MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 703af985b3787f140971cccc1cfe86ed8af40a9ba9e05ab0e7e2d67ac97a79b7. 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 27 File information Comments

SHA256 hash: 703af985b3787f140971cccc1cfe86ed8af40a9ba9e05ab0e7e2d67ac97a79b7
SHA3-384 hash: b55c19d1d14b024354c71c6147982cc8c4c4a89bf42871d4ab4457f07913567704d26280a8d01a3dd5870e3b9d7b47a0
SHA1 hash: c5b9cf0275373689f2d3dd4613e82a328d5a798d
MD5 hash: 5d19a82a858cd4553f2b12abe2ee814b
humanhash: music-washington-four-steak
File name:PO.exe
Download: download sample
Signature Formbook
File size:1'239'552 bytes
First seen:2025-10-03 13:04:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (309 x Formbook, 53 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:r5EmXFtKaL4/oFe5T9yyXYfP1ijXdaaBNqjHKu8TuGkxwec7WOz:rPVt/LZeJbInQRaaBNqjHhIkxiW
TLSH T11045BF0273D1C062FFAB92734B5AF6115BBC79260123AA1F13981D79BE705B1463E7A3
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 James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
105d387b-f0b5-4ea4-ae4b-1311a367ebb0.zip
Verdict:
No threats detected
Analysis date:
2025-10-03 09:39:11 UTC
Tags:
attachments attc-arch arch-email arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script evasive fingerprint fingerprint keylogger microsoft_visual_cc packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-03T00:06:00Z UTC
Last seen:
2025-10-05T11:28:00Z UTC
Hits:
~100
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-10-03 03:21:30 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
703af985b3787f140971cccc1cfe86ed8af40a9ba9e05ab0e7e2d67ac97a79b7
MD5 hash:
5d19a82a858cd4553f2b12abe2ee814b
SHA1 hash:
c5b9cf0275373689f2d3dd4613e82a328d5a798d
SH256 hash:
2a76c321dabdd8f24180f4583ae9e7a1b7b476736f6660fcd594df40ef64c01b
MD5 hash:
566110b8c3f2640fdbecf841b38c2ac3
SHA1 hash:
e43efd751f30d619bcc1c0151a68534652f247e5
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
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_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt 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.

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