MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 172f73b3500990962bfa7c18c0c6e7cd90346b757321b50adae3f7ce803efbe5. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 172f73b3500990962bfa7c18c0c6e7cd90346b757321b50adae3f7ce803efbe5
SHA3-384 hash: 17319ad0b8da9d00171be7b7f808ed3477950977bf83b2e783bf0138055d982bc9f52690a34c3c7a43ea60086e244128
SHA1 hash: 157c46446ca98f68133566167b35268028cdc67e
MD5 hash: c52a6413be880fd815cd76f4c59f1e46
humanhash: oregon-network-grey-nuts
File name:overdue account letter.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'047'552 bytes
First seen:2020-07-08 08:52:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:JgUTU+xBTrWApCE+LnsGAuodj/OChlGOo+wwslhtW4slhtWGi:XTU+L/sEunqFlU+0htW1htW3
Threatray 10'641 similar samples on MalwareBazaar
TLSH FC25D03B2A66BF4FCA3A1EF0916B01108EFA18937355D3ECADC250F649D5B844F52762
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/23010/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/172f73b3500990962bfa7c18c0c6e7cd90346b757321b50adae3f7ce803efbe5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-08 08:54:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c4xxhm2qbgijmk72pqmmbrxhzwidi23vomq3kcw24p345ab67psq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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4625689b86b6899465896135d652868b259732b5a82b0645959384c66a35428a
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4f28a365c4ec5dac4cb9d752b512f4616b932076838d5370297d28234c1bd69e
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50937a47b36ea1eab82997b699b4472184aaf53941695b0bdc6d2fb3f78ca0bf
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6a812ee04fdb54b0576e2e51bb705d2a7f2d14f86601f718385087310a3df257
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9edf6d5c0fb37d58053e7b45411d16cc1c63d806d139139e06bc8a2dab4626d8
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d7143a0fe03e7294be0319e92f0a78bcbe8a0e97a4a2437e5227304e0fe37d29
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dfa098b2094107457d9bbe4511620001c72842c5c0240a3ab58989d5ebb49c97
AgentTesla
+ 10'631 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200708-b3tkztd3te/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies registry key
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
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

rar 2fbd6a499b77e353960648e0faf5a6718560432dc0c2cf80398fb849ad88c995

AgentTesla

Executable exe 172f73b3500990962bfa7c18c0c6e7cd90346b757321b50adae3f7ce803efbe5

(this sample)

  
Dropped by
MD5 e51ce0309164e700bd815a28725b4a71
  
Dropped by
SHA256 2fbd6a499b77e353960648e0faf5a6718560432dc0c2cf80398fb849ad88c995
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23010/

Comments