Analysis

  • max time kernel
    28s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 12:37

General

  • Target

    5798a7a3fceabbecfb8ab651c8662980c1c411797a45987802313885fae529a2.exe

  • Size

    428KB

  • MD5

    28c391fc92e4efabfbfa96906662aa7a

  • SHA1

    1458de27ccdefedee450f064183a871957a530cb

  • SHA256

    5798a7a3fceabbecfb8ab651c8662980c1c411797a45987802313885fae529a2

  • SHA512

    72a0b631c6d7eb82e4800511f3c0aa50044ae7f419a713ee7571a22507962391a630c8fdfe6d4fd03c1a1f9f4f5f58c0817bc674d3871cd4cfd2d4e215e505c1

  • SSDEEP

    12288:vtobq5Wivby4s+Jf7qo40oHsv3O5g+pI+M:vtJAivby4FGs3ifqd

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5798a7a3fceabbecfb8ab651c8662980c1c411797a45987802313885fae529a2.exe
    "C:\Users\Admin\AppData\Local\Temp\5798a7a3fceabbecfb8ab651c8662980c1c411797a45987802313885fae529a2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\installer.exe
      C:\Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\installer.exe north.exe /dT132590607S /e10782310 /u50ae11c5-fa08-4f10-be2a-04b05bc06f2f
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\north.exe
        "C:\Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\north.exe" /dT132590607S /e10782310 /u50ae11c5-fa08-4f10-be2a-04b05bc06f2f
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\installer.exe

    Filesize

    175KB

    MD5

    c56f474df7c7234370c88cef5e334752

    SHA1

    ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

    SHA256

    2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

    SHA512

    79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

  • C:\Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\installer.exe

    Filesize

    175KB

    MD5

    c56f474df7c7234370c88cef5e334752

    SHA1

    ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

    SHA256

    2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

    SHA512

    79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

  • C:\Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\north.exe

    Filesize

    253KB

    MD5

    990774201cab9f23e9b2a4dbfd7b322d

    SHA1

    a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

    SHA256

    68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

    SHA512

    1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

  • C:\Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\north.exe

    Filesize

    253KB

    MD5

    990774201cab9f23e9b2a4dbfd7b322d

    SHA1

    a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

    SHA256

    68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

    SHA512

    1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

  • \Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\installer.exe

    Filesize

    175KB

    MD5

    c56f474df7c7234370c88cef5e334752

    SHA1

    ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

    SHA256

    2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

    SHA512

    79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

  • \Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\installer.exe

    Filesize

    175KB

    MD5

    c56f474df7c7234370c88cef5e334752

    SHA1

    ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

    SHA256

    2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

    SHA512

    79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

  • \Users\Admin\AppData\Local\Temp\nsd4C3F.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • memory/1264-72-0x0000000000BD9000-0x0000000000BEA000-memory.dmp

    Filesize

    68KB

  • memory/1264-71-0x0000000073E10000-0x00000000743BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1264-70-0x0000000073E10000-0x00000000743BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1264-68-0x0000000073E10000-0x00000000743BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1264-69-0x0000000000BD9000-0x0000000000BEA000-memory.dmp

    Filesize

    68KB

  • memory/1596-62-0x000007FEFB831000-0x000007FEFB833000-memory.dmp

    Filesize

    8KB

  • memory/1596-67-0x0000000000526000-0x0000000000545000-memory.dmp

    Filesize

    124KB

  • memory/1596-61-0x000007FEF3440000-0x000007FEF3E63000-memory.dmp

    Filesize

    10.1MB

  • memory/1928-54-0x0000000076031000-0x0000000076033000-memory.dmp

    Filesize

    8KB