MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f9c045affa12de8d4d40fcfea0f44e9b7fc5135a193767572104e64fc7ff2cf. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f9c045affa12de8d4d40fcfea0f44e9b7fc5135a193767572104e64fc7ff2cf
SHA3-384 hash: 1c051815d49462cb1ac946838adbd8ab573b79b9556ec9a7523dadbc8e92f570f69c23b4737116cc3cc016387d5fb497
SHA1 hash: c63f1fb0405f4c358fff12788dc4f2436ae26466
MD5 hash: e4c95ed8e855565f863169b805737b9e
humanhash: summer-mexico-california-winner
File name:HKIK8888 PDF.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:639'228 bytes
First seen:2024-02-27 07:39:04 UTC
Last seen:2024-02-27 08:25:00 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:vONSS2iIQrZOMS5+gfmiJAxn2Q2cO9L8vPERqxPfpF:vONS+5ZOMSs2c299L8vPEgPfpF
TLSH T1EFD4232DF712820B1888D9D79A4206B69FE8236D53C9F70A05CCB63FD469F795481CAE
TrID 58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1)
41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Kim Yates <Kim@kimyates.co.uk>" (likely spoofed)
Received: "from kimyates.co.uk (unknown [141.98.10.50]) "
Date: "23 Feb 2024 15:13:08 +0100"
Subject: "My Reservation 25th May 2024"
Attachment: "HKIK8888 PDF.rar"

Intelligence

File Origin
# of uploads :
4
# of downloads :
94
Origin country :
CH CH
File Archive Information

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

File name:HKIK8888 PDF.exe
File size:751'616 bytes
SHA256 hash: c365a6886581c5afdc2bba03f6b8dd4af723c570002d359af8cafa1c145e4adb
MD5 hash: 4d8740caea2a49f020383aa7f800fc6d
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/8f9c045affa12de8d4d40fcfea0f44e9b7fc5135a193767572104e64fc7ff2cf/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook infostealer packed
Link:
https://www.filescan.io/uploads/65dd91d2c5e1a083fbfa56b2/reports/183a85ec-7e8a-40ba-8417-bdfa607d1bfc/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8f9c045affa12de8d4d40fcfea0f44e9b7fc5135a193767572104e64fc7ff2cf
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/8f9c045affa12de8d4d40fcfea0f44e9b7fc5135a193767572104e64fc7ff2cf/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-02-27 07:39:07 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r6oaiwx7uew6rvgub7h6ud2e5g37yujvugjxm5lscbhgj7d76lhq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:he2a rat spyware stealer trojan
Link:
https://tria.ge/reports/240227-kgfqrach8x/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/8f9c045affa12de8d4d40fcfea0f44e9b7fc5135a193767572104e64fc7ff2cf

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: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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

rar 8f9c045affa12de8d4d40fcfea0f44e9b7fc5135a193767572104e64fc7ff2cf

(this sample)

Formbook

Executable exe c365a6886581c5afdc2bba03f6b8dd4af723c570002d359af8cafa1c145e4adb

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 c365a6886581c5afdc2bba03f6b8dd4af723c570002d359af8cafa1c145e4adb
  
Dropping
Formbook

Comments