MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ac4a08fcc4a51a5146f78e1b97269096b1149aa099d2ba72bf6d95144d67bdd. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ac4a08fcc4a51a5146f78e1b97269096b1149aa099d2ba72bf6d95144d67bdd
SHA3-384 hash: 83ea9ab679426e95b79fc750380b8457b4c702c775953ee48673559f52a2c2f36d66a8e4c9dd8e476171f2eb358c9e26
SHA1 hash: 1616cfe055aeb1e09af1715dc8762eade4900cd8
MD5 hash: ea6af075b0ed2d2c0d3ebb72d69ab37a
humanhash: march-floor-maine-idaho
File name:W04-BOD01.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'236'480 bytes
First seen:2020-08-18 09:44:38 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 24576:y28iOconWKMhSHOPzkctp1AJuAk8eAMLwx9pJEIgIJHI0yuqt:y28xq/hkO7koBA/Gw
Threatray 28 similar samples on MalwareBazaar
TLSH 9245E0636348AE1FC1BE92F7F4B04806AB70C652A5CEF3A919CCA9B16DD33650DC7164
Reporter abuse_ch
Tags:AgentTesla exe MailChannels


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: relay.mailchannels.net
Sending IP: 54.245.125.39
From: admin@co.id.nxcles.xyz
Subject: RE: PO W04-BOD01
Attachment: W04-BOD01.l.uue (contains "W04-BOD01.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Agenttesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47652/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Sending a UDP request
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ac4a08fcc4a51a5146f78e1b97269096b1149aa099d2ba72bf6d95144d67bdd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 16:21:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dlckbd6mjji2kfdppdq3s4tjbfvrcsnkbgosxjzl63mvcrgwppoq._file
Verdict:
unknown
Similar samples:
1e3003997089d725802aea73f61a35f7a568c05b16251e2d93ea8a3f8973b1d3
AgentTesla
3640e0bfb26ad5e7cf64e2b1b927031f49b84c1dab0e4460b18de6e57904ff7e
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416f9746f079b7af4180264d06ce55b88b1547d9a9da8db352e06a13aa5cf4a1
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92f26df2b8881b2971127cc9bd67d17924b895e4124092d49fdc6ebe4d362620
AgentTesla
a7ef4ee04196bec21da515066ffd2c59a040e0004f0c69fb046347f574998db4
AgentTesla
b860c68b8a4ca548c005de132b6b2870a43baab32df04c32588d70da1ae47b6e
AgentTesla
b8d1d962744d0c6ab3abe293c4671b3ba6524f623f9d6f02361bc60eec7b4cb4
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e2d8bfec4161287caf4f118ec66daaceb71c6fdda1b4aa16f8810f8a66f59013
AgentTesla
f18bf944f9365beda201e63d97f1b93139994d9cef424f855d691cf797c33d0f
AgentTesla
f448b48505882a50dd6e5f08020280129dca9ef8c41fcdbd0f46655499ff49b4
AgentTesla
+ 18 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200818-akyb26l9fe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
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

zip ff6cd1970c39a9ac1e6ba8a9a3f8928096dd2cc4c1e2a9054537d8b5f0cd9d22

AgentTesla

Executable exe 1ac4a08fcc4a51a5146f78e1b97269096b1149aa099d2ba72bf6d95144d67bdd

(this sample)

  
Dropped by
MD5 5956284c32e65c8e0e5a3484fea11c50
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47652/
  
Dropped by
SHA256 ff6cd1970c39a9ac1e6ba8a9a3f8928096dd2cc4c1e2a9054537d8b5f0cd9d22

Comments