MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6. 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:	2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6
SHA3-384 hash:	6493b0d80e2151542f5ff95a4049cab17f437c3a421f3d25774f960c5d9933973e59c4a131559bba372edcd36480737f
SHA1 hash:	3784bf7aa550dd36065092325951d1b4e81a36f2
MD5 hash:	3edf35900f95482ac8e77a9d32e6bf3d
humanhash:	island-enemy-fruit-jupiter
File name:	New order.bat.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	746'504 bytes
First seen:	2024-02-21 20:24:22 UTC
Last seen:	2024-02-26 14:56:34 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:4dRs1rEwTHHTGfqr7G7hD44O5aIGxftCaDCJU8MIqX9yBIzZZVTC0NiUCcPsU1Wy:L9EWHyfZKl5aFCoWxMIqtyBIVZk8sUL
TLSH	T1DEF423827BBD8473CAA89B721238D5180BB17453B931C7FD1CDA90DE6AE5B406A74F07
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	4d4d0b0f0f0f0f0f (5 x AgentTesla, 1 x Formbook)
Reporter	James_inthe_box
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

380

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6.exe

Verdict:

Malicious activity

Analysis date:

2024-02-21 20:27:10 UTC

Tags:

stealer agenttesla

Link:

https://app.any.run/tasks/aa010c41-7148-4e6e-9594-58f99cf66aff

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/477348/

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

SecuriteInfo.com.Trojan.DownLoaderNET.710.159.32630.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

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

DNS request

Connection attempt

Sending a custom TCP request

Reading critical registry keys

Setting a keyboard event handler

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/65d65c2026f1ddc579a39d0c/reports/84ad8134-319b-4ab8-b499-1cffd1b163ea/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6

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/9db13252-dbf8-4f77-b6eb-971e01792df0

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1396488

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/2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-02-20 23:00:28 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=frbpbnry4rx7yizsad2fzkkdnr4pwqspyqevoriso5g72oqgegta._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-y69xsafd37/

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 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:

0341cea4e55233d5418e17aa2636174a600ae162b3eecfc8530591d1a1ba78d4

MD5 hash:

2c5d456bfc02791e17cc97273f70ffe6

SHA1 hash:

e23a318bc325669c3c6e686a3a55de039870ce51

Link:

https://www.unpac.me/results/138238fd-b66c-417d-aac0-3ab8d9f7a547/

SH256 hash:

72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628

MD5 hash:

2a8240bba06e832ee5d136a0a7e5b5b9

SHA1 hash:

de49d9b33004a4a622a4279b3ee2b3e3e5cd012b

Link:

https://www.unpac.me/results/138238fd-b66c-417d-aac0-3ab8d9f7a547/

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/138238fd-b66c-417d-aac0-3ab8d9f7a547/

Parent samples :

a3389d421ad67e0668b58bca73585ae641047e2b9b0d798060b96f4ad0648477
643ec0d1bf2ed36dd15a6eae87f1a570c88be0cae6ccdf7179f705edd3291d38
2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6
232dda5f15f635e041afce6e34f17ba284380475a14232e85856065bdd78f0be
b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb
5857b336d7d9853e12a8396380a452b1ea5c390a0409fb58ee6e7e77d9aabe00

SH256 hash:

ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769

MD5 hash:

09f7fb78314d30bf7c69d72caa9da978

SHA1 hash:

5536e0f86fe6e36f11e5ba03a8f559675dd82f30

Link:

https://www.unpac.me/results/138238fd-b66c-417d-aac0-3ab8d9f7a547/

SH256 hash:

42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b

MD5 hash:

100a8095e042378d2c227eb0ff37b6d4

SHA1 hash:

32c4a6457d7c01e9e135c3750d571114bc0ef3a0

Link:

https://www.unpac.me/results/138238fd-b66c-417d-aac0-3ab8d9f7a547/

SH256 hash:

2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6

MD5 hash:

3edf35900f95482ac8e77a9d32e6bf3d

SHA1 hash:

3784bf7aa550dd36065092325951d1b4e81a36f2

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/138238fd-b66c-417d-aac0-3ab8d9f7a547/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2c42f0b638e4/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/2c42f0b638e46ffc233200f45ca9436c78fb424fc409574512774dfd3a0621a6

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