Analysis

  • max time kernel
    47s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 16:18

General

  • Target

    e1fce792053933c6ae48de583f2608be6a0975e0150a236df0dff36f8162dcea.exe

  • Size

    428KB

  • MD5

    ca99f390f0e24f4c12c6590476fde4f9

  • SHA1

    e6d67aa6eb90cb52657faa5f3011f803424fba3c

  • SHA256

    e1fce792053933c6ae48de583f2608be6a0975e0150a236df0dff36f8162dcea

  • SHA512

    248955e96f97b92ff811bf812daebdeff5be4577fe1db14889f751d056e43548b346526886a5b45464b9042c69512b76cfcee0f1be28991998cae629403a87f4

  • SSDEEP

    12288:htobJb7zgvXYHZdypmV7KeCPvYoRWI8/gSsS:ht+b7+XKPB7ZCXpWI8/TsS

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\e1fce792053933c6ae48de583f2608be6a0975e0150a236df0dff36f8162dcea.exe
    "C:\Users\Admin\AppData\Local\Temp\e1fce792053933c6ae48de583f2608be6a0975e0150a236df0dff36f8162dcea.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Users\Admin\AppData\Local\Temp\nso3160.tmp\installer.exe
      C:\Users\Admin\AppData\Local\Temp\nso3160.tmp\installer.exe north.exe /dT132610508S /e10146030 /u50ae11c5-fa08-4f10-be2a-04b05bc06f2f
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:632
      • C:\Users\Admin\AppData\Local\Temp\nso3160.tmp\north.exe
        "C:\Users\Admin\AppData\Local\Temp\nso3160.tmp\north.exe" /dT132610508S /e10146030 /u50ae11c5-fa08-4f10-be2a-04b05bc06f2f
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nso3160.tmp\installer.exe

    Filesize

    175KB

    MD5

    c56f474df7c7234370c88cef5e334752

    SHA1

    ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

    SHA256

    2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

    SHA512

    79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

  • C:\Users\Admin\AppData\Local\Temp\nso3160.tmp\installer.exe

    Filesize

    175KB

    MD5

    c56f474df7c7234370c88cef5e334752

    SHA1

    ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

    SHA256

    2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

    SHA512

    79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

  • C:\Users\Admin\AppData\Local\Temp\nso3160.tmp\north.exe

    Filesize

    253KB

    MD5

    990774201cab9f23e9b2a4dbfd7b322d

    SHA1

    a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

    SHA256

    68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

    SHA512

    1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

  • C:\Users\Admin\AppData\Local\Temp\nso3160.tmp\north.exe

    Filesize

    253KB

    MD5

    990774201cab9f23e9b2a4dbfd7b322d

    SHA1

    a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

    SHA256

    68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

    SHA512

    1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

  • \Users\Admin\AppData\Local\Temp\nso3160.tmp\installer.exe

    Filesize

    175KB

    MD5

    c56f474df7c7234370c88cef5e334752

    SHA1

    ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

    SHA256

    2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

    SHA512

    79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

  • \Users\Admin\AppData\Local\Temp\nso3160.tmp\installer.exe

    Filesize

    175KB

    MD5

    c56f474df7c7234370c88cef5e334752

    SHA1

    ff7e59e76a0bbdef4243232786c0d86e9fbb22dd

    SHA256

    2e2e482bbf7a109f2d7cc37a9657715ef133900c4af3b6e90da2842ad12d869d

    SHA512

    79a56ef595b37009382e83fdb512ee9f57e13384060238d809f7d9564f85a2a3d5fd05d75a8de6c3851fe7ba80b7bd5936af4a345bc278cd42fa959f4ed52d6f

  • \Users\Admin\AppData\Local\Temp\nso3160.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • memory/536-70-0x0000000074140000-0x00000000746EB000-memory.dmp

    Filesize

    5.7MB

  • memory/536-69-0x0000000000120000-0x0000000000160000-memory.dmp

    Filesize

    256KB

  • memory/536-68-0x0000000074140000-0x00000000746EB000-memory.dmp

    Filesize

    5.7MB

  • memory/632-62-0x000007FEFBB71000-0x000007FEFBB73000-memory.dmp

    Filesize

    8KB

  • memory/632-67-0x0000000000B86000-0x0000000000BA5000-memory.dmp

    Filesize

    124KB

  • memory/632-61-0x000007FEF4190000-0x000007FEF4BB3000-memory.dmp

    Filesize

    10.1MB

  • memory/1564-54-0x0000000075681000-0x0000000075683000-memory.dmp

    Filesize

    8KB