MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ded67530b43d631ec743606859227570de9e18ce9d61a72b2641fdaff6dc78e6. 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 5 File information Comments

SHA256 hash: ded67530b43d631ec743606859227570de9e18ce9d61a72b2641fdaff6dc78e6
SHA3-384 hash: 31005204ea3153a61bc0615933786df371f1d0d109fbc912a6f5810f6fcb207416aacd2c2370936a14e70745cecd793d
SHA1 hash: 634fa294aa40357298b060dba8ca03f8d3ac8c14
MD5 hash: 3ad274a5c9617ae4ed40aff40dc2d891
humanhash: river-west-undress-maine
File name:payment slip0000056442133.exe
Download: download sample
Signature Formbook
File size:868'352 bytes
First seen:2025-08-04 19:58:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:WiX9ttkHZwAGKvhjkeBiIMNmhMmgx6MxEm1bbSChYa5dwqO+/KI4z:FtOHmysIMNmhXhs1b1hruqO+/KI4
Threatray 7 similar samples on MalwareBazaar
TLSH T11005011133559FB3F9AA6B7197A1D13013A46D096CE4D3880FCEBEDB38657824DF0A92
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 :
54
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment slip0000056442133.exe
Verdict:
No threats detected
Analysis date:
2025-08-04 20:01:48 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
malware
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc zero
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750101 Sample: payment slip0000056442133.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 4 other signatures 2->53 11 payment slip0000056442133.exe 3 2->11         started        signatures3 51 Performs DNS queries to domains with low reputation 33->51 process4 file5 31 C:\...\payment slip0000056442133.exe.log, ASCII 11->31 dropped 14 payment slip0000056442133.exe 11->14         started        process6 signatures7 63 Maps a DLL or memory area into another process 14->63 17 SK2fcv1puGjY.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 XIcLc9zjuYmq.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
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.45 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-04 15:17:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 37 (51.35%)
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
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ded67530b43d631ec743606859227570de9e18ce9d61a72b2641fdaff6dc78e6
MD5 hash:
3ad274a5c9617ae4ed40aff40dc2d891
SHA1 hash:
634fa294aa40357298b060dba8ca03f8d3ac8c14
SH256 hash:
7d00a877a7fdc8758586f7714f002c640b2c8a8515cf444b4d017fb19f77a72f
MD5 hash:
b3ed3ab4a38e9a52bd02506779f615ff
SHA1 hash:
06094ca28d982ee9b571669c247b483872c7cc29
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
41f05afc77e61e5ae04b486865fdc040f2baef2a48aa0c6c669cb8cd06bc9bed
MD5 hash:
0e4b10eb5cd9660ae69f8313a2210869
SHA1 hash:
8257c12bc11ee5a97951d1b9f2bafbeb39680771
SH256 hash:
929f68ecbc742673a03b398ee461f40d1b3d528fe3bfd4a37b6fd6b65fb97f94
MD5 hash:
489d02e73ca15a65d2254b2bf5cebca1
SHA1 hash:
a242c550f61bcbe65e1dde36e0f7ce6cdc126218
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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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 ded67530b43d631ec743606859227570de9e18ce9d61a72b2641fdaff6dc78e6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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