MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244
SHA3-384 hash: 2c39a1c49d75e8efe7b70ffa8ad2bd4dbc8567b062fe26fb7c93c024b72e7103e92cc1c8f622d02a5b04c717a3ec1096
SHA1 hash: afa4443741ef8e58a8678f4eb8e95b219a2b7047
MD5 hash: 32bd6f4698bdcbc85eca6d71ee47d513
humanhash: low-fillet-grey-louisiana
File name:c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244
Download: download sample
Signature Formbook
Create hunting rule
File size:792'576 bytes
First seen:2025-09-05 12:40:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:qmj/Clg6y7gJcSULDYkCkKEemxH+K3UJ/64:qc6w+cU0emxeKkJ/R
TLSH T150F4F0B76B46C807EE655BB409B1C7F802BE5FD8A424E20749E9BC97B97B1C335B0180
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244
Verdict:
Malicious activity
Analysis date:
2025-09-05 16:02:31 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/86c6ae09-0597-4784-9064-9648b6147c48

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/25399/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bada82eb163e0ec1847bd4
Tags:
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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68bae129822d8c77dc642a6c/reports/52dec016-2135-4fae-911f-b9d85acad74c/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-15T02:02:00Z UTC
Last seen:
2025-08-15T02:02:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244/results?tab=lookup
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/abfdac48-da3e-4898-8ee8-6a3538d2f210
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2025-08-15 08:04:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yvsy2bmfzfffb5yvhbhnfbihqbrveedwjdvpuwh5o5skc3byejca._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250905-qdzbksak91/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0f59b1aa-7243-4a96-bee2-7507ee04c3fe
Unpacked files
SH256 hash:
0aa60cb0fe205b051a8e420965a0659ced419e3045455f72de5e1611a6e7f456
MD5 hash:
8e66a7bf7973c554cf3b103722cad9fe
SHA1 hash:
5b34e05b35c1d295e293bbd885438b88c8fd9670
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/fb3914b7-c0e7-4c34-b9a6-a0ec9f552291/
Parent samples :
e15bf322a7c587a47c91dad4734d8d56a941664ded7ddbd171416abeb1e34b47
c335602ef52f9260cfb20828515938d3c335abce3e459464d802d4c17d2fe8d7
3cb3401f42c9b3847e85aa6cdae6e981b576d289a21a6b7d166879e2b6ae5d6f
c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244
4f8d01ea75f23293c5424e8b5a7f3f552c16d64f53d66b115f45648a04ecdd7d
be989ee2ddc2062b73483aef4178dbb61ed5acb4754eb864b230d18c7e17b8af
SH256 hash:
fc4b67409ffa1051ecb459d32e0bfdbcaf7c62e498430d0d56c23a3e3c27bff0
MD5 hash:
7211f34e2a294d0171119f9787ca7d18
SHA1 hash:
90f402d0b28a6a218ae75f262bca85ccec6bc400
Link:
https://www.unpac.me/results/fb3914b7-c0e7-4c34-b9a6-a0ec9f552291/
SH256 hash:
8807c570e45e353ed7a32b591e90a16ef7bc6a3ca4d599fa25fb343daa1b6d7e
MD5 hash:
7af023f464721f59caf152802592b8ac
SHA1 hash:
ada3a382ba8a9834aaa6728d873fa5fa2421f8ca
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/fb3914b7-c0e7-4c34-b9a6-a0ec9f552291/
SH256 hash:
100320b51388dda1a4b3306d6a294222eb4d2dfe67f42f8490ce4e0c7fdc5b3a
MD5 hash:
e978b8e5272347c7c831368c87056830
SHA1 hash:
263bac811ca81aaf982dce0b92b8b38bfc59292e
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/fb3914b7-c0e7-4c34-b9a6-a0ec9f552291/
Parent samples :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 hash:
c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244
MD5 hash:
32bd6f4698bdcbc85eca6d71ee47d513
SHA1 hash:
afa4443741ef8e58a8678f4eb8e95b219a2b7047
Link:
https://www.unpac.me/results/fb3914b7-c0e7-4c34-b9a6-a0ec9f552291/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5658d0585c9/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/c5658d0585c94a50f715384ed28507806352107648eafa58fd7764a16c382244

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Cape
Cape
https://www.capesandbox.com/analysis/25399/

Comments