MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4f20bb869575d8b20aaf614f422f6a889ed24d9a6031564235ff3f7a7a97bdc. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: b4f20bb869575d8b20aaf614f422f6a889ed24d9a6031564235ff3f7a7a97bdc
SHA3-384 hash: eb7fd6971c04e646660b6472be7e195b5b69608c3a8347a4d7b3ad4f19d1b67ad09a01986f3f191491337b4a3aa251c4
SHA1 hash: 81074f7036c4c16ec77f7fa90936c191ea6b6ae9
MD5 hash: ca7c7bfbfd3edf2b004d1e53caccfe8e
humanhash: butter-timing-fourteen-speaker
File name:vbc.exe
Download: download sample
Signature AgentTesla
File size:615'936 bytes
First seen:2020-10-23 16:45:23 UTC
Last seen:2020-10-24 09:19:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:VUWCZnvgT9uDe4dKuptwoCAkp0rmrkq8:V7KvI9uDeUtFCHeLq
Threatray 744 similar samples on MalwareBazaar
TLSH F7D41278062C4DDDCACE5679F4B2623D93B092863206DFA53742C55CBFAB3C2B05A1E5
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
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)
Sigma detected: RegAsm connects to smtp port
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-23 16:44:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Uses the VBS compiler for execution
AgentTesla
Unpacked files
SH256 hash:
f5b1bd08163b630a8a77654afad5d315b8972d2173ce81df3a20224a2f90bc09
MD5 hash:
df7f1ac94cba40272ae3d2ca8357fb75
SHA1 hash:
0a2d166c4313666e2bf74fea2b7139a4e6724f43
SH256 hash:
8940739b0fcb021a2bfa9542590169742e74a425e2c9fbd731d823a9a75a1655
MD5 hash:
444c5d51a463cfd4f01b7deb2af1b603
SHA1 hash:
efd08c43a73667ee80ece4f60e3d34c045835851
SH256 hash:
b4f20bb869575d8b20aaf614f422f6a889ed24d9a6031564235ff3f7a7a97bdc
MD5 hash:
ca7c7bfbfd3edf2b004d1e53caccfe8e
SHA1 hash:
81074f7036c4c16ec77f7fa90936c191ea6b6ae9
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: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.

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