MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb051c58261741c69b1369f9685b34a9d43cc0e71d12fa9335593a2eb17a1b0b. 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: fb051c58261741c69b1369f9685b34a9d43cc0e71d12fa9335593a2eb17a1b0b
SHA3-384 hash: a15d66b9a6af81a1a25473b8ec2d3c3031cfa0bbc6becb96998a79452536e0ba73991d52eb74d7fa8f8f4f005fee61bc
SHA1 hash: 3c966a4f518da3c17b9ece3b410c49ddc5cafcf0
MD5 hash: 836fcd60c8191b6c368b16b11bed5845
humanhash: aspen-queen-oven-oklahoma
File name:[HEC_BPP5UAE] Inquiry - Desuperheater.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:669'696 bytes
First seen:2020-06-03 08:20:12 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:HRfefOp1P9VfBAwqFzCxni8Tm1iq8dutVCssBwEjcuSi0cqiOtD:Hx6R8wtVCsIwWN9qiOtD
Threatray 10'644 similar samples on MalwareBazaar
TLSH F5E4A0507748ED53F36988F5A031B644C3B69D622F66C5A8DCFFB5A992FEF912802103
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail0.452.celumltd.casa
Sending IP: 139.59.30.88
From: Hyungwoo Ku <hyungwookuu@hec.co.kr>
Reply-To: capt.joehall999@gmail.com
Subject: [HEC_BPP5/UAE] Inquiry - Desuperheater
Attachment: HEC_BPP5UAE Inquiry - Desuperheater.rar (contains "[HEC_BPP5UAE] Inquiry - Desuperheater.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 03:27:07 UTC
AV detection:
20 of 31 (64.52%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7mcrywbgc5a4ngytnh4wqwzuvhkdzqhhdujpvezvle5c5ml2dmfq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'634 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-z4d94b7j1e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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

rar 4e0b15fee7bd793f0883b03c21a45c6c744033ea10416ef2139f63c29336f6de

AgentTesla

Executable exe fb051c58261741c69b1369f9685b34a9d43cc0e71d12fa9335593a2eb17a1b0b

(this sample)

  
Dropped by
MD5 4f59c701cb7613a642d6643bd2217f80
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4e0b15fee7bd793f0883b03c21a45c6c744033ea10416ef2139f63c29336f6de

Comments