MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3ab968ecfe40961e381aff0e5bba919eb4e8cfcbbf445cf44441197aefbb399. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: a3ab968ecfe40961e381aff0e5bba919eb4e8cfcbbf445cf44441197aefbb399
SHA3-384 hash: ba7c39dc320030d6082b4c2b0e48183f67484d18397fa926d07e5937e002da6087b10798a674276425cb2eec3abbeac6
SHA1 hash: 692da806793608d10cbcbdf06e440f66094a291b
MD5 hash: 8d1bcf322230e8935758228cebec1bb6
humanhash: georgia-stairway-bacon-wolfram
File name:PO10025_2026_07_28.exe
Download: download sample
Signature Formbook
File size:1'008'128 bytes
First seen:2026-07-28 17:10:16 UTC
Last seen:2026-08-10 14:55:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'344 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 24576:GWE7+1r2eGstK6jpH/TneRb5HWIG7g+yF:GWE7+BVGGtH/SR9FG7p
TLSH T1A225235D6655E726D47A1FF90461F93103B66C9E85B0C308AEEAADCFFAA7B042D00353
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
241
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 packed phishing
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-28T12:24:00Z UTC
Last seen:
2026-07-30T13:43:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
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 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)
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1949098 Sample: PO10025_2026_07_28.exe Startdate: 28/07/2026 Architecture: WINDOWS Score: 100 31 zadlab.net 2->31 33 www.sunglaxo.com 2->33 35 22 other IPs or domains 2->35 45 Suricata IDS alerts for network traffic 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected FormBook 2->49 51 4 other signatures 2->51 10 PO10025_2026_07_28.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\...\PO10025_2026_07_28.exe.log, ASCII 10->29 dropped 63 Unusual module load detection (module proxying) 10->63 65 Switches to a custom stack to bypass stack traces 10->65 14 PO10025_2026_07_28.exe 10->14         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Queues an APC in another process (thread injection) 14->71 73 Found direct / indirect Syscall (likely to bypass EDR) 14->73 17 lUAQBrAczS.exe 14->17 injected process9 signatures10 43 Binary is likely a compiled AutoIt script file 17->43 20 wiaacmgr.exe 13 17->20         started        process11 signatures12 53 Tries to steal Mail credentials (via file / registry access) 20->53 55 Tries to harvest and steal browser information (history, passwords, etc) 20->55 57 Modifies the context of a thread in another process (thread injection) 20->57 59 3 other signatures 20->59 23 WsI6kYQDZJ.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 www.lmarguerite.one 46.30.211.38, 49757, 49758, 49759 ONECOMDK Denmark 23->37 39 www.oakhen.com 104.207.65.180, 49726, 49727, 49728 NAMECHEAP-NET-NamecheapIncUS United States 23->39 41 13 other IPs or domains 23->41 61 Binary is likely a compiled AutoIt script file 23->61 signatures15
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.47 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.Dnoper
Status:
Malicious
First seen:
2026-07-28 15:22:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
a3ab968ecfe40961e381aff0e5bba919eb4e8cfcbbf445cf44441197aefbb399
MD5 hash:
8d1bcf322230e8935758228cebec1bb6
SHA1 hash:
692da806793608d10cbcbdf06e440f66094a291b
SH256 hash:
261b1a1bbbffccbece64b91fd7a1271d2fe3663891516b9eb9e4bdfacc97273a
MD5 hash:
147dab496ebee9384f426cc88f41690a
SHA1 hash:
7aac75c5ccb25a3abb1fa8e8f8d2831e0ee326d8
SH256 hash:
47a856ff7d9bf14949f9a1deed4ba4ec9495a9ef95ee41ba6d78f630561d166c
MD5 hash:
332b4cd85d1b878f5c5bf709b5984644
SHA1 hash:
ddba69ce01e7ea28029d271d4dd2f75bc3bf454f
SH256 hash:
52358f8c7284f3dcc7fca1bd39ddf25bac725d7161714d68ec29e73a44e99f15
MD5 hash:
835e48de8a726092706962cf849140db
SHA1 hash:
54c061712a819741ce4e42c6c83e99b7a6ae2987
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Comments