MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 924a88861bc8088ea5d9bd39765638b6376bcbe32930413ebb0dfb688554e0de. 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:	924a88861bc8088ea5d9bd39765638b6376bcbe32930413ebb0dfb688554e0de
SHA3-384 hash:	693545581224933838aa6f8ded44eeda70b1c60828516f951f10dbc7f683a96689fc988a1caa81d6f1a3c4dac4ff035d
SHA1 hash:	b14e006bc618c538a51883600c548f9268522466
MD5 hash:	45afcb4d40728f5c24e7f6bb1f8b1922
humanhash:	march-green-batman-skylark
File name:	SKM-CA1007384Pdf.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	615'424 bytes
First seen:	2020-08-14 10:34:47 UTC
Last seen:	2020-08-14 12:10:06 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:pgr/GExLfIZXd7hqg9cirVTADH3eQarlloVEpy1Ur3:jExjKddqgvNwH3IrDzy1
Threatray	10'125 similar samples on MalwareBazaar
TLSH	97D4CF3522985B52F13EABBC5670111003F2A866D737EE4EFEB502EA0D66BE04377716
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: regular1.263xmail.com
Sending IP: 211.150.70.203
From: info <pepsontoys3@pepsontoys.com>
Subject: Re: inquiry
Attachment: SKM-CA1007384Pdf.img (contains "SKM-CA1007384Pdf.exe")

AgentTesla SMTP exfil server:
mail.dogulumetal.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/45824/

Detection(s):

SecuriteInfo.com.BackDoor.SpyBotNET.25.19976.8089.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/429454

Signature

.NET source code contains potential unpacker

Injects a PE file into a foreign processes

Installs a global keyboard hook

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 harvest and steal ftp login credentials

Tries to steal Mail credentials (via file access)

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

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/924a88861bc8088ea5d9bd39765638b6376bcbe32930413ebb0dfb688554e0de/

Threat name:

ByteCode-MSIL.Trojan.LokiSteal

Status:

Malicious

First seen:

2020-08-14 10:36:09 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=sjfirbq3zaei5jozxu4xmvrywy3wxs7dfeyecpv3bx5wrbku4dpa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1aa7a26dc92fbd8b4bb9ddd986a7160525ed218434d15d7bfc13e8b4dc5a7275

AgentTesla

2bccd7c0c084c310cc99b76682f6747baebaec683536a1ec3a8210b55daa327a

AgentTesla

375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46

AgentTesla

41efc16c24de6ee0b2ef7532958b5413796c18c87729b7c6114e371ab24e5bd0

AgentTesla

6ef9a4ba3c11768927a6c30605c75cfcb534d7fc013aaf429c51d83bf06750e7

AgentTesla

85f9c52380c96ddf3aa66361640a6a6232a182d5d4437de8a3585fa0d216ebc4

AgentTesla

894460163492923a4a19c16f1b31698bbfe8431fea36d3bef84c031f30069c4f

AgentTesla

bc7d100965bf9a04f7df2820725b9d3c23621f272b3cface8f78d0142d187493

AgentTesla

dd73e7c8d4f3014acf00b5e917cb126e4a25389d30c77549c67d9a20858baad0

AgentTesla

+ 10'115 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200814-vpasxdfgbj/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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

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/924a88861bc8088ea5d9bd39765638b6376bcbe32930413ebb0dfb688554e0de

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