MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f297ff70bf504f4de6493af8ee41f6db917d6c849436c88caaaeda0bc779d599. 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 15 File information Comments 1

SHA256 hash:	f297ff70bf504f4de6493af8ee41f6db917d6c849436c88caaaeda0bc779d599
SHA3-384 hash:	3a0eb0acd3fafa75416851b018646b489effbe8cc54950992a07a3152b69486aa60d585d66e156f88d673f001ec18bb9
SHA1 hash:	30256c228e827f026efaaeb85f497cb290b92cd3
MD5 hash:	570a6f299fe580cc42ea482aa091e1e6
humanhash:	april-violet-twelve-coffee
File name:	570a6f299fe580cc42ea482aa091e1e6
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	697'856 bytes
First seen:	2024-02-21 07:34:09 UTC
Last seen:	2024-02-21 09:32:58 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep	12288:uE0R0Mu+fErgvsGOdZjifRyZ32SDeiOs8ZPWKJkfXTEXJZy/g2JB:uvOMu+NmPiJVBErXw2nJB
TLSH	T177E423B0378D963BC17DCC3984A21D110EF56197F572C7C8AED1A2DC5AA3365A3292CA
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	24187a616d4d6910 (6 x Formbook, 4 x AgentTesla, 1 x AsyncRAT)
Reporter	zbetcheckin
Tags:	32 AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

411

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

8b9be55bd762eeb846a0e06f3723ffe45c2f9987239ae62be931902b538f7cae.doc

Verdict:

Malicious activity

Analysis date:

2024-02-21 07:02:01 UTC

Tags:

exploit cve-2017-11882 stealer agenttesla

Link:

https://app.any.run/tasks/7bfc313a-24b5-47eb-9e78-b08a9f79c8c9

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/477229/

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

expand lolbin packed

Link:

https://www.filescan.io/uploads/65d5a7ab781f5716463f183e/reports/7045817d-6d8f-4dda-88a8-152c9b7fb0cb/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/f297ff70bf504f4de6493af8ee41f6db917d6c849436c88caaaeda0bc779d599

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/6654d42c-404d-4520-bd14-aee9fce9d9b5

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1395915

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

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

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

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

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f297ff70bf504f4de6493af8ee41f6db917d6c849436c88caaaeda0bc779d599

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f297ff70bf504f4de6493af8ee41f6db917d6c849436c88caaaeda0bc779d599/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-02-21 07:35:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6kl764f7kbhu3zsjhl4o4qpw3oix23eesq3mrdfkv3naxr3z2wmq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240221-jepp7sch9z/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks computer location settings

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Unpacked files

SH256 hash:

eb97a17005db458fbdf5e950fb9b3ae919c0622984890693935ca9d3a2ac47b7

MD5 hash:

bbddb06dc8522ee63ec5bef23955dfc1

SHA1 hash:

ab9fff9370154f39d3a41221ee0a582689b5e382

Link:

https://www.unpac.me/results/7cf42bb5-74b9-4c8a-8865-b7bb3c025427/

SH256 hash:

f565bbdb7defc241624080422edaf6784be68bc81f2c784d142e85b338f10c61

MD5 hash:

89652c031ceb780f29e5dd6209328521

SHA1 hash:

c25d7c873b6da806a37507cb2982c7e318e3006c

Link:

https://www.unpac.me/results/7cf42bb5-74b9-4c8a-8865-b7bb3c025427/

SH256 hash:

f297ff70bf504f4de6493af8ee41f6db917d6c849436c88caaaeda0bc779d599

MD5 hash:

570a6f299fe580cc42ea482aa091e1e6

SHA1 hash:

30256c228e827f026efaaeb85f497cb290b92cd3

Link:

https://www.unpac.me/results/7cf42bb5-74b9-4c8a-8865-b7bb3c025427/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f297ff70bf50/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/f297ff70bf504f4de6493af8ee41f6db917d6c849436c88caaaeda0bc779d599

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

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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

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:	Windows_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla