Analysis

  • max time kernel
    165s
  • max time network
    222s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 13:07

General

  • Target

    4a7aaa4411e687109a080a9a5f9f0909d8ef9d21418d2102cb80973df4d39d95.exe

  • Size

    387KB

  • MD5

    4b66d7bf224196da8a0a5eeb040e1a0d

  • SHA1

    0e149b61f868b3561f495eca8a9754705a1b132e

  • SHA256

    4a7aaa4411e687109a080a9a5f9f0909d8ef9d21418d2102cb80973df4d39d95

  • SHA512

    ed9c4027971a6abccf5d3e1286e858a3da33741328097d92bc650c7272b6e929c3b08fdb4a07d1bf3b8b6e15c56a12d7b6994e1102517e453ebf27ba2aa5c79a

Score
10/10

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a7aaa4411e687109a080a9a5f9f0909d8ef9d21418d2102cb80973df4d39d95.exe
    "C:\Users\Admin\AppData\Local\Temp\4a7aaa4411e687109a080a9a5f9f0909d8ef9d21418d2102cb80973df4d39d95.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Update\Updater.exe.lnk" /f
        3⤵
          PID:1288
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:944
      • C:\Users\Admin\AppData\Local\Temp\svhost.exe
        "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1980
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 392
          3⤵
          • Loads dropped DLL
          PID:1388
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\Update\Updater.exe.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 180
          3⤵
          • Delays execution with timeout.exe
          PID:1572
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:1688

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Update\Updater.exe

        Filesize

        387KB

        MD5

        4b66d7bf224196da8a0a5eeb040e1a0d

        SHA1

        0e149b61f868b3561f495eca8a9754705a1b132e

        SHA256

        4a7aaa4411e687109a080a9a5f9f0909d8ef9d21418d2102cb80973df4d39d95

        SHA512

        ed9c4027971a6abccf5d3e1286e858a3da33741328097d92bc650c7272b6e929c3b08fdb4a07d1bf3b8b6e15c56a12d7b6994e1102517e453ebf27ba2aa5c79a

      • C:\Users\Admin\AppData\Local\Temp\Update\Updater.exe.bat

        Filesize

        194B

        MD5

        e9aa18d65a46c29f541659d8c50ffb69

        SHA1

        1c96de6414501b277396e128525f4db5bde1eaef

        SHA256

        c8bbc82d2aaf9b0506d83a4b41b3acc6ab9a77fee1706544569e179f21b3b2a9

        SHA512

        8418b43c5086913c1989d7b7881d8ec7479c3572f4fef2676530b2f43a5184edbeea5536b91c50480bf6b748e70eeb7a71d7551583db2e785492493d62299afe

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

        Filesize

        85KB

        MD5

        2e5f1cf69f92392f8829fc9c9263ae9b

        SHA1

        97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

        SHA256

        51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

        SHA512

        f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

        Filesize

        85KB

        MD5

        2e5f1cf69f92392f8829fc9c9263ae9b

        SHA1

        97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

        SHA256

        51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

        SHA512

        f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

        Filesize

        322KB

        MD5

        7d596e849f4a2fa6478d4d3f5dc83e13

        SHA1

        02c7f54a7b10f3aeb0c4582ffa6b3eb357827b87

        SHA256

        f7ab67cef3dc598a937745b18685591096a95c076555598d69f0a8c4975f0064

        SHA512

        b0dbd754a2e837ef2f9098a48b61861575e96393ad2ced90e70052007267046f068c9ffb5fb3c645cd28e5fb3d66c7c3eee6bf8324035b402b13d51f49cfeee3

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

        Filesize

        322KB

        MD5

        7d596e849f4a2fa6478d4d3f5dc83e13

        SHA1

        02c7f54a7b10f3aeb0c4582ffa6b3eb357827b87

        SHA256

        f7ab67cef3dc598a937745b18685591096a95c076555598d69f0a8c4975f0064

        SHA512

        b0dbd754a2e837ef2f9098a48b61861575e96393ad2ced90e70052007267046f068c9ffb5fb3c645cd28e5fb3d66c7c3eee6bf8324035b402b13d51f49cfeee3

      • \Users\Admin\AppData\Local\Temp\Update\Updater.exe

        Filesize

        387KB

        MD5

        4b66d7bf224196da8a0a5eeb040e1a0d

        SHA1

        0e149b61f868b3561f495eca8a9754705a1b132e

        SHA256

        4a7aaa4411e687109a080a9a5f9f0909d8ef9d21418d2102cb80973df4d39d95

        SHA512

        ed9c4027971a6abccf5d3e1286e858a3da33741328097d92bc650c7272b6e929c3b08fdb4a07d1bf3b8b6e15c56a12d7b6994e1102517e453ebf27ba2aa5c79a

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

        Filesize

        85KB

        MD5

        2e5f1cf69f92392f8829fc9c9263ae9b

        SHA1

        97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

        SHA256

        51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

        SHA512

        f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

        Filesize

        85KB

        MD5

        2e5f1cf69f92392f8829fc9c9263ae9b

        SHA1

        97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

        SHA256

        51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

        SHA512

        f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

        Filesize

        85KB

        MD5

        2e5f1cf69f92392f8829fc9c9263ae9b

        SHA1

        97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

        SHA256

        51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

        SHA512

        f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

        Filesize

        85KB

        MD5

        2e5f1cf69f92392f8829fc9c9263ae9b

        SHA1

        97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

        SHA256

        51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

        SHA512

        f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

        Filesize

        322KB

        MD5

        7d596e849f4a2fa6478d4d3f5dc83e13

        SHA1

        02c7f54a7b10f3aeb0c4582ffa6b3eb357827b87

        SHA256

        f7ab67cef3dc598a937745b18685591096a95c076555598d69f0a8c4975f0064

        SHA512

        b0dbd754a2e837ef2f9098a48b61861575e96393ad2ced90e70052007267046f068c9ffb5fb3c645cd28e5fb3d66c7c3eee6bf8324035b402b13d51f49cfeee3

      • memory/944-90-0x0000000004C80000-0x0000000004D2E000-memory.dmp

        Filesize

        696KB

      • memory/944-89-0x0000000000270000-0x0000000000280000-memory.dmp

        Filesize

        64KB

      • memory/944-86-0x0000000001260000-0x00000000012B6000-memory.dmp

        Filesize

        344KB

      • memory/944-91-0x0000000000570000-0x0000000000598000-memory.dmp

        Filesize

        160KB

      • memory/944-96-0x0000000000AB0000-0x0000000000AC6000-memory.dmp

        Filesize

        88KB

      • memory/1980-68-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/1980-95-0x0000000075010000-0x00000000755BB000-memory.dmp

        Filesize

        5.7MB

      • memory/1980-70-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/1980-74-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/1980-69-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/1980-79-0x0000000075010000-0x00000000755BB000-memory.dmp

        Filesize

        5.7MB

      • memory/1980-66-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/1980-65-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/1980-76-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/2032-54-0x0000000076461000-0x0000000076463000-memory.dmp

        Filesize

        8KB

      • memory/2032-94-0x0000000075010000-0x00000000755BB000-memory.dmp

        Filesize

        5.7MB

      • memory/2032-93-0x0000000075010000-0x00000000755BB000-memory.dmp

        Filesize

        5.7MB

      • memory/2032-55-0x0000000075010000-0x00000000755BB000-memory.dmp

        Filesize

        5.7MB