MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 290088af7827bb86a2296dfca27558807ce55ebb4ba995fa2c18a394d3e39f93. 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 15 File information Comments

SHA256 hash: 290088af7827bb86a2296dfca27558807ce55ebb4ba995fa2c18a394d3e39f93
SHA3-384 hash: d41a37bf8fba04d27bfe4b62a119a11d8e82211c4258f3f551d707a3356e98ce793392b10fe7991fde4af372e3ad8820
SHA1 hash: ce81040163d848904f5f13515d0d6a11b4695b14
MD5 hash: 39f3bcf948a54e4acc353f6fb9b27950
humanhash: juliet-beryllium-washington-enemy
File name:PO228-066.exe
Download: download sample
Signature DarkCloud
File size:836'096 bytes
First seen:2023-12-11 13:23:01 UTC
Last seen:2023-12-18 08:51:37 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 24576:49XDZlMgYBHep7szCMi/HlAuDx7KDhwqv:qTXblseMaAG7
TLSH T10205F1A923011E1AC7B2A730D77B97020E55F9BB84A2D303B3C56438615B6BF7FA0756
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:DarkCloud exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
234
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mallox packed
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.
Result
Threat name:
DarkCloud, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sample uses string decryption to hide its real strings
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)
Uses the Telegram API (likely for C&C communication)
Writes or reads registry keys via WMI
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1360077 Sample: PO228-066.exe Startdate: 12/12/2023 Architecture: WINDOWS Score: 100 25 api.telegram.org 2->25 27 showip.net 2->27 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Yara detected PureLog Stealer 2->41 45 5 other signatures 2->45 7 PO228-066.exe 1 2->7         started        10 boondoggles.exe 1 2->10         started        12 boondoggles.exe 2->12         started        signatures3 43 Uses the Telegram API (likely for C&C communication) 25->43 process4 signatures5 47 Found many strings related to Crypto-Wallets (likely being stolen) 7->47 49 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->49 51 Writes or reads registry keys via WMI 7->51 14 PO228-066.exe 2 54 7->14         started        53 Antivirus detection for dropped file 10->53 55 Machine Learning detection for dropped file 10->55 57 Injects a PE file into a foreign processes 10->57 19 boondoggles.exe 42 10->19         started        21 boondoggles.exe 12->21         started        process6 dnsIp7 29 api.telegram.org 149.154.167.220, 443, 49715, 49717 TELEGRAMRU United Kingdom 14->29 31 showip.net 162.55.60.2, 49714, 49720, 49728 ACPCA United States 14->31 23 C:\Users\user\AppData\...\boondoggles.exe, PE32 14->23 dropped 33 Found many strings related to Crypto-Wallets (likely being stolen) 14->33 35 Tries to harvest and steal browser information (history, passwords, etc) 21->35 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-11 15:34:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:darkcloud family:zgrat rat stealer
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
DarkCloud
Detect ZGRat V1
ZGRat
Malware Config
C2 Extraction:
https://api.telegram.org/bot6062190835:AAFarBYBv-mQ3aLxNEnTAnblGK2thSsO8vQ/sendMessage?chat_id=1891775258
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
SH256 hash:
a3758f62589130c3d00b046bd23b2d4feda486ccd3698fd1f30979a07509db1e
MD5 hash:
36239f2e198c50f53cfa56165567acf7
SHA1 hash:
ccd8abaa42049598d16a9f84ebedbf039d58cc59
Detections:
darkcloudstealer INDICATOR_SUSPICIOUS_EXE_TelegramChatBot MALWARE_Win_DarkCloud INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
SH256 hash:
54d977e5ff798da719421b5491bcb7961c0c4ccf34a429341e470e2ead6a05ec
MD5 hash:
ec5074a7f264fe88e15744174f0b6466
SHA1 hash:
a8e42a03f1131db918b0ec52fdb49dda6a5cefc3
SH256 hash:
6e8048b537fb40297744e171b8af736c8be21f2435e1d5322b7f1681c873f017
MD5 hash:
de414a729ec982f7f24d3f6867026446
SHA1 hash:
981554b9a9690cf5fa4e1b2717fb8f9044ff4aa6
SH256 hash:
bd129fc9b8276f9bbbf0972e31cd438d8370db0619080c964314dd672cd86d9e
MD5 hash:
24193403ff65d57fbc747a199cfd26bb
SHA1 hash:
37bb5cb4d0503fb0ee457caab7d84e20a9921983
SH256 hash:
290088af7827bb86a2296dfca27558807ce55ebb4ba995fa2c18a394d3e39f93
MD5 hash:
39f3bcf948a54e4acc353f6fb9b27950
SHA1 hash:
ce81040163d848904f5f13515d0d6a11b4695b14
Detections:
Typical_Malware_String_Transforms
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
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_DarkCloud
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
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:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
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.

Malspam

DarkCloud

Executable exe 290088af7827bb86a2296dfca27558807ce55ebb4ba995fa2c18a394d3e39f93

(this sample)

  
Delivery method
Distributed via e-mail attachment

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