MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24d8103f7221bdddb23e2e2b901aa35238ab8369eda3c50eb3459cc1c7fec56b. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 24d8103f7221bdddb23e2e2b901aa35238ab8369eda3c50eb3459cc1c7fec56b
SHA3-384 hash: 753017b2b346adf0931779686f739a9761f7793f3c4447d1760cb87a08098c25c71216db58d3b1bb22fbdb3508ee0d2c
SHA1 hash: 34c28f3197399919d9724dc1430f44ef73e84812
MD5 hash: f5035e891e7f264f431c8b5f28509e72
humanhash: timing-west-yankee-eighteen
File name:TERMS.xlsm
Download: download sample
Signature Formbook
Create hunting rule
File size:120'388 bytes
First seen:2020-07-24 11:06:07 UTC
Last seen:2020-07-26 11:32:38 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:deYVepuW3riUK34o/6AIFjRSa7XFlS+6cg2TgXeSU1i:0qA9rizojjVlUcBul
TLSH 8DC3126DBB94B901CE8EBAF1C33EC5DC6435A301E469D40B62F5B03950C2E6C2D93A5E
Reporter abuse_ch
Tags:FormBook HostGator xlsm


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: gateway33.websitewelcome.com
Sending IP: 192.185.145.221
From: lebere@schmitz-soehne.fr
Subject: Request for Schmitz
Attachment: TERMS.xlsm

Formbook payload URL:
http://heliosphere.us/temp/terfdcv.exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Heur.Macro.Generic.h.7fc63345.13501.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Deleting a recently created file
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
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:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/397314
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 250923 Sample: TERMS.xlsm Startdate: 24/07/2020 Architecture: WINDOWS Score: 100 63 www.simplexgaming.com 2->63 85 Multi AV Scanner detection for domain / URL 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 Multi AV Scanner detection for dropped file 2->89 91 13 other signatures 2->91 12 EXCEL.EXE 185 51 2->12         started        signatures3 process4 dnsIp5 67 heliosphere.us 206.123.159.191, 49739, 80 HVC-ASUS United States 12->67 51 C:\Users\user\AppData\...\terfdcv[1].exe, PE32 12->51 dropped 53 C:\Users\Public\lvxkzlyod.exe, PE32 12->53 dropped 55 C:\Users\user\Desktop\~$TERMS.xlsm, data 12->55 dropped 107 Document exploit detected (creates forbidden files) 12->107 109 Document exploit detected (process start blacklist hit) 12->109 17 lvxkzlyod.exe 3 12->17         started        file6 signatures7 process8 file9 45 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 17->45 dropped 77 Multi AV Scanner detection for dropped file 17->77 79 Machine Learning detection for dropped file 17->79 81 Writes to foreign memory regions 17->81 83 2 other signatures 17->83 21 AddInProcess32.exe 17->21         started        24 WerFault.exe 27 10 17->24         started        signatures10 process11 signatures12 95 Modifies the context of a thread in another process (thread injection) 21->95 97 Maps a DLL or memory area into another process 21->97 99 Sample uses process hollowing technique 21->99 101 2 other signatures 21->101 26 explorer.exe 1 4 21->26 injected process13 dnsIp14 65 www.jwioe.com 154.92.166.32, 49747, 80 PEGTECHINCUS Seychelles 26->65 49 C:\Users\user\AppData\...\vga4h1dnjq.exe, PE32 26->49 dropped 103 System process connects to network (likely due to code injection or exploit) 26->103 105 Benign windows process drops PE files 26->105 31 cscript.exe 1 19 26->31         started        file15 signatures16 process17 file18 57 C:\Users\user\AppData\...\7MNlogrv.ini, data 31->57 dropped 59 C:\Users\user\AppData\...\7MNlogri.ini, data 31->59 dropped 61 C:\Users\user\AppData\...\7MNlogrf.ini, data 31->61 dropped 69 Detected FormBook malware 31->69 71 Tries to steal Mail credentials (via file access) 31->71 73 Tries to harvest and steal browser information (history, passwords, etc) 31->73 75 3 other signatures 31->75 35 cmd.exe 2 31->35         started        39 cmd.exe 1 31->39         started        signatures19 process20 file21 47 C:\Users\user\AppData\Local\Temp\DB1, SQLite 35->47 dropped 93 Tries to harvest and steal browser information (history, passwords, etc) 35->93 41 conhost.exe 35->41         started        43 conhost.exe 39->43         started        signatures22 process23
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/24d8103f7221bdddb23e2e2b901aa35238ab8369eda3c50eb3459cc1c7fec56b/
Threat name:
Script.Downloader.Obfuser
Create hunting rule
Status:
Malicious
First seen:
2020-07-24 11:08:06 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=etmbap3seg653mr6fyvzagvdki4kxa3j5wr4kdvtiwomdr76yvvq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/200724-t6mwzbjacj/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Office loads VBA resources, possible macro or embedded object present
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dropper
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/24d8103f7221bdddb23e2e2b901aa35238ab8369eda3c50eb3459cc1c7fec56b

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 xlsm 24d8103f7221bdddb23e2e2b901aa35238ab8369eda3c50eb3459cc1c7fec56b

(this sample)

Formbook

Executable exe 8c2d2663a4c8cf961eb6e47123054f1dd40a7c23bf663762b0f0fc827b6b44f7

  
URLhaus
https://urlhaus.abuse.ch/url/418757/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 8c2d2663a4c8cf961eb6e47123054f1dd40a7c23bf663762b0f0fc827b6b44f7
  
Dropping
MD5 cfd7c1f8740ca02f97a919d1ad537a1d

Comments