MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15f8cb0332203ee3305fb863a9f833d41266f9be9d677aa7ece33bcee8441498. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15f8cb0332203ee3305fb863a9f833d41266f9be9d677aa7ece33bcee8441498
SHA3-384 hash: cf7719eb3dafa739320a906e7dc039a83441c18267fd09a01a24a6844288c90e8634052c62ef95fb7d75d0a1fee9c00f
SHA1 hash: 46e93cfc6ea015c31231439dff97cd30b66228ef
MD5 hash: 0c2c1c78bc66d3fa8de375a13c149609
humanhash: vegan-alanine-berlin-ten
File name:Docs2.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:572'928 bytes
First seen:2020-08-18 11:16:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:RD5xkZiE05iCK6sI3UalzXtxuRZk+vPb:v6IE0ICK6dBlXuRe+7
Threatray 2'258 similar samples on MalwareBazaar
TLSH 69C4D03632D0E674D17A53368CA97C7003F9BC16E512E75A6CDCB2CD0A72F564B22AC6
Reporter abuse_ch
Tags:exe FormBook Hostwinds


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: hwsrv-761734.hostwindsdns.com
Sending IP: 192.119.110.150
From: Jery Lisa <ashley@textileexchange.org>
Subject: Fw:Re: New order for shipment require
Attachment: Docs2.img (contains "Docs2.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47730/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/15f8cb0332203ee3305fb863a9f833d41266f9be9d677aa7ece33bcee8441498/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 11:18:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cx4mwazsea7ogmc7xbr2t6bt2qjgn6n6tvtxvj7m4m5452cecsma._file
Verdict:
malicious
Similar samples:
08b47c6d183afb72f383ced4639ba73a03d9b36f06617585b3a3d28b69d1ce9f
FormBook
0e596eee578e5cc009d172a7dbae0cf150bbf925360389b9961e67c60ab8f3a2
FormBook
179043e8eb7c06144c67f58b2c2900ad10303862c0e5cd7e1fe5a4faf853f103
FormBook
52487a544f6987349f5cab38dd1cfdd2aac0ac6efff911fc171a1ae844bd9f87
FormBook
5d23715d3724a6a10e1af754d9fd8209a399164c65d020eceaa8aa1ff93879be
FormBook
700f8405954cf77a38e6b103b33e4c7164202e9126b3b76044be35510b2bf440
FormBook
9ddbf1453097473cfa4eb4c1a28a6f4a2ecdac3b24179e6fd88d3444bf96ec23
FormBook
b9cd83c667b694ec10f884183b138beeb0f986a7d3c50af463535852f2fa0663
FormBook
d05efc3d09d7c08668da10c09101815e0af2f3376a03512e959ca467835b9c26
FormBook
f80c8e9d0e8ed0ffa6b7d8620a0eb890deb7c9dc84dca3198b3d2625bf5d1099
FormBook
+ 2'248 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200818-mlkj9t7wcn/
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lonxer.com/hgn/
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:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

File information

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

Malspam

FormBook

img 37979482fb94c751c9621e70f19ee41d28181db9d7bc0549ff33e179a8082dcc

FormBook

Executable exe 15f8cb0332203ee3305fb863a9f833d41266f9be9d677aa7ece33bcee8441498

(this sample)

  
Dropped by
MD5 a2acdebfce5a86c6ed8c4f08f4845a05
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47730/
  
Dropped by
SHA256 37979482fb94c751c9621e70f19ee41d28181db9d7bc0549ff33e179a8082dcc

Comments