Analysis

  • max time kernel
    1194s
  • max time network
    1208s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    11/11/2021, 17:10

General

  • Target

    78556a2fc01c40f64f11c76ef26ec3ff.exe

  • Size

    4.9MB

  • MD5

    78556a2fc01c40f64f11c76ef26ec3ff

  • SHA1

    b66a7117d0e22dc0421337e20612ea08f1b2c9e3

  • SHA256

    7d3192cad53f934173187f91d8555065d69e09b4f127275a1d47f9f1f9405c5c

  • SHA512

    c001603616e7539612e75707664c5356f3fc16a2e6e9033a77f0d4f3cf2854a71310f194e8d9f41207f41c1b60bd7b8fcd49797ba3cfc96a2d406bc55ab104d3

Malware Config

Signatures

  • StrongPity

    StrongPity is a spyware developed by PROMETHIUM APT group mainly used in government sponsored attacks.

  • StrongPity Spyware 3 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Executes dropped EXE 4 IoCs
  • Sets service image path in registry 2 TTPs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78556a2fc01c40f64f11c76ef26ec3ff.exe
    "C:\Users\Admin\AppData\Local\Temp\78556a2fc01c40f64f11c76ef26ec3ff.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Users\Admin\AppData\Local\Temp\npp.8.1.7.Installer.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\npp.8.1.7.Installer.x64.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1012
    • C:\Windows\SysWOW64\winpickr.exe
      C:\Windows\system32\\winpickr.exe update
      2⤵
      • Executes dropped EXE
      PID:476
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe e9c9949297a9b53d28d70458f37a614e 3/aaMElYZ0uRt/xCEjQ3LQ.0.1.0.3.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:1436
  • C:\Windows\SysWOW64\winpickr.exe
    C:\Windows\SysWOW64\winpickr.exe
    1⤵
    • Executes dropped EXE
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\ProgramData\Microsoft\WindowsData\ntuis32.exe
      "C:\ProgramData\Microsoft\WindowsData\ntuis32.exe"
      2⤵
      • Executes dropped EXE
      PID:1524
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2400
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
      C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
      2⤵
        PID:2216
      • C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
        C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
        2⤵
          PID:3260
        • C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
          C:\Windows\uus\AMD64\MoUsoCoreWorker.exe
          2⤵
            PID:3312
        • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.22000.100_none_04da31ff4c67c24a\TiWorker.exe
          C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.22000.100_none_04da31ff4c67c24a\TiWorker.exe -Embedding
          1⤵
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          PID:3992
        • C:\Windows\System32\WaaSMedicAgent.exe
          C:\Windows\System32\WaaSMedicAgent.exe e9c9949297a9b53d28d70458f37a614e 3/aaMElYZ0uRt/xCEjQ3LQ.0.1.0.3.0
          1⤵
          • Modifies data under HKEY_USERS
          PID:1964
        • C:\Windows\System32\WaaSMedicAgent.exe
          C:\Windows\System32\WaaSMedicAgent.exe e9c9949297a9b53d28d70458f37a614e 3/aaMElYZ0uRt/xCEjQ3LQ.0.1.0.3.0
          1⤵
          • Modifies data under HKEY_USERS
          PID:3948

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2400-156-0x000001CC94070000-0x000001CC94074000-memory.dmp

          Filesize

          16KB

        • memory/2400-154-0x000001CC91920000-0x000001CC91930000-memory.dmp

          Filesize

          64KB

        • memory/2400-155-0x000001CC919A0000-0x000001CC919B0000-memory.dmp

          Filesize

          64KB

        • memory/2400-165-0x000001CC94090000-0x000001CC94094000-memory.dmp

          Filesize

          16KB

        • memory/2400-166-0x000001CC93FB0000-0x000001CC93FB1000-memory.dmp

          Filesize

          4KB

        • memory/2400-168-0x000001CC93F70000-0x000001CC93F71000-memory.dmp

          Filesize

          4KB