Overview

overview

10

Static

static

10

9cf9441554...6a.exe

windows7_x64

10

9cf9441554...6a.exe

windows10_x64

10

Analysis

  • max time kernel
    128s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    05-10-2021 10:30

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General

  • Target

    9cf9441554ac727f9d191ad9de1dc101867ffe5264699cafcf2734a4b89d5d6a.exe

  • Size

    78KB

  • MD5

    d298d54961823dd20b7a4d14b9326964

  • SHA1

    5b70fd4f2ef2000cf2af1d2eb8a5158cc8802c90

  • SHA256

    9cf9441554ac727f9d191ad9de1dc101867ffe5264699cafcf2734a4b89d5d6a

  • SHA512

    64be2de822607f8d85066a972468528706133cc3133f90f0fb51cd5874e83d0bce5d240d9aabc021730dbd654a26069933850db5de895011fc4d4045564ba6ca

Score
10/10
blackmatterransomwaresuricata

Malware Config

Extracted

Path

C:\1rWCqamCt.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/1ILW209PJZUAJJEX >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/1ILW209PJZUAJJEX

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

    suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

    suricata
  • suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

    suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

    suricata
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies registry class 20 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cf9441554ac727f9d191ad9de1dc101867ffe5264699cafcf2734a4b89d5d6a.exe
    "C:\Users\Admin\AppData\Local\Temp\9cf9441554ac727f9d191ad9de1dc101867ffe5264699cafcf2734a4b89d5d6a.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\1rWCqamCt.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:1360
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1620
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1620-68-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1620-69-0x0000000004140000-0x0000000004141000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1976-60-0x0000000075B31000-0x0000000075B33000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1976-62-0x0000000000960000-0x0000000000961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1976-61-0x0000000000965000-0x0000000000976000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1976-63-0x0000000000976000-0x0000000000977000-memory.dmp

    Filesize

    4KB

    Download