Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-07-2024 23:21

General

  • Target

    27330ccbfadf5f57b8a6f5bcdbbb1e20_JaffaCakes118.exe

  • Size

    4.1MB

  • MD5

    27330ccbfadf5f57b8a6f5bcdbbb1e20

  • SHA1

    1117014392eb828a23d5f10506718852fc223639

  • SHA256

    8f4d63fea00eca6d91147de6a10b7aae6069f164ef00d5986eff571249552dae

  • SHA512

    adfbb5240ca376dc93e9bf5bca21d95b81145248ca083d8c693873079a535ec56a56567e65f68037195f0f6fb3d1e3dcad60f82aa4f9fc2c5bc10ed4e2198c59

  • SSDEEP

    98304:6IaFJCkLoC4oarYbdu9x6MXDWVJziOSPedWbBziWr:6IaFJBM+bIv6cipkZl1

Score
10/10

Malware Config

Signatures

  • RMS

    Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 64 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27330ccbfadf5f57b8a6f5bcdbbb1e20_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\27330ccbfadf5f57b8a6f5bcdbbb1e20_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Program Files\Melancholically\emperor.exe
      "C:\Program Files\Melancholically\emperor.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:980
      • C:\Program Files\Melancholically\emperor.exe
        "C:\Program Files\Melancholically\emperor.exe" -second
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3120
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c SchTasks /create /f /XML %temp%\Log379.xml /TN \microsoft\windows\defrag\scheduleddefrag && schtasks /Change /TN \microsoft\windows\defrag\scheduleddefrag /ENABLE && schtasks /run /TN \microsoft\windows\defrag\scheduleddefrag
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5172
      • C:\Windows\SysWOW64\schtasks.exe
        SchTasks /create /f /XML C:\Users\Admin\AppData\Local\Temp\Log379.xml /TN \microsoft\windows\defrag\scheduleddefrag
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5224
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Change /TN \microsoft\windows\defrag\scheduleddefrag /ENABLE
        3⤵
          PID:5240
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /run /TN \microsoft\windows\defrag\scheduleddefrag
          3⤵
            PID:5256
      • C:\Program Files\Melancholically\emperor.exe
        "C:\Program Files\Melancholically\emperor.exe"
        1⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:5272

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\Melancholically\emperor.exe

        Filesize

        11.2MB

        MD5

        4912f4062c8f32f2bc19a9866b11b4b6

        SHA1

        7162ef0c1286f358a755d481cc08ffe720ae0b5e

        SHA256

        38c164ea976d3e5da89243559a1b28aed2afc6e4a29a60e8bd6e4c1cfbbf3511

        SHA512

        98301542f398f99fd6ab6539d42cb41aca0b5c3f00357ce7dcdfce67a2a1dbf664886bdf97503201391e23ac127e1541654f4bb4ed6b833edfdc42a3038887ed

      • C:\Program Files\Melancholically\libeay32.dll

        Filesize

        1.3MB

        MD5

        4cb2e1b9294ddae1bf7dcaaf42b365d1

        SHA1

        a225f53a8403d9b73d77bcbb075194520cce5a14

        SHA256

        a8124500cae0aba3411428c2c6df2762ea11cc11c312abed415d3f3667eb6884

        SHA512

        46cf4abf9121c865c725ca159df71066e0662595915d653914e4ec047f94e2ab3823f85c9e0e0c1311304c460c90224bd3141da62091c733dcaa5dccf64c04bb

      • C:\Program Files\Melancholically\ssleay32.dll

        Filesize

        337KB

        MD5

        5c268ca919854fc22d85f916d102ee7f

        SHA1

        0957cf86e0334673eb45945985b5c033b412be0e

        SHA256

        1f4b3efc919af1106f348662ee9ad95ab019058ff502e3d68e1b5f7abff91b56

        SHA512

        76d0abad1d7d0856ec1b8e598b05a2a6eece220ea39d74e7f6278a4219e22c75b7f618160ce41810daa57d5d4d534afd78f5cc1bd6de927dbb6a551aca2f8310

      • C:\Users\Admin\AppData\Local\Temp\nst694A.tmp\NSISList.dll

        Filesize

        105KB

        MD5

        4b0617493f32b2b5fe5e838eeb885819

        SHA1

        336e84380420a9caaa9c12af7c8e530135e63c57

        SHA256

        df3621f83e9d11be45e0e617b899c4ab0241f60ed56494e892dc449482058402

        SHA512

        5c50cf97cd9a6c699ec7928a08f77f4eaa68105e87a974432e39b637f926f0df8a95ec19bd63465fc438a4ef6349398938bc8d7651de125d13ccab89d1d49143

      • C:\Users\Admin\AppData\Local\Temp\nst694A.tmp\System.dll

        Filesize

        12KB

        MD5

        8cf2ac271d7679b1d68eefc1ae0c5618

        SHA1

        7cc1caaa747ee16dc894a600a4256f64fa65a9b8

        SHA256

        6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba

        SHA512

        ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3

      • C:\Users\Admin\AppData\Local\Temp\nst694A.tmp\nsProcess.dll

        Filesize

        4KB

        MD5

        f0438a894f3a7e01a4aae8d1b5dd0289

        SHA1

        b058e3fcfb7b550041da16bf10d8837024c38bf6

        SHA256

        30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

        SHA512

        f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

      • C:\Users\Admin\AppData\Local\Temp\nst694A.tmp\registry.dll

        Filesize

        24KB

        MD5

        2b7007ed0262ca02ef69d8990815cbeb

        SHA1

        2eabe4f755213666dbbbde024a5235ddde02b47f

        SHA256

        0b25b20f26de5d5bd795f934c70447112b4981343fcb2dfab3374a4018d28c2d

        SHA512

        aa75ee59ca0b8530eb7298b74e5f334ae9d14129f603b285a3170b82103cfdcc175af8185317e6207142517769e69a24b34fcdf0f58ed50a4960cbe8c22a0aca

      • memory/980-179-0x0000000003120000-0x0000000003121000-memory.dmp

        Filesize

        4KB

      • memory/980-651-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB

      • memory/1252-24-0x00000000032D0000-0x0000000003329000-memory.dmp

        Filesize

        356KB

      • memory/1252-17-0x0000000003160000-0x0000000003184000-memory.dmp

        Filesize

        144KB

      • memory/3120-3110-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB

      • memory/3120-3112-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB

      • memory/3120-3113-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB

      • memory/3120-3117-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB

      • memory/3120-3118-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB

      • memory/3120-3121-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB

      • memory/3120-3124-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB

      • memory/5272-3109-0x0000000000400000-0x0000000000FE0000-memory.dmp

        Filesize

        11.9MB