Analysis

  • max time kernel
    235s
  • max time network
    204s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    22-08-2021 13:31

General

  • Target

    896a23da24d13f598955ac6416a311816bf0d6a3d4ab41165d9a4cf6fd8c4433.dll

  • Size

    38KB

  • MD5

    3ead684ebe967074e0f49db375727514

  • SHA1

    cc15ed7972a282fd1dc8da75ef89da0aa215156e

  • SHA256

    896a23da24d13f598955ac6416a311816bf0d6a3d4ab41165d9a4cf6fd8c4433

  • SHA512

    921393d667d1924af9f5ad8f2f2824aa3a1fe534ff178b94ef76bd857eea0a50e549c8517b51ecc2394dc3b97c4286c7c6d57dc99e6bbc51e43537c32b1b4e5e

Score
10/10

Malware Config

Extracted

Path

C:\Users\Admin\Documents\readme.txt

Family

magniber

Ransom Note
ALL YOUR DOCUMENTS PHOTOS DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ==================================================================================================== Your files are NOT damaged! Your files are modified only. This modification is reversible. The only 1 way to decrypt your files is to receive the private key and decryption program. Any attempts to restore your files with the third party software will be fatal for your files! ==================================================================================================== To receive the private key and decryption program follow the instructions below: 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://3e7454b8ee1492a0b0leaxiqtl.iizpmw37xqqwef5363j2l7nmcerqgconfa76ztt6i5uww2qj3muz3bad.onion/leaxiqtl Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://3e7454b8ee1492a0b0leaxiqtl.sadhour.space/leaxiqtl http://3e7454b8ee1492a0b0leaxiqtl.warbill.casa/leaxiqtl http://3e7454b8ee1492a0b0leaxiqtl.ballcan.xyz/leaxiqtl http://3e7454b8ee1492a0b0leaxiqtl.realbar.club/leaxiqtl Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://3e7454b8ee1492a0b0leaxiqtl.iizpmw37xqqwef5363j2l7nmcerqgconfa76ztt6i5uww2qj3muz3bad.onion/leaxiqtl

http://3e7454b8ee1492a0b0leaxiqtl.sadhour.space/leaxiqtl

http://3e7454b8ee1492a0b0leaxiqtl.warbill.casa/leaxiqtl

http://3e7454b8ee1492a0b0leaxiqtl.ballcan.xyz/leaxiqtl

http://3e7454b8ee1492a0b0leaxiqtl.realbar.club/leaxiqtl

Signatures

  • Magniber Ransomware

    Ransomware family widely seen in Asia being distributed by the Magnitude exploit kit.

  • Process spawned unexpected child process 5 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Interacts with shadow copies 2 TTPs 3 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies data under HKEY_USERS 43 IoCs
  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\896a23da24d13f598955ac6416a311816bf0d6a3d4ab41165d9a4cf6fd8c4433.dll,#1
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Windows\system32\wbem\wmic.exe
      C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3156
    • C:\Windows\system32\cmd.exe
      cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3104
      • C:\Windows\system32\wbem\WMIC.exe
        C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1520
    • C:\Windows\system32\cmd.exe
      cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Windows\system32\wbem\WMIC.exe
        C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1492
  • C:\Windows\System32\sihclient.exe
    C:\Windows\System32\sihclient.exe /cv sjuMneG/lkSK2C7c/HduvQ.0.2
    1⤵
    • Modifies data under HKEY_USERS
    PID:4496
  • C:\Windows\system32\cmd.exe
    cmd /c computerdefaults.exe
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\system32\ComputerDefaults.exe
      computerdefaults.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4524
      • C:\Windows\system32\wbem\wmic.exe
        "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
        3⤵
          PID:4032
    • C:\Windows\system32\cmd.exe
      cmd /c computerdefaults.exe
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\system32\ComputerDefaults.exe
        computerdefaults.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1640
        • C:\Windows\system32\wbem\wmic.exe
          "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
          3⤵
            PID:3488
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe Delete Shadows /all /quiet
        1⤵
        • Process spawned unexpected child process
        • Interacts with shadow copies
        PID:2444
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:1688
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe Delete Shadows /all /quiet
          1⤵
          • Process spawned unexpected child process
          • Interacts with shadow copies
          PID:916
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe Delete Shadows /all /quiet
          1⤵
          • Process spawned unexpected child process
          • Interacts with shadow copies
          PID:3736
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
          1⤵
          • Modifies data under HKEY_USERS
          PID:2004
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
          1⤵
            PID:2116

