MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308. 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

Formbook

Vendor detections: 18

Intelligence 18 IOCs YARA 23 File information Comments

SHA256 hash:	3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308
SHA3-384 hash:	67c0f5f1b0151a8f132f48e9dfd75fc4c65ddb8f8f2df90c46710e1d25a88eb3fe4503d00e90884963e6b9886bf3e169
SHA1 hash:	ebafc40b5ecff03503b00953b047244c7f1bbf2c
MD5 hash:	608b54f77c3a2a9de12bf3ded307bdf5
humanhash:	johnny-bakerloo-tennessee-friend
File name:	3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308
Download:	download sample
Signature	Formbook Create hunting rule
File size:	188'416 bytes
First seen:	2025-03-10 11:37:34 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	3072:XtvL2+Daj21bNL7kXe7QP1Xz7uA5QK9M7FPBADPPV8:9S+Da6vYuM9j7T5jCRWD
Threatray	3'544 similar samples on MalwareBazaar
TLSH	T1A7040288F3E4B1AED6AA8477558ADC543A385167A303D32B4843615CCE7E7FD780D2A3
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

130

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308.exe

Verdict:

Malicious activity

Analysis date:

2025-03-10 11:41:53 UTC

Tags:

evasion stealer agenttesla ftp exfiltration

Link:

https://app.any.run/tasks/ee4794cd-8621-448b-b89b-6b5ac4fd0434

Note:

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

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67cecfff0d1b39e3a208ae90

Tags:

agenttesla packed virus msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Creating a window

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

confuserex crypto_obfuscator_for_net obfuscated obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/67cecf2c3c5f644bd94b1c88/reports/0a5ca89b-71d5-48d1-8442-500e3494f62c/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308

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/692c846f-b66c-49bb-9608-cdee05561207

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1634781

Signature

.NET source code contains potential unpacker

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious 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)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

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/3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308/

Threat name:

Win32.Trojan.Znyonm

Status:

Malicious

First seen:

2025-02-24 21:23:59 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=g2el27qzsglqtqga5nosszkjulmdk3gw345eillaz7xhmuon6mea._file

Verdict:

malicious

Label(s):

agenttesla

Formbook

2721334b6e632df9c325337f43656c1e2ed4afb5e0e1e1b74a55055346d3200e

Formbook

9e19f6b4011cfb241e826abc5e52b9e2c5b99966a661ab548b90691b06cb3900

Formbook

a32812ea87167fe0a9275823f6c873984de4dc7ece43895f02a175826aeecdce

Formbook

aba4d6ba306deaf02c3122060facf7e11d19da806321ac993c42461d4e9edcd7

Formbook

fa54825b8b94917037cc1620eb21421f9bd31ac394f396c1fe80546e4ed88dfa

Formbook

+ 3'534 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250310-nrv5zatsds/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

AgentTesla

Agenttesla family

Verdict:

Malicious

Tags:

external_ip_lookup

YARA:

n/a

Link:

https://app.threat.zone/submission/55d0690f-c371-4efa-bc1d-f2e69020e04a

Unpacked files

SH256 hash:

3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308

MD5 hash:

608b54f77c3a2a9de12bf3ded307bdf5

SHA1 hash:

ebafc40b5ecff03503b00953b047244c7f1bbf2c

Link:

https://www.unpac.me/results/5e2d7cc9-0030-4739-b366-1566f238024c/

SH256 hash:

24864daca1b266590c68ac8006184304cb177518fe6b45173a0ceef6ae234403

MD5 hash:

1f7664f00222483ba53c69a05f657351

SHA1 hash:

31b494c9e527246250b528a660e9f8040fe22f9d

Detections:

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

MALWARE_Win_AgentTeslaV2

Link:

https://www.unpac.me/results/5e2d7cc9-0030-4739-b366-1566f238024c/

SH256 hash:

f6340b8965f5091bb782d49144153fcd35c9e371d0d358841cfe8732deca7fd7

MD5 hash:

41c970601121fb219a5498aee837ed6b

SHA1 hash:

9d8593e8302ba7258d90ebb8ce8976bde7cc5ab5

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

INDICATOR_EXE_Packed_ConfuserEx

Link:

https://www.unpac.me/results/5e2d7cc9-0030-4739-b366-1566f238024c/

Parent samples :

0a13ea4fa8382c49dc0ace6bda604ea41e8f5fe78a2691bf7c808c7b88efbfb1
fc6eea1959ab391ad40bb20af2442002931d0f391228ef2d6591872eebf75f6c
c99c18843a6e36eb34a0b2dddcc157dd8b0f9de2ea61923508694ac9d3574890
3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308
c979cdb1c5a3987d61e1e90e14e969a3d9dad1aa554c5e2d66b3ac36b2e0953d

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/3688bd7e19919709c0c0eb5d296549a2d8356cd6df3a442d60cfee7651cdf308

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:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

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_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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

Rule name:	INDICATOR_EXE_Packed_ConfuserEx Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with ConfuserEx Mod

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_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

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:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	Windows_Generic_Threat_779cf969 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 (GUARD_CF)	high

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