MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f
SHA3-384 hash: 7bd4f5ddec6fc596da4e1a699af5af9e16fc8d76ab4e7957c2c0fd5a1a25c07103977b0181b187f743006441ba6920ff
SHA1 hash: 3cb2983967a23cec839c94efe88bdbfe7c9fc7a8
MD5 hash: c1b9c3fb59a1d5ad2657977565c8c361
humanhash: oven-eleven-nevada-north
File name:aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f
Download: download sample
Signature Formbook
Create hunting rule
File size:1'249'280 bytes
First seen:2025-10-09 15:09:43 UTC
Last seen:2025-11-06 10:02:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (308 x Formbook, 52 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:j5EmXFtKaL4/oFe5T9yyXYfP1ijXdahE1cKV6JnlTOhUiZ/:jPVt/LZeJbInQRah/66JpO
Threatray 1'887 similar samples on MalwareBazaar
TLSH T17B45BF0273C1C062FFAB92734B5AF6115BBD79260123AA1F13981D79BE705B1463E7A3
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 :
2
# of downloads :
82
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ#84839PRODUCT_SAMPLES_INQUIRY.exe
Verdict:
No threats detected
Analysis date:
2025-09-29 07:36:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1e52af7e-b4b5-43b8-a50e-d57ac87acc2e

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/31866/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e7d3728b7b147cc4b6334b
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script explorer fingerprint keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected threat
Link:
https://www.filescan.io/uploads/68e7f2235a3bccf09ebf9a6a/reports/bc2974d1-ad1f-485b-810a-a1b8ba29e40e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-28T20:41:00Z UTC
Last seen:
2025-10-09T01:44:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aad041b2-92c5-4d47-b8f0-e8563b5856a0
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-09-28 23:53:32 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vi3lvh2sdaafv3zhfztuibqm6kuu3c6li57n3wuhpzb726w2gzhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
611800d260a261ca41759e9c79312cdabe2529bc8fe362f296b348c5fa1a5c09
Formbook
6fc5301fd7abfbfabe7f3c0a1c83cb0d3430efcbad699eac2d8e7009f27fe82a
Formbook
b486ec0314eabf1bd79a42201829893561d949978e264bcaec545ba7f1b25f10
Formbook
f4a2ff30755f15ff9c9e1ea5fdabd00f3c2755bb9d28829390833b07fc1cdce1
Formbook
fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b
Formbook
+ 1'877 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/251009-v1bagsslx3/
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
AutoIT Executable
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ae688050-89ee-4587-b4f4-5e25e145aa71
Unpacked files
SH256 hash:
aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f
MD5 hash:
c1b9c3fb59a1d5ad2657977565c8c361
SHA1 hash:
3cb2983967a23cec839c94efe88bdbfe7c9fc7a8
Link:
https://www.unpac.me/results/31ca2cc0-83e7-4211-9acd-44043a8fc680/
SH256 hash:
990ade3a050d66f06dce2c2734683b9822bcaf833e4114a36da127b583c58399
MD5 hash:
0aeed7bc963104413564b26cd9def441
SHA1 hash:
f4735ee9e35ec01f95ebc21c6734aa3aa47c2081
Link:
https://www.unpac.me/results/31ca2cc0-83e7-4211-9acd-44043a8fc680/
SH256 hash:
f8050e9f349b16e3cb500c8496012bc3238d47f424d865982b0ddbc2283b9d2f
MD5 hash:
8528cb2303f7db58e1d21d3e718e4c47
SHA1 hash:
db59121892aaa3cdf78b0e4aaa0e5168206e79af
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/31ca2cc0-83e7-4211-9acd-44043a8fc680/
Parent samples :
611800d260a261ca41759e9c79312cdabe2529bc8fe362f296b348c5fa1a5c09
07ff93264959e611dc2833c5b5d7625c1f18d0d943792a5019a319d48c260c17
f4a2ff30755f15ff9c9e1ea5fdabd00f3c2755bb9d28829390833b07fc1cdce1
fb16330c871833981f73ada3203538f6549a62be87150af3ba00536029ccc63b
aa36ba9f5218005aef272e6744060cf2a94d8bcb477eddda877e43fd7ada364f
24fd7371516924607ad227e0b5e45cb201e96f1130e8fc683cd8be998e9793df
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa36ba9f5218/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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_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: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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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: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/

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/31866/

Comments