase Order for PCO1881 - PO-24241000210.Pdf.exe 7 2->8         started        12 ZWsJsUy.exe 2->12         started        14 boondoggles.exe 2->14         started        16 boondoggles.exe 2->16         started        signatures3 71 Uses the Telegram API (likely for C&C communication) 57->71 process4 file5 53 C:\Users\user\AppData\Roaming\ZWsJsUy.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\Temp\tmp565.tmp, XML 8->55 dropped 81 Adds a directory exclusion to Windows Defender 8->81 18 Purchase Order for PCO1881 - PO-24241000210.Pdf.exe 2 65 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        35 2 other processes 8->35 83 Multi AV Scanner detection for dropped file 12->83 85 Machine Learning detection for dropped file 12->85 87 Writes or reads registry keys via WMI 12->87 27 ZWsJsUy.exe 12->27         started        29 schtasks.exe 12->29         started        89 Injects a PE file into a foreign processes 14->89 37 2 other processes 14->37 31 boondoggles.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 61 api.telegram.org 149.154.167.220, 443, 49709, 49716 TELEGRAMRU United Kingdom 18->61 63 showip.net 162.55.60.2, 49707, 49708, 49720 ACPCA United States 18->63 51 C:\Users\user\AppData\...\boondoggles.exe, PE32 18->51 dropped 75 Tries to steal Crypto Currency Wallets 18->75 77 Loading BitLocker PowerShell Module 23->77 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        79 Tries to harvest and steal browser information (history, passwords, etc) 31->79 45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        file9 signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb/
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2024-06-03 02:01:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtzj7df37iwwet6tpagbqxne4gqtqvgv6bmtdifaicmmqarbbxfq._file
Verdict:
malicious
Similar samples:
0220e969f9fd1e5cadd143f94dc7fdfe26971096227ff4005a8bf96bb316c4c2
DarkCloud
4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59
DarkCloud
b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb
DarkCloud
f2e1790a36ac95e802bdac123aede4a277b2a7da39ea9b6e399f9545dac51a50
DarkCloud
+ 150 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud execution stealer
Link:
https://tria.ge/reports/240603-ha7jsaeg71/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
DarkCloud
Malware Config
C2 Extraction:
https://api.telegram.org/bot6062190835:AAFarBYBv-mQ3aLxNEnTAnblGK2thSsO8vQ/sendMessage?chat_id=1891775258
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/040227a4-2d6c-474b-80ee-a9a349b28472
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/045f2ccf-5bc7-4f93-9232-2ca8831b100d/
SH256 hash:
96acc2af02e8c8fb7fbd1a69f30c763a218427d0bd8a7cf8d43814c31061b4e2
MD5 hash:
60eb3af3a26beda472e5f9f125c1b656
SHA1 hash:
f7fd8cde553bee534d7f9a87632b4626c083204d
Link:
https://www.unpac.me/results/045f2ccf-5bc7-4f93-9232-2ca8831b100d/
SH256 hash:
a3758f62589130c3d00b046bd23b2d4feda486ccd3698fd1f30979a07509db1e
MD5 hash:
36239f2e198c50f53cfa56165567acf7
SHA1 hash:
ccd8abaa42049598d16a9f84ebedbf039d58cc59
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Link:
https://www.unpac.me/results/045f2ccf-5bc7-4f93-9232-2ca8831b100d/
Parent samples :
290088af7827bb86a2296dfca27558807ce55ebb4ba995fa2c18a394d3e39f93
b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
Link:
https://www.unpac.me/results/045f2ccf-5bc7-4f93-9232-2ca8831b100d/
SH256 hash:
b3e4cc520c7275b9decf4149baef1e63fe34f56a9ca077975e2b2c9932c03095
MD5 hash:
598ec902f71016590c4d60383504dd17
SHA1 hash:
55e1c5202f65d07f783dbcf302c50739a61018d2
Link:
https://www.unpac.me/results/045f2ccf-5bc7-4f93-9232-2ca8831b100d/
SH256 hash:
b4f29f8cbbfa2d624fd3780c185da4e1a13854d5f05931a0a04098c802210dcb
MD5 hash:
019a117bed90ea36688d335fc0753880
SHA1 hash:
ed1f8a4fe5a416fdda2ef0401e11fdfb56052754
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/045f2ccf-5bc7-4f93-9232-2ca8831b100d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4f29f8cbbfa/report/overview.html
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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
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

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