MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5. 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: 13


Intelligence 13 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5
SHA3-384 hash: 8c583cd3fb58465cb15e110dea422343e08a864ec057a310401cef1dcbdbdad49667d102b99dd228a5b2dd58a2848281
SHA1 hash: 9735ada4eb636cfab2b59d07848c7a630dfef679
MD5 hash: f41bb4ae3540b6bdf589af358814224a
humanhash: mobile-fruit-quiet-delta
File name:08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5
Download: download sample
Signature Formbook
Create hunting rule
File size:1'255'936 bytes
First seen:2026-02-05 16:10:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (376 x Formbook, 117 x AgentTesla, 58 x a310Logger)
ssdeep 24576:t5EmXFtKaL4/oFe5T9yyXYfP1ijXdaeGrH0T60D2YAiSvp:tPVt/LZeJbInQRaeeh42jiS
TLSH T11345CF0273D1D062FFAB92334B5AF6115ABC79260123E62F13981DB9BD701B1563E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6c7b17be-79d7-4760-bc38-b5979ff3ea8d/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/52374/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6984c10f117f8ed80109df18
Tags:
autoit emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script evasive fingerprint installer-heuristic keylogger lolbin microsoft_visual_cc mmc packed wuauclt
Link:
https://www.filescan.io/uploads/6984c0ec930564ff3c8d3de1/reports/f35cb6ad-8564-4063-a849-ca60bd2e0a70/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-29T12:57:00Z UTC
Last seen:
2026-02-04T10:12:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29bcc815-e270-412d-a7d5-8ee9a5fd440e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5/
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-01-29 16:36:27 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
27 of 36 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bdi3rogjtxsonjgqipmqasvbkqeiiuzwcfafexkwe3k33hesqgsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260205-tml96ac19d/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5
MD5 hash:
f41bb4ae3540b6bdf589af358814224a
SHA1 hash:
9735ada4eb636cfab2b59d07848c7a630dfef679
Link:
https://www.unpac.me/results/c7fa8718-c911-48ad-979a-457aa5403147/
SH256 hash:
333440f1ec3ee5d6b5cb6dcad3e08fbb4b94e1bbd9ecb866b01d7e9b27749f71
MD5 hash:
cf6c3ab5ffdf60532336db0677ec676e
SHA1 hash:
0d3e6f1f52050b075331b5660e0c0eb154a85311
Link:
https://www.unpac.me/results/c7fa8718-c911-48ad-979a-457aa5403147/
SH256 hash:
6de8e7b8b4aeb1b9fa68a57029c25aa004478a808877036f3de2ec526b130959
MD5 hash:
c765ef9ec487f57f232a03ae1addcc16
SHA1 hash:
1bbdd8f976a1f08c70d703245d6d6e2775f7a38c
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c7fa8718-c911-48ad-979a-457aa5403147/
Parent samples :
901891aee909a9e9c4deccca42311c0b7b5aaedea79082512b6e81db2f2e4323
11ac85099031a8d3c666ae8295d1b36a0115bd9b3c319481ee7f39450613054a
a21cea52a66cb02df71c42492bf7acf4d6393327fc9cfc20a7dbf246477df853
ca1d88d18d99a6f7f3fbe805327a369ba75594669c02d8f86e30f1ad8c56a2b4
0cc5a2fd9f73331cd37bef1667d4057e325c098602c61de8aa3a94cfe08cc519
ccb84b327afb07bccbe3367be35abe53ccb8f0ad9a815bb098e30029387def10
8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952
60cd8949dd366aa94383409dde4e7840d85db4f2cea2eef7f773b9fe2d36bc68
544c6d4ae8075826b97fd416d9ff441989a785bf3e945851494d0db18728f604
9fc9401b548091b02b74da0ea58aa279db23c47c5ab2bfaacea4605df89d511d
750d0ef6eaaac00190a10d38493cf765fcb9a9076ecf4d52ca356af4a650585f
626bb341a8d9ec79994bc12565a9f3c4c6944dc79ba65d66aa35fc9d9ff7e5f4
580d879e602682dd79ce48481acd26611082d62ad3174a09813e84bd5b5a85f7
a645aaf0e366733a5596a6d86d7163f3fac212c14111f0afaaeaf974b60bd962
08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
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__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: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: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:pe_detect_tls_callbacks
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:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
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
Cape
https://www.capesandbox.com/analysis/52374/

Comments