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/908-159-0x0000000000000000-mapping.dmp

          • memory/1492-160-0x0000000000000000-mapping.dmp

          • memory/1520-161-0x0000000000000000-mapping.dmp

          • memory/1640-162-0x0000000000000000-mapping.dmp

          • memory/2004-167-0x000001E88DD60000-0x000001E88DD70000-memory.dmp

            Filesize

            64KB

          • memory/2004-168-0x000001E88DDE0000-0x000001E88DDF0000-memory.dmp

            Filesize

            64KB

          • memory/2004-175-0x000001E88E0C0000-0x000001E88E0C1000-memory.dmp

            Filesize

            4KB

          • memory/2004-174-0x000001E88E1E0000-0x000001E88E1E4000-memory.dmp

            Filesize

            16KB

          • memory/2004-173-0x000001E88E1E0000-0x000001E88E1E1000-memory.dmp

            Filesize

            4KB

          • memory/2004-172-0x000001E88E1F0000-0x000001E88E1F4000-memory.dmp

            Filesize

            16KB

          • memory/2004-171-0x000001E890670000-0x000001E890671000-memory.dmp

            Filesize

            4KB

          • memory/2004-170-0x000001E8906B0000-0x000001E8906B4000-memory.dmp

            Filesize

            16KB

          • memory/2004-169-0x000001E88E1C0000-0x000001E88E1C4000-memory.dmp

            Filesize

            16KB

          • memory/3104-158-0x0000000000000000-mapping.dmp

          • memory/3156-157-0x0000000000000000-mapping.dmp

          • memory/3488-165-0x0000000000000000-mapping.dmp

          • memory/4032-166-0x0000000000000000-mapping.dmp

          • memory/4524-163-0x0000000000000000-mapping.dmp

          • memory/4608-147-0x000001F34FD30000-0x000001F34FD31000-memory.dmp

            Filesize

            4KB

          • memory/4608-164-0x000001F355B00000-0x000001F355B01000-memory.dmp

            Filesize

            4KB

          • memory/4608-148-0x000001F34FD40000-0x000001F34FD41000-memory.dmp

            Filesize

            4KB

          • memory/4608-146-0x000001F34FF40000-0x000001F350353000-memory.dmp

            Filesize

            4.1MB

          • memory/4608-149-0x000001F34FD50000-0x000001F34FD51000-memory.dmp

            Filesize

            4KB

          • memory/4608-150-0x000001F350360000-0x000001F350361000-memory.dmp

            Filesize

            4KB

          • memory/4608-151-0x000001F350370000-0x000001F350371000-memory.dmp

            Filesize

            4KB

          • memory/4608-155-0x000001F3503F0000-0x000001F3503F1000-memory.dmp

            Filesize

            4KB

          • memory/4608-156-0x000001F353FF0000-0x000001F353FF5000-memory.dmp

            Filesize

            20KB

          • memory/4608-154-0x000001F3503E0000-0x000001F3503E1000-memory.dmp

            Filesize

            4KB

          • memory/4608-153-0x000001F3503C0000-0x000001F3503C1000-memory.dmp

            Filesize

            4KB

          • memory/4608-152-0x000001F350380000-0x000001F350381000-memory.dmp

            Filesize

            4KB