MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81de89051883a8fb3af17a9d0d0218b9a46d1421c33470bfa5b461a07217b6a3. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81de89051883a8fb3af17a9d0d0218b9a46d1421c33470bfa5b461a07217b6a3
SHA3-384 hash: 865834ac76121cc1647ce0592f7206850a8bf19417538f3bbc4ebee54b9ed7baeb145f94879d2c253352d9806e1e4449
SHA1 hash: 9ac88ce84b895d88bd223ec6837cc4eb99d971ef
MD5 hash: dbafad9661abef59a74db872b707b30c
humanhash: bulldog-mango-shade-nuts
File name:CTM - MV Cerinthus.doc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:668'160 bytes
First seen:2020-06-03 04:18:40 UTC
Last seen:2020-06-03 05:53:29 UTC
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:DwaDE28i/yOoGfXe/tlq6LTLP30BuTAE9JrBIGxgr/91yWo7OJWGgQmGiOtO:4vLTLP30wTAEH4/91yh7OJWKmGiOtO
Threatray 10'636 similar samples on MalwareBazaar
TLSH 44E49F503749ED53F36AC8F5A031B740C7B69D122E66D5A8DCFFB5B992BEB942802103
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 05:17:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
20 of 30 (66.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhpisbiyqoupwoxrpkoq2aqyxgsg2fbbym2hbp5fwrq2a4qxw2rq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
218eadf397c142440e7c54221a6faf836e512446e8d39b850114565b0ca36331
AgentTesla
233d048b25dd9be7683b3c2cf2d7ebe79b92676d4d787c5cd2f59bd8eab1faf2
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31c185ceec1decd13b09c736f42313c1c1e7e2bed23f7bda2938bbae7e2550cd
AgentTesla
587201350f1607e78ccfc8809dd7c8646ddd44ec4db8933b998043b9fba5bf72
AgentTesla
6b287b9b3200533c490357e28b5e9c65856740c2a63c32dae9bd50b042557664
AgentTesla
8899134290b50ce4ef86c104df23cdfc74de917e1b158e13d0bb3175e7f1ef0a
AgentTesla
c133315365e9f0824d0783e78b9cb01d54aba4067c73cb148ea795819b49825c
AgentTesla
d2a97ab97d0977567f4b2ee6ba659725fc82e9d4fbdf293b5f2bed5152d40af5
AgentTesla
dcd4168c853c32e4b9cf2059fb4f7ddb3af86b5f78bb845993af93a522c4b189
AgentTesla
f6d0d87029e9fe0442daace762e6a0f50db7091ac9417b30e43ba63f9598d5b2
AgentTesla
+ 10'626 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/201109-6wx29aw5cx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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

rar 68c0838d47884ed94ed062e500608760184644f145e22f76137bdb1a4d377ba7

AgentTesla

Executable exe 81de89051883a8fb3af17a9d0d0218b9a46d1421c33470bfa5b461a07217b6a3

(this sample)

  
Dropped by
MD5 1de7eb1a20b51e2f5d4abd8b18e54eed
  
Dropped by
SHA256 68c0838d47884ed94ed062e500608760184644f145e22f76137bdb1a4d377ba7
  
Delivery method
Distributed via e-mail attachment

Comments