Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 02:29

General

  • Target

    44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8fe.exe

  • Size

    135KB

  • MD5

    b90a4d6c901a7ae110400907de75eaaf

  • SHA1

    7f52bddf4f6c770a39e882aab421088e94053afb

  • SHA256

    44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8fe

  • SHA512

    71de9ff0a8b6be9e5d91b6183c3e13d7f065d525b5c2fcf75005b9b7b782443fa8e58ac48e040f4b817599763fae79dd6e0ad4a3aa6d1bfa6b2e20ae7f701142

  • SSDEEP

    3072:CWT3yCf5ZfucU3s+q8g53z42clG4Ggz0MkTN:CWzyWLGN3sI+3zrrGQTN

Malware Config

Signatures

  • Ramnit

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

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • RunningRat payload 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • UPX packed file 12 IoCs

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

  • Loads dropped DLL 13 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8fe.exe
    "C:\Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8fe.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8feSrv.exe
      C:\Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8feSrv.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:596
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1908
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1908 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1716
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
    1⤵
      PID:644
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Windows\SysWOW64\SRDSL.exe
        C:\Windows\system32\SRDSL.exe "c:\users\admin\appdata\local\temp\7079574.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1332

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • C:\Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8feSrv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • C:\Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8feSrv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\8LJNVIXI.txt

      Filesize

      601B

      MD5

      c83b0d30af0c8d0163ac299463e3c3ee

      SHA1

      5a85cda17824acd41931aa6671e971eab6057c7e

      SHA256

      dcebc477b8c8f20a7b10e7d1f4543d9f4da338289c2509ae900998054681d36f

      SHA512

      24651241befcdee9abf2d873d9c44d8b43c5a788ace2c468b7fa2d56ac17e735b502b15c1d2e46a671d33611efb8ac44333c6988839495721a7947b530412be2

    • C:\Windows\SysWOW64\SRDSL.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Windows\SysWOW64\SRDSL.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \??\c:\users\admin\appdata\local\temp\7079574.dll

      Filesize

      29KB

      MD5

      a639b0a1e14e67a1f6f7948dc13ffc7b

      SHA1

      14f370057bd4d5aeeaa8b47bb7e21d5a3bb77e62

      SHA256

      f782f802b69f258cc59b88f9c9f6a5d4bce0d2a94ac175b01cd422d9d589d51d

      SHA512

      38f78e22fe0b42f16a78615495f4a7c82ad1b0cf6162211a0d6af78a3d72ea5f1fa876907cde29f70720f369a27590fc163dc5d0cd957c3ff6a5be6ebc25e462

    • \Program Files (x86)\Microsoft\DesktopLayer.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • \Program Files (x86)\Microsoft\DesktopLayer.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • \Program Files (x86)\Microsoft\DesktopLayer.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • \Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8feSrv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • \Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8feSrv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • \Users\Admin\AppData\Local\Temp\44f7e9aa887f9b4a38d7b2dd3add54630c781501fc9524a7a49ba4d97b1ca8feSrv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • \Users\Admin\AppData\Local\Temp\7079574.dll

      Filesize

      29KB

      MD5

      a639b0a1e14e67a1f6f7948dc13ffc7b

      SHA1

      14f370057bd4d5aeeaa8b47bb7e21d5a3bb77e62

      SHA256

      f782f802b69f258cc59b88f9c9f6a5d4bce0d2a94ac175b01cd422d9d589d51d

      SHA512

      38f78e22fe0b42f16a78615495f4a7c82ad1b0cf6162211a0d6af78a3d72ea5f1fa876907cde29f70720f369a27590fc163dc5d0cd957c3ff6a5be6ebc25e462

    • \Users\Admin\AppData\Local\Temp\7079574.dll

      Filesize

      29KB

      MD5

      a639b0a1e14e67a1f6f7948dc13ffc7b

      SHA1

      14f370057bd4d5aeeaa8b47bb7e21d5a3bb77e62

      SHA256

      f782f802b69f258cc59b88f9c9f6a5d4bce0d2a94ac175b01cd422d9d589d51d

      SHA512

      38f78e22fe0b42f16a78615495f4a7c82ad1b0cf6162211a0d6af78a3d72ea5f1fa876907cde29f70720f369a27590fc163dc5d0cd957c3ff6a5be6ebc25e462

