MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bab98abfba44ad1f7d0340c988b961cd80a45924fc299db0b1d240ab0c9cb05. 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: 6


Intelligence 6 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bab98abfba44ad1f7d0340c988b961cd80a45924fc299db0b1d240ab0c9cb05
SHA3-384 hash: 771fc3a7e6aa3c259caadaa467534b77d8e11df954d2a0f7cebef17c3466d3e2ddd2c1a721d6f9ff154d511f1da735ba
SHA1 hash: 7c6fafa060726fd614afb364ec70fa1f8bfeff53
MD5 hash: 742e0cc6f951559d49d849c91bd2147a
humanhash: lemon-massachusetts-skylark-mobile
File name:589-4102025-IP.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:684'281 bytes
First seen:2025-04-17 11:18:31 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:5JofflRPmII60rMulTSIeZroytL4WqhCeYn/VVIL5Z63FSp/EEG3zuSkC8vnKk:5Jorer60gUGtL4WoY/VVIVZMFSp8R3zi
TLSH T112E423672FC0EC75494CA622DCD2D00EF05EEC52E26EA2275525E7D9A338B3AF713560
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:FormBook rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Legal <cloudflare@abak.com.pl>" (likely spoofed)
Received: "from distracted-einstein.5-181-2-58.plesk.page (unknown [5.181.2.58]) "
Date: "16 Apr 2025 19:57:45 -0700"
Subject: "Documents for GIGDEC13915"
Attachment: "589-4102025-IP.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:589-4102025-IP.exe
File size:1'179'648 bytes
SHA256 hash: e9666675f5b6ed698cec3ea15bc999133ace5472d7b6c92dd0ccd98aeffe7f23
MD5 hash: f85e1ef67bf1ef988efae5ba9f809a31
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6800e9a0280f5f89a0d06a80
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger lolbin microsoft_visual_cc mpcmdrun msiexec packed packed packer_detected
Link:
https://www.filescan.io/uploads/6800e3b6ed72ab1a1d4c2de8/reports/efb9bdb0-2f80-4364-8271-d9eb57344260/overview
Verdict:
Suspicious
Labled as:
Trojan.Wacatac
Link:
https://www.hybrid-analysis.com/sample/2bab98abfba44ad1f7d0340c988b961cd80a45924fc299db0b1d240ab0c9cb05
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2bab98abfba44ad1f7d0340c988b961cd80a45924fc299db0b1d240ab0c9cb05/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-04-17 03:36:32 UTC
File Type:
Binary (Archive)
Extracted files:
28
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fovzrk73urfnd56qgqgjrc4wdtmaurmsj7bjtwyldusavmgjzmcq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250417-nrwfqsszh1/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
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: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_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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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:testing_win_formbook_autoit
Create hunting rule
Author:dubfib
Rule name:Windows_Generic_Threat_aeaeb5cf
Create hunting rule
Author:Elastic Security
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_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12
Rule name:win_rat_generic
Create hunting rule
Author:Reedus0
Description:Rule for detecting generic RAT malware

File information

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

Malspam

Formbook

rar 2bab98abfba44ad1f7d0340c988b961cd80a45924fc299db0b1d240ab0c9cb05

(this sample)

Formbook

Executable exe e9666675f5b6ed698cec3ea15bc999133ace5472d7b6c92dd0ccd98aeffe7f23

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e9666675f5b6ed698cec3ea15bc999133ace5472d7b6c92dd0ccd98aeffe7f23
  
Dropping
Formbook
  
Dropping
MD5 f85e1ef67bf1ef988efae5ba9f809a31

Comments