MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37fabfdbe721b17601f7efa9059bf2c2cf71bb0689c1d5e6a4672fedd6f1e227. 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: 8


Intelligence 8 IOCs YARA 32 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37fabfdbe721b17601f7efa9059bf2c2cf71bb0689c1d5e6a4672fedd6f1e227
SHA3-384 hash: 8741ad962f6ed557828fd7fe24eedc156875a5d2e54ce035881b8acf374094022aedefb4dffd44a0bf9a3301761116dd
SHA1 hash: bd341a6f923507d1c209c0dbede15944c102a213
MD5 hash: 35378a8dbb9717bff45a464852146b2d
humanhash: oscar-california-leopard-twenty
File name:Outstanding payment Invoice for AWB charges.r15
Download: download sample
Signature Formbook
Create hunting rule
File size:513'538 bytes
First seen:2025-01-02 12:58:24 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:HUPVfPEAk0bBilcw/H9Zw/Hi/cS336H9hKxoHMKMfbVjGV4p:iXk0FilX1jcS33C9hKxGXObVb
TLSH T1A1B42330915CCF9817F6A7576F4B43BBC98E8568FFFAD7D1361BA4282C11292E2D1488
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 INVOICE payment r15 rar


Avatar
cocaman
Malicious email (T1566.001)
From: "airexport@unitransbd.com" (likely spoofed)
Received: "from [154.203.197.208] (unknown [154.203.197.208]) "
Date: "19 Dec 2024 03:16:24 -0800"
Subject: "RE: Outstanding Balance Payment for AWB charges"
Attachment: "Outstanding payment Invoice for AWB charges.r15"

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
CH CH
File Archive Information

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

File name:Invoice for AWB charges.exe
File size:871'188 bytes
SHA256 hash: 65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6bab
MD5 hash: fce27267d3d20b4f8c4900f02085c640
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67768d9974a2bd296e252215
Tags:
shellcode shell sage
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/37fabfdbe721b17601f7efa9059bf2c2cf71bb0689c1d5e6a4672fedd6f1e227
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/37fabfdbe721b17601f7efa9059bf2c2cf71bb0689c1d5e6a4672fedd6f1e227/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-12-19 09:50:35 UTC
File Type:
Binary (Archive)
Extracted files:
30
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g75l7w7hegyxmapx56uqlg7sylhxdoygrha5lzvem4x63vxr4itq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cl21 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250102-q3313axjar/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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/37fabfdbe721b17601f7efa9059bf2c2cf71bb0689c1d5e6a4672fedd6f1e227

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
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:golang_david_CSC846
Create hunting rule
Author:David
Description:CSC-846 Golang
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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: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
Rule name:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl
Rule name:XWorm_3_0_3_1_Detection
Create hunting rule
Author:Archevod
Description:Detects XWorm versions 3.0 and 3.1

File information

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

Malspam

Formbook

rar 37fabfdbe721b17601f7efa9059bf2c2cf71bb0689c1d5e6a4672fedd6f1e227

(this sample)

Formbook

Executable exe 65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6bab

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6bab
  
Dropping
Formbook
  
Dropping
MD5 fce27267d3d20b4f8c4900f02085c640

Comments