MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5. 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 5 File information Comments
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SHA256 hash: 71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5
SHA3-384 hash: 7af91971f099a1df42615429251728a12497af50b2b349e477982be9cae43682695d90a30cca20b4f51aaa3e79f40bfa
SHA1 hash: 6116d95d45565cc8a82b5cd49f505c8717d37852
MD5 hash: 936823354ce6b1d705e73fea6784b33e
humanhash: video-missouri-snake-mirror
File name:yMvZXcwN2OdoP6x.exe
Download: download sample
Signature DarkCloud
Create hunting rule
File size:997'888 bytes
First seen:2024-12-03 13:05:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:KtIIee8ckEH0Rdzw0PkzwS47CyxS9ptHzhgQnCBI:xBe8ckEHWG4oHzhgQnM
Threatray 122 similar samples on MalwareBazaar
TLSH T13A25019C3510B04FC517C5314E70FDB5BA986EAE960782139AD72EEFF92D866CE041E2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
File icon (PE):PE icon
dhash icon e44ad8ccc8a4a0c0 (22 x Formbook, 4 x RemcosRAT, 3 x AgentTesla)
Reporter abuse_ch
Tags:DarkCloud exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
382
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b5217b92759a8c791310838d625974a77514cfd81545e4f566b8f668c3be08f9
Verdict:
Malicious activity
Analysis date:
2024-12-03 07:58:04 UTC
Tags:
arch-exec upx darkcloud
Link:
https://app.any.run/tasks/93454c1b-a767-494f-ae00-77d5b42c15b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Ratx-10038422-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674f032d12e85e185e754c5c
Tags:
virus gates msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/674f0246af970b1e41822a34/reports/d3dacaf3-61b5-4672-9bfd-552f6f07fc36/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e6b4484-0426-4df3-abf6-fbc0591fc9b9
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1567400
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found malware configuration
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
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
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
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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: 1567400 Sample: yMvZXcwN2OdoP6x.exe Startdate: 03/12/2024 Architecture: WINDOWS Score: 100 46 api.telegram.org 2->46 48 showip.net 2->48 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 62 9 other signatures 2->62 8 yMvZXcwN2OdoP6x.exe 7 2->8         started        12 LjlEiSlJe.exe 2->12         started        signatures3 60 Uses the Telegram API (likely for C&C communication) 46->60 process4 file5 38 C:\Users\user\AppData\Roaming\LjlEiSlJe.exe, PE32 8->38 dropped 40 C:\Users\...\LjlEiSlJe.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpFFDD.tmp, XML 8->42 dropped 44 C:\Users\user\...\yMvZXcwN2OdoP6x.exe.log, ASCII 8->44 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 66 Adds a directory exclusion to Windows Defender 8->66 68 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 8->68 70 Injects a PE file into a foreign processes 8->70 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 yMvZXcwN2OdoP6x.exe 1 58 8->19         started        22 schtasks.exe 1 8->22         started        72 Multi AV Scanner detection for dropped file 12->72 74 Machine Learning detection for dropped file 12->74 76 Writes or reads registry keys via WMI 12->76 24 LjlEiSlJe.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 78 Loading BitLocker PowerShell Module 14->78 28 conhost.exe 14->28         started        30 conhost.exe 17->30         started        50 api.telegram.org 149.154.167.220, 443, 49732, 49733 TELEGRAMRU United Kingdom 19->50 52 showip.net 162.55.60.2, 49709, 49711, 80 ACPCA United States 19->52 32 conhost.exe 22->32         started        80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 34 WmiPrvSE.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5/
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-12-03 06:53:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 37 (56.76%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ogrnht4qh6jbzrs7xto6iryh2iutt2gb2uqkhjgybydjqw6n66sq._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
51f793789b534af84e377bfa1d9686038108885b89f05e3966e34ec31027f4e4
DarkCloud
71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5
DarkCloud
c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8
DarkCloud
c8135636799971efa2fe543c693f96ab2238d38b140d1da6a07727231161a765
DarkCloud
e14c8cd3613b5d94cd5ca407fd329b61954add690c779edbd41b362d035f7879
DarkCloud
error
DarkCloud
+ 112 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery execution stealer
Link:
https://tria.ge/reports/241203-qb3afssjhp/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7725030292:AAFHYtQUWDdOhIko2DIqyexjh4XvUaOA1Fs/sendMessage?chat_id=6732456666
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3bba7e39-b629-43a2-aa77-a4570780fd37
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/036fab11-8d2d-4178-b6e7-146c5f015f22/
SH256 hash:
e1b68f62c317f73c307781fbfbabdd134052b873a44c28cd729d8071ff06efa6
MD5 hash:
82c7dcba8bec3e70f61144edda930b3f
SHA1 hash:
65797ce19b95fccc086f3319127c3fd6042c785c
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/036fab11-8d2d-4178-b6e7-146c5f015f22/
Parent samples :
b57dfd0e1e8888ec1f8e23e8d8f32409b06367247cef043394a19c7e4f0787fb
71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5
9eb48972a13c1c27cfd7f23e517321655648e5796bd26850d255d4a12b91fff9
SH256 hash:
acf09c80699691d3a6a8d52577d06a7054c1bda1953a55527251e92e15ba037f
MD5 hash:
69473b5123488cff4aae599aa14eb3a4
SHA1 hash:
1d3562fd2fb55582cb97441b9f01065dd80373fc
Link:
https://www.unpac.me/results/036fab11-8d2d-4178-b6e7-146c5f015f22/
SH256 hash:
61a6e83ca38d6e24193be1fc83a988381a7b80025529f1f833e5d6b5af9b2a46
MD5 hash:
c30df429c8f255978ebcc049b9d9363f
SHA1 hash:
0db046bf534b9ed76298a1a501836b55599cbce9
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/036fab11-8d2d-4178-b6e7-146c5f015f22/
SH256 hash:
71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5
MD5 hash:
936823354ce6b1d705e73fea6784b33e
SHA1 hash:
6116d95d45565cc8a82b5cd49f505c8717d37852
Link:
https://www.unpac.me/results/036fab11-8d2d-4178-b6e7-146c5f015f22/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71a2d3cf903f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/71a2d3cf903f921cc65fbcdde44707d22939e8c1d520a3a4d80e06985bcdf7a5

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

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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