MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d2244c0c8fb933e67cf8ca05506073acf86ab58f09e219a9caf823fcc2410a2. 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: 5


Intelligence 5 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7d2244c0c8fb933e67cf8ca05506073acf86ab58f09e219a9caf823fcc2410a2
SHA3-384 hash: 1a35633ac1bc66445895f72a8af12a8f033c408b7d6a77448638a8eaa4f04e4c036c7bfc2846aead0c38ee4ccf246617
SHA1 hash: 2e79f271ec7aa61066a888816af84e042fee49a4
MD5 hash: a0704acf450ba7a38892a3c2ff4869a9
humanhash: finch-vegan-kansas-steak
File name:WFW91621.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:584'898 bytes
First seen:2023-11-08 14:19:07 UTC
Last seen:2023-11-09 16:25:52 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:P3IVd4IJtgXQOFwQFMNd52Bq7mYMPMesVa4zum2rOXgqzZC0F16Sp/:ve4IXmzSQKJ22mYOF4zuuBzI0F17p/
TLSH T182C423C8584E703F0DEAA775973B7BB0C42C4DDE76AD277D0CA2490235A735E039A9A4
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Buyer BlingJewelry <buyer@blingjewelry.com>" (likely spoofed)
Received: "from [191.101.130.6] (unknown [191.101.130.6]) "
Date: "8 Nov 2023 06:18:25 -0800"
Subject: "RE: RE: New Order WFW91621 "
Attachment: "WFW91621.rar"

Intelligence

File Origin
# of uploads :
117
# of downloads :
121
Origin country :
CH CH
File Archive Information

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

File name:WFW91621.exe
File size:603'648 bytes
SHA256 hash: 4c52fcc759e836699f5b46f6f67d1aa5370b61c2fb72f3cb761f178e07639c96
MD5 hash: 6a0815ce26b4746947a8cdc1bd16a8fd
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/7d2244c0c8fb933e67cf8ca05506073acf86ab58f09e219a9caf823fcc2410a2/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/654b99140adeb034335227d3/reports/fb2257ca-1ca1-4c32-88c9-d4291b71cc05/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/7d2244c0c8fb933e67cf8ca05506073acf86ab58f09e219a9caf823fcc2410a2
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/7d2244c0c8fb933e67cf8ca05506073acf86ab58f09e219a9caf823fcc2410a2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-08 14:19:10 UTC
File Type:
Binary (Archive)
Extracted files:
6
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=purejqgi7ojt4z6prsqfkbqhhlhynk2y6cpcdgu4v6bd7tbeccra._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/231108-r9ahrsdf96/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/7d2244c0c8fb933e67cf8ca05506073acf86ab58f09e219a9caf823fcc2410a2

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: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 7d2244c0c8fb933e67cf8ca05506073acf86ab58f09e219a9caf823fcc2410a2

(this sample)

Formbook

Executable exe 4c52fcc759e836699f5b46f6f67d1aa5370b61c2fb72f3cb761f178e07639c96

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 4c52fcc759e836699f5b46f6f67d1aa5370b61c2fb72f3cb761f178e07639c96
  
Dropping
Formbook
  
Dropping
MD5 6a0815ce26b4746947a8cdc1bd16a8fd

Comments