MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8. 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: 18

Intelligence 18 IOCs YARA 22 File information Comments

SHA256 hash:	2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8
SHA3-384 hash:	817b1b3ccbbc2393f72c218614b7d7a365f8adba5fb34876584c0b277dd75e806b8ea57cbc23781e1f9fadef083fccb2
SHA1 hash:	78a6eef785a3dd42c28addbfb4cbddf1ec1496ed
MD5 hash:	915aa0727b28cb99984be97044ccc840
humanhash:	virginia-orange-mars-kentucky
File name:	2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8
Download:	download sample
Signature	Formbook Create hunting rule
File size:	727'552 bytes
First seen:	2025-09-05 13:04:56 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:NFcXSMiNUaXLZn3HVk5PhZwA1TmTrWQqeCml6fK10u8tyo7O2cFsPIrmkw/KjJKz:Hc/YXtXSnZwiUCmsfTu8t7q2cCPzkT
Threatray	793 similar samples on MalwareBazaar
TLSH	T154F4125542AAD411E1F63B751871E3744ABB7ED8BD30C35A8BEC6CDF7E22A0099503E2
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

f6a99dda62d2c7f6871e3d152ca226346e1292be7a1fb7763e58a058dbdb5121.zip

Verdict:

Malicious activity

Analysis date:

2025-08-20 12:59:01 UTC

Tags:

arch-exec netreactor formbook xloader stealer

Link:

https://app.any.run/tasks/50cab61e-8b45-4585-b3f9-4a6062af3451

Note:

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

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/25563/

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68bae039eb163e0ec18481fc

Tags:

virus micro msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/68baeae120d0ee406d96b855/reports/8a7e524c-7f99-4f98-a6a7-fb1f2b1da5da/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8

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.

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-08-20T03:34:00Z UTC

Last seen:

2025-08-20T03:34:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/1516327c-4ae9-47a4-b8ab-7d1be20f4a9b

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.24 Win 32 Exe x86

Link:

https://app.malva.re/file/915aa0727b28cb99984be97044ccc840

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8/

Threat name:

ByteCode-MSIL.Trojan.XWorm

Status:

Malicious

First seen:

2025-08-20 07:55:59 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=fneh6azvximxtrsvkz575let3ic7au3dotni2ysuah22yxbtvo4a._file

Verdict:

malicious

Label(s):

unc_loader_037

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250905-q5wd1az1ez/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Formbook payload

Formbook

Formbook family

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/04af88dd-7fed-435a-8ee7-4a7dbad74d3a

Unpacked files

SH256 hash:

00b972f1ef6dfb5d8ed0c656c43593e508b92bd15afa413d13bbff8f32bd57ab

MD5 hash:

c92e4680529b4f87d89b6587653068c2

SHA1 hash:

470eb364322d20e3cc65eea64959204feb315ae8

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/21e393a5-ef42-449f-bf8e-38d1df212ab8/

SH256 hash:

79a5aaac2b0b3ed87c0b5e6ad0522823e813a266743a34a9cecc63e6c9d7ab14

MD5 hash:

2d35a6486c5c5acd42466f87ba0df509

SHA1 hash:

a188bec4d270043b705f0918c8e5d8b4daa94ed1

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/21e393a5-ef42-449f-bf8e-38d1df212ab8/

Parent samples :
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SH256 hash:

0b7cdf9dbe6f165393c87acaad5aa65e6882b9d5c54550ef3c597737e0ad32ff

MD5 hash:

7e4ca1b335ac6a61c1477a46e04dbaad

SHA1 hash:

a2ca1a9641a0ddc668c93f5f89eac2b67ecd0f8e

Link:

https://www.unpac.me/results/21e393a5-ef42-449f-bf8e-38d1df212ab8/

SH256 hash:

4a6dff6b96cfe65bbcf689dacf26d62aa5f582a5c62c5772e1dcd8d97a444f57

MD5 hash:

3dd86b822301a8d6374ad1c7ed969d66

SHA1 hash:

3383b3170854c6c805cb96f9b0428f32e476957f

Link:

https://www.unpac.me/results/21e393a5-ef42-449f-bf8e-38d1df212ab8/

SH256 hash:

2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8

MD5 hash:

915aa0727b28cb99984be97044ccc840

SHA1 hash:

78a6eef785a3dd42c28addbfb4cbddf1ec1496ed

Link:

https://www.unpac.me/results/21e393a5-ef42-449f-bf8e-38d1df212ab8/

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

Threat name:

Suspicious File

Score:

0.61

Link:

https://yomi.yoroi.company/submissions/2b487f0335ba1979c655567bfeac93da05f0536374da8d625401f5ac5c33abb8

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:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

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

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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

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:	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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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/25563/

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