MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383
SHA3-384 hash: fa7554900bc98d7769780ba9bc87cfeab7dd7e3429deec71a6be4d4e299f91149df22062e1ad87a262f0612a86e43e24
SHA1 hash: 689ad1e5b634c7e614755a7f7efd874d4d87ee6d
MD5 hash: 93657f0206d7c49ff3aaf4115c2fd878
humanhash: texas-beryllium-kansas-wyoming
File name:SOA2345.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'164'288 bytes
First seen:2025-11-19 12:34:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0f7552f9514e3a32a8dc8a5a9d9c89a7 (12 x Formbook, 2 x SnakeKeylogger, 1 x a310Logger)
ssdeep 24576:Ztb20pkaCqT5TBWgNjVY77/dnZft6VYQgj31n16A:qVg5tjVY77/F2iQy5
TLSH T17A45CF1273DEC361C3725273BA25B741BEBF782506A1F96B2FD4093DE920122525EA73
TrID 50.4% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
19.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe FormBook upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 1f3bdb38686a66cf238a07a79181c908179f654e886ee1b4531bfa8c18f52f6b
File size (compressed) :678'912 bytes
File size (de-compressed) :1'164'288 bytes
Format:win32/pe
Packed file: 1f3bdb38686a66cf238a07a79181c908179f654e886ee1b4531bfa8c18f52f6b

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA2345.exe
Verdict:
Malicious activity
Analysis date:
2025-11-19 12:37:37 UTC
Tags:
auto-startup
Link:
https://app.any.run/tasks/2f36c329-148f-4ce2-be60-8006e110b06d

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/38655/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691db99427c5936d7d0db305
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/691db98e48e93512af11c387/reports/872952cb-6dd2-4ea0-abcb-f18b6ff0b00f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-19T10:09:00Z UTC
Last seen:
2025-11-21T05:05:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Zenpak.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Strab.znx Trojan.Win32.Agent.sb Trojan.Win32.Auzenpak.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb
Link:
https://opentip.kaspersky.com/a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0b2d97e2-ba16-43de-9836-7c8ab03400c4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1816862
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816862 Sample: SOA2345.exe Startdate: 19/11/2025 Architecture: WINDOWS Score: 100 47 www.sz-xinbo.com 2->47 49 www.savila.me 2->49 51 5 other IPs or domains 2->51 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected FormBook 2->63 65 5 other signatures 2->65 12 SOA2345.exe 6 2->12         started        16 wscript.exe 1 2->16         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\sacculation.exe, PE32 12->45 dropped 83 Binary is likely a compiled AutoIt script file 12->83 18 sacculation.exe 3 12->18         started        85 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->85 22 sacculation.exe 2 16->22         started        signatures6 process7 file8 43 C:\Users\user\AppData\...\sacculation.vbs, data 18->43 dropped 67 Antivirus detection for dropped file 18->67 69 Multi AV Scanner detection for dropped file 18->69 71 Binary is likely a compiled AutoIt script file 18->71 77 2 other signatures 18->77 24 svchost.exe 18->24         started        73 Writes to foreign memory regions 22->73 75 Maps a DLL or memory area into another process 22->75 27 svchost.exe 22->27         started        signatures9 process10 signatures11 79 Maps a DLL or memory area into another process 24->79 81 Unusual module load detection (module proxying) 24->81 29 OEeokDn8Jc0kN.exe 24->29 injected process12 process13 31 wlanext.exe 13 29->31         started        signatures14 87 Tries to steal Mail credentials (via file / registry access) 31->87 89 Tries to harvest and steal browser information (history, passwords, etc) 31->89 91 Modifies the context of a thread in another process (thread injection) 31->91 93 4 other signatures 31->93 34 qYsC3OKW0Zd.exe 31->34 injected 37 chrome.exe 31->37         started        39 firefox.exe 31->39         started        process15 dnsIp16 53 savila.me 185.199.111.153, 49701, 49702, 49703 FASTLYUS Netherlands 34->53 55 cw537.vhs.71e.com 150.107.38.100, 49696, 80 EXPEED-AS-APExpeedTechnologyPtyLtdAU Australia 34->55 57 2 other IPs or domains 34->57 41 WerFault.exe 4 37->41         started        process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 12:35:29 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vg7zkbeii6zsnvbsumkuqb46ssggq4vbzbyg3diwgdvt2555iobq._file
Verdict:
malicious
Label(s):
autoit
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/251119-psklasbn9v/
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
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/932efe7c-6203-48f7-82ba-0f7e7011bb1c
Unpacked files
SH256 hash:
a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383
MD5 hash:
93657f0206d7c49ff3aaf4115c2fd878
SHA1 hash:
689ad1e5b634c7e614755a7f7efd874d4d87ee6d
Link:
https://www.unpac.me/results/b6ebd51f-50d7-47d1-b153-d08dc0b3419a/
SH256 hash:
61472fe59be217a4efc8044616fbced3ebb841ca67918d08aa4589dfc1e3c9f1
MD5 hash:
8ed05aa165a8042b16b71fcc768f7ee4
SHA1 hash:
79c80c7a895090cb20622346253476f371224db3
Link:
https://www.unpac.me/results/b6ebd51f-50d7-47d1-b153-d08dc0b3419a/
SH256 hash:
d2c8d3fdb6425492b7820484894a9f0fdff4cb063e94da364780b8215f4d406a
MD5 hash:
155cedf23f25ac8d0ef389d6cf3ec1d9
SHA1 hash:
0a4c933740f12cf8a63201337e0843b03b33c4c2
Link:
https://www.unpac.me/results/b6ebd51f-50d7-47d1-b153-d08dc0b3419a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a9bf95048847/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/a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 1f3bdb38686a66cf238a07a79181c908179f654e886ee1b4531bfa8c18f52f6b

Formbook

Executable exe a9bf95048847b326d432a31548079e948c6872a1c8706d8d1630eb3d77bd4383

(this sample)

  
Dropped by
SHA256 1f3bdb38686a66cf238a07a79181c908179f654e886ee1b4531bfa8c18f52f6b
Cape
Cape
https://www.capesandbox.com/analysis/38655/
  
Dropped by
MD5 fb57e23fec741e6bdbbf8f7c6a78689f

Comments