MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f. 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: 7


Intelligence 7 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f
SHA3-384 hash: ccecd991ae55da68f927c011a3e22f384195b0da04d2f676143e3ffc3c2fb15c29d6db40b17bf96cf81f2dba7df63768
SHA1 hash: 2bf8edcce9abdb34cb0e3c1464319f01d0449033
MD5 hash: f4450c7d0be7f0f17ffc3063e0a7bd32
humanhash: beryllium-west-table-potato
File name:FedEx_2341002842.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:701'306 bytes
First seen:2024-02-19 15:36:25 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:DCmwmS9L+Ovlbj8kmMaiooe6bOrt+vjKXWeqzBppBX+2a8JsjX3Kp0HfjX:DCmKIOvlbP4zweNOpBptJ+uMX
TLSH T11FE4232B8ABD49A4BA8702DFC5FFF02A9C63584AD7F42731374C7246B561B80518DA37
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook INVOICE rar


Avatar
cocaman
Malicious email (T1566.001)
From: "FedEx Express <eden@resourcefiles.com>" (likely spoofed)
Received: "from party.resourcefiles.com (party.resourcefiles.com [92.52.218.183]) "
Date: "Mon, 19 Feb 2024 03:56:22 +0100"
Subject: "Your FedEx Invoice 2341002842"
Attachment: "FedEx_2341002842.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
CH CH
File Archive Information

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

File name:FedEx_2341002842.exe
File size:741'888 bytes
SHA256 hash: eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8
MD5 hash: 33e8a6fafc9f36767f9fbd7e99782ad6
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65d375a4e304215defb45dda/reports/45b83c4c-1074-4d63-b26c-687fe940fca5/overview
Verdict:
Suspicious
Labled as:
Mal/RarMal
Link:
https://www.hybrid-analysis.com/sample/78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f
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/78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2024-02-19 15:36:28 UTC
File Type:
Binary (Archive)
Extracted files:
7
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pauh76yk7nhx6w5534qkruxnptcjsyrlkhpbyxzf6n3em7of2m7q._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240219-t384vsgg88/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f

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
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:kevoreilly
Description:Formbook Payload
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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
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 78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f

(this sample)

Formbook

Executable exe eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8
  
Dropping
Formbook

Comments