MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf. 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: 12

Intelligence 12 IOCs YARA 21 File information Comments

SHA256 hash:	a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf
SHA3-384 hash:	17f66c93e6dc27c6ecc6028b73911cedcfede2db0ef8b32d9f4dee225bf2395062e0c1c2b7ad4f39205da1f8da28e597
SHA1 hash:	86a6e53cadb774a48af133bcf26825d10febef2c
MD5 hash:	0927450566d7e66119e174ba3b88752a
humanhash:	october-magazine-fillet-potato
File name:	SC_TR11670000_pdf.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	710'656 bytes
First seen:	2024-02-16 12:24:32 UTC
Last seen:	2024-02-20 19:22:47 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep	12288:EBQ4W3//bAOsoLnvD6osouieOBOIFk/BJQsyf1hn1wQajj/MK7v9Q7DQ0++P:MA//bAO/21ouieOBV+BUdbwjU6r0+
Threatray	33 similar samples on MalwareBazaar
TLSH	T14EE42362A25DCB36E97C4FF390E7286823356C071475FBDABDC4A4EB1593B01C62225B
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) (4504/4/1)
File icon (PE):
dhash icon	f0d4cce830b2b230 (6 x Formbook, 2 x AgentTesla)
Reporter	abuse_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

303

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/476478/

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

SecuriteInfo.com.Win32.PWSX-gen.5079.25741.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/65cf542622703c34919ea243/reports/7d0f3f68-0d78-4726-8153-db69ad62253e/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf

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:

MSIL Injector

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/434b61b0-1f03-413e-988c-cabe09520ea6

Result

Threat name:

FormBook, PureLog Stealer

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1393446

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Yara detected AntiVM3

Yara detected FormBook

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

96%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-02-16 06:49:46 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

11 of 38 (28.95%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ve2zoy77cfzvie3h6jrn37txz5ym4nsws5xgwcd3yfjr3apyqc7q._file

Verdict:

malicious

Label(s):

formbook

Formbook

28f5c3a4a4a6340ee05d8c84b0093b16ebd7abb4f4fdf56be9e82a3b50faed05

Formbook

aba591be8db32ef7723900ffb4541610cf3c3f6f4b32c5792566d61815403aa4

Formbook

b1f1237f3bf5667bf62719cf9fd741263e1cf7a61ff92741dc6dcb801cd35378

Formbook

bd6cc17506faa8bcefc0131b2017636381df3ff71a2a58399facf165cb877140

Formbook

c1968c0ec695e8919d12559e65ffa6598009669ce84ee15a7b9190241273caef

Formbook

d948f80bf490f2dd3633d96c0c730b023984f67c45f225bf4c1e169085975293

Formbook

+ 23 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://tria.ge/reports/240216-pl731sbc65/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Unpacked files

SH256 hash:

db45c91f048f475e4fc2fdd60915c4360a9b54e7495427b4322c5033b114b2cb

MD5 hash:

51db6376d98468b832585c4e032f2d3a

SHA1 hash:

a8fa91d277a15bb73ee53c86b30d4f36309c4dc8

Link:

https://www.unpac.me/results/978c3b94-2fc8-490c-aaaf-9bd6129f499e/

SH256 hash:

b3f2bcb08ae6ed77b51186dc73ac27afc31c9e3b175914fbc7e932a053024057

MD5 hash:

8edcf081ada9f28a2722afb40ac6e099

SHA1 hash:

9a1d6568a6063fccac7eef51a12cbdaa81b82262

Link:

https://www.unpac.me/results/978c3b94-2fc8-490c-aaaf-9bd6129f499e/

SH256 hash:

ab3d870b57ffaac449078340a00ba6e0b2bd551444b1fd04fb2e26f80591f044

MD5 hash:

45e5bc690da784b17a8712f0c9d90b9e

SHA1 hash:

ee44c7590640799d7cf17e7fea505d0fea1741f0

Detections:

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/978c3b94-2fc8-490c-aaaf-9bd6129f499e/

Parent samples :
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SH256 hash:

72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628

MD5 hash:

2a8240bba06e832ee5d136a0a7e5b5b9

SHA1 hash:

de49d9b33004a4a622a4279b3ee2b3e3e5cd012b

Link:

https://www.unpac.me/results/978c3b94-2fc8-490c-aaaf-9bd6129f499e/

SH256 hash:

346f268e0e1de59df59758a61b3179d18de4dc981ec33db946f7ca201513cd4c

MD5 hash:

cd3d9a97b2fd902270dac397a815f671

SHA1 hash:

6b2cd9c371a93ef47e1b9f0c416fb6541075ba16

Link:

https://www.unpac.me/results/978c3b94-2fc8-490c-aaaf-9bd6129f499e/

SH256 hash:

a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf

MD5 hash:

0927450566d7e66119e174ba3b88752a

SHA1 hash:

86a6e53cadb774a48af133bcf26825d10febef2c

Link:

https://www.unpac.me/results/978c3b94-2fc8-490c-aaaf-9bd6129f499e/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a9359763ff11/report/overview.html

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

Threat name:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf

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

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Active Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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

Rule name:	Windows_Trojan_Formbook Create hunting rule
Author:	@malgamy12

Rule name:	Windows_Trojan_Formbook_1112e116 Create hunting rule
Author:	Elastic Security

Rule name:	win_formbook_w0 Create hunting rule
Author:	@malgamy12

File information

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

Malspam

Formbook

exe a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/476478/

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