MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a3caa4c686b4550bb1533457279c939478176573e1b59c1f29fa964b2b3636d. 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: 6


Intelligence 6 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a3caa4c686b4550bb1533457279c939478176573e1b59c1f29fa964b2b3636d
SHA3-384 hash: 81bfc17883d6e59c42174122bacb466c30b2085010c13108d5c3124e06aa856285e80a2e86bd7097750b31002b3402cf
SHA1 hash: 3e4ad5dc80eb4674a0a4d446683c2b6f2a1ab4ef
MD5 hash: 0ff71a961662601cfc722d62c29c3ce3
humanhash: music-cat-harry-pip
File name:doc04932620220119130914.gz
Download: download sample
Signature Formbook
Create hunting rule
File size:333'608 bytes
First seen:2022-01-19 16:30:11 UTC
Last seen:Never
File type: gz
MIME type:application/x-rar
ssdeep 6144:M9+F6wqxsJFJKpSjX+8BecvUxrLPpUgsKSirNRYvvZ5qdl3XPVYc9CqJ0WF0:M9cz5TecMxXkwRY3Z5+ckCqJxF0
TLSH T17C6423DD6CDD6DD72EB9BA30BC496A2101934AD65AC51520CA22C53EB0CC19D3FC60FB
Reporter cocaman
Tags:FormBook gz


Avatar
cocaman
Malicious email (T1566.001)
From: "=?UTF-8?B?SmF2aWVyIE11w7FveiBSb2phcw==?= <jmunoz@skt.cl>" (likely spoofed)
Received: "from skt.cl (unknown [185.222.58.123]) "
Date: "19 Jan 2022 16:52:25 +0100"
Subject: "LPO"
Attachment: "doc04932620220119130914.gz"

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed print.exe wab.exe
Link:
https://www.filescan.io/uploads/61e83cd20f8c757253cd082f/reports/5bb0fd77-48ca-4c97-b091-2fe84b1ec78f/overview
Result
Verdict:
UNKNOWN
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/5a3caa4c686b4550bb1533457279c939478176573e1b59c1f29fa964b2b3636d/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-19 13:57:55 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
12 of 43 (27.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=li6kutdinncvboyvgncxe6ojhfdyc5sxhynvtqpst6uwjmvtmnwq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:n8bs loader rat
Link:
https://tria.ge/reports/220119-t1dj6sbeg4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/5a3caa4c686b4550bb1533457279c939478176573e1b59c1f29fa964b2b3636d

File information

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

Malspam

Formbook

gz 5a3caa4c686b4550bb1533457279c939478176573e1b59c1f29fa964b2b3636d

(this sample)

Formbook

Executable exe 1ba44ecb694a9caadfeef6488cf3f666399dd6ae2b3c795f0c877d0e48df616e

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 1ba44ecb694a9caadfeef6488cf3f666399dd6ae2b3c795f0c877d0e48df616e

Comments