MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b161882346a8b3d21627b392ed9f58ef14374d10a76a1a34fc59a50222ad041c. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b161882346a8b3d21627b392ed9f58ef14374d10a76a1a34fc59a50222ad041c
SHA3-384 hash: 8119f6395a1bdef034bd5a43ea7d74b5474b4fecb8511d89ed58a93a7b3cb1f050d556d6f5770c4c98a8c1160a20ea51
SHA1 hash: 902aedb770e443d331f2a86689c47cb31fa15eb4
MD5 hash: 02cf22ca0694d9407fd0e3b268d956be
humanhash: white-stream-nitrogen-muppet
File name:12-03-303-930290292.LZH
Download: download sample
Signature Formbook
Create hunting rule
File size:620'468 bytes
First seen:2022-10-11 03:22:30 UTC
Last seen:2022-10-12 04:57:01 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:4a/DECXepq7OGD79kqT+lOp/7Au/O2Sb1f9Y1rlpjjDHV:v/o+FDxT+lcTb/OpbqrnHHV
TLSH T129D433A93A425152AF7ECA3D9F73818EEAB144F104C0F0B3C757AD5E143864B4DE9AC9
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook lzh zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Jaui Shin" <zog@fishersci.com>" (likely spoofed)
Received: "from jobless-stew.nowbullet.com (unknown [185.222.58.75]) "
Date: "11 Oct 2022 10:36:08 +0200"
Subject: "FWD: (NEW ORDER) Nestle PO 4557183203 Vendor 0100080591"
Attachment: "12-03-303-930290292.LZH"

Intelligence

File Origin
# of uploads :
7
# of downloads :
162
Origin country :
n/a
File Archive Information

This file archive contains 4 file(s), sorted by their relevance:

File name:vssgagwo.fdv
File size:189'440 bytes
SHA256 hash: 83e4ca17286d435f87b72783ee75ea7ba2de7d7771c74719c9e6cf34b24395ce
MD5 hash: af59032619ad5f1fe5c626a9f7773db5
MIME type:application/octet-stream
Signature Formbook
File name:dcsezpdu.jdp
File size:37'842 bytes
SHA256 hash: 9040dd041b6f777b9eeadb2221a756f15758b5868c901e0bf4056ab3ca790037
MD5 hash: 898eacbd83a8fd832988d27b753c81ee
MIME type:text/plain
Signature Formbook
File name:gunqzs.exe
File size:947'288 bytes
SHA256 hash: 98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b
MD5 hash: 0adb9b817f1df7807576c2d7068dd931
MIME type:application/x-dosexec
Signature Formbook
File name:kqkysszhn.au3
File size:6'053 bytes
SHA256 hash: e3d9b08822fed36757273361d555ce1b87bae6c86da80289de6ec0fc0eb3861b
MD5 hash: a734eb32958076147424a8306f600832
MIME type:text/plain
Signature Formbook
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6344e19781eef2a234c4c326/reports/3131629d-f685-4453-ae26-76a910247626/overview
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b161882346a8b3d21627b392ed9f58ef14374d10a76a1a34fc59a50222ad041c
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/b161882346a8b3d21627b392ed9f58ef14374d10a76a1a34fc59a50222ad041c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 00:58:14 UTC
File Type:
Binary (Archive)
Extracted files:
33
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfqyqi2gvcz5efrhwojo3h2y54kdotiqu5vbunh4lgsqeivnaqoa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oy10 rat spyware stealer trojan
Link:
https://tria.ge/reports/221011-dxf8wscfer/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
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/b161882346a8b3d21627b392ed9f58ef14374d10a76a1a34fc59a50222ad041c

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

Formbook

zip b161882346a8b3d21627b392ed9f58ef14374d10a76a1a34fc59a50222ad041c

(this sample)

Formbook

Executable exe dc6132f9c63cd966c76790f0761299f92c31684197e40a949c4e1eb9a539bfc8

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 dc6132f9c63cd966c76790f0761299f92c31684197e40a949c4e1eb9a539bfc8
  
Dropping
Formbook
  
Dropping
MD5 50dccfe8f8c993a5dba4d99d0a95ad31

Comments