MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c12845933b071eca81b78d24633ce54ea211cfedcdca167eb28cbf93572ebc1a. 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


Intelligence File information Yara 3 Comments

SHA256 hash: c12845933b071eca81b78d24633ce54ea211cfedcdca167eb28cbf93572ebc1a
SHA3-384 hash: b96568c2e228406471f10e0126393c0c7fea8a41705faff066aa3962ff1f471081a4a51d7101f81b6d3b626746ab89fc
SHA1 hash: f2534ee1529c191ab0039f72f83c0ba8b0ee4f51
MD5 hash: c67e2d8e8a60cf1f14907fa6cea61a96
humanhash: sweet-johnny-zebra-sodium
File name:PO. FSTG-20200030_SACANNED_DOC.exe
Download: download sample
Signature AgentTesla
File size:663'552 bytes
First seen:2020-07-31 10:13:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 6144:63F48TZUE+UIkgdNc3/i/u1FPN5HAdphAwjnoRuM3m8SLpod:72qkJ3/5WHgW8S
TLSH FCE418287A82D410D63D063588E65AD637B0A14B3F12CF1F39C95BAC5F037DF7A4A25A
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: mail.genonop.cf
Sending IP: 133.130.110.81
From: Shinhwa Tech Co., Ltd. <admin@genonop.cf>
Subject: FW: PO. FSTG-20200030
Attachment: PO. FSTG-20200030_SACANNED_DOC.rar (contains "PO. FSTG-20200030_SACANNED_DOC.exe")

AgentTesla SMTP exfil server:
smtp.chigo-cec.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
Origin country :
US US
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-30 23:17:49 UTC
AV detection:
21 of 31 (67.74%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
AgentTesla Payload
Agenttesla family
Threat name:
Kryptik
Score:
1.00

Yara Signatures


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 c12845933b071eca81b78d24633ce54ea211cfedcdca167eb28cbf93572ebc1a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments