MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500. 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: 14

Intelligence 14 IOCs YARA 17 File information Comments

SHA256 hash:	927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500
SHA3-384 hash:	8756467b6a0bc4329b563779c0d70c21301826ec6813887d115b57cec48ad7e6663afa640258abc4bdafc5d945d0465a
SHA1 hash:	2bb47544134683f75cea0167ac6b59524df7cd50
MD5 hash:	026a36df02261bbaef89af87b33f7be0
humanhash:	south-jersey-fourteen-friend
File name:	Swift09980069675056335374573746MT103-PDF.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	717'824 bytes
First seen:	2023-11-30 09:46:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep	12288:Stp1E6jD/6o8W4hFp7xbSrVymfn4FkDvzP4PpBppCZDOGt2xhxopox:Qp1tD/6osjNbQfn4uzgPDpQ5tyhxe
Threatray	3'622 similar samples on MalwareBazaar
TLSH	T194E41226A7ED5B6FE93B97F46510C11487F2AC2E5176E3282D80B2CB4676B005F21F63
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter	Anonymous
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

327

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/461373/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.2548.10739.17384.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Sending an HTTP GET request

Reading critical registry keys

Sending a custom TCP request

Setting a keyboard event handler

Stealing user critical data

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500

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/950ae107-9385-42c7-87e6-90201258560a

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1350458

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

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

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)

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 Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2023-11-29 11:50:10 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 23 (78.26%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=sjzhh57fqbby3gbk22snpu2u7hgmp3kuwvevswuaqprs5an2uuaa._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Formbook

5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369

Formbook

5bd3f5d12690c59a0b40566fdc674310f02d4e19d6a6c6dba23b71854872d1fd

Formbook

f965267c9355d56472408f903ba9ddfea146c796a561426eac3ec35c46857a7d

Formbook

+ 3'612 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/231130-lr7gwsad6t/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Unpacked files

SH256 hash:

aec0042dc49124844e9c0f5b6206cd3073620dd4d98e1b62e90d9bb4a93a5e5d

MD5 hash:

6619741d31fae1a7914749328962d712

SHA1 hash:

d9c882d454364286cabdfa8ff2879d517992aa30

Link:

https://www.unpac.me/results/5fafbac5-e17b-4aee-b477-2cb07e56e2b6/

SH256 hash:

d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5

MD5 hash:

579197d4f760148a9482d1ebde113259

SHA1 hash:

cf6924eb360c7e5a117323bebcb6ee02d2aec86d

Link:

https://www.unpac.me/results/5fafbac5-e17b-4aee-b477-2cb07e56e2b6/

SH256 hash:

3da3723b138d4580ed2038ff49d892231a70dd8f3031dd143b0846a4f05240ce

MD5 hash:

dfc1def464de5859347b1c3dcca190ce

SHA1 hash:

94c552839f26dabf92e10b7c8d83a437e0500155

Detections:

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

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

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

MALWARE_Win_AgentTeslaV2

Link:

https://www.unpac.me/results/5fafbac5-e17b-4aee-b477-2cb07e56e2b6/

Parent samples :

f965267c9355d56472408f903ba9ddfea146c796a561426eac3ec35c46857a7d
5bd3f5d12690c59a0b40566fdc674310f02d4e19d6a6c6dba23b71854872d1fd
5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369
927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500
1c6dffa90d393fdcc2db9e1cf8af2c557129bb4afadb04d87969ad3edd10ffc3
cb3cd1f7db0ac8ef966e513358935676673bd972b8baad11ef0f2a8bfdb9cbe4

SH256 hash:

e88a0ecd8a546b81993a01d5b181a76b677fd22489b221456dbce358202947e1

MD5 hash:

384cfbef6fbbdbead98fc4cca80b3366

SHA1 hash:

850cb66538638faaf0b02be400c68e6de7ec873c

Link:

https://www.unpac.me/results/5fafbac5-e17b-4aee-b477-2cb07e56e2b6/

SH256 hash:

927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500

MD5 hash:

026a36df02261bbaef89af87b33f7be0

SHA1 hash:

2bb47544134683f75cea0167ac6b59524df7cd50

Link:

https://www.unpac.me/results/5fafbac5-e17b-4aee-b477-2cb07e56e2b6/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/927273f7e580/report/overview.html

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

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500

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:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

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 artifcats 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:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

exe 927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/461373/

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