MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af. 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: 15

Intelligence 15 IOCs YARA 22 File information Comments

SHA256 hash:	baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af
SHA3-384 hash:	f3a5f33cc85b9f106e6adc05eff8f9118bf8dee6e70a7f8748ca03b798384a360cbf5ab4101852729edadcabce5acad2
SHA1 hash:	5b7f4db4a7b68cdd800ec278552c6b3db8f2dd08
MD5 hash:	c1f49ab7f8c4cb4a997faebd51d2a604
humanhash:	magnesium-sixteen-beer-comet
File name:	SecuriteInfo.com.Win32.PWSX-gen.14716.17790
Download:	download sample
Signature	Formbook Create hunting rule
File size:	551'424 bytes
First seen:	2023-11-22 07:16:23 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:by8oOJi05VRbJadqOCljbsofE4SuDhodDYGWrvmS5uD1we2n7q:bFpJJVbJi2jrfFScqD8mSXDq
Threatray	396 similar samples on MalwareBazaar
TLSH	T176C4230119E4B363C1AD93B24D9904A547A6F52F6D90F75E4AC9E1BD9C32F20CC293BA
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)
File icon (PE):
dhash icon	15cce4f4d0d8cc53 (12 x Formbook, 5 x AgentTesla, 3 x RemcosRAT)
Reporter	SecuriteInfoCom
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

333

Origin country :

Vendor Threat Intelligence

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/459669/

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.14716.17790.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Gathering data

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af

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:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3256021c-8691-4a27-bf62-4f088e1f59c6

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1346280

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Tries to detect virtualization through RDTSC time measurements

Yara detected AntiVM3

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2023-11-22 05:56:23 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 37 (59.46%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xkrojpeve7b3cipwtz6vqe2e6j5txdh3xbtyk7s5fshhw3tnaoxq._file

Verdict:

malicious

Label(s):

formbook

Formbook

8195afbce4ef411cd0b1ac7cc27e3d66b575df16a5433b60aa0e7a3529f465ef

Formbook

87c143225cbd6a7ade7b75353db06c18ec3a991b8db39c067c7028d33ec9d48c

Formbook

baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af

Formbook

e82835d8472582cb801c463929cfd06f756dd80d276544a8e1a8e4f556d05c80

Formbook

+ 386 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:vl53 rat spyware stealer trojan

Link:

https://tria.ge/reports/231122-h4c72aah63/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Formbook payload

Formbook

Unpacked files

SH256 hash:

f0c6df38f613073f11d26aea44189977b1dc3932160a841bc6ce73b4999df3fd

MD5 hash:

1b5529fe8980205fa1169e7ecd4487a0

SHA1 hash:

6bb4f17912e958ca8ec3165d6023af93019c9278

Detections:

FormBook

win_formbook_w0

win_formbook_auto

win_formbook_g0

Formbook

Link:

https://www.unpac.me/results/a0a60bff-8654-48eb-8321-057f162ef8ee/

Parent samples :

87c143225cbd6a7ade7b75353db06c18ec3a991b8db39c067c7028d33ec9d48c
baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af
5d4ef95e2d68ad71b54c79a6a8fcfdee4d64ac4187e30a9b8523e0dc6cdedd10

SH256 hash:

186bc47f84bd549cd52598955cdb159efc8f11c6c04ab3d72b42f2e85aeb7669

MD5 hash:

46f31ce406879d3fa817588414d40997

SHA1 hash:

86724872ac35ec0a7f2ba704c9ccb5b6120384f5

Link:

https://www.unpac.me/results/a0a60bff-8654-48eb-8321-057f162ef8ee/

SH256 hash:

ad37e58355fc2e3b7501d9992d97d4ec47c465093b9afc518232c77da476cda3

MD5 hash:

e4f6ee1e5a8addcec401cd2cb2552500

SHA1 hash:

7ad49edb813b0c4da3a7b383c8f8d7b22faec040

Link:

https://www.unpac.me/results/a0a60bff-8654-48eb-8321-057f162ef8ee/

SH256 hash:

191209803f252085252b4a303f34597575a65a8d37806ae9caff89abeed7e61a

MD5 hash:

5bbee00bde67a3de02ba2e683cdee53c

SHA1 hash:

3be06aea18cfc0518faa053c7fc17afbee7e34d4

Link:

https://www.unpac.me/results/a0a60bff-8654-48eb-8321-057f162ef8ee/

SH256 hash:

baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af

MD5 hash:

c1f49ab7f8c4cb4a997faebd51d2a604

SHA1 hash:

5b7f4db4a7b68cdd800ec278552c6b3db8f2dd08

Link:

https://www.unpac.me/results/a0a60bff-8654-48eb-8321-057f162ef8ee/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/baa2e4bc9527/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/baa2e4bc9527c3b121f69e7d581344f27b3b8cfbb867857e5d2c8e7b6e6d03af

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:	NETexecutableMicrosoft 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:	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_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.formbook.

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.

Cape

https://www.capesandbox.com/analysis/459669/

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