Analysis

  • max time kernel
    166s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 03:52

General

  • Target

    abf1dedf51410cc805c55cfb829292cf89bcaa6e7ff6c9cb982c95dbd87c2362.exe

  • Size

    517KB

  • MD5

    4033419dbc5330452f1cad3c58277105

  • SHA1

    f2a0f795654158ce785f3977ce72ffb0d06e158a

  • SHA256

    abf1dedf51410cc805c55cfb829292cf89bcaa6e7ff6c9cb982c95dbd87c2362

  • SHA512

    a633699a28a5619a377b434002a7ab44b6328e9ee90e2000d8634f5ce3bbeb959327f81e5fbf36e2951661041c3d47739bee7cb2546ad43d398278575e317fa2

  • SSDEEP

    12288:AmUqR5z0FOTC1NXIHfpJYlY/Qy5eEG30LC+MCW1qrQpPt/0KuV:AmUqqOTAXIHfpOcQ6JG30L/MCW1yQpiB

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops desktop.ini file(s) 2 IoCs
  • 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.

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abf1dedf51410cc805c55cfb829292cf89bcaa6e7ff6c9cb982c95dbd87c2362.exe
    "C:\Users\Admin\AppData\Local\Temp\abf1dedf51410cc805c55cfb829292cf89bcaa6e7ff6c9cb982c95dbd87c2362.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Local\Temp\n9647\s9647.exe
      "C:\Users\Admin\AppData\Local\Temp\n9647\s9647.exe" ins.exe /e 13029947 /u 8765b7a1-1326-11e4-8a58-80c16e6f498c /h ef64a6.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\abf1dedf51410cc805c55cfb829292cf89bcaa6e7ff6c9cb982c95dbd87c2362.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 3776
      2⤵
      • Program crash
      PID:3680
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2544 -ip 2544
    1⤵
      PID:2708

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n9647\s9647.exe

      Filesize

      339KB

      MD5

      0e88682aeba4d7ef923b316f97f990ba

      SHA1

      a54a0df52206ab79c0ad19be7402ab8564b7ad8c

      SHA256

      6be0358b2703e0e317ec4ddefbc320014b3c2a14eb1d959b0ed399586fd2bba1

      SHA512

      c0755f0b6fd5d01872464c1fa4b3d11c4ad4fd84f355bc9a9938bc5057373c18753915eeaabd31eb1db5cd95399a5b5083de31f11b55adba58316082421607c6

    • C:\Users\Admin\AppData\Local\Temp\n9647\s9647.exe

      Filesize

      339KB

      MD5

      0e88682aeba4d7ef923b316f97f990ba

      SHA1

      a54a0df52206ab79c0ad19be7402ab8564b7ad8c

      SHA256

      6be0358b2703e0e317ec4ddefbc320014b3c2a14eb1d959b0ed399586fd2bba1

      SHA512

      c0755f0b6fd5d01872464c1fa4b3d11c4ad4fd84f355bc9a9938bc5057373c18753915eeaabd31eb1db5cd95399a5b5083de31f11b55adba58316082421607c6

    • memory/2436-132-0x0000000000000000-mapping.dmp

    • memory/2436-135-0x00007FF8A3AE0000-0x00007FF8A4516000-memory.dmp

      Filesize

      10.2MB

    • memory/2436-136-0x0000000000A0A000-0x0000000000A0F000-memory.dmp

      Filesize

      20KB

    • memory/2436-137-0x0000000000A0A000-0x0000000000A0F000-memory.dmp

      Filesize

      20KB