MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30
SHA3-384 hash: 9dd7cfbf7559b15293edb72f50142cb193dc5863bc144662c60917ccbf922bf0555b2a8022001d1afc207d7e9313c332
SHA1 hash: 352efe38841ffce8bc004aac1d963b00021b6bce
MD5 hash: c535c66b52cdebbb85dd349f135cc803
humanhash: delaware-two-autumn-single
File name:Bank Details.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:7'539'200 bytes
First seen:2025-08-27 19:57:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f8676c0eabd52438a3e9d250ae4ce9d9 (2 x Formbook, 1 x AgentTesla, 1 x SnakeKeylogger)
ssdeep 49152:D/8jADUWXXus0237rKbutmGJs2lmZpo4Cgr0L6fbFhF+vBXfKzb4FzAlThUHYOHo:iqDrjjnV2v0m1OCBYTAIM/qeJokN
Threatray 11 similar samples on MalwareBazaar
TLSH T1E576AD18A3A805B5E53BDB38CA65C333C6B0BCA257B6C14F0959F6461F73A508B2F725
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank Details.exe
Verdict:
No threats detected
Analysis date:
2025-08-27 20:15:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cca9ea57-be91-4ffb-aeb3-6a38ed1e897d

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/23947/
Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68af633eeb163e0ec182f2a8
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto fingerprint lolbin microsoft_visual_cc obfuscated packed remote
Link:
https://www.filescan.io/uploads/68af63828d7e23876183ea66/reports/79ce679b-f3b4-4771-b9ed-d96fa8140ce6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-08-26T22:21:00Z UTC
Last seen:
2025-08-26T22:21:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b101918a-d178-4a6e-80e9-242b2138e683
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/c535c66b52cdebbb85dd349f135cc803
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30/
Threat name:
Win64.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-08-27 03:08:07 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=io326nsmzr7kequ2s7x2tpskdepxpfti7i46npmeb36ycxkqbuya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
25a0cac54fdaeec8e52d8c5689f775fb00c6af4e6c07935ad967fd4a6c09971b
Formbook
43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30
Formbook
469e31f638615cb65dd38b450b40024649490930c8c5c84b94e2283835c36a6a
Formbook
953ab12c6f45021bded5652b9990d0156a5d81d6de9cd7086b0de22bcb372164
Formbook
984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6
Formbook
error
Formbook
+ 1 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/250827-yqbp2stwhs/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f4e15bad-5db3-4970-bfce-6af9975d03bf
Unpacked files
SH256 hash:
43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30
MD5 hash:
c535c66b52cdebbb85dd349f135cc803
SHA1 hash:
352efe38841ffce8bc004aac1d963b00021b6bce
Link:
https://www.unpac.me/results/fffd6eff-e5a9-4854-830f-9c6efe2ccde3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43b7af364ccc/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/43b7af364ccc7ea2429a97efa9be4a191f779668fa39e6bd840efd815d500d30

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: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__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Create hunting rule
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/23947/

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