MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0. 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: 16

Intelligence 16 IOCs YARA 19 File information Comments

SHA256 hash:	45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0
SHA3-384 hash:	20b5a726d9566e92be08175796b80d23038f3b607478b7bba2eb93b7b9f585d3b32fc1a0a9371d85deb2d0efc933fdb2
SHA1 hash:	7f491a5cf19fe5567228c316d3f723b06da53cf2
MD5 hash:	683406243f6cb2b92bcbc4ad4dbf622d
humanhash:	don-beer-golf-sixteen
File name:	45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0
Download:	download sample
Signature	Formbook Create hunting rule
File size:	902'144 bytes
First seen:	2026-02-05 15:18:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'692 x Formbook, 12'274 x SnakeKeylogger)
ssdeep	24576:W8fOClCd6BTuPI60jSu50NTY7J4+MMDaHGFkr:ROClCdPIhjSEGTHyaHKW
Threatray	2'834 similar samples on MalwareBazaar
TLSH	T16E150144375FDB23C5290BB80860E27517792E9FEA01E2069EE8BEEF7971F014D50A97
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika	pebin
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/f9068ba0-7124-4056-ba93-1a3d2bbe57b4/

Malware family:

formbook

ID:

File name:

45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0

Verdict:

Malicious activity

Analysis date:

2026-02-05 17:42:53 UTC

Tags:

formbook stealer xloader

Link:

https://app.any.run/tasks/b8e83218-a86b-4ddb-ba37-e57836e5740c

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/51982/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6984b4cfae5379bb6609c2bc

Tags:

infosteal shellcode shell virus

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-01-19T01:27:00Z UTC

Last seen:

2026-02-02T09:59:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/65a6752d-5f80-4889-9100-210425204a5e

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.49 Win 32 Exe x86

Link:

https://app.malva.re/file/683406243f6cb2b92bcbc4ad4dbf622d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0/

Threat name:

ByteCode-MSIL.Trojan.PureLogStealer

Status:

Malicious

First seen:

2026-01-19 07:41:46 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 36 (63.89%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=iwmx3tadzt7gq76fbhsoncdbjmczkzsxpzi5odaywb6skctq4oqa._file

Verdict:

malicious

Label(s):

formbook

Formbook

27541e7a2b03816dc453852b1251e72fae6e6081984e94248d3edb7e13c780e6

Formbook

41e4dd0218aed625e7883bd3dbe43a95796360bda2e2b7fcf020af9fe5e1f1dc

Formbook

4f6f49d76b427ecd1df55d94a028a143e1f3795c938c0612ec546775395fb130

Formbook

69ae2e849e4b148f879630ae9e3a4f991602cc6a658dd732dd775c31839d69ce

Formbook

c34753d6a802dcb3570354a7ecc7e930d957a28cca0d63e698ac0c0cbe67e6cc

Formbook

da99e5e90a490e93120bd11d5bdb6226ad5e6fa21c10d5514b97d09b56dcc403

Formbook

ebc963782a30a3e6cc360a6e4fda16d2acac2de13ee0d8db863082e699dabd5a

Formbook

f05c22a1efc4ae70839768e6d0d22057eadd708c8da4e3fc8de7376267e8bca4

Formbook

+ 2'824 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:n43s discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/260205-spsdhshy3g/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

SmartAssembly .NET packer

Suspicious use of SetThreadContext

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Formbook payload

Formbook

Formbook family

Unpacked files

SH256 hash:

45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0

MD5 hash:

683406243f6cb2b92bcbc4ad4dbf622d

SHA1 hash:

7f491a5cf19fe5567228c316d3f723b06da53cf2

Link:

https://www.unpac.me/results/dc9110b9-5a29-4be5-ade7-38a6488f77a8/

SH256 hash:

f615401d5efc42d4beffda04a66562640a02abdeef8f82a788cb1041efc94880

MD5 hash:

946f9bba7c596fb91e59f0d174ac0c58

SHA1 hash:

37b373e410875dc266b266c7fee1ef77a36f1d85

Detections:

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/dc9110b9-5a29-4be5-ade7-38a6488f77a8/

Parent samples :
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SH256 hash:

09193fd51b19bfa8f4fa088ea178f154ead8f5620a12dbd01c3e47d13158f4c8

MD5 hash:

5bb437f8f1234b1a3d3cf03582c97b9d

SHA1 hash:

4e9c6d64fe6edbf1fa90177a8be235d1ede0d6d8

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/dc9110b9-5a29-4be5-ade7-38a6488f77a8/

SH256 hash:

6e3ca70933e335e3b0051efb31c55eda821ea00a0cdff5d1f530fe2dfda77081

MD5 hash:

5230571ce1c28e53e351bd1b89dc5d26

SHA1 hash:

b9ae653619f2e7ba8ec3b645f9facd347e53bfd0

Detections:

win_formbook_w0

win_formbook_auto

win_formbook_g0

FormBook

Windows_Trojan_Formbook

Formbook

Link:

https://www.unpac.me/results/dc9110b9-5a29-4be5-ade7-38a6488f77a8/

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/45997dcc03ccfe687fc509e4e688614b059566577e51d70c18b07d250a70e3a0

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:	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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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:	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:	TH_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection Rule - 2025
Reference:	https://cyfare.net/

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/51982/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample