MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51031d05083e587fa113208a5de4c7f7c0bd4f6ee385bdfee92c63786f7d7e88. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51031d05083e587fa113208a5de4c7f7c0bd4f6ee385bdfee92c63786f7d7e88
SHA3-384 hash: 336b6028679ca5f53cb7cefedd2c19134c3f07f215b631dc908e724ac012d4903d7d2ca866c2afc2e9f461ec87175e82
SHA1 hash: 575a0bd92de0286999ad125f4e32acfe0e19a834
MD5 hash: c86e1314d84055040470216e546648df
humanhash: hawaii-monkey-lima-edward
File name:Remittance copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:747'008 bytes
First seen:2020-07-21 18:33:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:kjd5XLJwweSi8tLZdjaxszyhzqQauNZXHCMbWO8hisZqR2J:CXLJwVSi85Zo+zeVauNhCMbWO4tZqq
Threatray 10'866 similar samples on MalwareBazaar
TLSH FCF49E00FBF485CAC3AA1F7AD87141009575F95BABE6E78B2B84F2AD18573588743F12
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: newstergroup.com
Sending IP: 103.99.1.149
From: "Finance" <merdogan@newstergroup.com>
Subject: Bank Transfer
Attachment: Remittance copy.zip (contains "Remittance copy.exe")

AgentTesla SMTP exfil server:
mail.jascf.org:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30346/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.EOQO.28681.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/393657
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51031d05083e587fa113208a5de4c7f7c0bd4f6ee385bdfee92c63786f7d7e88/
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 18:35:09 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kebr2biihzmh7iitecff3zgh67al2t3o4oc337xjfrrxq335p2ea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'856 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200721-98exjk12z6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
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

zip c4bc735e483c455cfa6925262c67671e7fa9720c0166aa26881ed4697ed0218b

AgentTesla

Executable exe 51031d05083e587fa113208a5de4c7f7c0bd4f6ee385bdfee92c63786f7d7e88

(this sample)

  
Dropped by
MD5 d30ea30b2725d62ef5aeca2a55c767e8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c4bc735e483c455cfa6925262c67671e7fa9720c0166aa26881ed4697ed0218b
Cape
Cape
https://www.capesandbox.com/analysis/30346/

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