Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 02:03

General

  • Target

    0b04effb568f5aa8b85e19c19033f5f6.exe

  • Size

    466KB

  • MD5

    0b04effb568f5aa8b85e19c19033f5f6

  • SHA1

    70a66fdb5e88becd5c93e154c6388d5de92fcc41

  • SHA256

    448cd0fee889c5fe4a0fc20351eb033b345bb0e557d22251cca2cf881d2ce885

  • SHA512

    22481999a5b07161240b03fb5826297b0dedb26260a52d15f634521a153d5dda1106c34cf18192f27d57591b8c4736f61311a5b267ea20e6610600d7885eb532

  • SSDEEP

    12288:gBSKHQxVQdLWIPwuZS3+mGExxGetNtTirdKozH5:g4QsI4uAOexxG+TEdKc

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies data under HKEY_USERS 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b04effb568f5aa8b85e19c19033f5f6.exe
    "C:\Users\Admin\AppData\Local\Temp\0b04effb568f5aa8b85e19c19033f5f6.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3056
  • C:\Windows\SYSTEM.ini
    C:\Windows\SYSTEM.ini
    1⤵
    • Executes dropped EXE
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
        PID:520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SYSTEM.ini

      Filesize

      466KB

      MD5

      0b04effb568f5aa8b85e19c19033f5f6

      SHA1

      70a66fdb5e88becd5c93e154c6388d5de92fcc41

      SHA256

      448cd0fee889c5fe4a0fc20351eb033b345bb0e557d22251cca2cf881d2ce885

      SHA512

      22481999a5b07161240b03fb5826297b0dedb26260a52d15f634521a153d5dda1106c34cf18192f27d57591b8c4736f61311a5b267ea20e6610600d7885eb532

    • memory/3056-0-0x0000000000400000-0x00000000004EF000-memory.dmp

      Filesize

      956KB

    • memory/3056-2-0x00000000003D0000-0x00000000003D1000-memory.dmp

      Filesize

      4KB

    • memory/3056-22-0x00000000023B0000-0x00000000023B1000-memory.dmp

      Filesize

      4KB

    • memory/3056-56-0x0000000002610000-0x0000000002611000-memory.dmp

      Filesize

      4KB

    • memory/3056-57-0x0000000002670000-0x0000000002671000-memory.dmp

      Filesize

      4KB

    • memory/3056-63-0x00000000031D0000-0x00000000031D1000-memory.dmp

      Filesize

      4KB

    • memory/3056-62-0x00000000031E0000-0x00000000031E1000-memory.dmp

      Filesize

      4KB

    • memory/3056-61-0x00000000031B0000-0x00000000031B1000-memory.dmp

      Filesize

      4KB

    • memory/3056-60-0x00000000031C0000-0x00000000031C1000-memory.dmp

      Filesize

      4KB

    • memory/3056-59-0x0000000002820000-0x0000000002821000-memory.dmp

      Filesize

      4KB

    • memory/3056-58-0x0000000002830000-0x0000000002831000-memory.dmp

      Filesize

      4KB

    • memory/3056-55-0x00000000003F0000-0x00000000003F1000-memory.dmp

      Filesize

      4KB

    • memory/3056-54-0x00000000026C0000-0x00000000026C1000-memory.dmp

      Filesize

      4KB

    • memory/3056-53-0x00000000026D0000-0x00000000026D1000-memory.dmp

      Filesize

      4KB

    • memory/3056-52-0x00000000026A0000-0x00000000026A1000-memory.dmp

      Filesize

      4KB

    • memory/3056-51-0x00000000026B0000-0x00000000026B1000-memory.dmp

      Filesize

      4KB

    • memory/3056-50-0x0000000002680000-0x0000000002681000-memory.dmp

      Filesize

      4KB

    • memory/3056-49-0x0000000002690000-0x0000000002691000-memory.dmp

      Filesize

      4KB

    • memory/3056-48-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/3056-47-0x0000000002620000-0x0000000002621000-memory.dmp

