MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74. 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: 14


Intelligence 14 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74
SHA3-384 hash: 9c8c76ce46039311231d8f19475d5b4bae2b5d7a3096a8e256ebd27b14c2a665e20c49880a1ffb3f499b79907d4915aa
SHA1 hash: 94173695c52978c9350ae3054edbc312a2b4b7a7
MD5 hash: 477fbcd22ae5049d7196b682aa1ab887
humanhash: mango-sodium-kentucky-delaware
File name:2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74
Download: download sample
Signature Formbook
Create hunting rule
File size:1'163'776 bytes
First seen:2026-02-05 16:04:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (393 x Formbook, 119 x AgentTesla, 58 x a310Logger)
ssdeep 24576:15EmXFtKaL4/oFe5T9yyXYfP1ijXdap8c+b61QLxgf:1PVt/LZeJbInQRap8cX1o
TLSH T18235BF027391D062FFAB91334B56F6215BBC79260123A62F13981DB9FE701B1563E7A3
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 :
98
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/8fd3cb7f-b92f-428b-95ba-601aa26504fb/
Malware family:
n/a
ID:
1
File name:
2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74
Verdict:
No threats detected
Analysis date:
2026-02-06 00:49:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ec5fcd7f-b621-4569-9604-0518c83b5d99

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/52333/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6984bfb6117f8ed80109ddce
Tags:
phishing autoit emotet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-26T15:43:00Z UTC
Last seen:
2026-02-05T05:47:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4b2a3cb0-09be-457f-8961-9d23dae060a7
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74/
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-01-29 01:36:00 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fkwnugzrnydz2o5jotp2nrfjh7tithwgyjvbp6hw5ca7amtsnj2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oh16 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260205-tjr18scz3g/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74
MD5 hash:
477fbcd22ae5049d7196b682aa1ab887
SHA1 hash:
94173695c52978c9350ae3054edbc312a2b4b7a7
Link:
https://www.unpac.me/results/c89b30bb-6b84-44e2-9c53-38c6a69aa53d/
SH256 hash:
feb373e0f010f3b68cf6b1557a8fc421e51febab0246335af2ed8fe292e1ddd8
MD5 hash:
1f810de0b09b3eb42f856a41eca4c97d
SHA1 hash:
e37d3e082fb957d2650966e2cf700995695b4d4f
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/c89b30bb-6b84-44e2-9c53-38c6a69aa53d/
Parent samples :
8225196d0848e0f36d4ecc8c8ef8ae592c5d172570dd4cd5aa13fbc2daae2fd3
2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74
144b3e4d1f963e0fc6dd419df16c8eed0a2d816727ff2629e7e1aab5c0d3f243
946baa56681d7e954c471671a8eeb9161a208e0e2f1d2c2587eaafcea8d1d5fd
892bc644461156b75443af62eb4b44e88b0ad36f9c19dad0bb6064be7a612db7
4071dce074603640a42076b087d03cb563e3172dde0a6b97d05fab3a2bf6f9f6
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2aacda1b316e/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/2aacda1b316e079d3ba974dfa6c4a93fe6899ec6c26a17f8f6e881f032726a74

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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: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: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: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/
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

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/52333/

Comments