Analysis

  • max time kernel
    121s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 02:51

General

  • Target

    e582b937e4e282be841e2b0ba172f624db5f6afacd8e21990e43bfe8d3434948.exe

  • Size

    788KB

  • MD5

    01ca9dece9f4cd45baaefef5ef87a624

  • SHA1

    5d1ca5b9fb75b62cca1918e624a90130cdc6a4bf

  • SHA256

    e582b937e4e282be841e2b0ba172f624db5f6afacd8e21990e43bfe8d3434948

  • SHA512

    5d4fab7df04d4988287395cef58ebdad88f809002e89aa410956dadf70c1b4f516b2895b28e29606260e21e502964df69be63d8fea16ab0430b5b5721cc80592

  • SSDEEP

    12288:cDm7P4emd2sa2fPPe0Bushlv9PYJAtuiad:c+PVjsbfPmwu2lFPYJAtuiad

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e582b937e4e282be841e2b0ba172f624db5f6afacd8e21990e43bfe8d3434948.exe
    "C:\Users\Admin\AppData\Local\Temp\e582b937e4e282be841e2b0ba172f624db5f6afacd8e21990e43bfe8d3434948.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\temp.bat
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Windows\SysWOW64\taskkill.exe
        TASKKILL /F /PID 2988
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2464
      • C:\Users\Admin\AppData\Local\Temp\NSUDOLC.exe
        NSUDOLC /U:S /P:E C:\Users\Admin\AppData\Local\Temp\LastAvenger.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2644

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\NSUDOLC.exe

    Filesize

    99KB

    MD5

    0ac3e9d59309f599403ac51615bfe41b

    SHA1

    9041c5562558cb58ac98bd18de3c0ce370a59e1f

    SHA256

    6d5e116c2af78b5585602d91bca3a436a0350630fc7c08412c0cafe55199547c

    SHA512

    e5de92202f4d3ecaff8bd65c99cbbc98c2deaafafe1620be7169d0fed467bfa11ce727fa78f686166758ee3df0b040a2643dbd5a46ee74cc679e647ebdad6910

  • C:\Users\Admin\AppData\Local\Temp\temp.bat

    Filesize

    92B

    MD5

    66cf74559d822a2698f38709c3b93128

    SHA1

    5d05ad9923cd46014afe9d93289b35f011aa8dcc

    SHA256

    f8503370e276faa47b06e7e5648e111e8ae315d0731ba2326ac46ea9b7eda803

    SHA512

    183e3c22a624530e13a5c0600a7c5c6392aed4d111372a5a17ae9af73aff5e01211accf4ba264a8b68e5c756271353519e6fd76354ca061fd17a8825077cab2d

  • C:\Users\Admin\AppData\Local\Temp\temp.bat

    Filesize

    92B

    MD5

    66cf74559d822a2698f38709c3b93128

    SHA1

    5d05ad9923cd46014afe9d93289b35f011aa8dcc

    SHA256

    f8503370e276faa47b06e7e5648e111e8ae315d0731ba2326ac46ea9b7eda803

    SHA512

    183e3c22a624530e13a5c0600a7c5c6392aed4d111372a5a17ae9af73aff5e01211accf4ba264a8b68e5c756271353519e6fd76354ca061fd17a8825077cab2d

  • \Users\Admin\AppData\Local\Temp\NSUDOLC.exe

    Filesize

    99KB

    MD5

    0ac3e9d59309f599403ac51615bfe41b

    SHA1

    9041c5562558cb58ac98bd18de3c0ce370a59e1f

    SHA256

    6d5e116c2af78b5585602d91bca3a436a0350630fc7c08412c0cafe55199547c

    SHA512

    e5de92202f4d3ecaff8bd65c99cbbc98c2deaafafe1620be7169d0fed467bfa11ce727fa78f686166758ee3df0b040a2643dbd5a46ee74cc679e647ebdad6910