MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed3c4d1547562898b85f5059429f57df15547142408e4bdeac9aaa5dc743641d. 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: 9


Intelligence 9 IOCs YARA 22 File information Comments
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SHA256 hash: ed3c4d1547562898b85f5059429f57df15547142408e4bdeac9aaa5dc743641d
SHA3-384 hash: 6f61aaa945eb77db38611232625ada15821d21e2a866112534814fda2664a01b6b1c67cae1ffe03a8bc3592a4058adff
SHA1 hash: 04ed105b99e4faf36ad60624d4371dc7ecd77024
MD5 hash: ee07b4a375ac44d82198166409116e54
humanhash: cola-robin-cold-eighteen
File name:URGENT REQUEST.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:587'382 bytes
First seen:2025-03-04 08:15:58 UTC
Last seen:2025-03-04 13:27:02 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:h6pok0WiZBW9L95pkzCMJEaWjlKzaiveqlVZY+ZLiJL:Dp/TWdSfIiDLLid
TLSH T1BDC423A0C0E6172F1720056BB5148C7EF6693C87DD9B8DD32DEA11FD562E291B02E1FA
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: ""Chris"<sales@elite-instrument.com>" (likely spoofed)
Received: "from elite-instrument.com (unknown [45.144.212.136]) "
Date: "04 Mar 2025 10:28:35 -0800"
Subject: "RE: URGENT REQUEST"
Attachment: "URGENT REQUEST.rar"

Intelligence

File Origin
# of uploads :
4
# of downloads :
81
Origin country :
CH CH
File Archive Information

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

File name:URGENT REQUEST.exe
File size:1'081'856 bytes
SHA256 hash: d30a1c8e49151c602211ce4919f9fbe8ab2011a48b889c99bc5cef3716db4826
MD5 hash: 5256fff0a3841183c91335b2b219cbf7
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=67c6b71ec668b65489bee3c2
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script evasive fingerprint keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected wuauclt
Link:
https://www.filescan.io/uploads/67c6b6cd3c5f644bd941ddfb/reports/9898a520-d2e2-4235-b997-fef0d4b424e4/overview
Verdict:
Malicious
Labled as:
Ransom.Wacatac
Link:
https://www.hybrid-analysis.com/sample/ed3c4d1547562898b85f5059429f57df15547142408e4bdeac9aaa5dc743641d
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ed3c4d1547562898b85f5059429f57df15547142408e4bdeac9aaa5dc743641d/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-03-04 02:03:39 UTC
File Type:
Binary (Archive)
Extracted files:
24
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5u6e2fkhkyujroc7kbmufh2x34kvi4kcichexxvmtkvf3r2dmqoq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mg63 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250304-kh8sxswnx6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
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/ed3c4d1547562898b85f5059429f57df15547142408e4bdeac9aaa5dc743641d

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: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_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: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: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_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
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.

Malspam

Formbook

rar ed3c4d1547562898b85f5059429f57df15547142408e4bdeac9aaa5dc743641d

(this sample)

Formbook

Executable exe d30a1c8e49151c602211ce4919f9fbe8ab2011a48b889c99bc5cef3716db4826

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 d30a1c8e49151c602211ce4919f9fbe8ab2011a48b889c99bc5cef3716db4826
  
Dropping
Formbook
  
Dropping
MD5 5256fff0a3841183c91335b2b219cbf7

Comments