MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8cec5e33f7270e2e3d463c42aea7ee63825c8a4abe083be79ff3c6f123da63e. 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 10 File information Comments

SHA256 hash: a8cec5e33f7270e2e3d463c42aea7ee63825c8a4abe083be79ff3c6f123da63e
SHA3-384 hash: 0adb8571604b1ef7f6aa1016be65e6dc6279daba9143b79628e4439d4c224e34f9068e843574f9eacf63aba3cbb0dc3c
SHA1 hash: ddf4de41e13441eba6427b3ac7f0d8e9242ea435
MD5 hash: e1fe6ead6d6449d97d090b8500a43d30
humanhash: november-six-april-illinois
File name:ARRIVAL NOTICESHIPMENT AWB # 186-11168736 - BL INVOICE0925.exe
Download: download sample
Signature Formbook
File size:778'240 bytes
First seen:2025-09-18 22:17:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:/M8MhEAEQJpPygnfWqV598ZCT3PBaCQ9mBsw6SRAr9H0sjAMljIGeIHe9b7:AEAEQ7zuY9N7WgxGazMlj3fe9H
TLSH T151F4029A234EE913C5A60BF00870C7B603B89E5EA414D3475EFDEEBFBC55B912D08256
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 threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ARRIVAL NOTICESHIPMENT AWB # 186-11168736 - BL INVOICE0925.exe
Verdict:
No threats detected
Analysis date:
2025-09-18 22:19:30 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc vbnet zero
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-18T01:51:00Z UTC
Last seen:
2025-09-18T01:51:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780403 Sample: ARRIVAL NOTICESHIPMENT  AWB... Startdate: 19/09/2025 Architecture: WINDOWS Score: 100 40 www.ecpay-tw067.xyz 2->40 42 www.78452609.xyz 2->42 44 18 other IPs or domains 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus detection for URL or domain 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 60 8 other signatures 2->60 11 ARRIVAL NOTICESHIPMENT  AWB # 186-11168736 - BL INVOICE0925.exe 4 2->11         started        signatures3 58 Performs DNS queries to domains with low reputation 42->58 process4 file5 38 ARRIVAL NOTICESHIP...INVOICE0925.exe.log, ASCII 11->38 dropped 70 Adds a directory exclusion to Windows Defender 11->70 72 Injects a PE file into a foreign processes 11->72 15 ARRIVAL NOTICESHIPMENT  AWB # 186-11168736 - BL INVOICE0925.exe 11->15         started        18 powershell.exe 23 11->18         started        20 ARRIVAL NOTICESHIPMENT  AWB # 186-11168736 - BL INVOICE0925.exe 11->20         started        signatures6 process7 signatures8 74 Maps a DLL or memory area into another process 15->74 22 ZgmCTpKfV.exe 15->22 injected 76 Loading BitLocker PowerShell Module 18->76 24 conhost.exe 18->24         started        process9 process10 26 clip.exe 13 22->26         started        signatures11 62 Tries to steal Mail credentials (via file / registry access) 26->62 64 Tries to harvest and steal browser information (history, passwords, etc) 26->64 66 Modifies the context of a thread in another process (thread injection) 26->66 68 3 other signatures 26->68 29 gbvch49ssb.exe 26->29 injected 32 chrome.exe 26->32         started        34 firefox.exe 26->34         started        process12 dnsIp13 46 www.suvorr.tokyo 46.37.111.21, 49728, 49729, 49730 Y-INTERNETGB Spain 29->46 48 www.nexilo.life 162.0.239.7, 49732, 49733, 49734 NAMECHEAP-NETUS Canada 29->48 50 10 other IPs or domains 29->50 36 WerFault.exe 4 32->36         started        process14
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.16 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-09-18 06:23:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
31 of 38 (81.58%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
unc_loader_037 formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
a8cec5e33f7270e2e3d463c42aea7ee63825c8a4abe083be79ff3c6f123da63e
MD5 hash:
e1fe6ead6d6449d97d090b8500a43d30
SHA1 hash:
ddf4de41e13441eba6427b3ac7f0d8e9242ea435
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
SH256 hash:
1ceac33451f101a3889ff407cbc8c7666a0d694c224e1dea88562b72e96c36f5
MD5 hash:
c0972dda8ada0623843532abf4c83b5f
SHA1 hash:
75948b9cdc8344c7636eab3d69b003a1dc31f05c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
1c30cc7458ec56557ec3b6a6f5b6f85ddfb93e2e33785d332b86aa95fda5f521
MD5 hash:
5e16e45a0c609879f79a10fd545dfd8b
SHA1 hash:
ee83cabfaf5af082d6c4f4113ef7573e18c6f017
SH256 hash:
c6a515b07908bb6f15d2b06a6db24e31e460cbb889a383ead3ebcceecdab5970
MD5 hash:
95dd542ae839adea40fd45104454411c
SHA1 hash:
b4e3924c86343813133dd359f98697af94df9c86
Detections:
win_formbook_g0
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: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:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
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:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe a8cec5e33f7270e2e3d463c42aea7ee63825c8a4abe083be79ff3c6f123da63e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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