MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89c3a9a4a75c80b3552df2a5bda935056bc3a55a6f76b264645593cb966e2b74. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89c3a9a4a75c80b3552df2a5bda935056bc3a55a6f76b264645593cb966e2b74
SHA3-384 hash: f64238fef8499fd752660615b33888d8cb74becf6b791e23bdb4a4fd1bf78a37621c93e58cbc6599460e4725406a0eb7
SHA1 hash: 458842cc448f63227b4e0d7fc234745e34caf3be
MD5 hash: a1cabea5a8be0790b7f6fb6461a65dc1
humanhash: mobile-asparagus-neptune-solar
File name:Scan0001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:419'328 bytes
First seen:2020-05-25 12:59:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:2oE4FNUew7Hn36FD796+BS+WJLEMXPMH4BcKR9wsl:WeeH36bVOJpfW4BcOWsl
Threatray 10'678 similar samples on MalwareBazaar
TLSH C49412BA93A8192FCBCE05F4D0455A0177F9A552A603F3CF0E89E1F999B73C196421E3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mstdlrgw.mst-dealer.com
Sending IP: 203.146.21.245
From: Salil Johory <dlr-a238@mst-dealer.com>
Subject: Re: Transfer Cconfirmation 100221903
Attachment: Scan0001.pdf.z (contains "Scan0001.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(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:
2020-05-25 13:36:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
18b880e3b13ed9f47ecbb88ffe91ad90f54e8f98fc2813d4d85ec11fe64f6811
AgentTesla
2176a0e2b600d06c89a8ebeeea19444df5a5ede09639af04f88d734b7fe01633
AgentTesla
24ba43e08e645a71b01db7cd77883fd1aa4c21e834f45c4f690768ed28c23552
AgentTesla
4850ce25c3caf99fc7f558ec6666d08c43d69ed4e1be9a8fd37f289db69561ab
AgentTesla
642ce48af8f6fb3c7a74225655ef59a92e7cd4fcb98dc4af02359fb3490a9c55
AgentTesla
6cacb53730640ce58bbb9c5bc6c6d39b5ea9c7a0d21eec9ce131f82c0e159361
AgentTesla
b3088a313a00c6774cb853379f427ffaab01a528a4561f814e2c7af24e5bfba2
AgentTesla
c4a2c8397cfa4f7f16a317aad541b6c48e35c4420249f702b2c6f01faf66ef61
AgentTesla
d807dcfd04f5d5eac71522a29a6911c504039edb6277ba9b35953ca9f5fcef8f
AgentTesla
e836f76c716c021e89d19ee4e4456e04b04b1041fe04fdaa6ac7523d35ef3b60
AgentTesla
+ 10'668 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/201109-15kdnazchn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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

z 4529c6af06212a6234d8f3454c6eaaca9867b168ba45d4982f591ddb31e1c3e1

AgentTesla

Executable exe 89c3a9a4a75c80b3552df2a5bda935056bc3a55a6f76b264645593cb966e2b74

(this sample)

  
Dropped by
MD5 047133c50f5a3ae757353cb636a18b03
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4529c6af06212a6234d8f3454c6eaaca9867b168ba45d4982f591ddb31e1c3e1

Comments