MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88ac38fd4d4a5bff6e2f09c5071b6b8d654e2d65da6662c02d14fabb32047ca7. 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: 88ac38fd4d4a5bff6e2f09c5071b6b8d654e2d65da6662c02d14fabb32047ca7
SHA3-384 hash: ee71a3d16790555c757c3c60215462cf883b7e3357e1c364765ed9257fbe671efbb35cf34ecd47c594a8024568f6f544
SHA1 hash: 3a5235d9f3d7c048d569d2bfea64954c71be95a8
MD5 hash: 005f4b79b9e9fdb2690c8e2db96daa7d
humanhash: fanta-lemon-louisiana-muppet
File name:INVOICE999990.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:563'200 bytes
First seen:2020-07-09 11:58:28 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 12288:0/MOE9s6Fm4iWmXq5+0lZ7LThCnUacTaulCSRO6:ggvTmXy+EZ7LInULTESR
Threatray 10'700 similar samples on MalwareBazaar
TLSH 41C412F9B3AC4F26E97007FA197965804FF4740B04A6E6AE4DC130CA3965F809A54F7B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.strusasu.com
Sending IP: 45.95.169.147
From: admin@sportsboules.org.sg
Subject: PROFORMA INVOICE
Attachment: INVOICE999901.ISO (contains "INVOICE999990.exe")

AgentTesla FTP exfil server:
asnbanknl.com:21

AgentTesla FTP exfil user name:
smartpips

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/23728/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.34143469.31331.13663.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/88ac38fd4d4a5bff6e2f09c5071b6b8d654e2d65da6662c02d14fabb32047ca7/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-09 05:30:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rcwdr7knjjn763rpbhcqog3lrvsu4llf3jtgfqbnct5lwmqepstq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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c13a9fe750e9c765f6e9b8d5ac7de574ee533743261bd070c32054cd197bdf41
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AgentTesla
+ 10'690 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200709-38btm5yg86/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
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

iso a536d9bbaf7ea3e88dd0878f96f9c6b11322655af0820bbf1097d76474a09c06

AgentTesla

Executable exe 88ac38fd4d4a5bff6e2f09c5071b6b8d654e2d65da6662c02d14fabb32047ca7

(this sample)

  
Dropped by
MD5 261ceecf895766ecf425c0f6e8242dc7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23728/
  
Dropped by
SHA256 a536d9bbaf7ea3e88dd0878f96f9c6b11322655af0820bbf1097d76474a09c06

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