MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aaaf154a85d455d76aa2ab1ee7c69190d6041e8f54df214a1850c37fb52d79f4. 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 3 File information Comments

SHA256 hash:	aaaf154a85d455d76aa2ab1ee7c69190d6041e8f54df214a1850c37fb52d79f4
SHA3-384 hash:	b957ff471ba11fcea4f0f4b2656a3346b988bf6c5105d529928f65f2d9fde5c4829079cbc61a3942edbdc27e2557b9b7
SHA1 hash:	e99e57fd860f4c09b70ce5974057262b2f9fb625
MD5 hash:	ae6a56ae47bf13b0831195caf339369e
humanhash:	michigan-high-oklahoma-triple
File name:	INV-CSPL418819-20 RS.2360.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	490'496 bytes
First seen:	2020-08-19 11:22:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:XuUyg7NNLls4LWaaArwqdDgQjf2mJ6aSIPVxAcoAAeBkVi:eH+Ll3LWaDwj8LJpSuHAPAA
Threatray	10'317 similar samples on MalwareBazaar
TLSH	6FA401587544F38FD96FCD3A85A05CB4136062B7660BF3039D5399EE1F5DBA2CE028A2
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: gmail.com
Sending IP: 81.171.9.143
From: Ms. Ishardas <chomi0605@panpacific.co.kr>
Reply-To: Ms. Ishardas <surnit9041@gmail.com>
Subject: Re: invoice no CSPL/4188/19-20 RS.2360 Payment Detail
Attachment: INV-CSPL418819-20 RS.2360.rar (contains "INV-CSPL418819-20 RS.2360.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/48448/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Creating a file

Using the Windows Management Instrumentation requests

Enabling autorun by creating a file

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/437681

Signature

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

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)

Sigma detected: Scheduled temp file as task from temp location

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 steal Mail credentials (via file access)

Uses schtasks.exe or at.exe to add and modify task schedules

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/aaaf154a85d455d76aa2ab1ee7c69190d6041e8f54df214a1850c37fb52d79f4/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-18 17:09:09 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vkxrksuf2rk5o2vcvmpoprursdlaihupktpscsqykdbx7njnph2a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22

AgentTesla

673aa6ede02270b33f4a7058ec4e31eabd688ca4c75037ed4a7f92470a42a271

AgentTesla

7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a

AgentTesla

8ae81522b85b942557d654bd85f719d2a8b539106e787c451f0d2856effc6ca4

AgentTesla

ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8

AgentTesla

af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5

AgentTesla

b502f774e9192f77aa713347f2747b67df5a473be721226bf0b2d98bdff8a835

AgentTesla

c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927

AgentTesla

f749fcdcc06750ec8e3839b52ddd13e9a2023673da83aefe1c13439e1351fab5

AgentTesla

+ 10'307 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200819-slxgnztvw6/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/aaaf154a85d455d76aa2ab1ee7c69190d6041e8f54df214a1850c37fb52d79f4

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 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	CAP_HookExKeylogger Create hunting rule
Author:	Brian C. Bell -- @biebsmalwareguy
Reference:	https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar