MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31f6a3a3c77c26fc3780f86844f36092aa0365006b17027ec9bb18ef8c26fdb7. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 31f6a3a3c77c26fc3780f86844f36092aa0365006b17027ec9bb18ef8c26fdb7
SHA3-384 hash: 2313ec6ebade78f6d428f308bb8f4a8bd49790ec780ce9b60d64bab52620350f179853bc4d55d73e06b77e07152623dd
SHA1 hash: 3e9edce411a97575a62e1d5dadf882c1a222a54d
MD5 hash: abac0dfd34564e8d7663435b510d428b
humanhash: oranges-illinois-social-ink
File name:Our New Order Oct 06 2020 at 2.30_PVV440_PDF.exe
Download: download sample
Signature AgentTesla
File size:419'840 bytes
First seen:2020-10-06 06:05:57 UTC
Last seen:2020-10-06 07:22:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:ejKf+0/hitjkl6VgWO7o3f0sR+bARytDbXa17hXzbFYFoZ:J2gldo3f0NARSaZ9zbF4o
Threatray 178 similar samples on MalwareBazaar
TLSH 11947D7E3A936BBCCA5E4A3640A140C2F67A16C73F529E0DA19B630C0E4364B635775F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: servidor-3.sairanac.vservers.es
Sending IP: 91.142.222.227
From: Makilov Versiley <direccion@eucov.com>
Subject: RE: AW: Our New Order No. 155717
Attachment: Our New Order Oct 06 2020 at 2.30_PVV440_PDF.img (contains "Our New Order Oct 06 2020 at 2.30_PVV440_PDF.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
.NET source code contains very large array initializations
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-06 03:11:37 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
31f6a3a3c77c26fc3780f86844f36092aa0365006b17027ec9bb18ef8c26fdb7
MD5 hash:
abac0dfd34564e8d7663435b510d428b
SHA1 hash:
3e9edce411a97575a62e1d5dadf882c1a222a54d
SH256 hash:
6588cb59743ca04e6fb14256ed375908c9a74840b37df3eaa4d9e520f747e430
MD5 hash:
36bf02bda20d358a18f7ac65b7d7ac6c
SHA1 hash:
a08c8bb774773bd957adaf80ee544e53cc43679d
SH256 hash:
43532b3e4559fc322e551cd4836ec439710236cce0f4f854e15011228282bb5f
MD5 hash:
dccdadd369fe32cd03f18b9a765930cb
SHA1 hash:
df8be1074c6f2cb8455944e1265145ff41be99f5
SH256 hash:
b80155dbd80f8bc5d3f59e08df47aefa42e73612aac6e8845fad3cae516cbdb0
MD5 hash:
0478256ba4237f2e33b77f8127d9a145
SHA1 hash:
560f2cd098bd81c18174d980652b28a8c90c48e2
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.

Malspam

AgentTesla

Executable exe 31f6a3a3c77c26fc3780f86844f36092aa0365006b17027ec9bb18ef8c26fdb7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments