MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20fad955073b67de1829429f5d7c890314374b66403ca73a53f47d05060be685. 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
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SHA256 hash: 20fad955073b67de1829429f5d7c890314374b66403ca73a53f47d05060be685
SHA3-384 hash: 77db6df3baaff2b31c9c7667f6b5964ba83fbf3e14a505c279028fee9f85a51f99d6536f6a49f762d71a42b76360f567
SHA1 hash: c84a2017156bbd0a7af90ee982dc57028ab1f74a
MD5 hash: 8a497f39ea9261643cf5bbeab8d5e731
humanhash: stairway-five-violet-pluto
File name:New Order.xlsx
Download: download sample
Signature Formbook
Create hunting rule
File size:847'360 bytes
First seen:2020-08-13 10:23:14 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 24576:nYapvxHqprGSt1rcbPsYuVrjRALD7sNzpEUY:njvxHqpS0puPc6g3/Y
TLSH B105233C99FDE613ED57463B2812C9B4739C9E89A349FC4356523111A638FB063EBA1C
Reporter abuse_ch
Tags:FormBook xlsx


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail.bpddiy.co.id
Sending IP: 103.23.175.8
From: Divisi Manajemen Risiko dan Kepatuhan <mr@bpddiy.co.id>
Subject: Urgent Response
Attachment: New Order.xlsx

Formbook paylod URL:
http://alnewsdybeautyparadiseturigelifeloja7kdw.duckdns.org/alndoc/regasm.exe

Intelligence

File Origin
# of uploads :
1
# 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/425823
Signature
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Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265483 Sample: New Order.xlsx Startdate: 14/08/2020 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 169 52 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/20fad955073b67de1829429f5d7c890314374b66403ca73a53f47d05060be685/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 10:25:06 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ed5nsvihhnt54gbjikpv27ejamkdos3gia6koost6r6qkbql42cq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/200813-jvcgaf46ha/
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.ranges-xx.com/fju2/
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/20fad955073b67de1829429f5d7c890314374b66403ca73a53f47d05060be685

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 20fad955073b67de1829429f5d7c890314374b66403ca73a53f47d05060be685

(this sample)

Formbook

Executable exe 69603474b5d9518e9bb1f390b790dc16e6850b56ed1b4f7d4ea6bba46ff75f69

  
URLhaus
https://urlhaus.abuse.ch/url/431781/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 69603474b5d9518e9bb1f390b790dc16e6850b56ed1b4f7d4ea6bba46ff75f69
  
Dropping
MD5 8b62fffa15311d690337b50e1f0b3251

Comments