MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c4a62274eaf166916621a82f252b2dcdbde0fb6b477682943ef60128f0a82c3. 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: 17

Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash:	3c4a62274eaf166916621a82f252b2dcdbde0fb6b477682943ef60128f0a82c3
SHA3-384 hash:	494e684fcb301d19aa1badc845281eab75ee7a5b94b911d4c904c2dbe4bc12fb32105542cb20e60ef79a90f1a00b6a99
SHA1 hash:	fa8418e53e2c415d5020163f8d33fbd43df8fa47
MD5 hash:	7f0d9bf0516b5595017c12fde49cabe8
humanhash:	pasta-carpet-emma-bravo
File name:	Shipping Documents.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	788'992 bytes
First seen:	2024-05-15 14:45:17 UTC
Last seen:	2024-05-15 15:21:53 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:6G6vemk80skSKSIwICEWJ+1BhrlyCv20B6cqAOL/oX9R4gye78hqVofsS0Zq2ZWi:i5k80JSNIdL1PlPvAfLoX9Rn8Ymnv8
TLSH	T1F7F4019C3660B5DFC957CA76CD981C64E621B4BB831BD703602715EC9A0EA9BCF190F2
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	9671cccccccc61c4 (5 x AgentTesla, 2 x Formbook, 1 x Loki)
Reporter	James_inthe_box
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

341

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

3c4a62274eaf166916621a82f252b2dcdbde0fb6b477682943ef60128f0a82c3.exe

Verdict:

Malicious activity

Analysis date:

2024-05-15 14:48:38 UTC

Tags:

evasion telegram exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/eb883248-3ebf-4aa0-b4d8-a8f982e0288e

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.8387.13415.UNOFFICIAL

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

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 an HTTP GET request

Reading critical registry keys

Sending a custom TCP request

Setting a keyboard event handler

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/6644caacbc04dffa921ab7ab/reports/9cbbf22b-453c-4e94-b7a3-dc86108fa61b/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/3c4a62274eaf166916621a82f252b2dcdbde0fb6b477682943ef60128f0a82c3

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/52064b74-a2a5-4c96-a1ad-ee9fb1ea5b57

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1442082

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

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

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)

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

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

Loading BitLocker PowerShell Module

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

Suspicious powershell command line found

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 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)

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

Uses the Telegram API (likely for C&C communication)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Yara detected PureLog Stealer

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3c4a62274eaf166916621a82f252b2dcdbde0fb6b477682943ef60128f0a82c3

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/3c4a62274eaf166916621a82f252b2dcdbde0fb6b477682943ef60128f0a82c3/

Threat name:

Win32.Trojan.Leonem

Status:

Malicious

First seen:

2024-05-15 03:46:53 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 38 (50.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hrfgej2ov4lgsftcdkbpeuvs3tn54d5wwr3wqkkd55qbfdykqlbq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240515-r5ab7sec88/

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

Command and Scripting Interpreter: PowerShell

AgentTesla

Malware Config

C2 Extraction:

https://api.telegram.org/bot7138223592:AAGaNuEkiprPYfXz5P6AvY3zYkFOMOtNsXE/

Unpacked files

SH256 hash:

a33eb0cc6c769b16dec43c6775683d2a2f35258c4fdbc874b35b8df79d2801b0

MD5 hash:

71175f64361dbc2584c519473781aaaa

SHA1 hash:

9d1ab0670ed095068a19bb67bc1a3151a9a303f0

Link:

https://www.unpac.me/results/3769001d-bcbe-4570-bcc2-2af84a6fb4d2/

SH256 hash:

caf9a2dc50ffaf457c01ea1caefd0c46323334533e9f807c21c236d3e7227f63

MD5 hash:

66f69e17bf8af8def9948fe226c51af2

SHA1 hash:

884c8eae05fd7b4f1976e622db2cc4d2211e5f71

Link:

https://www.unpac.me/results/3769001d-bcbe-4570-bcc2-2af84a6fb4d2/

SH256 hash:

975a454835e031a37b391a66f6fb5fd697ae369e501c6f2bce06af22a86dd2a2

MD5 hash:

fb7d3a274f7889af43e90cc2f6662d08

SHA1 hash:

68afefe7db5930e27e6f4fa9685f299bcab74277

Link:

https://www.unpac.me/results/3769001d-bcbe-4570-bcc2-2af84a6fb4d2/

SH256 hash:

e43dc9bdf0a692b0ac7b738e48346918c57f247fb7eedc7577d6054b3529cdc2

MD5 hash:

2cea53ce8d6f54c4af8ccfa806bf75da

SHA1 hash:

24dcdb902d8d251ed69b790a841871a9a5392d02

Detections:

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_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/3769001d-bcbe-4570-bcc2-2af84a6fb4d2/

SH256 hash:

3c4a62274eaf166916621a82f252b2dcdbde0fb6b477682943ef60128f0a82c3

MD5 hash:

7f0d9bf0516b5595017c12fde49cabe8

SHA1 hash:

fa8418e53e2c415d5020163f8d33fbd43df8fa47

Link:

https://www.unpac.me/results/3769001d-bcbe-4570-bcc2-2af84a6fb4d2/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3c4a62274eaf/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/3c4a62274eaf166916621a82f252b2dcdbde0fb6b477682943ef60128f0a82c3

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_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_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:	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:	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.

Delivery method

Other

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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