MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4
SHA3-384 hash: 2e384f24ea677088c33f50b2097a1fcac577c3306c0041a2d6618053537e0198a4c9c3af833ac4b4674b5c84ed66e470
SHA1 hash: 822ad563ebfa8cd0dfff50c3ae54cae2f166aeab
MD5 hash: 10247cecc05b4510775207ffdf6ce515
humanhash: friend-ten-twelve-moon
File name:5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4
Download: download sample
Signature Formbook
Create hunting rule
File size:568'832 bytes
First seen:2025-12-08 15:43:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:a0KKRgJ8fYryJIiFgJHmZPCZlj8xiy+we/qUOQ9r96PvzqIfCJYAxcF:a0NdLJINJHDj8QWKqUOQ596PvzLf1
Threatray 4'746 similar samples on MalwareBazaar
TLSH T173C4126463DCC913D4B26BB61DB1E3B007313E4EB522D2164BEE9CDBB916B199D007E2
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f765814c-ec30-4463-980c-1144af9a50d5/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4
Verdict:
Malicious activity
Analysis date:
2025-12-09 02:55:30 UTC
Tags:
auto-sch-xml formbook stealer xloader
Link:
https://app.any.run/tasks/e9678809-10f1-41fd-be4d-4cf2c695f2aa

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/43646/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936f2ae881313558a2b98b2
Tags:
krypt shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-25T13:54:00Z UTC
Last seen:
2025-12-10T09:15:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.35 Win 32 Exe x86
Link:
https://app.malva.re/file/10247cecc05b4510775207ffdf6ce515
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4/
Threat name:
Win32.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-11-25 18:40:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=loyt7p66sflseenea5szbbqxbq63hnehsrc3mocyuj723utm6h2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
57613c05c430ca628506d91721abd51b0af0cee49e2d94c0fafda3b5c0d9e4c4
Formbook
5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4
Formbook
db603d2938218ca0b95c604a319858d625907401a9317fafce65d916c7858347
Formbook
error
Formbook
f7f0d0bcd56c2b929b687aa0c15305be4f71495d0b1ce5609fed155ddb0c016c
Formbook
+ 4'736 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ms04 discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/251208-s6n3esxqcz/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d3fffec2-b160-4a38-b31a-37d46c6fa54b
Unpacked files
SH256 hash:
7db07d2cb18fb431676199685d78a400e710eacc52efb2700d92a265f6dd37d5
MD5 hash:
963ba1a0d9b00e920f68da6a72da096d
SHA1 hash:
001f2669f36f88f811b325ebaf3d5e8212f37bb6
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/95bc8821-86cb-45a1-9088-d06cc831f5e2/
SH256 hash:
09e347f8dfbce66db20f3743ca47eccd57b474d42abf8137c4fdf00bf2724146
MD5 hash:
e262f9c8b7379b4011ef28bd59f11612
SHA1 hash:
15d267053f9e631fd6b5990333ca102f2d4a1ff5
Link:
https://www.unpac.me/results/95bc8821-86cb-45a1-9088-d06cc831f5e2/
SH256 hash:
e1fd6332ad3ce4d96908b2a06a09d9de735766fad7e2201cc03d6d6048a5830e
MD5 hash:
bbeb858b95bab80a021316200c5cdd59
SHA1 hash:
cafa69e6b87c1933068fcd6f23a1e2dd45e35497
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/95bc8821-86cb-45a1-9088-d06cc831f5e2/
Parent samples :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 hash:
5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4
MD5 hash:
10247cecc05b4510775207ffdf6ce515
SHA1 hash:
822ad563ebfa8cd0dfff50c3ae54cae2f166aeab
Link:
https://www.unpac.me/results/95bc8821-86cb-45a1-9088-d06cc831f5e2/
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/5bb13fbfde91572211a407659086170c3db3b4879445b63858a27fadd26cf1f4

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
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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/43646/

Comments