MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b. 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 21 File information Comments

SHA256 hash:	243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b
SHA3-384 hash:	e4ed8bf30fe77af8a4a8a07a3ece45ee084108a4430a5c7cb8989cef9c5646ef941b8cf5b77c65cfdcd1dbaf5c2d33c2
SHA1 hash:	356f906f7b7c1c7671aa6bb35b1cc99c1854dda9
MD5 hash:	b635db8fe5bfebc04020b61fa1c1c7c1
humanhash:	jig-hydrogen-india-lion
File name:	SecuriteInfo.com.Win32.PWSX-gen.5936.10093
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	723'976 bytes
First seen:	2024-05-13 08:16:54 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:AyTeH81jJUCCKQlviheiv2U9/IDQ5UsGUBg7HhxGtT1fER792kR:A58MCElvihHvDxIDQOs1BOHhxGh1mpt
Threatray	4'313 similar samples on MalwareBazaar
TLSH	T1DBF4124227AC7F19FBFB6FF116A8D0419B36726634A5E21D3DD0A0C768B1B405674A0F
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)
Reporter	SecuriteInfoCom
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

371

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b.exe

Verdict:

Malicious activity

Analysis date:

2024-05-13 08:18:12 UTC

Tags:

stealer agenttesla exfiltration

Link:

https://app.any.run/tasks/f6da96fe-592f-4996-9221-275de74613f8

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.5936.10093.UNOFFICIAL

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for synchronization primitives

Creating a 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

Setting a keyboard event handler

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

overlay packed

Link:

https://www.filescan.io/uploads/6641cc82a2d36d9500f6822b/reports/840499ec-4d89-4fee-805a-c3db90129418/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/043f6ff4-64fd-4e68-8d83-a72938bf194e

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1440372

Signature

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

.NET source code contains potential unpacker

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

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)

Snort IDS alert for network traffic

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

Tries to harvest and steal ftp login credentials

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:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-12 22:36:25 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=eq6tx4mf6is6xo6b2uhd3zviwlnm4yvsojubnkywpz2gg7znpqvq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

4af4e807a39641a52d870358fa8b6486927f7f5daeb94a2a75d9e117ba41a3ea

AgentTesla

5a9523bba8e40c9d642fd99e046c4c06ddb7174cb26da584ccc0db4aea139f87

AgentTesla

7b67d0a145d4a5d7c1743269452d08bc56bfcb91d93786a375e288f94dd265f8

AgentTesla

c907b5ee8b9aae5ad661042f2aed0338df90653b95dad072ef8d8c0b582bc46b

AgentTesla

e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0

AgentTesla

+ 4'303 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240513-j6pjhsdh7x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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:

4fae45ecc00efa484f19ce6f5de7d518bafa931a585cc5cbe77dd38dd38f6628

MD5 hash:

4d545089de1b993a52c36eb83c9f375f

SHA1 hash:

f5606bc4f2211563c184faa7c55311beed806a27

Link:

https://www.unpac.me/results/4356eb36-e7e5-4139-badb-62944bbc6522/

SH256 hash:

4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013

MD5 hash:

28b43a10958caef0465f7b93be0a0d77

SHA1 hash:

9c85c1cb7f6face0a6c8d0a2d2314a99092d6554

Link:

https://www.unpac.me/results/4356eb36-e7e5-4139-badb-62944bbc6522/

SH256 hash:

8663b9be3b84dde8333078f0abc0eb453b12d37d2ce71cf0a9cde01bf24c6130

MD5 hash:

cbe50e4a2bb9ef81d0528fbc21cf59f1

SHA1 hash:

8844162f8214d153efe192811b4602c8cd91ed91

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/4356eb36-e7e5-4139-badb-62944bbc6522/

Parent samples :

d0470bacce95da182a6ac0f381c45fdc9dffe39bb58d491c63ecd2c98de7689b
3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f
22227fce9d09014d3fca954bf6fba7a40cdf9bcf4b8dd13f69914fab061d0dfe
c97a1f5c30afbc0a452a6a72c1e77ba4031504d7aee83f63ca6956e5f032e6b3
243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b
975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc
452f10de6f5dd60f4ced6c16027dca4a6f1fd8770601d46a610095c398c3266d

SH256 hash:

fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307

MD5 hash:

1e504d0d93436a776666cc8236d65844

SHA1 hash:

834490f9be03a0814c6460f5aae33af12e83b8f5

Link:

https://www.unpac.me/results/4356eb36-e7e5-4139-badb-62944bbc6522/

SH256 hash:

7e843a764288885629db944e03560845bd6aae31be1e1ce1d92799b4dffb5f7a

MD5 hash:

2c3f7108d4525ac2856cb70871f15c32

SHA1 hash:

5d04332dac4d5324d89ebca26a2a609b8fd9895e

Link:

https://www.unpac.me/results/4356eb36-e7e5-4139-badb-62944bbc6522/

SH256 hash:

243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b

MD5 hash:

b635db8fe5bfebc04020b61fa1c1c7c1

SHA1 hash:

356f906f7b7c1c7671aa6bb35b1cc99c1854dda9

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/4356eb36-e7e5-4139-badb-62944bbc6522/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/243d3bf185f2/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/243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b

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:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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