MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b3a8630800280cdf3e61243a7343e93a6b54b8a51b859d7d52b7dccaace0513. 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


AgentTesla


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b3a8630800280cdf3e61243a7343e93a6b54b8a51b859d7d52b7dccaace0513
SHA3-384 hash: a0107c4d9b1c578ff6a34998796dc8aac8bffb4d03987fa8b87b6e81673be19bd09f8af3844639f1bc518f96be37ba89
SHA1 hash: dcc36d9ab4e04868401b2a5feb04b93f4ab4444a
MD5 hash: 54bb3a4921e9638cbefcaec3d1188567
humanhash: six-lion-quebec-eleven
File name:HL-88352580 DOCAU BC ORIGINAL.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:759'296 bytes
First seen:2021-05-05 05:35:46 UTC
Last seen:2021-05-05 05:48:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:rPSWlpgbOMr6MTwG2kvw4Wf7d72Opu7sk0zes9IAflO1jnHFdC0hsIXNY8FOHigf:PzvlXxVpAsD9IyO1jnHFdJl5FOi/v7
Threatray 4'468 similar samples on MalwareBazaar
TLSH 6BF423043688986DC37AC7726471912423BDE60FA407DB097A67A53C64FB223DF58BB7
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/149897/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/711437
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 404646 Sample: HL-88352580 DOCAU BC ORIGINAL.exe Startdate: 05/05/2021 Architecture: WINDOWS Score: 100 28 mail.prinutrition.com 2->28 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 6 other signatures 2->46 7 HL-88352580 DOCAU BC ORIGINAL.exe 3 2->7         started        10 zUbDt.exe 3 2->10         started        13 zUbDt.exe 2 2->13         started        signatures3 process4 file5 26 C:\...\HL-88352580 DOCAU BC ORIGINAL.exe.log, ASCII 7->26 dropped 15 HL-88352580 DOCAU BC ORIGINAL.exe 2 9 7->15         started        48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->50 52 Injects a PE file into a foreign processes 10->52 20 zUbDt.exe 2 10->20         started        signatures6 process7 dnsIp8 30 mail.prinutrition.com 192.254.180.165, 49694, 49695, 49696 UNIFIEDLAYER-AS-1US United States 15->30 22 C:\Users\user\AppData\Roaming\...\zUbDt.exe, PE32 15->22 dropped 24 C:\Users\user\...\zUbDt.exe:Zone.Identifier, ASCII 15->24 dropped 32 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->32 34 Tries to steal Mail credentials (via file access) 15->34 36 Tries to harvest and steal ftp login credentials 15->36 38 3 other signatures 15->38 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8b3a8630800280cdf3e61243a7343e93a6b54b8a51b859d7d52b7dccaace0513/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-05 02:14:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
3 of 47 (6.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rm5immeaakam347gcjb2onb6sotlks4kkg4ftv6vfn64zkwoaujq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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74b724569a5927bac6986864470763a88854802f63eb19571569da6276d542d2
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766275310a4cda56d3ac5765fba22cddae40c0e27da6bbe71db6c5ce160632f9
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80e3d3585a4c54b56fc56c4c565f85b376363da6f07b4e186e92608846a414d4
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b852dbb19b335378582a2ec131f5a362c51a4d8c63bd832cd9afd4c064d449fa
AgentTesla
+ 4'458 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210505-av6te34cye/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/967464a8-be81-45c5-af37-43608ac17684/
SH256 hash:
8b3a8630800280cdf3e61243a7343e93a6b54b8a51b859d7d52b7dccaace0513
MD5 hash:
54bb3a4921e9638cbefcaec3d1188567
SHA1 hash:
dcc36d9ab4e04868401b2a5feb04b93f4ab4444a
Link:
https://www.unpac.me/results/967464a8-be81-45c5-af37-43608ac17684/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8b3a8630800280cdf3e61243a7343e93a6b54b8a51b859d7d52b7dccaace0513

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:pe_imphash
Create hunting rule

File information

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

Malspam

AgentTesla

zip 94f0a89c535061581f27fbfd9707986e8434cb15d16dc3662edddf0569f6ea0e

AgentTesla

Executable exe 8b3a8630800280cdf3e61243a7343e93a6b54b8a51b859d7d52b7dccaace0513

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 94f0a89c535061581f27fbfd9707986e8434cb15d16dc3662edddf0569f6ea0e
Cape
Cape
https://www.capesandbox.com/analysis/149897/

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