MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b15efdbb922fa713797dee4ac900d77b86b9d749ba83feb866de0de009af24c5. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b15efdbb922fa713797dee4ac900d77b86b9d749ba83feb866de0de009af24c5
SHA3-384 hash: 401a5be917400db2bdb19a1d96d14a34349853968b91d690ead21d973316848cdf3cd14f3f6f4d8b27abaefed5b21cbd
SHA1 hash: 4aa0b023cbc8eeca5b76638384302be2a597dcda
MD5 hash: e2e303b0a3815b92f77a8c238094fefd
humanhash: nuts-sierra-thirteen-batman
File name:United Nations Welfare & World Bank Support App For Windows 7 8 & 10.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:451'072 bytes
First seen:2020-06-29 06:16:13 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 12288:YgxDwHJXE4NieISGIg7EIgLYwH8p443dw1:YgxDwHFE4NiePIE8p443dw
Threatray 10'725 similar samples on MalwareBazaar
TLSH 95A4F00077BD5F6AE63E03F856AA41215BF27969A911E35D4DD230EF28B6F41CA40F23
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: biz-1st.info
Sending IP: 106.75.76.137
From: Nicole Frost <sales@biz-1st.info>
Reply-To: ivanggeorgi@yandex.ru
Subject: Nicole Frost
Attachment: United Nations Welfare World Bank Support App For Windows 7 8 10.zip (contains "United Nations Welfare & World Bank Support App For Windows 7 8 & 10.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/15360/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.ENGK.190.UNOFFICIAL
Create hunting rule

Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b15efdbb922fa713797dee4ac900d77b86b9d749ba83feb866de0de009af24c5/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-29 03:42:42 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfpp3o4sf6trg6l55zfmsagxpodltv2jxkb75odg3yg6acnpetcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8f901388287c1af2dd8b842b84148350d8ea853c72b6f5d4fe3d8de7d87d8484
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aa9df4f8056100406310008515c2504dfe2a1aeea23991ad9b3737aa711c7589
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dffe7fe7b287e18288291cd5060a9f8a87c92e91bbed5a41a28f7c3914db73d4
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e4776f228c9e7ea3f67c614257cc08b679660feec06a1eaf6f0c9531ad8a5378
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ff33e7e3a8e17b8d26c616b15ed294692d82321f4ccdc2d547abf60ebc413bd3
AgentTesla
+ 10'715 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla evasion
Link:
https://tria.ge/reports/200629-7hbaf6cmss/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetThreadContext
Modifies system certificate store
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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 c2f4b9e6250bd2e05dddb2121097e89c59eb1875b11e0079961c56dd6f2dee46

AgentTesla

Executable exe b15efdbb922fa713797dee4ac900d77b86b9d749ba83feb866de0de009af24c5

(this sample)

  
Dropped by
MD5 727933e6f0b56c798367d3da97dcec41
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/15360/
  
Dropped by
SHA256 c2f4b9e6250bd2e05dddb2121097e89c59eb1875b11e0079961c56dd6f2dee46

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