MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68
SHA3-384 hash: 86d15cd4e1d337617c52f1dbae1773d855651b50f9d5191e0b03ab24498fa23c081a7f205959632de40e8bb35075d5e7
SHA1 hash: a74a5de3a61e5a0ca9069ff883d023e8cd371fd7
MD5 hash: e4f88607b1cd2314700d1a6872a0727d
humanhash: delta-carbon-six-solar
File name:Marine Tiger vessel Q88.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:869'888 bytes
First seen:2025-08-04 20:15:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:miX9tGvHSWRGXFtp+k4usO+7QWaFXTqsp5WJHyGJfG2sTOHIxAfqO+/KI4D:VteHRRGrpjre7aI8rGvMolqO+/KI4
TLSH T1180501013354DFB7F9EA6F319660D63413A86D0A9CE5D3590ECEBEDB386278148F1A12
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Marine Tiger vessel Q88.exe
Verdict:
No threats detected
Analysis date:
2025-08-04 20:17:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ef9fb12d-dc9c-429f-a7c5-83dc624ba73c

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/18896/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6891150d0b4775fb21364809
Tags:
micro virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap obfuscated packed packed reconnaissance roboski stego
Link:
https://www.filescan.io/uploads/6891150c73b8ef6f4afe9798/reports/d05f3377-a249-4255-b6bb-51322ded314e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7787335d-52ec-4f56-ac6e-c9146086ae02
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1750112
Signature
.NET source code contains potential unpacker
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
Performs DNS queries to domains with low reputation
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750112 Sample: Marine Tiger vessel Q88.exe Startdate: 04/08/2025 Architecture: WINDOWS Score: 100 33 www.br199805.xyz 2->33 35 www.zavico.life 2->35 37 18 other IPs or domains 2->37 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 53 3 other signatures 2->53 11 Marine Tiger vessel Q88.exe 3 2->11         started        signatures3 51 Performs DNS queries to domains with low reputation 33->51 process4 file5 31 C:\Users\...\Marine Tiger vessel Q88.exe.log, ASCII 11->31 dropped 14 Marine Tiger vessel Q88.exe 11->14         started        process6 signatures7 63 Maps a DLL or memory area into another process 14->63 17 CspKxZ0nYZAY.exe 14->17 injected process8 process9 19 logman.exe 13 17->19         started        signatures10 55 Tries to steal Mail credentials (via file / registry access) 19->55 57 Tries to harvest and steal browser information (history, passwords, etc) 19->57 59 Modifies the context of a thread in another process (thread injection) 19->59 61 3 other signatures 19->61 22 TQjfYEhV.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 39 livelens.click 15.197.225.128, 49722, 49767, 49768 TANDEMUS United States 22->39 41 www.ecolink.group 212.227.172.253, 49759, 49760, 49761 ONEANDONE-ASBrauerstrasse48DE Germany 22->41 43 9 other IPs or domains 22->43 29 WerFault.exe 4 25->29         started        process13
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.45 Win 32 Exe x86
Link:
https://app.malva.re/file/e4f88607b1cd2314700d1a6872a0727d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68/
Verdict:
Malicious
Threat:
VHO:Trojan.Win32.Injuke
Link:
https://tip.neiki.dev/file/229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-08-04 15:02:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ekiuhvtfotk5ahqy5qyhrmgt3ys3shbb363z5h3vamvh3dkvl5ua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
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/250804-y169psxjs8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c06c5eee-2966-42bb-8ec5-35620c8de4b6
Unpacked files
SH256 hash:
229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68
MD5 hash:
e4f88607b1cd2314700d1a6872a0727d
SHA1 hash:
a74a5de3a61e5a0ca9069ff883d023e8cd371fd7
Link:
https://www.unpac.me/results/776e92d5-4fc2-4510-9398-844ed6915f52/
SH256 hash:
7b457e79525fdb79fc6a01ecb8ec904ef7dd2b57ae5b9229fc3fed807ba24149
MD5 hash:
7bb566e4739a4252f2bf73076cd289d0
SHA1 hash:
00e87658b74e5b71eece71b5dc92c7ad518145fd
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/776e92d5-4fc2-4510-9398-844ed6915f52/
Parent samples :
bde181e1225b6cb39fadcaf7a03659dcb8ba059eee626219b994f739b90e028c
e646f69ab13559c8f45cf9ec17c23b359bfd93a61d4932da2d81aab6f25c9d79
3645c06970210b79497c43087a250f575d11106851521861c8b068e434c280f7
ded67530b43d631ec743606859227570de9e18ce9d61a72b2641fdaff6dc78e6
229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68
ef2a54c5688d0e055fffd22394c168c81f80ec4a8ab33ceb87e70a6eddf97942
SH256 hash:
f16e16d375b7d2c1410a8def1a9f1db445b87be7d32095f766abef343d95fc13
MD5 hash:
2b4915d852c42ed23ead4920453a2b3e
SHA1 hash:
787154daa86d71fed75c76e0c3893ee668f877ee
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/776e92d5-4fc2-4510-9398-844ed6915f52/
SH256 hash:
41f05afc77e61e5ae04b486865fdc040f2baef2a48aa0c6c669cb8cd06bc9bed
MD5 hash:
0e4b10eb5cd9660ae69f8313a2210869
SHA1 hash:
8257c12bc11ee5a97951d1b9f2bafbeb39680771
Link:
https://www.unpac.me/results/776e92d5-4fc2-4510-9398-844ed6915f52/
SH256 hash:
929f68ecbc742673a03b398ee461f40d1b3d528fe3bfd4a37b6fd6b65fb97f94
MD5 hash:
489d02e73ca15a65d2254b2bf5cebca1
SHA1 hash:
a242c550f61bcbe65e1dde36e0f7ce6cdc126218
Link:
https://www.unpac.me/results/776e92d5-4fc2-4510-9398-844ed6915f52/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/229143d66574/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/229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe 229143d66574d5d01e18ec3078b0d3de25b91c21dfb79e9f75032a7d8d555f68

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/18896/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments