MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f73d9da5c3bba2c007c070c6f71834b3a9a5821a50cba1f908015c999222b09. 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: 1f73d9da5c3bba2c007c070c6f71834b3a9a5821a50cba1f908015c999222b09
SHA3-384 hash: 35d350c8e57e04a057dcec5c70aad84b0f4099a3fca5b0761e5cdb9093fb1212573094345458baa67b39a6482e3d9eaa
SHA1 hash: 1f7082e02a774a21f5efb50da1962d40979230f6
MD5 hash: da5bda3b13845681b8dde5aff8a28f18
humanhash: north-october-stream-golf
File name:Purchase Order # AMHK-11364.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:442'368 bytes
First seen:2020-05-25 08:13:59 UTC
Last seen:2020-05-25 08:51:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:wxWdg0bxSlxytu/m9AkwBqpJjRB4GTFyrqM:0PlxQemGIJjueM
Threatray 10'652 similar samples on MalwareBazaar
TLSH 9394128073B95BBED2BE67F4006168420BB1A65B3222E70D5DD9A0DF547BF814F01E9B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ns.univ21.net
Sending IP: 211.233.62.61
From: Al-Muhaizee Trading Services Company<amtsco1@yahoo.com>
Subject: Purchase Order # AMHK-11364
Attachment: Purchase Order AMHK-11364.iso (contains "Purchase Order # AMHK-11364.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.308.32464.7643.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-25 05:02:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'642 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-tv9qv4jn3s/
Behaviour
Creates scheduled task(s)
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
rezer0
AgentTesla
CoreEntity .NET Packer
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 3842b5bfcc328821ef2e2da46eae669dcce1974629f6f669bc35d2b31252eaff

AgentTesla

Executable exe 1f73d9da5c3bba2c007c070c6f71834b3a9a5821a50cba1f908015c999222b09

(this sample)

  
Dropped by
MD5 23afbe190238c7e095177f329bd29e45
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3842b5bfcc328821ef2e2da46eae669dcce1974629f6f669bc35d2b31252eaff

Comments