MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f08ffb7a34ef9d8d3fa1065de100ddbbf4f2e9c74a6c4ade0135053a9daf5f98. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: f08ffb7a34ef9d8d3fa1065de100ddbbf4f2e9c74a6c4ade0135053a9daf5f98
SHA3-384 hash: 609550940595ad20a7e7531e0a63df6a5796ed7728e259046c5a96627479f1f8677e99c882c2d54d50a4e34013ce08cc
SHA1 hash: 015379b46215574c9c2cb1873d83614ce36c412f
MD5 hash: 26a6f1867331d3bc451c6000d0969d43
humanhash: double-fanta-nevada-zebra
File name:PO-CHE-0234.exe
Download: download sample
Signature AgentTesla
File size:929'280 bytes
First seen:2020-07-20 11:09:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:uR3woMcFgq1q9I6/kldSCGDyaod+ik4g8y3SoDFINKaE6xVZPHp/zLd2EjdMatLC:upw8jOPW2rEloDFIMs5J/z/jdMaJC
Threatray 10'676 similar samples on MalwareBazaar
TLSH 8D15E1C83A40944EC58E1EBA5E52CD70C370AD56F6F3E34767C26E9E297E35BC805292
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: chemeon.com
Sending IP: 66.154.97.82
From: "Taylor Clarke" <t.clarke@chemeon.com>
Subject: CHEMEON-OUR REF: PO-7546354
Attachment: PO-CHE-0234.ISO (contains "PO-CHE-0234.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248093 Sample: PO-CHE-0234.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 30 Antivirus detection for dropped file 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for dropped file 2->34 36 6 other signatures 2->36 7 PO-CHE-0234.exe 5 2->7         started        process3 file4 22 C:\Users\user\AppData\Roaming\LhxJxj.exe, PE32 7->22 dropped 24 C:\Users\user\...\LhxJxj.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\AppData\Local\...\tmp5434.tmp, XML 7->26 dropped 28 C:\Users\user\AppData\...\PO-CHE-0234.exe.log, ASCII 7->28 dropped 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->40 11 PO-CHE-0234.exe 2 7->11         started        14 schtasks.exe 1 7->14         started        16 PO-CHE-0234.exe 7->16         started        18 PO-CHE-0234.exe 7->18         started        signatures5 process6 signatures7 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->42 44 Tries to steal Mail credentials (via file access) 11->44 46 Tries to harvest and steal ftp login credentials 11->46 48 Tries to harvest and steal browser information (history, passwords, etc) 11->48 20 conhost.exe 14->20         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-20 11:11:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe f08ffb7a34ef9d8d3fa1065de100ddbbf4f2e9c74a6c4ade0135053a9daf5f98

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments