MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a. 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: 16

Intelligence 16 IOCs YARA 9 File information Comments 1

SHA256 hash:	8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a
SHA3-384 hash:	630102b90bc377a280e455b6edd7b9cfa29a3fb1e168ad18401196bd90a02dfc4016e9047a5f5c59df1325168d94ebe8
SHA1 hash:	f3cb96767bce879991700a12df6f134b86d6acce
MD5 hash:	2a6fbcb124df195805b8ccf65b01b10b
humanhash:	uniform-jig-pluto-pizza
File name:	2a6fbcb124df195805b8ccf65b01b10b
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'162'752 bytes
First seen:	2024-02-19 11:08:18 UTC
Last seen:	2024-02-19 12:50:31 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:XAHnh+eWsN3skA4RV1Hom2KXMmHaOOSIzThzK9HN5rpVf5:Kh+ZkldoPK8YaOOSIPEN5l
Threatray	4 similar samples on MalwareBazaar
TLSH	T1DD35AE12B391D075FEAB92735F26F61156BEBD250033842F12983D79BD712B2223E663
TrID	63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10523/12/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	e0c06a66646adaf8 (3 x AgentTesla, 1 x Formbook)
Reporter	zbetcheckin
Tags:	32 AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

333

Origin country :

Vendor Threat Intelligence

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/476788/

Detection(s):

SecuriteInfo.com.Trojan.AutoIt.1326.584.23548.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Using the Windows Management Instrumentation requests

Reading critical registry keys

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

autoit fingerprint keylogger lolbin packed shell32

Link:

https://www.filescan.io/uploads/65d336d5510063cea176e612/reports/0e9ef06b-44af-43c3-8821-64f3fb8d0dd7/overview

Verdict:

Malicious

Labled as:

AIT:Trojan.Nymeria

Link:

https://www.hybrid-analysis.com/sample/8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c9dcf38b-0e09-4dc4-ad39-97c374b51d23

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1394493

Signature

Antivirus / Scanner detection for submitted sample

Binary is likely a compiled AutoIt script file

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Writes to foreign memory regions

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-02-19 10:14:38 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rjjyfsveraoupuklinq7nlto4so2rgx6nn5c7xvm2sjnoss76jva._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a

AgentTesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240219-m849jacf4v/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

AgentTesla

Unpacked files

SH256 hash:

48637d8f97bdd19da3d85c8c3dd1fdf52bb7bac9d6f9723a50d639631e9bb71a

MD5 hash:

ec0040a7d9875f801c1aee654d389722

SHA1 hash:

1986b33624a04aba93075929b11991f6a8356891

Detections:

AgentTesla

win_agent_tesla_bytecodes_sep_2023

INDICATOR_EXE_Packed_GEN01

Link:

https://www.unpac.me/results/42f80ca5-2249-4564-ba1e-c121cd6aa8b6/

Parent samples :

48637d8f97bdd19da3d85c8c3dd1fdf52bb7bac9d6f9723a50d639631e9bb71a
8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a
2260e7bdb581177d557cd17461b052965d56dac3497672dd7c7b49ce0a33b594
66e9acddd185a91fc0f6e020eacecd180b055201ac7c082cc3fa99a236452eb4
31c81dacc488b878b2f13297e0f8d7f2ad677adb681e6d5629953a4442b768fc
96440b5ac7a820be9ce16faa820eac1cccd39b0154573326331f828bbfe96c17
bdf5b39c1043750eea85ce7c977a3cd25a8fee3cff91539ed99892a94833dff0
71fca2be8367b18e005c50b0e3d3dbec1c0b015adc8d51da08f5647ba64971c6
168eb588a4e2f648bb92bec333cbd6a68e2de589a9d804f07933953a4ffc4d1b

SH256 hash:

8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a

MD5 hash:

2a6fbcb124df195805b8ccf65b01b10b

SHA1 hash:

f3cb96767bce879991700a12df6f134b86d6acce

Detections:

AutoIT_Compiled

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/42f80ca5-2249-4564-ba1e-c121cd6aa8b6/

Malware family:

AgentTesla.v4

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8a5382caa488/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/8a5382caa4881d47d14b4361f6ae6ee49da89afe6b7a2fdeacd492d74a5ff26a

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:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTeslaV4 Create hunting rule
Author:	kevoreilly
Description:	AgentTesla Payload

Rule name:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research