Analysis

  • max time kernel
    6s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-12-2020 08:51

General

  • Target

    d6e428677d03e98845a2c84cb1e04ade.exe

  • Size

    100KB

  • MD5

    d6e428677d03e98845a2c84cb1e04ade

  • SHA1

    919abeb108f85e10cece90c349cea08043e307ca

  • SHA256

    435a836a250603d3014f794b7123a5ed21d5481a4a86c10d669e8b1f71e9f113

  • SHA512

    e0ebac44fd156eefd2861c908346baa900b45ee74c17bd11fc5ab903270d6817d5ffd87816c7ef510b70a3a964489108e33921d5409ab858d892abefff994e5c

Malware Config

Signatures

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 52 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6e428677d03e98845a2c84cb1e04ade.exe
    "C:\Users\Admin\AppData\Local\Temp\d6e428677d03e98845a2c84cb1e04ade.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\d6e428677d03e98845a2c84cb1e04ade.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 1
        3⤵
        • Runs ping.exe
        PID:1820
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "enterprise"
    1⤵
      PID:2000
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "enterprise"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Windows\SysWOW64\enterprise.exe
        C:\Windows\system32\enterprise.exe "c:\users\admin\appdata\local\temp\259258966.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:1204

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\enterprise.exe

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Windows\SysWOW64\enterprise.exe

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \??\c:\users\admin\appdata\local\temp\259258966.dll

      MD5

      3e04d3f68fc08ad2b76e21c4b2e04ab1

      SHA1

      bb72f4e9813a2d09b74b5ff0169dc6cd2ac71161

      SHA256

      5c16afd09ba3518331c0088a28d2c13d9d8a670d90deb1257618fbab615c1c36

      SHA512

      8b910fc7b05e3444bfaf3e33082b3ae600d04773ecb9b31df984305e301e70b6f542d55954cdcd0dd55597ada923824cdd574164412ed5eb5897e70f53845646

    • \Users\Admin\AppData\Local\Temp\259258966.dll

      MD5

      3e04d3f68fc08ad2b76e21c4b2e04ab1

      SHA1

      bb72f4e9813a2d09b74b5ff0169dc6cd2ac71161

      SHA256

      5c16afd09ba3518331c0088a28d2c13d9d8a670d90deb1257618fbab615c1c36

      SHA512

      8b910fc7b05e3444bfaf3e33082b3ae600d04773ecb9b31df984305e301e70b6f542d55954cdcd0dd55597ada923824cdd574164412ed5eb5897e70f53845646

    • \Users\Admin\AppData\Local\Temp\259258966.dll

      MD5

      3e04d3f68fc08ad2b76e21c4b2e04ab1

      SHA1

      bb72f4e9813a2d09b74b5ff0169dc6cd2ac71161

      SHA256

      5c16afd09ba3518331c0088a28d2c13d9d8a670d90deb1257618fbab615c1c36

      SHA512

      8b910fc7b05e3444bfaf3e33082b3ae600d04773ecb9b31df984305e301e70b6f542d55954cdcd0dd55597ada923824cdd574164412ed5eb5897e70f53845646

    • \Users\Admin\AppData\Local\Temp\259258966.dll

      MD5

      3e04d3f68fc08ad2b76e21c4b2e04ab1

      SHA1

      bb72f4e9813a2d09b74b5ff0169dc6cd2ac71161

      SHA256

      5c16afd09ba3518331c0088a28d2c13d9d8a670d90deb1257618fbab615c1c36

      SHA512

      8b910fc7b05e3444bfaf3e33082b3ae600d04773ecb9b31df984305e301e70b6f542d55954cdcd0dd55597ada923824cdd574164412ed5eb5897e70f53845646

    • \Users\Admin\AppData\Local\Temp\259258966.dll

      MD5

      3e04d3f68fc08ad2b76e21c4b2e04ab1

      SHA1

      bb72f4e9813a2d09b74b5ff0169dc6cd2ac71161

      SHA256

      5c16afd09ba3518331c0088a28d2c13d9d8a670d90deb1257618fbab615c1c36

      SHA512

      8b910fc7b05e3444bfaf3e33082b3ae600d04773ecb9b31df984305e301e70b6f542d55954cdcd0dd55597ada923824cdd574164412ed5eb5897e70f53845646

    • \Users\Admin\AppData\Local\Temp\259258966.dll

      MD5

      3e04d3f68fc08ad2b76e21c4b2e04ab1

      SHA1

      bb72f4e9813a2d09b74b5ff0169dc6cd2ac71161

      SHA256

      5c16afd09ba3518331c0088a28d2c13d9d8a670d90deb1257618fbab615c1c36

      SHA512

      8b910fc7b05e3444bfaf3e33082b3ae600d04773ecb9b31df984305e301e70b6f542d55954cdcd0dd55597ada923824cdd574164412ed5eb5897e70f53845646

    • \Users\Admin\AppData\Local\Temp\259258966.dll

      MD5

      3e04d3f68fc08ad2b76e21c4b2e04ab1

      SHA1

      bb72f4e9813a2d09b74b5ff0169dc6cd2ac71161

      SHA256

      5c16afd09ba3518331c0088a28d2c13d9d8a670d90deb1257618fbab615c1c36

      SHA512

      8b910fc7b05e3444bfaf3e33082b3ae600d04773ecb9b31df984305e301e70b6f542d55954cdcd0dd55597ada923824cdd574164412ed5eb5897e70f53845646

    • \Windows\SysWOW64\enterprise.exe

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1204-8-0x0000000000000000-mapping.dmp

    • memory/1820-6-0x0000000000000000-mapping.dmp

    • memory/1976-5-0x0000000000000000-mapping.dmp