MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de638d68163fe7f49b3371adbe9456b2c2ed2ef5182324e768dc42793591c7de. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de638d68163fe7f49b3371adbe9456b2c2ed2ef5182324e768dc42793591c7de
SHA3-384 hash: 3fac3e1c8447a3c99e5d6c4324470f5da159ee5a5cc0e6afe517a81059563fd4f78dd0cfab6c7a44b664e7afb161b772
SHA1 hash: 6574355e2c48b72c2ab2e4476e4168602f4c2b65
MD5 hash: 8b721799c0f207360c4077fe7a3a1c24
humanhash: illinois-robert-aspen-delta
File name:WT0045679.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:438'272 bytes
First seen:2020-07-10 07:05:48 UTC
Last seen:2020-07-10 13:35:50 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:BQJs3o4T07ZtM+NY7c6/ZZKpRRg14BDY:Po4TWuiYHBt
Threatray 10'611 similar samples on MalwareBazaar
TLSH 2094F1987AA877AEC0ABCBF18A746C24677030779797C2069C4314EF1A5DF828F14693
Reporter abuse_ch
Tags:AgentTesla Endurance exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 142-4-22-49.unifiedlayer.com
Sending IP: 142.4.22.49
From: Aleong, Rebecca <pgne.documentation@oiaglobal.com>
Subject: Incoming Payment advice-BG_EDG7602020062601480045_423_760
Attachment: WT0045679.rar (contains "WT0045679.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24245/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.ENZE.27915.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/de638d68163fe7f49b3371adbe9456b2c2ed2ef5182324e768dc42793591c7de/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 07:07:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3zry22awh7t7jgztogw35fcwwlbo2lxvdarsjz3i3rbhsnmry7pa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'601 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200710-43hjp1l1rx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
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 2c97ad1ebb10ce3473f9a9e8aa22ee881771225c9decbdcc011930b073ee2a9c

AgentTesla

Executable exe de638d68163fe7f49b3371adbe9456b2c2ed2ef5182324e768dc42793591c7de

(this sample)

  
Dropped by
MD5 b30c5376e596e59df10ea02e0c101ffa
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24245/
  
Dropped by
SHA256 2c97ad1ebb10ce3473f9a9e8aa22ee881771225c9decbdcc011930b073ee2a9c

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