MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d49cf5cfbf87192ef2a039e2afe966f3cf462c3185132118cf488629422540c9. 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 19 File information Comments

SHA256 hash: d49cf5cfbf87192ef2a039e2afe966f3cf462c3185132118cf488629422540c9
SHA3-384 hash: 9f67a1494635f71b244d4aac6198596b96b04f50f77a7a6a64bba918571451d520069a6c078400f2b64bbd4a3234a126
SHA1 hash: 225327dd12ef056d8fab329e96668cdef13f936e
MD5 hash: d4006c069565219e4bd6abe05d867f8d
humanhash: louisiana-harry-eight-single
File name:Revised Order pdf.zip
Download: download sample
Signature Formbook
File size:307'564 bytes
First seen:2023-08-30 17:47:26 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:BBVWOnhBLzNwv3R3S39bLF1m2s+4nE6NNRmIQsArx/:XVWOnhhevI3xF1m+4nE6I5rt
TLSH T1006423CF4BA1B2C10E6601E60653E634FCF283B1DC926A661C4C392F5891BC7AD9D5ED
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Jessica Uribe <jessica.uribe@ricoh-la.com>" (likely spoofed)
Received: "from [37.139.129.109] (unknown [37.139.129.109]) "
Date: "28 Aug 2023 12:01:03 +0200"
Subject: "Revised Order"
Attachment: "Revised Order pdf.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
CH CH
File Archive Information

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

File name:Revised Order pdf.exe
File size:321'572 bytes
SHA256 hash: 703f6ba3c612e1c35bc33fdc2201f9bccc1f8a146ce8b1008b47f581e89a77a0
MD5 hash: 3115dad38ce4191460fecafaa5dfde0f
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
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.
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-28 10:03:18 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sn26 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

zip d49cf5cfbf87192ef2a039e2afe966f3cf462c3185132118cf488629422540c9

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments