MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348. 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: 20

Intelligence 20 IOCs YARA 25 File information Comments

SHA256 hash:	6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348
SHA3-384 hash:	193f329f6d951a6a4eff04b96e35df9b125be90eead068afd3bc4b1312c4a39c8b3b850445ab0a15025b94d450322069
SHA1 hash:	cdeeddaa6eec8d294d3e22e157f7c60f2d296d8c
MD5 hash:	960224118d075076917575c7c02a4c61
humanhash:	indigo-jig-potato-glucose
File name:	hesaphareketi_25_03_2025_20kb pdf________________________________________________________________________pdf__.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	747'528 bytes
First seen:	2025-03-25 16:42:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:KdD0YyOn6nzx4wSgRFR3iyGVPtReUjdAKWNw4MgjudFvh39mg9zk+41JLuU3xMXu:VY9n6nhSaR3ZuDeUj3WNRw9mwk+U19
Threatray	1 similar samples on MalwareBazaar
TLSH	T10CF401989A48E603CB914BB45D71FA75077D2EDEE801D31B9FDCADEFB862B104C44282
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	abuse_ch
Tags:	exe FormBook geo TUR

Intelligence

File Origin

# of uploads :

# of downloads :

447

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348.exe

Verdict:

Malicious activity

Analysis date:

2025-03-26 10:03:55 UTC

Tags:

evasion stealer ftp agenttesla exfiltration

Link:

https://app.any.run/tasks/a24a1e9e-d328-4799-bf66-2e059f43348e

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.3285.13414.31649.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67e2dd07cb6d38a89f3e046e

Tags:

spawn shell micro lien

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

expired-cert invalid-signature obfuscated packed packed packer_detected signed

Link:

https://www.filescan.io/uploads/67e2dcfa09c39f5498b55968/reports/bb4bc2fb-c919-465a-b069-a069a3affe6a/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348

Result

Verdict:

MALICIOUS

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/cf9afb0c-0398-4254-8ff4-f4d68f1c0f8a

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1648268

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

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

Initial sample is a PE file and has a suspicious name

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

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)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

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)

Yara detected AgentTesla

Yara detected AntiVM3

Behaviour

Behavior Graph:

Download SVG

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348/

Threat name:

Win32.Trojan.GenSteal

Status:

Malicious

First seen:

2025-03-25 12:59:42 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 36 (63.89%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=nm6fkjpsdmh2lfmsgoo3ipft7bkz26rrksz4oei4cly6vup3enea._file

Verdict:

malicious

Label(s):

unc_loader_037

agenttesla

Similar samples:

error

Formbook

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250325-t7wdkaspw8/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

AgentTesla

Agenttesla family

Verdict:

Malicious

Tags:

external_ip_lookup

YARA:

n/a

Link:

https://app.threat.zone/submission/35d51a85-928d-456d-8e8b-0c44e9e08e5e

Unpacked files

SH256 hash:

6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348

MD5 hash:

960224118d075076917575c7c02a4c61

SHA1 hash:

cdeeddaa6eec8d294d3e22e157f7c60f2d296d8c

Link:

https://www.unpac.me/results/cff6669f-05bc-4a21-9fcd-bda5618f8e53/

SH256 hash:

bbac028c0470bfe98177dde3bbd82b48a316a992fb51797a79e1aca9064bfb9f

MD5 hash:

2e794cc77833e2e5f4a8514a9014e5e8

SHA1 hash:

288d60c2f36ce703122034fec75f56096595a629

Link:

https://www.unpac.me/results/cff6669f-05bc-4a21-9fcd-bda5618f8e53/

SH256 hash:

db5929820b5dc7896a5d09f0f1523579ef94e263760812d7e48181e887a856ac

MD5 hash:

a0a2ab4d70173a67856c11bcc43d6e86

SHA1 hash:

6697f121355abaf697145ee69d4bd96824c36367

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/cff6669f-05bc-4a21-9fcd-bda5618f8e53/

SH256 hash:

1e95c46a65db087a45c0dc9288632cd041420af30570d292a9161ae595771af6

MD5 hash:

79456fe90bf62923b7d97ed24e2f8d0b

SHA1 hash:

b9904416f7cf2ddafd5ecc208645a9ff2c3f970d

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/cff6669f-05bc-4a21-9fcd-bda5618f8e53/

Parent samples :

6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348
07bb27c5121f957b3d190ecb685e334946e80e3fac86dad3c0fa94f980276907
84d88aa331513f6d7e41095e2187e4571dd08b9aedd52202dbb39fa1e9fd5565
8a0e2bd2fae6f592b09966871b6412bb9dd662c06a26128709b90dc420c22e83
ab2daffa2c7b0a091701696aec9fc90808cf5c98e09e1804275beee5ab31100c

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6b3c5525f21b/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/6b3c5525f21b0fa59592339db43cb3f8559d7a3154b3c7111c12f1ead1fb2348

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

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_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_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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 (HIGH_ENTROPY_VA)	high

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