MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38a112ac5ecf5d11e3e4f70fe462ec424bd0aa8c67495ac6744b0bbb8082f5ba. 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: 38a112ac5ecf5d11e3e4f70fe462ec424bd0aa8c67495ac6744b0bbb8082f5ba
SHA3-384 hash: 28402d26b85561b297cd3249846b4be9761e18552eb0cabad136251fb6e3b069b4c264f235ca3c5092b0ac8b0a330b09
SHA1 hash: cf4ff0fad7cfefdec0d3a46ade72ebf3565ba677
MD5 hash: 774ce64540a4a68205bb30634225bef4
humanhash: wyoming-sweet-avocado-seven
File name:Documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:555'520 bytes
First seen:2020-06-02 11:44:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:5l4kL/6dRpD/yYsE0IDcRQHy01SFvKfFBr7dUbOZAl1B3R0v6iv3p:x/6dRpD/ypjOhHyLvKrz
Threatray 10'609 similar samples on MalwareBazaar
TLSH B6C4AE9D712172DFC857D472DEA92C68EA5178BB431F4213902725EEAE4D98BCF240F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: medtekindia.net
Sending IP: 45.90.222.93
From: Silva David <anuradhad@medtekindia.net>
Subject: Please let us know what you think about the new corrected documents
Attachment: Documents.rar (contains "Documents.exe")

AgentTesla SMTP exfil server:
smtp.1and1.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 13:55:00 UTC
AV detection:
16 of 31 (51.61%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hcqrflc6z5ordy7e64h6iyxmijf5bkumm5evvrtujmf3xaec6w5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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0e928609807c597f7046341f0a335738ae8efa905be3c51de1f47d3c5ffb1996
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39c515aecf42295136801c4a1a847d80bc8269ad5cf20c512af98a020cd7a699
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95f2db0071adb3c99b50c41ecdecbe4c6c18e9318bea7d8cd6743aff619a9f8f
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a1077b012372849e6b3db7818210e573678d9c2154c5431a7a48abb2868a839f
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b5633218ddae3b49aec89824e1032e4826fb8504d39b64b3dbe1b2ff59d38f56
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dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
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f2d446378bebc1c5cb4fdd8941445bc9de335315ea90115c1db4a141155decb4
AgentTesla
+ 10'599 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-h8wc9j4z4j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
rezer0
AgentTesla
CoreEntity .NET Packer
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 ec6241aa9bc5fd1596befd06fe76754d81b689cf2fe0d532c33a28629b9b349b

AgentTesla

Executable exe 38a112ac5ecf5d11e3e4f70fe462ec424bd0aa8c67495ac6744b0bbb8082f5ba

(this sample)

  
Dropped by
MD5 82b5091731cdeec5944c5a0a9e8cbc65
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ec6241aa9bc5fd1596befd06fe76754d81b689cf2fe0d532c33a28629b9b349b

Comments