MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 641503b3792859f9a94be77a40c773dbd2697bbe668d33ff669120fab8c35d42. 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: 641503b3792859f9a94be77a40c773dbd2697bbe668d33ff669120fab8c35d42
SHA3-384 hash: 0d4b45694b2f924c864ca3992ad7fdbeff4490fc6e0860599565a49b350375258864b560a8b57814e812dbf878e8d990
SHA1 hash: cac24e6297e30a519a387039494404f8e42eb8b0
MD5 hash: 3abe8ef4739b07bb832a9bc58509347e
humanhash: december-friend-happy-floor
File name:PO NO CO4SD34D.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'760'256 bytes
First seen:2020-05-07 12:21:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 49152:zVg5tQ7a/z8JmSpm93b25FTiK4Nv+s/5:pg56M8D4M5Ncl+s
Threatray 10'951 similar samples on MalwareBazaar
TLSH AF85E12373ED8361C3725273BA26B701AEBF782506A1F56B2FD4093DE820162535E673
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

Sending IP: 103.50.212.77
From: irshad.khatri@hginfra.com
Subject: PURCHASE ORDER NO CO4SD34D
Subject: PURCHASE ORDER NO CO4SD34D
Attachment: PO NO CO4SD34D.iso (contains "PO NO CO4SD34D.exe")

AgentTesla SMTP exfil server:
mail.kalmeplc.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27684.AidExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-07 04:17:33 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqkqhm3zfbm7tkkl455ebr3t3pjgs656m2gth73gseqpvogdlvba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0644b00b5884d167142693487ce70de79a73630bafceaa94f83e5e7051b63c2e
AgentTesla
1218e2c22539ce5761b41898a9ad562eeb54c27e4f786ea0374c25e2a28e7d03
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1fdeff12a76654fa755bc975b5727280884ee49ce3881411b1769bbdc75688cf
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47d82ba4710a3924c4c552d64568cc4e7384776ba1bbf1d84e2e9104a4e094a8
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4b5476d1b1fb4ba019b8e7620f3a2194000d56db26196f5a94014a78f3cac669
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6dc407eb41b8a813558364ae42dcdcce2019209615cc73141b9b6b91de15fd29
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858563cd6770ee15edc93e327c0a0b26bccaed57451779cacf084c379c36dd34
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9096390efef4b3849e90bfa158d8dd4a8b2ee858bcc2b8daae0d7dd0b1105963
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ddd78da962ab1cd6366af9c647daaa7f234e8125c62b10cab1eeb715f4c0e514
AgentTesla
+ 10'941 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-hln42n3qpx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
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
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

iso c7ef711837853e0c8b3c3071620de2017efd8a4270be5de48c92d173960186cd

AgentTesla

Executable exe 641503b3792859f9a94be77a40c773dbd2697bbe668d33ff669120fab8c35d42

(this sample)

  
Dropped by
MD5 712081217c0e52d6714fb14b45b87c8c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c7ef711837853e0c8b3c3071620de2017efd8a4270be5de48c92d173960186cd

Comments