Analysis

  • max time kernel
    199s
  • max time network
    269s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10/11/2022, 22:18

General

  • Target

    ccf4d5167a10a49756ab0cf8a204b5d1a06356b5e9bdbee58f4eda966ec551a8.exe

  • Size

    2.3MB

  • MD5

    2175015fd052eac3d6feef4e4ad1bd07

  • SHA1

    5a2e91427ede9e558c02ee7186ff68aa491d6def

  • SHA256

    ccf4d5167a10a49756ab0cf8a204b5d1a06356b5e9bdbee58f4eda966ec551a8

  • SHA512

    1429ae1523856b4bb2c161204d6394235e7df0c1427202dec7745c814dc22feb06da6b6c0c89aa6fc395a5042357720208a509fccf9a785526a1adb6cf0c6c82

  • SSDEEP

    49152:o3O30rzwVzO0foG/EKLlh0JM/zLEQ6vKlB:oy0MOQoG/EKL4JJbKlB

Score
10/10

Malware Config

Extracted

Family

systembc

C2

cryptotab.me:4001

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 3 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccf4d5167a10a49756ab0cf8a204b5d1a06356b5e9bdbee58f4eda966ec551a8.exe
    "C:\Users\Admin\AppData\Local\Temp\ccf4d5167a10a49756ab0cf8a204b5d1a06356b5e9bdbee58f4eda966ec551a8.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2020
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D866A0C4-298C-4D01-9105-63ACF69D5917} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\ProgramData\uotw\oloi.exe
      C:\ProgramData\uotw\oloi.exe start2
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1108
    • C:\ProgramData\uotw\oloi.exe
      C:\ProgramData\uotw\oloi.exe start2
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1488

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\uotw\oloi.exe

          Filesize

          2.3MB

          MD5

          2175015fd052eac3d6feef4e4ad1bd07

          SHA1

          5a2e91427ede9e558c02ee7186ff68aa491d6def

          SHA256

          ccf4d5167a10a49756ab0cf8a204b5d1a06356b5e9bdbee58f4eda966ec551a8

          SHA512

          1429ae1523856b4bb2c161204d6394235e7df0c1427202dec7745c814dc22feb06da6b6c0c89aa6fc395a5042357720208a509fccf9a785526a1adb6cf0c6c82

        • C:\ProgramData\uotw\oloi.exe

          Filesize

          2.3MB

          MD5

          2175015fd052eac3d6feef4e4ad1bd07

          SHA1

          5a2e91427ede9e558c02ee7186ff68aa491d6def

          SHA256

          ccf4d5167a10a49756ab0cf8a204b5d1a06356b5e9bdbee58f4eda966ec551a8

          SHA512

          1429ae1523856b4bb2c161204d6394235e7df0c1427202dec7745c814dc22feb06da6b6c0c89aa6fc395a5042357720208a509fccf9a785526a1adb6cf0c6c82

        • C:\ProgramData\uotw\oloi.exe

          Filesize

          2.3MB

          MD5

          2175015fd052eac3d6feef4e4ad1bd07

          SHA1

          5a2e91427ede9e558c02ee7186ff68aa491d6def

          SHA256

          ccf4d5167a10a49756ab0cf8a204b5d1a06356b5e9bdbee58f4eda966ec551a8

          SHA512

          1429ae1523856b4bb2c161204d6394235e7df0c1427202dec7745c814dc22feb06da6b6c0c89aa6fc395a5042357720208a509fccf9a785526a1adb6cf0c6c82

        • memory/1108-62-0x0000000000400000-0x00000000009E0000-memory.dmp

          Filesize

          5.9MB

        • memory/1108-64-0x0000000077C20000-0x0000000077DA0000-memory.dmp

          Filesize

          1.5MB

        • memory/1108-65-0x0000000000400000-0x00000000009E0000-memory.dmp

          Filesize

          5.9MB

        • memory/1108-66-0x0000000077C20000-0x0000000077DA0000-memory.dmp

          Filesize

          1.5MB

        • memory/1108-68-0x0000000077C20000-0x0000000077DA0000-memory.dmp

          Filesize

          1.5MB

        • memory/1488-75-0x0000000077C20000-0x0000000077DA0000-memory.dmp

          Filesize

          1.5MB

        • memory/1488-74-0x0000000000400000-0x00000000009E0000-memory.dmp

          Filesize

          5.9MB

        • memory/1488-73-0x0000000077C20000-0x0000000077DA0000-memory.dmp

          Filesize

          1.5MB

        • memory/1488-71-0x0000000000400000-0x00000000009E0000-memory.dmp

          Filesize

          5.9MB

        • memory/2020-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

          Filesize

          8KB

        • memory/2020-54-0x0000000000400000-0x00000000009E0000-memory.dmp

          Filesize

          5.9MB

        • memory/2020-67-0x0000000077C20000-0x0000000077DA0000-memory.dmp

          Filesize

          1.5MB

        • memory/2020-57-0x0000000000400000-0x00000000009E0000-memory.dmp

          Filesize

          5.9MB

        • memory/2020-56-0x0000000077C20000-0x0000000077DA0000-memory.dmp

          Filesize

          1.5MB

        • memory/2020-58-0x0000000077C20000-0x0000000077DA0000-memory.dmp

          Filesize

          1.5MB