      Filesize

      4KB

    • memory/3056-46-0x0000000002630000-0x0000000002631000-memory.dmp

      Filesize

      4KB

    • memory/3056-45-0x0000000002640000-0x0000000002641000-memory.dmp

      Filesize

      4KB

    • memory/3056-44-0x0000000002600000-0x0000000002601000-memory.dmp

      Filesize

      4KB

    • memory/3056-43-0x00000000025E0000-0x00000000025E1000-memory.dmp

      Filesize

      4KB

    • memory/3056-42-0x00000000025F0000-0x00000000025F1000-memory.dmp

      Filesize

      4KB

    • memory/3056-41-0x00000000025C0000-0x00000000025C1000-memory.dmp

      Filesize

      4KB

    • memory/3056-40-0x00000000025D0000-0x00000000025D1000-memory.dmp

      Filesize

      4KB

    • memory/3056-39-0x00000000025A0000-0x00000000025A1000-memory.dmp

      Filesize

      4KB

    • memory/3056-38-0x00000000025B0000-0x00000000025B1000-memory.dmp

      Filesize

      4KB

    • memory/3056-37-0x0000000002580000-0x0000000002581000-memory.dmp

      Filesize

      4KB

    • memory/3056-36-0x0000000002590000-0x0000000002591000-memory.dmp

      Filesize

      4KB

    • memory/3056-35-0x0000000002560000-0x0000000002561000-memory.dmp

      Filesize

      4KB

    • memory/3056-34-0x0000000002570000-0x0000000002571000-memory.dmp

      Filesize

      4KB

    • memory/3056-33-0x0000000002540000-0x0000000002541000-memory.dmp

      Filesize

      4KB

    • memory/3056-32-0x0000000002550000-0x0000000002551000-memory.dmp

      Filesize

      4KB

    • memory/3056-31-0x0000000002420000-0x0000000002421000-memory.dmp

      Filesize

      4KB

    • memory/3056-30-0x0000000002430000-0x0000000002431000-memory.dmp

      Filesize

      4KB

    • memory/3056-29-0x0000000002400000-0x0000000002401000-memory.dmp

      Filesize

      4KB

    • memory/3056-28-0x0000000002410000-0x0000000002411000-memory.dmp

      Filesize

      4KB

    • memory/3056-27-0x00000000023E0000-0x00000000023E1000-memory.dmp

      Filesize

      4KB

    • memory/3056-26-0x00000000023F0000-0x00000000023F1000-memory.dmp

      Filesize

      4KB

    • memory/3056-25-0x00000000023C0000-0x00000000023C1000-memory.dmp

      Filesize

      4KB

    • memory/3056-24-0x00000000023D0000-0x00000000023D1000-memory.dmp

      Filesize

      4KB

    • memory/3056-23-0x00000000023A0000-0x00000000023A1000-memory.dmp

      Filesize

      4KB

    • memory/3056-21-0x0000000002070000-0x0000000002071000-memory.dmp

      Filesize

      4KB

    • memory/3056-20-0x0000000002080000-0x0000000002081000-memory.dmp

      Filesize

      4KB

    • memory/3056-19-0x0000000002050000-0x0000000002051000-memory.dmp

      Filesize

      4KB

    • memory/3056-18-0x0000000002060000-0x0000000002061000-memory.dmp

      Filesize

      4KB

    • memory/3056-17-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

      Filesize

      4KB

    • memory/3056-16-0x0000000002000000-0x0000000002001000-memory.dmp

      Filesize

      4KB

    • memory/3056-15-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

      Filesize

      4KB

    • memory/3056-14-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

      Filesize

      4KB

    • memory/3056-13-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

      Filesize

      4KB

    • memory/3056-12-0x0000000001F50000-0x0000000001F51000-memory.dmp

      Filesize

      4KB

    • memory/3056-11-0x00000000007E0000-0x00000000007E1000-memory.dmp

      Filesize

      4KB

    • memory/3056-10-0x00000000007D0000-0x00000000007D1000-memory.dmp

      Filesize

      4KB

    • memory/3056-9-0x0000000001F40000-0x0000000001F41000-memory.dmp

      Filesize

      4KB

    • memory/3056-8-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

      Filesize

      4KB

    • memory/3056-7-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

      Filesize

      4KB

    • memory/3056-6-0x0000000001F20000-0x0000000001F26000-memory.dmp

      Filesize

      24KB

    • memory/3056-5-0x0000000001F30000-0x0000000001F33000-memory.dmp

      Filesize

      12KB

    • memory/3056-4-0x0000000000250000-0x0000000000251000-memory.dmp

      Filesize

      4KB

    • memory/3056-3-0x0000000000260000-0x0000000000261000-memory.dmp

      Filesize

      4KB

    • memory/3056-1-0x0000000000330000-0x0000000000373000-memory.dmp

      Filesize

      268KB

    • memory/3056-99-0x0000000000400000-0x00000000004EF000-memory.dmp

      Filesize

      956KB