Analysis

  • max time kernel
    163s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19-02-2022 18:52

General

  • Target

    ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe

  • Size

    38KB

  • MD5

    931a0e4366ec0a367baeb57b2570c9c9

  • SHA1

    0564f05769f39350506b65230915f2595b35fb30

  • SHA256

    ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28

  • SHA512

    24422c033bb478bc4d83e0a249b426b2cef32e02e14170cc57aa8dd8be2556cad3658e9832796b869851adb0dda22eb78447d963e01b58ebe98bcc133a6d7028

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 3 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 49 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe
    "C:\Users\Admin\AppData\Local\Temp\ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:112
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:932
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2268
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3756
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k wusvcs -p
    1⤵
      PID:2948

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    3
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      MD5

      24a55a0102f9a4d8782f87fb59824492

      SHA1

      0fa9cace9e8eef1ac5a9617d8e5f79c29da532c5

      SHA256

      cadc37a631a3ebcca62d4258f772fd470049328bf44746b28329ac8a3376e526

      SHA512

      ae6012dafb4ad9973cfe0a0956ae3ae0ed83af8c3f2d0430ed642e804f46e2f9bc65e90558c4bc994ff83c4fa711edfd2e598ab191ca57f015a6840dbccecd60

    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      MD5

      24a55a0102f9a4d8782f87fb59824492

      SHA1

      0fa9cace9e8eef1ac5a9617d8e5f79c29da532c5

      SHA256

      cadc37a631a3ebcca62d4258f772fd470049328bf44746b28329ac8a3376e526

      SHA512

      ae6012dafb4ad9973cfe0a0956ae3ae0ed83af8c3f2d0430ed642e804f46e2f9bc65e90558c4bc994ff83c4fa711edfd2e598ab191ca57f015a6840dbccecd60

    • memory/2528-130-0x00000000004D0000-0x00000000004D1000-memory.dmp
      Filesize

      4KB