MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c. 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 17 File information Comments

SHA256 hash:	ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c
SHA3-384 hash:	73ef3945f9a26f55573eedae6473cf9b732f5a5cf92019b4c3b696bc2dd51457964cfb91c6e30ade2b1cafbb61626574
SHA1 hash:	e243c141f412fdebbd8aa3233106c7220bd9aca6
MD5 hash:	0912ee2e08bfbbe2527e14883b0de4dd
humanhash:	lima-hawaii-lactose-charlie
File name:	inlawBtyja.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	2'521'600 bytes
First seen:	2024-04-07 13:54:15 UTC
Last seen:	2024-04-07 14:28:21 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	49152:cFTivkP8dDnQ8b9/F45WV/cHriZzjwQ7JweQcpnD+4ulR:8Ti3dDnRbT45WVyuZzjDJFQctD72R
Threatray	4'139 similar samples on MalwareBazaar
TLSH	T17BC51203B65787B1C288177AC6D7150413B1E98EB6A3E70B798BA3E50E637BB7C41613
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	malwarelabnet
Tags:	AgentTesla exe FormBook zgRAT

Intelligence

File Origin

# of uploads :

# of downloads :

366

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c.exe

Verdict:

Malicious activity

Analysis date:

2024-04-07 13:59:03 UTC

Tags:

evasion stealer agenttesla

Link:

https://app.any.run/tasks/4b0e1c5e-9bba-4add-8de9-96be4916e325

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a process with a hidden window

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

Sending a custom TCP request

Creating a window

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Stealing user critical data

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

net_reactor packed packed

Link:

https://www.filescan.io/uploads/6612a5b808ebdfcacdfd7e16/reports/db46002a-bd4f-424b-bde3-2e95b43f4397/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c

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/acf3af16-38de-4011-9a6c-35de0792513b

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1421530

Signature

Check if machine is in data center or colocation facility

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

Found malware configuration

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 Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Costura Assembly Loader

Yara detected Generic Downloader

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-04-04 20:06:52 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=v2jignwxl35yfchzu3b7uliht5fmrkt2u45oewnoigtnexeefjga._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Formbook

c0b6adfcdd28e92ed598fe851e647c6f12bb7ea6c50592e16864898143eae76e

Formbook

c4e8c058d4f4a9976ca89a275963e6c4e2b3a2a7e90ad2dd095e173c2f5859bf

Formbook

ef77ad07ee8b36ca0270d922b24d2c4bf9e488edf896ee0801c0e4e270c32c6d

Formbook

+ 4'129 additional samples on MalwareBazaar

Result

Malware family:

zgrat

Score:

10/10

Tags:

family:agenttesla family:zgrat keylogger rat spyware stealer trojan

Link:

https://tria.ge/reports/240407-q74s6aed64/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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

AgentTesla

Detect ZGRat V1

ZGRat

Unpacked files

SH256 hash:

133642dc5efc168cd701a25af7a053f314064aa0f4a3635497f5197ad28a1679

MD5 hash:

9fb8dc52703de070df6cd550d150178a

SHA1 hash:

ca9088e839371f075cc286bc8dfcd78265fbb835

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_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/a164ff66-9659-4c97-9eb0-3e4ac27bf988/

Parent samples :

2acfd8d4eea4f684b15f28d933afb2ec79f3978cdc603ea29cfb2d9844dfbb60
ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c
35b3427883c0b04f7b8be643ae1d4403e1908bae3fb09c1965a560e2bf63b3fb

SH256 hash:

2df21373b603adbe4c118e539fc93e26378bc89ff3a37b1c323297375424749d

MD5 hash:

ea718834a216fb28a656f19a34bb373f

SHA1 hash:

9d82b3a36218939d3b28cd080c0d0ad3f88e6577

Detections:

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_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/a164ff66-9659-4c97-9eb0-3e4ac27bf988/

SH256 hash:

68a831a974d9cceab72cfd17b08e6c21f7a76cba623365a0446dd6d3e81b9b80

MD5 hash:

496c38aa3cdd6d23769bb3a963269158

SHA1 hash:

7c95e3602e6d158519f3133ffd84196717aacc5b

Link:

https://www.unpac.me/results/a164ff66-9659-4c97-9eb0-3e4ac27bf988/

SH256 hash:

a5e16aef204fe06b9c3ae52a36ff97dfcab9c79c7a1dd10df83649b880cc7047

MD5 hash:

4ff8e595fbfdece2860e66f84f53e1a2

SHA1 hash:

71edf8ed43eb8b41d0c83403f4ee7c4c5f4afca7

Link:

https://www.unpac.me/results/a164ff66-9659-4c97-9eb0-3e4ac27bf988/

SH256 hash:

acb9b8dea243b01c52b27620d11f33a516b0aa72cff20ee90cda57c1252f6f70

MD5 hash:

e610535b71b2aa567c752f3e92c7f2ae

SHA1 hash:

06fbc0bd986e13bb04d62cd6964be8cc40a4bef7

Link:

https://www.unpac.me/results/a164ff66-9659-4c97-9eb0-3e4ac27bf988/

SH256 hash:

ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c

MD5 hash:

0912ee2e08bfbbe2527e14883b0de4dd

SHA1 hash:

e243c141f412fdebbd8aa3233106c7220bd9aca6

Link:

https://www.unpac.me/results/a164ff66-9659-4c97-9eb0-3e4ac27bf988/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ae928336d75e/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/ae928336d75efb8288f9a6c3fa2d079f4ac8aa7aa73ae259ae41a6d25c842a4c

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:	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_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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