Analysis

  • max time kernel
    147s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22-12-2021 11:00

General

  • Target

    tmp/885b14ce-756d-4b22-bbdc-0533ff9afdf9_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\885b14ce-756d-4b22-bbdc-0533ff9afdf9_S360.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp\885b14ce-756d-4b22-bbdc-0533ff9afdf9_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:3544
    • C:\Users\Admin\AppData\Local\Temp\tmp\885b14ce-756d-4b22-bbdc-0533ff9afdf9_S360Srv.exe
      C:\Users\Admin\AppData\Local\Temp\tmp\885b14ce-756d-4b22-bbdc-0533ff9afdf9_S360Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3788
      • 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:3652
        • 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:3820
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3820 CREDAT:82945 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4192
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3820 CREDAT:82948 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1864
    • 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:444
      • 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:1116
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1324
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            PID:1556
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\982.vbs"
      2⤵
      • Deletes itself
      PID:1176

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:\982.vbs
    MD5

    b742521b393c7610b532e358379ff0cf

    SHA1

    bc522709c171fcaf44c013886c6d45b6c771cc07

    SHA256

    dcb71573b0863dffc943e69bf1724a5bf2b44c0afae8b0203b93435ceed7f9dd

    SHA512

    3fdcb5b1500c4c6c16ba247116e6159e4f37c857bd018c5286ca2924a9c39cfe091215d464e47dd6074a836176d58f6c33a628bc810af9529b78d78299262d47

  • 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\536I985G.cookie
    MD5

    75fe040b4c07c7725e2c16dfa1455804

    SHA1

    f37e591a015261362a4a1b61f162a1fa8bf73df7

    SHA256

    81f3dc7cac4c28d8b8a48ac021507f1d5c6b7df262aca49a19f6b5f60250986a

    SHA512

    0c26d41dc14c4b1ba0c91c39505382ad0543031b7e2346ee0d03e79b9221ccc84800c60f5b3098e257e1f9e6a6b7574a4d48e6f885b70bedd719281b84ff5d84

  • C:\Users\Admin\AppData\Local\Temp\tmp\885b14ce-756d-4b22-bbdc-0533ff9afdf9_S360Srv.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\tmp\885b14ce-756d-4b22-bbdc-0533ff9afdf9_S360Srv.exe
    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/444-186-0x0000000000000000-mapping.dmp
  • memory/1116-189-0x0000000000000000-mapping.dmp
  • memory/1176-190-0x0000000000000000-mapping.dmp
  • memory/1324-193-0x0000000000000000-mapping.dmp
  • memory/1556-199-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/1556-198-0x0000000000000000-mapping.dmp
  • memory/1556-200-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/1864-204-0x0000000000000000-mapping.dmp
  • memory/3652-121-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

  • memory/3652-118-0x0000000000000000-mapping.dmp
  • memory/3788-124-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/3788-123-0x00000000001E0000-0x00000000001EF000-memory.dmp
    Filesize

    60KB

  • memory/3788-115-0x0000000000000000-mapping.dmp
  • memory/3820-154-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-178-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-146-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-147-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-148-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-151-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-152-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-143-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-155-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-157-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-159-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-160-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-161-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-165-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-166-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-167-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-173-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-174-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-175-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-176-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-177-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-145-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-179-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-181-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-182-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-142-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-141-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-139-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-138-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-137-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-135-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-133-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-134-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-132-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-131-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-130-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-129-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-127-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-126-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-125-0x00007FFC01DD0000-0x00007FFC01E3B000-memory.dmp
    Filesize

    428KB

  • memory/3820-122-0x0000000000000000-mapping.dmp
  • memory/4192-150-0x0000000000000000-mapping.dmp