MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8. 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: 16


Intelligence 16 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8
SHA3-384 hash: 999d6d5e134fe2b0a1bbef983f7bde1aa6457dc373aadbad3682d22ccb16558761135874ce7580f5a804f48e021b1d29
SHA1 hash: 3ce5cecec16b0c08899537e08e02022312b45017
MD5 hash: 20b5b00e709e0375582e39f6e1e99fd5
humanhash: utah-william-march-video
File name:98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8
Download: download sample
Signature Formbook
Create hunting rule
File size:1'228'800 bytes
First seen:2025-11-06 10:53:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (309 x Formbook, 53 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:G5EmXFtKaL4/oFe5T9yyXYfP1ijXda/ZcP3iIbb:GPVt/LZeJbInQRa/gx
Threatray 2'081 similar samples on MalwareBazaar
TLSH T18445BF027391C062FFAB92734F5AF6115BBC79260123A61F13A81D79BE701B1563E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
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 family:
n/a
ID:
1
File name:
KLASS WAGEN - 515568457.exe
Verdict:
No threats detected
Analysis date:
2025-10-20 08:30:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5eccf0ba-d247-4837-bec0-5e3d1dd3aa06

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/35928/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690c7e31ea0f3e915c2385f0
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-18T11:42:00Z UTC
Last seen:
2025-11-08T08:15:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b1bd544e-0d63-4054-b0c3-c10bf5dc66c4
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/20b5b00e709e0375582e39f6e1e99fd5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8/
Threat name:
Win32.Trojan.Autoitinject
Create hunting rule
Status:
Malicious
First seen:
2025-10-18 15:29:04 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tajwwb635okkvu6rn6xrhb6amose53m3yddkppx24rh47qrkmd4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01d5ee39bc1c92fd89ac108357bbd155e92fb8ca03876846cfa8ce393b8552f1
Formbook
0faf94a24b00a7dca3cb0e26b29b0c3f72f66e2f968d997ad45e74620efeb11b
Formbook
4d0617fbb958d3dbfe6b7f642d4ca3a7c327a1c8c1d8ceb133c553e678015845
Formbook
7e94122a9c483446f957eea2d13bc3088657c59e691372a954fae675145dc3b9
Formbook
7fb51ecddea989bbc4c71fb744b95e9045e64c7a534d661d972c048a40050bb7
Formbook
9b6137a8a2aab203501a3131ae0aea965acf9afde14a739a5dbb5f5e7b08bfe1
Formbook
b3519529f6d34d7fa3108901fe68b12f4577de4e610433e1ae733666fd8f1126
Formbook
cef704d7865892c9752273badf9c9cc765448e69610a161b1e61f30239d730a4
Formbook
d5524fe820bb5053c55848f1b832179009569460a9879337458502b4c10c8195
Formbook
+ 2'071 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251106-my5gjsak6s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/07676e18-2024-4e83-aa63-d7b890596165
Unpacked files
SH256 hash:
98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8
MD5 hash:
20b5b00e709e0375582e39f6e1e99fd5
SHA1 hash:
3ce5cecec16b0c08899537e08e02022312b45017
Link:
https://www.unpac.me/results/f9a8695a-e95d-46a1-9176-e90815a61ae3/
SH256 hash:
332c010d3fd0bf7e0fe5727a75787fdfe6d46c13b1f3499691d7d534eb9fd547
MD5 hash:
5ac4bc707f2edeadf7ae1f78105ecadf
SHA1 hash:
c98b1a1fa8f2cb344fabaf280b53ff2c8f88b3d7
Link:
https://www.unpac.me/results/f9a8695a-e95d-46a1-9176-e90815a61ae3/
SH256 hash:
a3adeeeeae2da66eb68d98dfe0844750e75cc77a743e8c55df163d4d74619e64
MD5 hash:
c16a25429b082738b8f1da0bad75b516
SHA1 hash:
5eca65a50ab7f07481937aa8262d3ebcfbe65dbd
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f9a8695a-e95d-46a1-9176-e90815a61ae3/
Parent samples :
9b6137a8a2aab203501a3131ae0aea965acf9afde14a739a5dbb5f5e7b08bfe1
cef704d7865892c9752273badf9c9cc765448e69610a161b1e61f30239d730a4
98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8
3e196c25cf20db735613b0dea47af7aed5af92939b08b076227aa6447b230ecf
768840db2049909af3e535ec4ebf2c60883fb9cda5ac3e4d0fe33a04f144b43a
400ac8682d2eb81d4d1a75212ff4b3da9b9787971823f21b5d3a65ebff86120d
918564e95d999323bcd307cdf53fc2d4150fc91b2765052985921d87b1640d88
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/98136b07dbeb94aad3d16faf1387c063a44eed9bc0c6a7befae44fcfc22a60f8

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
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__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: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:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
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/35928/

Comments