MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952
SHA3-384 hash: 46e0a52a33abb6f538861316cf2bba3ede82c1bf7300ce949251b205fa0658e5b4d289bfa1461486d59664075dc4a6cf
SHA1 hash: 8b869a5fba8514b1ea7a957ff1203f3c84dbfdb9
MD5 hash: 440771670b6292e44013eac9702aa929
humanhash: tennis-skylark-jupiter-harry
File name:Purchase Order 260126.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'213'952 bytes
First seen:2026-01-26 16:23:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 279daa640d9140f9842860a738abd363 (15 x Formbook, 2 x CastleLoader)
ssdeep 24576:dqDEvCTbMWu7rQYlBQcBiT6rprG8a/t1bU7HC4FEHB:dTvC/MTQYxsWR7a/t1U7HREH
TLSH T16A45CF027381D062FF9B92734B5AF6115BBC69260123E61F13981DBEBD701B1563E7A3
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 threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
AutoIt AutoStones
Details
AutoIt
extracted scripts and files
AutoStones
the names of side-loaded components and, if available from processing of a parent file, the deobfuscated components
Link:
https://research.acce.ciphertechsolutions.com/results/5acd64cb-c75c-4a0f-98ad-5f393507c9c2/
Malware family:
n/a
ID:
1
File name:
Purchase Order 260126.exe
Verdict:
No threats detected
Analysis date:
2026-01-26 16:25:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/66607591-e87a-46a0-8454-b7a5140f5ff4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/50234/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69779500bec9764f452f0b17
Tags:
autoit emotet
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-26T11:56:00Z UTC
Last seen:
2026-01-28T12:25:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Zenpak.sb Trojan.Win32.Strab.sb Trojan-Spy.Win32.Noon.bpnh Trojan-Spy.Noon.HTTP.ServerRequest Backdoor.Agent.HTTP.C&C Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb UDS:DangerousObject.Multi.Generic Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan-PSW.Win32.Stealer.sb
Link:
https://opentip.kaspersky.com/8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d4e51708-3812-40eb-a803-037578eb6caa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1857694
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1857694 Sample: Purchase Order 260126.exe Startdate: 26/01/2026 Architecture: WINDOWS Score: 100 40 Suricata IDS alerts for network traffic 2->40 42 Antivirus detection for URL or domain 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 8 other signatures 2->46 9 Purchase Order 260126.exe 4 2->9         started        process3 signatures4 56 Binary is likely a compiled AutoIt script file 9->56 58 Writes to foreign memory regions 9->58 60 Maps a DLL or memory area into another process 9->60 62 Found direct / indirect Syscall (likely to bypass EDR) 9->62 12 svchost.exe 9->12         started        process5 signatures6 64 Maps a DLL or memory area into another process 12->64 66 Unusual module load detection (module proxying) 12->66 15 JxUDTH7MqKe.exe 12->15 injected process7 signatures8 68 Maps a DLL or memory area into another process 15->68 18 reg.exe 1 20 15->18         started        process9 dnsIp10 30 sqlite.org 194.195.208.62, 49165, 80 NEXINTO-DE Germany 18->30 32 www.sqlite.org 18->32 28 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32 18->28 dropped 48 Tries to steal Mail credentials (via file / registry access) 18->48 50 Tries to harvest and steal browser information (history, passwords, etc) 18->50 52 Maps a DLL or memory area into another process 18->52 54 2 other signatures 18->54 23 D1Ov8Laq5Ow.exe 18->23 injected 26 firefox.exe 18->26         started        file11 signatures12 process13 dnsIp14 34 www.goldshrimp.co.kr 3.163.125.95, 49205, 49206, 49207 AMAZON-02US United States 23->34 36 192.168.2.22, 137, 138, 49164 unknown unknown 23->36 38 23 other IPs or domains 23->38
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 16:01:14 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rirgwwhsswm3td7qrhyn2xwlqro3vsijqlwrkm3xgseg4fmrffja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260126-tv1shshv8b/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952
MD5 hash:
440771670b6292e44013eac9702aa929
SHA1 hash:
8b869a5fba8514b1ea7a957ff1203f3c84dbfdb9
Link:
https://www.unpac.me/results/85056882-4629-4567-b04b-8acd655bc2ba/
SH256 hash:
333440f1ec3ee5d6b5cb6dcad3e08fbb4b94e1bbd9ecb866b01d7e9b27749f71
MD5 hash:
cf6c3ab5ffdf60532336db0677ec676e
SHA1 hash:
0d3e6f1f52050b075331b5660e0c0eb154a85311
Link:
https://www.unpac.me/results/85056882-4629-4567-b04b-8acd655bc2ba/
SH256 hash:
6de8e7b8b4aeb1b9fa68a57029c25aa004478a808877036f3de2ec526b130959
MD5 hash:
c765ef9ec487f57f232a03ae1addcc16
SHA1 hash:
1bbdd8f976a1f08c70d703245d6d6e2775f7a38c
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/85056882-4629-4567-b04b-8acd655bc2ba/
Parent samples :
901891aee909a9e9c4deccca42311c0b7b5aaedea79082512b6e81db2f2e4323
11ac85099031a8d3c666ae8295d1b36a0115bd9b3c319481ee7f39450613054a
a21cea52a66cb02df71c42492bf7acf4d6393327fc9cfc20a7dbf246477df853
ca1d88d18d99a6f7f3fbe805327a369ba75594669c02d8f86e30f1ad8c56a2b4
0cc5a2fd9f73331cd37bef1667d4057e325c098602c61de8aa3a94cfe08cc519
ccb84b327afb07bccbe3367be35abe53ccb8f0ad9a815bb098e30029387def10
8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952
60cd8949dd366aa94383409dde4e7840d85db4f2cea2eef7f773b9fe2d36bc68
544c6d4ae8075826b97fd416d9ff441989a785bf3e945851494d0db18728f604
9fc9401b548091b02b74da0ea58aa279db23c47c5ab2bfaacea4605df89d511d
750d0ef6eaaac00190a10d38493cf765fcb9a9076ecf4d52ca356af4a650585f
626bb341a8d9ec79994bc12565a9f3c4c6944dc79ba65d66aa35fc9d9ff7e5f4
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a226b58f295/report/overview.html
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/8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952

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.

Malspam

Formbook

Executable exe 8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/50234/

Comments