MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b. 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 19 File information Comments

SHA256 hash:	4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b
SHA3-384 hash:	010cc9ff8e8a4741f8c884094f29bbad31ae8ac6fc40297149ad316593d73bd69a189e8d577abbe5c65ccfeb74efc21b
SHA1 hash:	95d2afb270904f7de7ac069d2813c84a958cf25d
MD5 hash:	872960a28af5279283de5a647aa1f2fc
humanhash:	tennis-cardinal-ack-cardinal
File name:	RFQ -NW88867799070225.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	945'664 bytes
First seen:	2025-07-02 09:55:09 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:q6PKI7wfkBSrfIp5To2C0PEQWejJilNpmFNhbc9BfDW0Xup4Gy14Gy7NdQJ4e:qdI7w88rfIw2HWeInqNpc9BMDy87b
Threatray	11 similar samples on MalwareBazaar
TLSH	T10415D02833A9DD42E4B61A7D4526C27123B5B99A355BD38C4CC168EF3EE772107432AF
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	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

rl_4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b

Verdict:

Malicious activity

Analysis date:

2025-07-02 10:23:59 UTC

Tags:

netreactor formbook xloader

Link:

https://app.any.run/tasks/49e85651-e8e5-4169-8ff8-5730dffdc0b0

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/11986/

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6865020fc9eb974737655a78

Tags:

virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Сreating synchronization primitives

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 bitmap obfuscated obfuscated packed packed packed reconnaissance roboski stego vbnet

Link:

https://www.filescan.io/uploads/6865020a714e106cecb9bc58/reports/04881c2d-ff54-4058-8a94-5a9c1483f492/overview

Verdict:

Malicious

Labled as:

Genie8DN.Generic

Link:

https://www.hybrid-analysis.com/sample/4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b654b6fc-df91-4f44-ae2a-ec3f298746a4

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) Win 32 Exe x86

Link:

https://app.malva.re/file/872960a28af5279283de5a647aa1f2fc

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b/

Verdict:

Malicious

Threat:

Win32.Trojan.Genie8DN

Link:

https://tip.neiki.dev/file/4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b

Threat name:

ByteCode-MSIL.Trojan.Genie8DN

Status:

Malicious

First seen:

2025-07-02 05:19:45 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jsgojp65ztpirstpgg667w47ujvqx36qwv5shmu3kcyatngwhmfq._file

Verdict:

malicious

Label(s):

unc_loader_037

formbook

Formbook

49f8c46a38d820ce77735d2787c03264ef3da16ff40167353610249ddf9717be

Formbook

4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b

Formbook

6b6bb5c659fbba869f5acc145f92694b1b50af82e1772d30377045e2be5601f4

Formbook

71061c247762961b52c05043f9aad7acd24d6be55da97b79136685dc8d71fbcc

Formbook

c401d93c025614d076cdc77495da4b3e534557b4d3054ddec1321b5ed821c7b1

Formbook

error

Formbook

fae7e35584a2df9dffeab985c2b6128609a35ff7eb7d994b6295e8a3bb5817ed

Formbook

+ 1 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250702-lxzn8sbl2v/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/01224336-ed90-4668-80b7-52d828734c4a

Unpacked files

SH256 hash:

4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b

MD5 hash:

872960a28af5279283de5a647aa1f2fc

SHA1 hash:

95d2afb270904f7de7ac069d2813c84a958cf25d

Link:

https://www.unpac.me/results/1d2203b1-a7dd-4bda-8c7d-2d5255940a31/

SH256 hash:

50ef00e8c45b2401257c35a6b1940696fc87131fd6f2352228cf0e224e25b62c

MD5 hash:

066852858980944bf3ddbd5f06f1c47b

SHA1 hash:

1779996569b3a073f4c9d3ce22671da5f73fbce8

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/1d2203b1-a7dd-4bda-8c7d-2d5255940a31/

SH256 hash:

59b12fa2f87bb41dcb7edb862622dda6e5b93cbc6dd656de1dfe85a681e6aaa0

MD5 hash:

248f89b8e4ac884526ba9dc67ba62e79

SHA1 hash:

3063bdc24459148094fd5d5f1244c3a741833010

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/1d2203b1-a7dd-4bda-8c7d-2d5255940a31/

Parent samples :

19dd29a867f42b43c43e256e31b8a13b48cb322d2bdd412f8184f79d97144ab1
91351b629c068a7a43395c58e3e0ddce96e33bd7519bbc7358dc32a3173fd533
4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b
0938cc6c218174877d4271cf4182449cbd4b0ebe6f4ac2b998ed8f80f14b6d5b
1826e61ce9790350a2e81f89d3dedb33b72b0a91d19907b371ea8c2a7219efe8

SH256 hash:

c948202ccfcf18e389b3e54a287e48cd350412a528455b59ba4800db990432f6

MD5 hash:

5c5f566c44690a09f19d6ec7cfc0636e

SHA1 hash:

4f938ac31db57049b256844e7d0ac715d04008ca

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/1d2203b1-a7dd-4bda-8c7d-2d5255940a31/

SH256 hash:

0af4633e9287dbf6b791e4e6f62d5d7f7a666527d4e8370686a14e8c07b078de

MD5 hash:

a3154ec690bc4b9f24f5e329a3e79d22

SHA1 hash:

aacf0ead1f8bddcc731c8f7ec2dc155c61e6888a

Link:

https://www.unpac.me/results/1d2203b1-a7dd-4bda-8c7d-2d5255940a31/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b

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:	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:	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.

Malspam

Formbook

exe 4c8ce4bfddccde88ca6f31bdefdb9fa26b0befd0b57b23b29b50b009b4d63b0b

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/11986/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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