MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb. 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: 17

Intelligence 17 IOCs YARA 18 File information Comments

SHA256 hash:	b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb
SHA3-384 hash:	d788cde16e4a0940dc8394d09ab5907320e4d485e1296b8072de7bd3c28437ff8d191e326f4ed5b5a4c389c5373e2712
SHA1 hash:	09467ea941b0c2c65cf908419847a7b3f948cc44
MD5 hash:	b774ca62d4f7e4a8359a40c7cad50ddb
humanhash:	west-video-diet-sweet
File name:	Proforma Invoice.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	737'288 bytes
First seen:	2024-02-27 07:25:29 UTC
Last seen:	2024-03-04 13:41:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:1lW33mzBh35KR3kWhUlZ/WYjJsRVFYF/Iu65Ho3ZFQYATaFX21Q9NtS8zVjBwCkR:rBwRbqZ/H1sRbW/Iu6FoJFJATAX21Q9A
Threatray	552 similar samples on MalwareBazaar
TLSH	T114F4234C7F748A93CD7B8BB52064525287F262C53829F6E8ACC571DED2E6F48A712D03
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	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	cocaman
Tags:	AgentTesla exe INVOICE

Intelligence

File Origin

# of uploads :

# of downloads :

370

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe

Verdict:

Malicious activity

Analysis date:

2024-02-27 07:27:29 UTC

Tags:

stealer agenttesla

Link:

https://app.any.run/tasks/47809150-29a9-4939-ae73-0f7c301f14c3

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/477924/

Detection(s):

Sanesecurity.Rogue.0hr.20240223-0442.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a process with a hidden window

Creating a file in the %temp% directory

Launching a process

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

davinci formbook masquerade overlay packed

Link:

https://www.filescan.io/uploads/65dd8e8b7ec1345fd98228f1/reports/7b03661f-d906-48fa-9d49-9b459029109c/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb

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/f885d560-65d1-419c-bb76-a942d00139de

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1399273

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

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

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

Sigma detected: Scheduled temp file as task from temp location

Snort IDS alert for network traffic

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)

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

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/b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-02-23 03:35:19 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xeai2b3ablzvr2ef7y4wwuv3y3x3ye27oaionktijhb27fjn3h5q._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

4b7ba4a99e9ce1f3363fb89f18c3b0ec0af1fe4466ae14f8466e2a7cf23eb825

AgentTesla

7beb3d6a70d7facb297ec8422e8cf5adff17c2a1739ef9392d93a633f321ead6

AgentTesla

e68a0da390baf3802baa117bce98b4b3bcbd4f0d0f1355df483d1c5366206921

AgentTesla

+ 542 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240227-h9hdyabc49/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

Reads WinSCP keys stored on the system

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:

3b1ee8779fa25c61228c34e38d06e3449e59e3a00aa2f3e18492b1d228508073

MD5 hash:

054b757333061705de966a1ff1af5a86

SHA1 hash:

ea9ab5bd288eefcf2341a36ee7a25412ed912bda

Link:

https://www.unpac.me/results/6530e760-42e9-4f8a-9ba2-9fc3bca56d5b/

SH256 hash:

8b3ab238b122d29b6d0eea5c4dc9e85b81c7a1b1f8afcebebd81b93498bf54f6

MD5 hash:

e5b0bf84fe7a139f42e19ad27dcea78f

SHA1 hash:

7e18c0c607c51e06f559c9f5d90a93531b60ee3c

Detections:

AgentTesla

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/6530e760-42e9-4f8a-9ba2-9fc3bca56d5b/

Parent samples :

a3389d421ad67e0668b58bca73585ae641047e2b9b0d798060b96f4ad0648477
643ec0d1bf2ed36dd15a6eae87f1a570c88be0cae6ccdf7179f705edd3291d38
2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6
232dda5f15f635e041afce6e34f17ba284380475a14232e85856065bdd78f0be
b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb
5857b336d7d9853e12a8396380a452b1ea5c390a0409fb58ee6e7e77d9aabe00

SH256 hash:

e48cad86860b9daa1470b1940adbdc31412fd5715f9b3ce85466fe54bad9cbdf

MD5 hash:

185f2111ad1af27d07206478b4671155

SHA1 hash:

6fae627e65a363c0dae73858a7d1e69e3eac5d8b

Link:

https://www.unpac.me/results/6530e760-42e9-4f8a-9ba2-9fc3bca56d5b/

SH256 hash:

ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769

MD5 hash:

09f7fb78314d30bf7c69d72caa9da978

SHA1 hash:

5536e0f86fe6e36f11e5ba03a8f559675dd82f30

Link:

https://www.unpac.me/results/6530e760-42e9-4f8a-9ba2-9fc3bca56d5b/

SH256 hash:

42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b

MD5 hash:

100a8095e042378d2c227eb0ff37b6d4

SHA1 hash:

32c4a6457d7c01e9e135c3750d571114bc0ef3a0

Link:

https://www.unpac.me/results/6530e760-42e9-4f8a-9ba2-9fc3bca56d5b/

SH256 hash:

b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb

MD5 hash:

b774ca62d4f7e4a8359a40c7cad50ddb

SHA1 hash:

09467ea941b0c2c65cf908419847a7b3f948cc44

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/6530e760-42e9-4f8a-9ba2-9fc3bca56d5b/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b9008d07600a/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/b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

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_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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