MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fad7200fb72b038fcdd718e5503d6b7490619757cea637feb41caf8de79f7705. 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: 16

Intelligence 16 IOCs YARA 19 File information Comments

SHA256 hash:	fad7200fb72b038fcdd718e5503d6b7490619757cea637feb41caf8de79f7705
SHA3-384 hash:	fe42d3bb64b2d931c5c7ba5b05a0c9e69a5fc0c30774a83935fc5bb9595351c261b3db482697339cb30fa2533b9228c1
SHA1 hash:	9da18003d6eb3366908490b1271354bd1f368ce5
MD5 hash:	4324f814f8806f9ecc02071a13afe7b3
humanhash:	batman-muppet-mockingbird-magnesium
File name:	231210-06-AgentTesla-9da180.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	252'928 bytes
First seen:	2024-07-24 12:11:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	3072:IzSA6i3tYgoQIS0OdEPLmUQ67tc7e4Koav5u/EO5PU6bi:cSA6uYgoQIS0OWPLzD7tciTzeEOl
TLSH	T191341F037E48EB15E1A87E3792EF2D2413B2B0C70773D60B6F49AE6518516426C7E72D
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	Anonymous
Tags:	exe FormBook

Anonymous

this malware sample is very nasty!

Intelligence

File Origin

# of uploads :

# of downloads :

320

Origin country :

Vendor Threat Intelligence

Detection(s):

Win.Packed.Msilperseus-9956591-0

Win.Packed.Generic-10003641-0

Win.Packed.Generic-10011753-0

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66a0ef9c6f74caeb2f89b65c

Tags:

Discovery Infostealer Network Stealth Heur

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Sending a custom TCP request

Creating a window

Setting a keyboard event handler

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

89%

Tags:

agenttesla anti-vm evasive fingerprint hacktool hook keylogger lolbin remote stealer vbnet

Link:

https://www.filescan.io/uploads/66a0ef9a4c5c17942a7cc97f/reports/652013fd-b0b4-41c9-ba26-d769332d50d1/overview

Verdict:

Malicious

Labled as:

Trojan.MSIL.Basic.8

Link:

https://www.hybrid-analysis.com/sample/fad7200fb72b038fcdd718e5503d6b7490619757cea637feb41caf8de79f7705

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/5f301003-658a-42cf-8cf7-27fe6de16a05

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1480032

Signature

AI detected suspicious sample

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

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)

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 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 the Telegram API (likely for C&C communication)

Yara detected AgentTesla

Yara detected Generic Downloader

Yara detected Telegram RAT

Yara detected Telegram Recon

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fad7200fb72b038fcdd718e5503d6b7490619757cea637feb41caf8de79f7705

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/fad7200fb72b038fcdd718e5503d6b7490619757cea637feb41caf8de79f7705/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2023-12-18 01:37:55 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7llsad5xfmby7toxddsvapllosigdf2xz2tdp7vudsxy3z47o4cq._file

Verdict:

malicious

Label(s):

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla credential_access discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240724-pc65csybrb/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

System Location Discovery: System Language Discovery

Looks up external IP address via web service

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

Credentials from Password Stores: Credentials from Web Browsers

AgentTesla

Malware Config

C2 Extraction:

https://api.telegram.org/bot6488735902:AAFjq98r8SzTcc0BHWZQiLUk749fQ78ULos/

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/2b071da9-27bf-4c18-ae50-0c62e10055e3

Unpacked files

SH256 hash:

fad7200fb72b038fcdd718e5503d6b7490619757cea637feb41caf8de79f7705

MD5 hash:

4324f814f8806f9ecc02071a13afe7b3

SHA1 hash:

9da18003d6eb3366908490b1271354bd1f368ce5

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/3d1b95b4-27ce-409f-8a27-8e149f93a264/

Parent samples :

7c57d141f4c57d4ab30efd69206dc0a236ed915b2dbc437a9305b860e66e8a3c
fad7200fb72b038fcdd718e5503d6b7490619757cea637feb41caf8de79f7705

Please note that we are no longer able to provide a coverage score for Virus Total.

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:	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.

Malspam

Formbook

exe fad7200fb72b038fcdd718e5503d6b7490619757cea637feb41caf8de79f7705

(this sample)

Link

https://bbs.kafan.cn/forum-31-1.html

Delivery method

Distributed via e-mail attachment

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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