Analysis

  • max time kernel
    174s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-07-2022 18:20

General

  • Target

    INQUIRY NO- 2744.js

  • Size

    2.1MB

  • MD5

    2f3507015138a0ef0d3c91fca1fcf5f2

  • SHA1

    7cf3028b2f73ee9a7474b242721fbf9d1639e6c8

  • SHA256

    bde745851b6cfd0b1f52692ff12873484fc0553f0a4c22976a71404991557655

  • SHA512

    62c2ad91c890f7763063625f8f4dcee4f4eb845de9bd9ea9a65988d9915e55095c77c492848ecd66567c17ddc0d5bada37edc05a89dc0fc6fb1f76568f75aa68

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\INQUIRY NO- 2744.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\mqrJgpkqFQIDTGK.exe
      "C:\Users\Admin\AppData\Local\Temp\mqrJgpkqFQIDTGK.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3832
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\subfolder\filename.vbs"
        3⤵
        • Adds Run key to start application
        PID:4224
      • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe
        "C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:400
        • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe
          C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1920

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\mqrJgpkqFQIDTGK.exe
    Filesize

    1.5MB

    MD5

    78d03f710ce3b6b685466910ef2b5de6

    SHA1

    705a31cfaa14a4390ae7609ca62b86f7d29999a1

    SHA256

    25aa79b4a1ba3a3b6a411a76cfb839fc3d72324c690445b1b6dcbdb1240f9c4f

    SHA512

    cc089a3b76e5bd41ad88e629230b523c1c0a05163a4a8428f1690992310c02b91b69bc0f0bf1980415750758d0810c5d20683d17b24523468b9ab67ab949f5a5

  • C:\Users\Admin\AppData\Local\Temp\mqrJgpkqFQIDTGK.exe
    Filesize

    1.5MB

    MD5

    78d03f710ce3b6b685466910ef2b5de6

    SHA1

    705a31cfaa14a4390ae7609ca62b86f7d29999a1

    SHA256

    25aa79b4a1ba3a3b6a411a76cfb839fc3d72324c690445b1b6dcbdb1240f9c4f

    SHA512

    cc089a3b76e5bd41ad88e629230b523c1c0a05163a4a8428f1690992310c02b91b69bc0f0bf1980415750758d0810c5d20683d17b24523468b9ab67ab949f5a5

  • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe
    Filesize

    1.5MB

    MD5

    78d03f710ce3b6b685466910ef2b5de6

    SHA1

    705a31cfaa14a4390ae7609ca62b86f7d29999a1

    SHA256

    25aa79b4a1ba3a3b6a411a76cfb839fc3d72324c690445b1b6dcbdb1240f9c4f

    SHA512

    cc089a3b76e5bd41ad88e629230b523c1c0a05163a4a8428f1690992310c02b91b69bc0f0bf1980415750758d0810c5d20683d17b24523468b9ab67ab949f5a5

  • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe
    Filesize

    1.5MB

    MD5

    78d03f710ce3b6b685466910ef2b5de6

    SHA1

    705a31cfaa14a4390ae7609ca62b86f7d29999a1

    SHA256

    25aa79b4a1ba3a3b6a411a76cfb839fc3d72324c690445b1b6dcbdb1240f9c4f

    SHA512

    cc089a3b76e5bd41ad88e629230b523c1c0a05163a4a8428f1690992310c02b91b69bc0f0bf1980415750758d0810c5d20683d17b24523468b9ab67ab949f5a5

  • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe
    Filesize

    1.5MB

    MD5

    78d03f710ce3b6b685466910ef2b5de6

    SHA1

    705a31cfaa14a4390ae7609ca62b86f7d29999a1

    SHA256

    25aa79b4a1ba3a3b6a411a76cfb839fc3d72324c690445b1b6dcbdb1240f9c4f

    SHA512

    cc089a3b76e5bd41ad88e629230b523c1c0a05163a4a8428f1690992310c02b91b69bc0f0bf1980415750758d0810c5d20683d17b24523468b9ab67ab949f5a5

  • C:\Users\Admin\AppData\Local\Temp\subfolder\filename.vbs
    Filesize

    1024B

    MD5

    027c384fe2dc14fabe3c2ecd2b85043b

    SHA1

    3a066fb1a971f2a9a9ebe38f9332e5180cad1a3d

    SHA256

    6fa7a9e80bc9b9e3c1481628553c2bc6fec478eec7531f533b9bdbebab18a62c

    SHA512

    18598a07f58c79cc93d4fdaab6745923138e98896cef570b5cf24c36da0deba0cdaedc12141d3d69c7953f100ee71a885945194cfd7f3b047ab6360450486b55

  • memory/400-139-0x0000000000000000-mapping.dmp
  • memory/400-147-0x00000000774D0000-0x0000000077673000-memory.dmp
    Filesize

    1.6MB

  • memory/1920-149-0x0000000000400000-0x0000000000576000-memory.dmp
    Filesize

    1.5MB

  • memory/1920-151-0x0000000074B40000-0x00000000750F1000-memory.dmp
    Filesize

    5.7MB

  • memory/1920-152-0x00000000774D0000-0x0000000077673000-memory.dmp
    Filesize

    1.6MB

  • memory/1920-150-0x00000000774D0000-0x0000000077673000-memory.dmp
    Filesize

    1.6MB

  • memory/1920-145-0x0000000000000000-mapping.dmp
  • memory/1920-153-0x0000000074B40000-0x00000000750F1000-memory.dmp
    Filesize

    5.7MB

  • memory/1920-148-0x0000000000400000-0x0000000000451000-memory.dmp
    Filesize

    324KB

  • memory/3832-142-0x00000000774D0000-0x0000000077673000-memory.dmp
    Filesize

    1.6MB

  • memory/3832-130-0x0000000000000000-mapping.dmp
  • memory/3832-136-0x00000000774D0000-0x0000000077673000-memory.dmp
    Filesize

    1.6MB

  • memory/3832-135-0x0000000002A90000-0x0000000002A97000-memory.dmp
    Filesize

    28KB

  • memory/4224-137-0x0000000000000000-mapping.dmp