MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb771f2192494023b1fbad8942e8d4f73c260ad9d40840fa192d755189961b3. 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 2 File information Comments

SHA256 hash: efb771f2192494023b1fbad8942e8d4f73c260ad9d40840fa192d755189961b3
SHA3-384 hash: 8d4f25f966603565e23306f04bfdefba3130232a6d5b5d8b9cbdba14a83a592b1468cb9504d83e4672a552d211197ccf
SHA1 hash: 90920ee7667657422ccf05133b77b3c1f50ccf0d
MD5 hash: 1a8ea472a0ac9bce55b509987177da0f
humanhash: kentucky-emma-colorado-twelve
File name:PI.rar
Download: download sample
Signature Formbook
File size:649'623 bytes
First seen:2023-06-08 08:07:49 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:5Ts9HPhIY0H10xrI9ZBgTVn49lABfK6/2AaSFBs3h5fpV3uyNcHE0MR:GHqvH10xURgTa29/VE5fpV3uRkz
TLSH T116D423329584D0BE4322EF96E3E6307D05A794B6B6510C9DA7AC7D01BB86C14CEB49FC
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: ""Miyuki Kase" <sales@domotech.com>" (likely spoofed)
Received: "from domotech.com (unknown [185.222.57.71]) "
Date: "5 Jun 2023 05:23:49 +0200"
Subject: "RE: Revise PI"
Attachment: "PI.rar"

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
CH CH
File Archive Information

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

File name:PI.exe
File size:707'584 bytes
SHA256 hash: 19b7214fa574ae296ae0494841dbd55d213c422c8872867e1be8969bb6d0e812
MD5 hash: f94ab334453121d31cfe16bef56d42b9
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
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:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-06-05 02:56:26 UTC
File Type:
Binary (Archive)
Extracted files:
32
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 efb771f2192494023b1fbad8942e8d4f73c260ad9d40840fa192d755189961b3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments