Analysis

  • max time kernel
    144s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22-12-2021 17:00

General

  • Target

    tmp/56421701-a10c-4568-97b5-9cd5b93ba2bd_s360.exe

  • Size

    103KB

  • MD5

    f9f8bd253aaa0d8db48a4ee87c6c4347

  • SHA1

    80b07d19bab1533b76d17d78df9685f868fa0923

  • SHA256

    1f78163d063ace048590769c4edec4771fedc1ac2a5bd9d51241824ef5f5ac04

  • SHA512

    5deaae37227a29f228a3cb85e2c0b81975ff6715161231adadcc397859a81610699b2bd7028538a3ce05874fb74c0e9c4fac4a84f674bcc2235797030c0df8b7

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 5 IoCs
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp\56421701-a10c-4568-97b5-9cd5b93ba2bd_s360.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp\56421701-a10c-4568-97b5-9cd5b93ba2bd_s360.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\tmp\56421701-a10c-4568-97b5-9cd5b93ba2bd_s360Srv.exe
      C:\Users\Admin\AppData\Local\Temp\tmp\56421701-a10c-4568-97b5-9cd5b93ba2bd_s360Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3800
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4124
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4124 CREDAT:82945 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1924
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4124 CREDAT:82948 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1632
    • C:\Program Files (x86)\Windows Sacewg\Xakpxqy.exe
      "C:\Program Files (x86)\Windows Sacewg\Xakpxqy.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:740
      • C:\Program Files (x86)\Windows Sacewg\XakpxqySrv.exe
        "C:\Program Files (x86)\Windows Sacewg\XakpxqySrv.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:908
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1068
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            PID:1236
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\7022.vbs"
      2⤵
      • Deletes itself
      PID:792

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\7022.vbs
    MD5

    1e569726d094abc59c2b5d70b456c0ee

    SHA1

    50ad0ecc1b5755186fb11a295da2121a31c1eaed

    SHA256

    083efedd2ec599774cfa330740eb935e39f8ed53bd259f84024b2c60c4f15057

    SHA512

    827cd7191dc15b32b1066087f97db9df47fd2de3f33c2b825a47b7b72bb6225d668f362e5de16e5493b2fc797fcb7b8e15add4ee9b88bbcf0de3a5cf52d4928d

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Program Files (x86)\Windows Sacewg\Xakpxqy.exe
    MD5

    f9f8bd253aaa0d8db48a4ee87c6c4347

    SHA1

    80b07d19bab1533b76d17d78df9685f868fa0923

    SHA256

    1f78163d063ace048590769c4edec4771fedc1ac2a5bd9d51241824ef5f5ac04

    SHA512

    5deaae37227a29f228a3cb85e2c0b81975ff6715161231adadcc397859a81610699b2bd7028538a3ce05874fb74c0e9c4fac4a84f674bcc2235797030c0df8b7

  • C:\Program Files (x86)\Windows Sacewg\Xakpxqy.exe
    MD5

    f9f8bd253aaa0d8db48a4ee87c6c4347

    SHA1

    80b07d19bab1533b76d17d78df9685f868fa0923

    SHA256

    1f78163d063ace048590769c4edec4771fedc1ac2a5bd9d51241824ef5f5ac04

    SHA512

    5deaae37227a29f228a3cb85e2c0b81975ff6715161231adadcc397859a81610699b2bd7028538a3ce05874fb74c0e9c4fac4a84f674bcc2235797030c0df8b7

  • C:\Program Files (x86)\Windows Sacewg\XakpxqySrv.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Program Files (x86)\Windows Sacewg\XakpxqySrv.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\C0TUHEP0.cookie
    MD5

    da3dabd450b0d61344f5c5cdc5ac54c0

    SHA1

    005ce325677fd40081cd4a887857b9db66b260cb

    SHA256

    2950bd2877bba89b2a53e8e078322370320c306d7699d436995e6ae143ed6c43

    SHA512

    0c5a92d9f99da5ad95cbedc0c29953e5ca7b66d84e640f4178f9a1b73762b2527f33a94db9ee941bee40ffd95fbdb13417ee41cd2255c7484ab5eefccb557a0b

  • C:\Users\Admin\AppData\Local\Temp\tmp\56421701-a10c-4568-97b5-9cd5b93ba2bd_s360Srv.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\tmp\56421701-a10c-4568-97b5-9cd5b93ba2bd_s360Srv.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/740-186-0x0000000000000000-mapping.dmp
  • memory/792-191-0x0000000000000000-mapping.dmp
  • memory/908-189-0x0000000000000000-mapping.dmp
  • memory/1068-193-0x0000000000000000-mapping.dmp
  • memory/1236-199-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/1236-197-0x0000000000000000-mapping.dmp
  • memory/1236-198-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/1632-204-0x0000000000000000-mapping.dmp
  • memory/1924-150-0x0000000000000000-mapping.dmp
  • memory/3392-124-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/3392-123-0x00000000001E0000-0x00000000001EF000-memory.dmp
    Filesize

    60KB

  • memory/3392-115-0x0000000000000000-mapping.dmp
  • memory/3800-121-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

  • memory/3800-118-0x0000000000000000-mapping.dmp
  • memory/4124-152-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-178-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-147-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-148-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-145-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-151-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-144-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-154-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-155-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-157-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-159-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-160-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-161-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-165-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-166-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-167-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-173-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-174-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-175-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-176-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-177-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-146-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-179-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-181-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-182-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-142-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-141-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-139-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-138-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-137-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-135-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-134-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-133-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-132-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-131-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-130-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-129-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-127-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-126-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-125-0x00007FF868630000-0x00007FF86869B000-memory.dmp
    Filesize

    428KB

  • memory/4124-122-0x0000000000000000-mapping.dmp