MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1bf97e9cf2aebff536fc81cc8dc12973fea63e051ad3059a30f487ac6fafb83. 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: a1bf97e9cf2aebff536fc81cc8dc12973fea63e051ad3059a30f487ac6fafb83
SHA3-384 hash: 293d73652dd142547558af3c1b07efc7016cb0863bec17195cd47c88b114d0825bbc5cb20a55c932b09971d57d311e8d
SHA1 hash: 830d5fccc996dd1cfe86895825b4847bd43db365
MD5 hash: d7ac808b7643cead39473b715abdca8a
humanhash: monkey-lima-seventeen-ten
File name:Payment Swift Copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'100'300 bytes
First seen:2020-06-24 06:53:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdtDGzyUaF8f3Zo+CdmmtzGotDMny1/:z5byzZjf3+EEzGQKyR
Threatray 9'318 similar samples on MalwareBazaar
TLSH 1E351242B6D684B2E53319360A3AE721A97D7D301F28CA2FB7D04D7DDA745909234BB3
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic310-15.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.135.125
From: Account Payable <oliver.george91@yahoo.com>
Reply-To: Account Payable <oliver.george91@yahoo.com>
Subject: Fw: Payment Swift copy
Attachment: Payment Swift Copy.lzh (contains "Payment Swift Copy.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/13510/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1bf97e9cf2aebff536fc81cc8dc12973fea63e051ad3059a30f487ac6fafb83/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-24 06:55:05 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ug7zp2opflv76u3pzaomrxass476uy7akgwtawndb5ehvrx27obq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01d06f60795cc63acabaa25c87909e436a7160a172e59c22f341ebad725998b2
AgentTesla
0dea8bae5ab19f84a596f05732d91b60a1fa93cae6dfbbc1166d127c3e2834a0
AgentTesla
0eb41e962d7be24fe14670c0bda3283dd6db00bbe813d1d93da23c125af8e4dc
AgentTesla
20c92a8fbd7ef9b25f61e93b0bb0c31f95040185aab9965141fbde99c47ea46d
AgentTesla
251c55b7c7c02eec9a87eca94bb01f653317ef5d8278aeb2b511194d7057a675
AgentTesla
38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea
AgentTesla
c67fe1304d6455bcae5c07b3f7fece584628b05d286b68da6e85275f7695b2aa
AgentTesla
cd8770808daf4f97a339438001f0ac7dab0853feb07134e6f7bb2fc3db9581c0
AgentTesla
d35f40a630b2e4b24ec76c354e1e66d927afe339aaba45ff3c750ed52193c910
AgentTesla
e7fa1cf008969a70a894b2947737b69c26abb63378d9d4305b698b223793029f
AgentTesla
+ 9'308 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/200624-y6m27a8ed2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Loads dropped DLL
Executes dropped EXE
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 b04a6feefcf6be041780d459c43ba5dc354ebf53e6a7bbb5a6c64f6f5413eae7

AgentTesla

Executable exe a1bf97e9cf2aebff536fc81cc8dc12973fea63e051ad3059a30f487ac6fafb83

(this sample)

  
Dropped by
MD5 b27a43d6c03c8552a2191ed3d5e11ca6
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/13510/
  
Dropped by
SHA256 b04a6feefcf6be041780d459c43ba5dc354ebf53e6a7bbb5a6c64f6f5413eae7

Comments