MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f4a3ac45b435858cfb65c8d0f10b5ed12ff573a64db1388939fae6a9d58f332. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 7f4a3ac45b435858cfb65c8d0f10b5ed12ff573a64db1388939fae6a9d58f332
SHA3-384 hash: 2d933d764945a991bae06064d0e0b7319db4f5c154ded6cf8958f05a71e9265c8ac3039aa07da1693507b5742b963b52
SHA1 hash: b313707458ecd9f8875a6c4fa5d5492187417a0c
MD5 hash: bf7af1872f36cdee10240f78025068a1
humanhash: stairway-violet-one-social
File name:PO # 7770022460.jpg.exe
Download: download sample
Signature AgentTesla
File size:802'816 bytes
First seen:2021-03-01 20:30:08 UTC
Last seen:2021-03-05 11:01:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:GGw1fMhsrkeKm3U4CX+MYoM6QtixEFECNQFS7vZ3Ng/0nfOoUFukcycxBjz5Oq:GGjs/CuM8tieOAQc7vZ9rnG/FmymBBO
Threatray 3'129 similar samples on MalwareBazaar
TLSH 8B057D3222545B95E07EF7349110D230F3E66D93A3E3DA48BCD93C877DF9A824AA3651
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
23
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO # 7770022460.jpg.exe
Verdict:
Malicious activity
Analysis date:
2021-03-01 20:33:15 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Binary contains a suspicious time stamp
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-01 20:31:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
SH256 hash:
7f4a3ac45b435858cfb65c8d0f10b5ed12ff573a64db1388939fae6a9d58f332
MD5 hash:
bf7af1872f36cdee10240f78025068a1
SHA1 hash:
b313707458ecd9f8875a6c4fa5d5492187417a0c
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:adonunix
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 7f4a3ac45b435858cfb65c8d0f10b5ed12ff573a64db1388939fae6a9d58f332

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments