MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a. 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: 15


Intelligence 15 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a
SHA3-384 hash: 2e4e8e48002ba0e2e0a47419ffe44fe1cdff447d9b85fc9ad2c70016b0cbf9605962cb7b667837909f31c699b56a064b
SHA1 hash: 5235efd652d060b6ccc214c2bd7cb93df9ade2a5
MD5 hash: d4a57dd92318dc15203de156368ac957
humanhash: zebra-one-winner-freddie
File name:8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a
Download: download sample
Signature Formbook
Create hunting rule
File size:1'213'952 bytes
First seen:2025-08-12 14:01:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Ftb20pkaCqT5TBWgNQ7atm37kvpFG15InKxu6A:2Vg5tQ7atm37k7GQn75
Threatray 2'725 similar samples on MalwareBazaar
TLSH T12A45CF2363DD8361C7B25273BA66B7117EBF782506B1F96B2FD4093DA820122521E773
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
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
34
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a
Verdict:
Suspicious activity
Analysis date:
2025-08-12 15:24:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2da73468-4f00-4048-ad5a-94351fa905f3

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/20466/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689b4a8dfca70bd90e8f0502
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
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b0d183f2-e8fb-46da-b22f-3ea869eb5f30
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-07-21 03:47:31 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rs2lppmyyvj4fipk3pikop2pgm5zlbijhasnqeczaeqa3w3luava._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
unc_loader_036
Create hunting rule
formbook
Create hunting rule
Similar samples:
0a884bfa29941bd9bde3af50b6d8ee6b17467fc52278bab31d7e01bffa7a14c7
Formbook
170c2b10322d1b2bbd5403091730544828633e2bdf59af1134b1ae1898a8d90c
Formbook
2517ed2b2525424d095280b32a99a2d3ead88aa2b8d8e34eb65da2e64dac3c90
Formbook
acd7253cdd11e8dc246c5d3672f492b90d96981134f392f1a3d211e53ad49e05
Formbook
+ 2'715 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/250812-rr8b3s1mw5/
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:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e48e31e2-65e5-4a92-800c-6b42e44ac7a8
Unpacked files
SH256 hash:
8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a
MD5 hash:
d4a57dd92318dc15203de156368ac957
SHA1 hash:
5235efd652d060b6ccc214c2bd7cb93df9ade2a5
Link:
https://www.unpac.me/results/94633c6d-f629-40fc-8ab7-86f208abffa9/
SH256 hash:
bc7e1152fe43975b231d45970d8ae28974ad5c98a24aee9cecbe6af9b744060d
MD5 hash:
cc7fde04ae399e7b836a422d37da32f5
SHA1 hash:
012caffde9b7fa8c756be99f259a310386d4f3c4
Link:
https://www.unpac.me/results/94633c6d-f629-40fc-8ab7-86f208abffa9/
SH256 hash:
d423e3b3105679730d970f63cd61a00a5ce15cd076bf8595764f68388c0e6598
MD5 hash:
fd32c216bf8d7fc367fa29f84a8a5908
SHA1 hash:
5c2b56cd4e9dde1a6f53118090cef734c7cc56b0
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/94633c6d-f629-40fc-8ab7-86f208abffa9/
Parent samples :
0a884bfa29941bd9bde3af50b6d8ee6b17467fc52278bab31d7e01bffa7a14c7
170c2b10322d1b2bbd5403091730544828633e2bdf59af1134b1ae1898a8d90c
2517ed2b2525424d095280b32a99a2d3ead88aa2b8d8e34eb65da2e64dac3c90
07351022141ffd0655322cbcb9bc66d32353fe5c7040d81324a2bceb23514126
8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a
36d4bfc0f5b41fe07986ba470d15a6dfb0b82601394fbb41ee6a6921dccd4319
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/8cb4b7bd98c553c2a1eadbd0a73f4f333b9585093824d8105901200ddb6ba02a

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: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_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_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:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

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/20466/

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