Analysis

  • max time kernel
    66s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 07:02

General

  • Target

    03013a90046515fa77956183d6fd0529b1c808df99f899e8e6c04886d411f9aa.exe

  • Size

    614KB

  • MD5

    0a8b6f16b173ebc1efb136c5c67125c1

  • SHA1

    1afd59bb22ae408d3ede0ac820c0d73177d7a6d5

  • SHA256

    03013a90046515fa77956183d6fd0529b1c808df99f899e8e6c04886d411f9aa

  • SHA512

    30bedb11abf5df7dda6fd0bd1c786883736f59312d49e99ec0fc531c84bc8d39c2c26508bd01af8faebc6d3cb8b354c0d628c4ccbcc1aedc661fbf5067d7b4b8

  • SSDEEP

    12288:UYRN6Ul2gavsFJZC42Bu0aHpdjzwJ4baLN+gZPNOcmVuSR3O9cubD/:HKUl2wFJZCRBu0KA8VAnmVugubD/

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.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 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\03013a90046515fa77956183d6fd0529b1c808df99f899e8e6c04886d411f9aa.exe
    "C:\Users\Admin\AppData\Local\Temp\03013a90046515fa77956183d6fd0529b1c808df99f899e8e6c04886d411f9aa.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:476
    • C:\Users\Admin\AppData\Local\Temp\n5069\s5069.exe
      "C:\Users\Admin\AppData\Local\Temp\n5069\s5069.exe" 26a0b57a669defefbeb48d89yYxiABm10myIUL9vAq3W+6+O/MyPwej1f95xkfaJHwoLd0oNT2G/0dl8CmX+ZZviajkaoAui5xOu2ovCUfH0W5EmMUoKoC7Z/9fGLp9AO87xnDL/Lu5VkoY7fg6OgB1R3dxCHxB/z/o6S0/QyauvVL1aN0Rdjcv/IjuH /v "C:\Users\Admin\AppData\Local\Temp\03013a90046515fa77956183d6fd0529b1c808df99f899e8e6c04886d411f9aa.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5069\s5069.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • C:\Users\Admin\AppData\Local\Temp\n5069\s5069.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • memory/2760-135-0x00007FFC46000000-0x00007FFC46A36000-memory.dmp

    Filesize

    10.2MB

  • memory/2760-136-0x0000000001580000-0x0000000001590000-memory.dmp

    Filesize

    64KB