MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e. 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: 20


Intelligence 20 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e
SHA3-384 hash: e08d899014c3902247a9f46bd11dd97b4681a19668f749337d05eaeca3941994d6c49f9b6753642ff7950552b7759059
SHA1 hash: 8ff54c969eb9518c9ae0dc4ca9262c3de68349e8
MD5 hash: fe12d2744e17f77665d2b55f806e8dab
humanhash: earth-fourteen-emma-connecticut
File name:SecuriteInfo.com.Win32.MalwareX-gen.30060.11894
Download: download sample
Signature Formbook
Create hunting rule
File size:718'848 bytes
First seen:2025-12-11 05:43:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:yVLDjyGJPztq0rl1+Gxz+SNYT8X3Cj4J+KAbGJxPDnInzR:w1rlIGxVWAM4mbGJxrncz
TLSH T1C5E4D0E03A3A771ACEA44B71A568EDB542F52D287010BAF75DDC7B8731AC6109E0CF46
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
FR FR
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/39e36600-3700-49db-a727-318aaa7f6ecb/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.30060.11894
Verdict:
Malicious activity
Analysis date:
2025-12-11 05:45:49 UTC
Tags:
auto-sch-xml formbook stealer xloader
Link:
https://app.any.run/tasks/53d0d999-284b-47e5-9d1e-8c5b9c4bcc81

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/44263/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.30060.11894.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693a5a2fbde6a3e597102314
Tags:
micro krypt msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
krypt packed unsafe vbnet
Link:
https://www.filescan.io/uploads/693a5a2ecf690d27f3dc26a5/reports/eef26924-3af0-4962-bd5a-4d827bea1152/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-11T01:26:00Z UTC
Last seen:
2025-12-12T20:03:00Z UTC
Hits:
~100
Detections:
Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win32.SpeedBit.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb HEUR:Trojan-Spy.MSIL.Noon.gen Trojan.MSIL.Taskun.sb Backdoor.Agent.HTTP.C&C Trojan-Dropper.Win32.Injector.sb Trojan.Win32.Agent.sb HEUR:Trojan.MSIL.Taskun.sb Backdoor.Win32.Blakken.sb
Link:
https://opentip.kaspersky.com/283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/65245d00-7011-40bf-bbc7-b2a184d8d8c4
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.37 Win 32 Exe x86
Link:
https://app.malva.re/file/fe12d2744e17f77665d2b55f806e8dab
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-12-11 04:10:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fa2epjd4pjpjbppzj576jsqhcc54eoguofij2f7vnzmewfcy2y7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:punm discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/251211-ge83qsap41/
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
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/5e82c87d-597c-4755-beeb-5e6a5e2663e4
Unpacked files
SH256 hash:
283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e
MD5 hash:
fe12d2744e17f77665d2b55f806e8dab
SHA1 hash:
8ff54c969eb9518c9ae0dc4ca9262c3de68349e8
Link:
https://www.unpac.me/results/640a1d3a-4e1b-4005-b6e6-212823641136/
SH256 hash:
6358fe5ff47427101df11b117e8e7ec7084841c2a651da452a28f52ec56a94b5
MD5 hash:
cf99a4e5fc471b6d69ce28d91b1044b6
SHA1 hash:
86b61c81e45ed8eb13e5105b2f67d0073db128e5
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/640a1d3a-4e1b-4005-b6e6-212823641136/
SH256 hash:
efb6a13171efda5436a296f735066a438a281d0c38a63831d59c9bb86ed4e1cb
MD5 hash:
03be1634a292fb3b9dd147fc52404a43
SHA1 hash:
9b814356f9cf32900e28e1a3ba69018b7b31c471
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/640a1d3a-4e1b-4005-b6e6-212823641136/
Parent samples :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 hash:
05787cf7c5d86465ae08da7d62855f0bf4d5463a1d3e32218244ffef221bfec6
MD5 hash:
44440f534ec9b819dd0acf15ab253bed
SHA1 hash:
f06e76647b320cb2a9b04ce36002996775536c5b
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/640a1d3a-4e1b-4005-b6e6-212823641136/
Parent samples :
62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
0738cee9bc712803e28299bc41223192abb932064478c278f10350e65f755d30
b599240a13547435a237fa14405a60999c3b3475c5e8f9a7507843a232787ef4
c38c0cf6caae09abb251a613fd891d105e2c37424817f5b005154f34920edc3c
551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
09119a05e2e2a4857d5eae0c7d8fc474869e6e6483c876a78ddbfe91661a0cc5
d87de6be63c49499dfe482bfdafbdca13760efb66c2d8af6950919f01f52608c
cd35cc5ea80b1095440dc72d654918d474907fae82987851f5eb0915fa21184d
6e2b1a9ba0fb924774b35d3fe97e5ee232de78f7292fd7a79c678d6de974751a
283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/283447a47c7a/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/283447a47c7a5e90bdf94f7fe4ca0710bbc238d471509d17f56e584b1458d63e

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: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

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/44263/

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