MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2. 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: 13


Intelligence 13 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2
SHA3-384 hash: a449c4062bfec5aeffc259cfa36427d1894ea30c0b9f64784f431c406e9d2382fd466b57d3d8346235590237092d6ed5
SHA1 hash: efdb0a452deeb79c7f0d3abaa92acce29ae5d0ad
MD5 hash: 646179bac70c00f8a1ff4f5c70f09f87
humanhash: magnesium-hamper-zebra-alabama
File name:08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2
Download: download sample
Signature Formbook
Create hunting rule
File size:1'078'272 bytes
First seen:2026-08-10 13:26:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:TSbwLApKvKGbLkT65PKyvQMEIUFe4JBPuAy+:G88pQ/bCpRFeetuz
TLSH T17C3501C03B757705EDB85A349939EDB642B92D69B424F8E61EE93B8B746C7005E0CF02
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.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 :
60
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dc19c6b7-6fdd-4c98-b4ae-fe6331e4f670/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79503/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
blustealer explorer formbook krypt lolbin packed
Link:
https://www.filescan.io/uploads/6a79d1c57298fbc846d87626/reports/93cf38a9-4a69-4f59-822e-6a0b2e12d39c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-29T04:18:00Z UTC
Last seen:
2026-07-16T02:50:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4b1c8c00-e07a-4025-9144-fe0a2921c297
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-06-29 07:34:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bcvy5co5su5fnsy4iq5nyeslotw4hxxt3rtkfzmdw6tmj74trgza._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-qrgzfsgd65/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2
MD5 hash:
646179bac70c00f8a1ff4f5c70f09f87
SHA1 hash:
efdb0a452deeb79c7f0d3abaa92acce29ae5d0ad
Link:
https://www.unpac.me/results/1d917667-0dca-4932-868c-ba52f49b21c6/
SH256 hash:
39c2fb2ed73d52ea5ec5e6e77b0c9b5f0b47c86637789b4b5689c440f49fab23
MD5 hash:
23bf084b410f33d8031296eeafa42f29
SHA1 hash:
1972dddadf21f441d55bc33b562950711e1d8205
Link:
https://www.unpac.me/results/1d917667-0dca-4932-868c-ba52f49b21c6/
SH256 hash:
3f53c9b7b3d9655bef339d9107865ea1dbe4ca60d7299be6f9794a167800325c
MD5 hash:
ceb195dd3cfbd4b8c8167604c06cda75
SHA1 hash:
8d26735771bb5b23111e00e0c7f6072a7564e473
Link:
https://www.unpac.me/results/1d917667-0dca-4932-868c-ba52f49b21c6/
SH256 hash:
f378892bd008c57147962c79f2bc52b1dc227cfa5b483642c6fe30424e50ceeb
MD5 hash:
7e772e95d530a86a6995b40c6dade77d
SHA1 hash:
a49d9181e7392801a062fe8c5aea27256731ad26
Link:
https://www.unpac.me/results/1d917667-0dca-4932-868c-ba52f49b21c6/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/08ab8e89dd95/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/08ab8e89dd953a56cb1c443adc124b74edc3def3dc66a2e583b7a6c4ff9389b2

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

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/79503/

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