MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f5f1d35904237bc289b6a876f07773c1492e8f98a0eb8d379ccc0a64e360638. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f5f1d35904237bc289b6a876f07773c1492e8f98a0eb8d379ccc0a64e360638
SHA3-384 hash: 65f5db9a81eb1c5cfa740b59fbcb81789abdb846a574b4b5105e6675c1dda17369ff0996c39abc16531d1f27655cec4a
SHA1 hash: 851b7b24dd3453471ea8ba6aefafd79f7b5a413a
MD5 hash: 6ae0780078c3d9b75cb489a861ac8843
humanhash: delaware-louisiana-leopard-muppet
File name:Bank Swift Validation.xlsx
Download: download sample
Signature Formbook
Create hunting rule
File size:794'624 bytes
First seen:2020-08-13 14:37:34 UTC
Last seen:2020-08-14 09:35:07 UTC
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 12288:xP3bRqvp3/xoOxeClWjmk/it3/rAlDceL4yWXXu3zCXvldTTF/RQAXqhR2qxVPdn:l3YR3/xopKkx5cegl7RXqh0qfP
TLSH 05F4231BADB91D53E057BB387A19E48A296FADA4C630F08B125C7D81F0313B9C5D4F68
Reporter abuse_ch
Tags:CVE-2017-11882 FormBook xlsx


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: vpsquipons.vservers.es
Sending IP: 149.62.169.219
From: Arctic Shipping Corporation <jmfelismeno@arcticshipping.com.ph>
Subject: Re: Statement of Account(S.O.A) July 2020
Attachment: Bank Swift Validation.xlsx

Formbook payload URL:
http://wsdyunitedfrkesokoriorimistreetsm47yra.duckdns.org/chnsfrnd1/vbc.exe

Formbook C2:
http://www.glamotd.com/pth/

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Doc.Packed.EncryptedDoc-6563700-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
DNS request
Creating a file in the %AppData% directory
Launching cmd.exe command interpreter
Deleting a recently created file
Setting browser functions hooks
Sending an HTTP GET request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/426636
Signature
(
)
.
a
b
c
d
e
f
g
i
l
m
n
O
p
r
s
t
u
v
X
y
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265968 Sample: Bank Swift Validation.xlsx Startdate: 15/08/2020 Architecture: WINDOWS Score: 48 12 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->12 6 EXCEL.EXE 160 50 2->6         started        8 mspaint.exe 27 2 2->8         started        process3 process4 10 splwow64.exe 6->10         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f5f1d35904237bc289b6a876f07773c1492e8f98a0eb8d379ccc0a64e360638/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 14:39:07 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5pr2nmqii33yke3nkdw6b3xhqkjf2hzrihlru3zztakmtrway4a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200813-6daxknx64x/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Blacklisted process makes network request
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.glamotd.com/pth/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1f5f1d35904237bc289b6a876f07773c1492e8f98a0eb8d379ccc0a64e360638

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Malspam

Formbook

Excel file xlsx 1f5f1d35904237bc289b6a876f07773c1492e8f98a0eb8d379ccc0a64e360638

(this sample)

Formbook

Executable exe 001bf57ded55236e2f1f0bbf7bf313b5397d955a9ce80009b2ac61b3f84e5544

  
URLhaus
https://urlhaus.abuse.ch/url/432014/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 001bf57ded55236e2f1f0bbf7bf313b5397d955a9ce80009b2ac61b3f84e5544
  
Dropping
MD5 bd5aef7848775f79ddd4820775b2a3ca

Comments