MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 581b90c7085ad0b66ddd0d9a3b66942fb5610ff74ebe16bb7f849fdab7358937. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 581b90c7085ad0b66ddd0d9a3b66942fb5610ff74ebe16bb7f849fdab7358937
SHA3-384 hash: 0609496899b7112291671270faec2485149ee65e0f1dc1dcc5f58ec0035c9c3c03c49814cd4768c88bc6bb634fef88f6
SHA1 hash: 396036b0ba403f33f991298b29d0c1050bba762e
MD5 hash: b2f8534cb80aebaaa771e08ab80b3d2e
humanhash: cardinal-september-kilo-mango
File name:PO-11049.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:422'912 bytes
First seen:2020-05-25 05:00:50 UTC
Last seen:2020-05-25 05:47:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:JdxhQXYCyCYd68nqHFJs84iGuv7f5OsDhJ4RdQ:0XYBCYdJqHg84luvYEhO
Threatray 10'609 similar samples on MalwareBazaar
TLSH C89401C033A9A7BBD5BE07F55856604517B6701BBF22D34E4ECAB0DA50BAF900E25B07
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ArtemisB2F8534CB80A.24109.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-25 06:04:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
15e222044508e226a53f0313f78e3214b135cc40c2df348ccc8eb1dd4f0b674c
AgentTesla
1f73d9da5c3bba2c007c070c6f71834b3a9a5821a50cba1f908015c999222b09
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23d36a5f91a4d65b1c22377726d6e8765b36359abd59952511881bdfd20e4fd1
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3916223f31696e8194a7879db01acb532d1a22bf03f0bfa3f9e3f06aa4d7768f
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4622b97eeaf27e07c03285677fb753fdd25151f39bda663f149366d1b7b72094
AgentTesla
7603c2ff751e34b015003dd08365b045edd36ca2ce87c381582077ab968b7cd5
AgentTesla
8ded28bbf3f5a929eec79e7ac61c79d9bd487c432ee15ae9bc3551b7e1dc3570
AgentTesla
92891933f5cd5e261f775149ca28b09ac1470b28a5d42d533ab5ed1712c18229
AgentTesla
c986ab8fb7125210b901bf41a288cc4adb017de55b803b78b48c8061e8e94565
AgentTesla
fc44a6e861843ed0dca54174a5257b83c1e883eeecb13bd841f779c0aede0626
AgentTesla
+ 10'599 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/201109-mh658gas4j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

zip 3ae8498dea51f44c62aa5d33df5b0e1235545a8f751b820197ed3c5dd2fc4bf2

AgentTesla

Executable exe 581b90c7085ad0b66ddd0d9a3b66942fb5610ff74ebe16bb7f849fdab7358937

(this sample)

  
Dropped by
MD5 2b973af7749cf4320c66e773f29eca01
  
Dropped by
SHA256 3ae8498dea51f44c62aa5d33df5b0e1235545a8f751b820197ed3c5dd2fc4bf2
  
Delivery method
Distributed via e-mail attachment

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