MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c. 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: 4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c
SHA3-384 hash: 0c81745322c21aca17230f39b1d50e91ceb28c20ce6fcf22333a1265c13edb765dd83d2046b5bd032787fce52f0d60ad
SHA1 hash: d86e60b501a84c0b1c9a1715112d72c2c3e6797c
MD5 hash: 018c04ef77c2b9e482fb65376d8ad98d
humanhash: washington-zebra-red-seventeen
File name:4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c
Download: download sample
Signature Formbook
Create hunting rule
File size:588'288 bytes
First seen:2025-12-08 15:38:29 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 12288:4bkyaWZNMf417T2luKCgt1b7LayXv5QpyEJD3:mkN+B1P2sKCgtwy/bEJD
Threatray 2'270 similar samples on MalwareBazaar
TLSH T14BC402282665DA07CAA117B44EB1F6B4277D1EBDB812E3168FD96CDF7A72B004D10383
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 :
64
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/990d45ec-8e7f-40a3-bf14-0d44d976242a/
Malware family:
n/a
ID:
1
File name:
_4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c.exe
Verdict:
No threats detected
Analysis date:
2025-12-08 15:45:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/65f09e17-6abd-463d-b0e4-e662c7d6dcc4

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/43606/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936f17a881313558a2b9792
Tags:
agenttesla andromeda virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-24T06:01:00Z UTC
Last seen:
2025-12-10T10:50:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Agent.sb Trojan-Downloader.Win32.Andromeda.tfll Trojan-Dropper.Win32.Injector.sb Backdoor.Win32.Blakken.sb Trojan.MSIL.Crypt.sb HEUR:Trojan-PSW.MSIL.Agensla.gen Trojan.Win32.SpeedBit.sb Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Inject.sb VHO:Backdoor.Win32.Agent.gen Trojan.MSIL.Agent.sb PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Trojan-Spy.Noon.HTTP.ServerRequest
Link:
https://opentip.kaspersky.com/4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.24 Win 32 Exe x86
Link:
https://app.malva.re/file/018c04ef77c2b9e482fb65376d8ad98d
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-11-24 11:22:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7ieno62qtobdvfldvxqee3iricnkkbc4me6e24eo525n6ns6qwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2816037e426bbf07de2d4d8c2c8ef7090911e1d7406b6b23933a5e422c65f108
Formbook
4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c
Formbook
57613c05c430ca628506d91721abd51b0af0cee49e2d94c0fafda3b5c0d9e4c4
Formbook
6418df188c4253a72ee1b85210b06887f6ff5fe144b701df82c68096ba5d674a
Formbook
9e01b51f3fd3d019eb522b7794bb8407c43d85451fdaa4130579841600cc4c41
Formbook
db603d2938218ca0b95c604a319858d625907401a9317fafce65d916c7858347
Formbook
error
Formbook
f7f0d0bcd56c2b929b687aa0c15305be4f71495d0b1ce5609fed155ddb0c016c
Formbook
+ 2'260 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ms04 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251208-s3wyvsek5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/70b549c9-e22a-420b-9d0d-a563624b3ac4
Unpacked files
SH256 hash:
4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c
MD5 hash:
018c04ef77c2b9e482fb65376d8ad98d
SHA1 hash:
d86e60b501a84c0b1c9a1715112d72c2c3e6797c
Link:
https://www.unpac.me/results/9bfdff79-de42-4581-beef-87b004111929/
SH256 hash:
b41f78dc8dabf9b4c4c74f78f11d37793d165ab5133d661fdda5686e5e6fdb4f
MD5 hash:
8bf7c8f142b202432b4ba7697818dc68
SHA1 hash:
1051c78c9b2727d7dee872909dc3e5a99aa20590
Link:
https://www.unpac.me/results/9bfdff79-de42-4581-beef-87b004111929/
SH256 hash:
b595923a19a2758decb4a6aa28a83f46d08e40e405ae5421ccc17959ae191834
MD5 hash:
005f9b0ac12fe4db30043532c43db4d2
SHA1 hash:
29a338136d01a55e07b8bc4ff6b89a5eb566076a
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/9bfdff79-de42-4581-beef-87b004111929/
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/9bfdff79-de42-4581-beef-87b004111929/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fd046bbda84/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/4fd046bbda84dc11d4ab1d6f0213688a04d52822e309e26b847775d6f9b2f42c

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/43606/

Comments