    • \Users\Admin\AppData\Local\Temp\7079574.dll

      Filesize

      29KB

      MD5

      a639b0a1e14e67a1f6f7948dc13ffc7b

      SHA1

      14f370057bd4d5aeeaa8b47bb7e21d5a3bb77e62

      SHA256

      f782f802b69f258cc59b88f9c9f6a5d4bce0d2a94ac175b01cd422d9d589d51d

      SHA512

      38f78e22fe0b42f16a78615495f4a7c82ad1b0cf6162211a0d6af78a3d72ea5f1fa876907cde29f70720f369a27590fc163dc5d0cd957c3ff6a5be6ebc25e462

    • \Users\Admin\AppData\Local\Temp\7079574.dll

      Filesize

      29KB

      MD5

      a639b0a1e14e67a1f6f7948dc13ffc7b

      SHA1

      14f370057bd4d5aeeaa8b47bb7e21d5a3bb77e62

      SHA256

      f782f802b69f258cc59b88f9c9f6a5d4bce0d2a94ac175b01cd422d9d589d51d

      SHA512

      38f78e22fe0b42f16a78615495f4a7c82ad1b0cf6162211a0d6af78a3d72ea5f1fa876907cde29f70720f369a27590fc163dc5d0cd957c3ff6a5be6ebc25e462

    • \Users\Admin\AppData\Local\Temp\7079574.dll

      Filesize

      29KB

      MD5

      a639b0a1e14e67a1f6f7948dc13ffc7b

      SHA1

      14f370057bd4d5aeeaa8b47bb7e21d5a3bb77e62

      SHA256

      f782f802b69f258cc59b88f9c9f6a5d4bce0d2a94ac175b01cd422d9d589d51d

      SHA512

      38f78e22fe0b42f16a78615495f4a7c82ad1b0cf6162211a0d6af78a3d72ea5f1fa876907cde29f70720f369a27590fc163dc5d0cd957c3ff6a5be6ebc25e462

    • \Users\Admin\AppData\Local\Temp\7079574.dll

      Filesize

      29KB

      MD5

      a639b0a1e14e67a1f6f7948dc13ffc7b

      SHA1

      14f370057bd4d5aeeaa8b47bb7e21d5a3bb77e62

      SHA256

      f782f802b69f258cc59b88f9c9f6a5d4bce0d2a94ac175b01cd422d9d589d51d

      SHA512

      38f78e22fe0b42f16a78615495f4a7c82ad1b0cf6162211a0d6af78a3d72ea5f1fa876907cde29f70720f369a27590fc163dc5d0cd957c3ff6a5be6ebc25e462

    • \Windows\SysWOW64\SRDSL.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/596-72-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/596-71-0x0000000000240000-0x000000000024D000-memory.dmp

      Filesize

      52KB

    • memory/2012-66-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/2040-82-0x00000000002E0000-0x00000000002E6000-memory.dmp

      Filesize

      24KB

    • memory/2040-81-0x0000000000230000-0x000000000023C000-memory.dmp

      Filesize

      48KB

    • memory/2040-76-0x0000000000230000-0x0000000000256000-memory.dmp

      Filesize

      152KB

    • memory/2040-77-0x00000000002E0000-0x000000000030E000-memory.dmp

      Filesize

      184KB

    • memory/2040-74-0x0000000000230000-0x0000000000256000-memory.dmp

      Filesize

      152KB

    • memory/2040-80-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2040-75-0x0000000000230000-0x0000000000256000-memory.dmp

      Filesize

      152KB

    • memory/2040-54-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2040-55-0x00000000760D1000-0x00000000760D3000-memory.dmp

      Filesize

      8KB