MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1. 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 22 File information Comments

SHA256 hash:	3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1
SHA3-384 hash:	4e9b9746d403f8921825a3953fccc0d5cbabab6a08ae5c228d9fd831e585e34f0c8a9e1c373faaec202e9f06226b8975
SHA1 hash:	c5fcc4e5d9936dd28b13d81dd8f51bcdab294f94
MD5 hash:	cd3ec269704050b2ef952e8d68d9e011
humanhash:	low-four-winner-lion
File name:	SecuriteInfo.com.Trojan.Inject4.59820.21926.10504
Download:	download sample
Signature	Formbook Create hunting rule
File size:	579'584 bytes
First seen:	2023-10-31 19:25:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep	12288:p8i69yqL86aK8aP5MwXz631piSjEOyidgdMCNcEjv9l3HIbk:T6XCK24zE1p94dFcGFl3HIb
Threatray	166 similar samples on MalwareBazaar
TLSH	T127C41345BAB69F02C97D96F10AE180102377556F9631EB9E3D8D22DE06B2F5C0736A83
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	c4c6a2202e223684 (12 x AgentTesla, 8 x Formbook, 2 x Loki)
Reporter	SecuriteInfoCom
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

357

Origin country :

Vendor Threat Intelligence

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/457446/

Detection(s):

SecuriteInfo.com.Trojan.Inject4.59820.21926.10504.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Searching for the window

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/654154ce0ca0b0185171f320/reports/27e0302a-5590-4bf9-8e58-f274e9637224/overview

Verdict:

Malicious

Labled as:

Barys.Generic

Link:

https://www.hybrid-analysis.com/sample/3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1

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/e6951428-a0f8-4aca-86bb-947e7b7e0fed

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1335067

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

Malicious sample detected (through community Yara rule)

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/3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2023-10-30 17:19:41 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gedkwylnzcjlipentqukt7e7qoz6iz3llzhgdxan3f52xdlaolqq._file

Verdict:

malicious

Label(s):

formbook

Formbook

982a9a52e532bbfe52941c4ab95c2899c1af75e9a3eee2b1977e3f49e8a3e71e

Formbook

a40c92a00ca0f04cd04883d555859cf2c8e884a01329defd3631c7cc61204ff8

Formbook

b06fa82f10d2120f00f919b03f578f97a3daa9f670a2bbd01749e3b573fb0315

Formbook

b25ef1900e652bb134050946db0e2b68db9eb5afe55e93db3fddca8897498048

Formbook

b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65

Formbook

bbcaa127862b5b70b5a833b3136f431c03a9165dd0a4646ba78922ebcc7ebdc3

Formbook

c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61

Formbook

+ 156 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:cc73 rat spyware stealer trojan

Link:

https://tria.ge/reports/231031-x5hlgafa34/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Formbook payload

Formbook

Unpacked files

SH256 hash:

85742944caaebe01cf4101666af159c0dfa0c83af58b822712ec304d5c3d9216

MD5 hash:

91188c3915c320085050b9835be0d98f

SHA1 hash:

f69e069eb750d05308fa45140021b2c4cbd188c4

Detections:

FormBook

win_formbook_w0

win_formbook_auto

win_formbook_g0

Link:

https://www.unpac.me/results/af037368-20eb-4130-a6f2-17096b320d6c/

Parent samples :

93bc82b99ec0339576f7f93e026ee2dc33b8bdddd99b2addca44e5cbde6b59f8
3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1
81f680191094ca2497c7798b37b83009157a7201dc0f27839c2860d5eb968fd1
38049c6c8b70728eee0ec280abd6bef7a3eecc10a0ae541bcda4b6f3312d4bc9
6aeb335b3a8c4506ba69d98007266a0210930cddabc6d3fe6b6c0a28e59ae7db
5c0b363499da0abc5bfe5213d4ccff6ecf5f4b8d2ba2bc6b143f3a79c135e0ce

SH256 hash:

797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329

MD5 hash:

3c927935fbd608e7628cc2c5ad7d52fd

SHA1 hash:

ee0c880c0614ac960fd641f7d479233584aed1d8

Link:

https://www.unpac.me/results/af037368-20eb-4130-a6f2-17096b320d6c/

SH256 hash:

b6d7f4ac563f1ed468cea531d38fe0a20e366c08c8c2968f476cc9f1d31adb3a

MD5 hash:

2cde65b12f3292e7914c0cef7f9cf9b6

SHA1 hash:

ed5e560a9ac1c15b94ac58e5ae96547df55b4df7

Link:

https://www.unpac.me/results/af037368-20eb-4130-a6f2-17096b320d6c/

SH256 hash:

c8949df19620a6055d2796a9c351769bc18ddc39e6a421524f1ae5f6edb29cf4

MD5 hash:

890dd869e7aaa748c35ad2c08883e51b

SHA1 hash:

aed144d61878f6df072edbcf02abfbbe7b3e28f4

Link:

https://www.unpac.me/results/af037368-20eb-4130-a6f2-17096b320d6c/

SH256 hash:

3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1

MD5 hash:

cd3ec269704050b2ef952e8d68d9e011

SHA1 hash:

c5fcc4e5d9936dd28b13d81dd8f51bcdab294f94

Link:

https://www.unpac.me/results/af037368-20eb-4130-a6f2-17096b320d6c/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3106ab616dc8/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/3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1

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:	Check_OutputDebugStringA_iat Create hunting rule

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

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:	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:	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/457446/

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