MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9
SHA3-384 hash: 7b395557538cd3baf79eb3b206fc20849b878e201f9e4e14eef7763e1c5737205984de92f85f52b93ad17bac8ef00a52
SHA1 hash: 7cfa1cf891686011ce295eeabace379a91248016
MD5 hash: 73f0f1a64ed8519d8382f0d8dc211981
humanhash: zulu-venus-tango-indigo
File name:ENTEL HT644 MARINE SPECIFICATION.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:999'424 bytes
First seen:2026-01-27 14:41:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'793 x AgentTesla, 19'692 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 24576:aQTcxSvPxrkE9tkyKX1TN9ZUHrYVDZ+6Il:aykE9rKXXbUUVDi
TLSH T1DD251265339EE423D4815BB10870D7B41324CFCCA652E7978EFAFDEBB86A78224151D2
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 James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/825be7b9-bac0-428f-9f57-fb409d8448b2/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ENTEL HT644 MARINE SPECIFICATION.zip
Verdict:
Malicious activity
Analysis date:
2026-01-27 11:52:45 UTC
Tags:
arch-exec formbook xloader stealer
Link:
https://app.any.run/tasks/5f0af3a5-7a81-4344-ba1c-a2b0e56dd58a

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/50394/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6978ced7bec9764f452f5c1c
Tags:
micro
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt packed reconnaissance vbnet
Link:
https://www.filescan.io/uploads/6978ced14156786ccbda7025/reports/b54bb93e-e988-457f-8799-716229dff8a0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-27T04:05:00Z UTC
Last seen:
2026-01-29T06:24:00Z UTC
Hits:
~100
Detections:
Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Noon.gen HEUR:Trojan.MSIL.Injector.gen
Link:
https://opentip.kaspersky.com/5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee9990f8-d62f-4e61-8c44-7f5e7d9adc5b
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9/
Verdict:
Malicious
Threat:
Trojan-Spy.Win32.Noon
Link:
https://tip.neiki.dev/file/5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-01-27 08:18:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ljzb4qqmn7astimyv5x5ormcalcxjt7wryfwbnbxfkfpk5t32lmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_078
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260127-r2p89abw9e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
c67b125ceadd0ee13c9219961d5e2f4333bf7b57c63aa2fb11b0d85ff1784c98
MD5 hash:
4d0ce77c89ec6528b15553e7c4cb0b67
SHA1 hash:
0b111736477c4f11e6f9d9fa9126cb698b69ed46
Link:
https://www.unpac.me/results/7e7a0dae-a130-476d-bc98-579864db60c9/
SH256 hash:
ee9947757120619a5ed0224631cb73da7cca55f6facacad933f76d9be7d92e42
MD5 hash:
2d965bd0febff1ddd51f7180c4ca894b
SHA1 hash:
0f3cb2a579813cec08d892cceff5e1a570bf25a1
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/7e7a0dae-a130-476d-bc98-579864db60c9/
SH256 hash:
2094497b3f255e8a87c2b757c2d70211bf9d57409352ccb7bfd396d41d332a93
MD5 hash:
cf4b62421ea5b6cc3c2e98c43cab27b3
SHA1 hash:
a35e74869129abb17e42a8670d71d6f75e6258dc
Link:
https://www.unpac.me/results/7e7a0dae-a130-476d-bc98-579864db60c9/
SH256 hash:
83f731ca2b2297eea1592ba73700a69a704cbd69dac3d065c855669027a8adf0
MD5 hash:
85bbbbf468e67b56ff0df8a1b10e2408
SHA1 hash:
1554cc9831feb600d3a84ef4312941ad8d683dfa
Link:
https://www.unpac.me/results/7e7a0dae-a130-476d-bc98-579864db60c9/
SH256 hash:
5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9
MD5 hash:
73f0f1a64ed8519d8382f0d8dc211981
SHA1 hash:
7cfa1cf891686011ce295eeabace379a91248016
Link:
https://www.unpac.me/results/7e7a0dae-a130-476d-bc98-579864db60c9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a721e420c6f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9

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/50394/

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