MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbf188545f2a36933ed48098fcb1a96d3f8ba33d02136a78ad1d591a23d3c7d2. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cbf188545f2a36933ed48098fcb1a96d3f8ba33d02136a78ad1d591a23d3c7d2
SHA3-384 hash: abf763666434bc1da70a1df4cd830ab0aba813cf5e519a255fa6115a39820f71e88893c7df5747fa5817e81e0a01b3eb
SHA1 hash: d183a1ad0df58747a0b495e9d2cc54998158e727
MD5 hash: 96ad0070005d6b87d9570c91333fe644
humanhash: early-lithium-cold-black
File name:New PO.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:452'608 bytes
First seen:2020-05-06 10:03:00 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 12288:4jBWr1YzwbDnNrEuO9TWP20+z1Ih5boRX5QRJX:wBaYQDNrEuO9ylw1IDboRpQRJX
Threatray 10'677 similar samples on MalwareBazaar
TLSH BAA42252B6296012C65D1A78F0AB5F6A0EF1EE025917DB9B6DE8D06F1D067C03D032BF
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp72.iad3a.emailsrvr.com
Sending IP: 173.203.187.72
From: Dan Swiggum <dan.s@atsdigs.com>
Subject: New P.O #: FHPI-45577/03/03
Attachment: New PO.xxdoc.zip (contains "New PO.scr")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.44685.10314.7167.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-06 01:51:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zpyyqvc7fi3jgpwuqcmpzmnjnu7yxiz5aijwu6fndvmrui6ty7ja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ca0857232f00a68a3fd2850bb7a219303465b595cdf25838d0de61084859df93
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dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
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ea2b4579502edcbf620e89086f0d701f1533ca67f5dcaec50a57fb4e8b8e46f5
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efcfb4bd93265f9f61844a67594aa17f3e2c8fdc1bbe995c5aa35b10a754f521
AgentTesla
+ 10'667 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-zr54y928pa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
ServiceHost packer
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 1538b2bb98e07e0edfe4db0c7e161727a54c0c1c8da86da57c2bf976efd24878

AgentTesla

Executable exe cbf188545f2a36933ed48098fcb1a96d3f8ba33d02136a78ad1d591a23d3c7d2

(this sample)

  
Dropped by
MD5 1f60a30e0b5fb3d157a44fec6b3536f2
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1538b2bb98e07e0edfe4db0c7e161727a54c0c1c8da86da57c2bf976efd24878

Comments