MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5bc8a4b4bdd0dc3e44464209633552f942177d93bc2d9a957d4e434c5e8b0f9. 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: c5bc8a4b4bdd0dc3e44464209633552f942177d93bc2d9a957d4e434c5e8b0f9
SHA3-384 hash: fe217231ae1aa1ee28663751fcbc6815ccd1c7d49bd467e196101e0ff5f048dbfa4649aecb3103cc62cf7b58402e20ab
SHA1 hash: df36432bc55af3ef3271b7f7200406c51e7f28a1
MD5 hash: 3fa620586430b9dd99c04f2cd2a19ee3
humanhash: timing-eight-montana-earth
File name:Invoice.rar
Download: download sample
Signature Formbook
File size:788'008 bytes
First seen:2023-06-09 09:00:25 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:dk3XjiWtcUeVxeftyM07L0Wpg6bjm0lwBHMLPnZlgCcJvW8QoUwERCy4giaAfx4L:eXjosfPxWO10OybgtJ+nRCy4bxwBrpx
TLSH T170F423C94C831E36C479E5D585DF7CFF4E3E21C1ADB02A225EEC6B50A92881831975FA
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 payment rar


Avatar
cocaman
Malicious email (T1566.001)
From: ""Anwar Marcus" <mahindranorthcoast@telkomsa.net>" (likely spoofed)
Received: "from telkomsa.net (unknown [185.222.57.84]) "
Date: "7 Jun 2023 00:12:04 +0200"
Subject: "RE: Confirm revised invoice to proceed with payment ASAP."
Attachment: "Invoice.rar"

Intelligence


File Origin
# of uploads :
1
# of downloads :
96
Origin country :
CH CH
File Archive Information

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

File name:Invoice.exe
File size:846'848 bytes
SHA256 hash: 395133081793df5c1542b9e77a64a5271d1b358c1a7db674108a7624a9104809
MD5 hash: 62f18cccad8ad9056639f5894b1fa5cd
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bladabindi 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.AgentTesla
Status:
Malicious
First seen:
2023-06-06 23:47:00 UTC
File Type:
Binary (Archive)
Extracted files:
6
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
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 c5bc8a4b4bdd0dc3e44464209633552f942177d93bc2d9a957d4e434c5e8b0f9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments