Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2023 16:18

General

  • Target

    tmp.exe

  • Size

    801KB

  • MD5

    55bf28cbd852233ddf8de2f24dad5787

  • SHA1

    98a8794770fc469bf03c0c9d2a49230146add536

  • SHA256

    2dc388e62caa2497c4ba6a3a17b39a82a9f0cb9ec21921f893381215d82f073f

  • SHA512

    339b33fc1fd2dc8cee2f5b223a18af993781e3c164344023b6b14724d6d86704200af40ab46307b19507c0309f057e6ec1269363ad7252bce91a75aa5a320b06

  • SSDEEP

    12288:GMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9zl6MMAj:GnsJ39LyjbJkQFMhmC+6GD993

Malware Config

Signatures

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • RunningRat payload 11 IoCs
  • Sets DLL path for service in the registry 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Creates a Windows Service
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 5 IoCs
  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe"
      2⤵
      • Sets DLL path for service in the registry
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4028
      • 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\._cache_tmp.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3028
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 1
          4⤵
          • Runs ping.exe
          PID:1236
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:852
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Sets DLL path for service in the registry
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3924
        • 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\._cache_Synaptics.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2360
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 1
            5⤵
            • Runs ping.exe
            PID:2172
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remocte4"
    1⤵
      PID:1692
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remocte4"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Windows\SysWOW64\Remocte4.exe
        C:\Windows\system32\Remocte4.exe "c:\users\admin\appdata\local\temp\240587031.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2196

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      801KB

      MD5

      55bf28cbd852233ddf8de2f24dad5787

      SHA1

      98a8794770fc469bf03c0c9d2a49230146add536

      SHA256

      2dc388e62caa2497c4ba6a3a17b39a82a9f0cb9ec21921f893381215d82f073f

      SHA512

      339b33fc1fd2dc8cee2f5b223a18af993781e3c164344023b6b14724d6d86704200af40ab46307b19507c0309f057e6ec1269363ad7252bce91a75aa5a320b06

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      801KB

      MD5

      55bf28cbd852233ddf8de2f24dad5787

      SHA1

      98a8794770fc469bf03c0c9d2a49230146add536

      SHA256

      2dc388e62caa2497c4ba6a3a17b39a82a9f0cb9ec21921f893381215d82f073f

      SHA512

      339b33fc1fd2dc8cee2f5b223a18af993781e3c164344023b6b14724d6d86704200af40ab46307b19507c0309f057e6ec1269363ad7252bce91a75aa5a320b06

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      801KB

      MD5

      55bf28cbd852233ddf8de2f24dad5787

      SHA1

      98a8794770fc469bf03c0c9d2a49230146add536

      SHA256

      2dc388e62caa2497c4ba6a3a17b39a82a9f0cb9ec21921f893381215d82f073f

      SHA512

      339b33fc1fd2dc8cee2f5b223a18af993781e3c164344023b6b14724d6d86704200af40ab46307b19507c0309f057e6ec1269363ad7252bce91a75aa5a320b06

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

      Filesize

      48KB

      MD5

      b5c1093105c64255b496c73b41105a2d

      SHA1

      222eb6df5009b93341a53a8c02212315b68a4ef4

      SHA256

      2df8338dd020d2d2fdb734d2c9a463fe6e2a0dc5e45d4c2426e5336f1f29f328

      SHA512

      aa0188f823190c5825261ac35ec38b1fd4abb1e3b1e8c3908467dc7b1bc5110fe19ac6f71a5ffb42afdceb1795bf860bfbf0b2307251c3e4f56b570b031a46bf

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

      Filesize

      48KB

      MD5

      b5c1093105c64255b496c73b41105a2d

      SHA1

      222eb6df5009b93341a53a8c02212315b68a4ef4

      SHA256

      2df8338dd020d2d2fdb734d2c9a463fe6e2a0dc5e45d4c2426e5336f1f29f328

      SHA512

      aa0188f823190c5825261ac35ec38b1fd4abb1e3b1e8c3908467dc7b1bc5110fe19ac6f71a5ffb42afdceb1795bf860bfbf0b2307251c3e4f56b570b031a46bf

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

      Filesize

      48KB

      MD5

      b5c1093105c64255b496c73b41105a2d

      SHA1

      222eb6df5009b93341a53a8c02212315b68a4ef4

      SHA256

      2df8338dd020d2d2fdb734d2c9a463fe6e2a0dc5e45d4c2426e5336f1f29f328

      SHA512

      aa0188f823190c5825261ac35ec38b1fd4abb1e3b1e8c3908467dc7b1bc5110fe19ac6f71a5ffb42afdceb1795bf860bfbf0b2307251c3e4f56b570b031a46bf

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

      Filesize

      48KB

      MD5

      b5c1093105c64255b496c73b41105a2d

      SHA1

      222eb6df5009b93341a53a8c02212315b68a4ef4

      SHA256

      2df8338dd020d2d2fdb734d2c9a463fe6e2a0dc5e45d4c2426e5336f1f29f328

      SHA512

      aa0188f823190c5825261ac35ec38b1fd4abb1e3b1e8c3908467dc7b1bc5110fe19ac6f71a5ffb42afdceb1795bf860bfbf0b2307251c3e4f56b570b031a46bf

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

      Filesize

      48KB

      MD5

      b5c1093105c64255b496c73b41105a2d

      SHA1

      222eb6df5009b93341a53a8c02212315b68a4ef4

      SHA256

      2df8338dd020d2d2fdb734d2c9a463fe6e2a0dc5e45d4c2426e5336f1f29f328

      SHA512

      aa0188f823190c5825261ac35ec38b1fd4abb1e3b1e8c3908467dc7b1bc5110fe19ac6f71a5ffb42afdceb1795bf860bfbf0b2307251c3e4f56b570b031a46bf

    • C:\Users\Admin\AppData\Local\Temp\240587031.dll

      Filesize

      25KB

      MD5

      bd104dbf1faf517017be79792c5b2a26

      SHA1

      b811c6aa66e9bd81a309cdd251b7f90e9c7c876f

      SHA256

      1e818ad49f2b4fd9c0de3886c1d0fffd006ba1ae4021e7b17b896cc3dfaa591b

      SHA512

      2047235525c0b72dbf70c19480df5fcc6fcd99bebc404b90bc7d646f5a12680eb04aecb7a85022f419f1d268470550b5b7ce2c971d131950759a32e68c4416f9

    • C:\Users\Admin\AppData\Local\Temp\240587031.dll

      Filesize

      25KB

      MD5

      bd104dbf1faf517017be79792c5b2a26

      SHA1

      b811c6aa66e9bd81a309cdd251b7f90e9c7c876f

      SHA256

      1e818ad49f2b4fd9c0de3886c1d0fffd006ba1ae4021e7b17b896cc3dfaa591b

      SHA512

      2047235525c0b72dbf70c19480df5fcc6fcd99bebc404b90bc7d646f5a12680eb04aecb7a85022f419f1d268470550b5b7ce2c971d131950759a32e68c4416f9

    • C:\Users\Admin\AppData\Local\Temp\240587031.dll

      Filesize

      25KB

      MD5

      bd104dbf1faf517017be79792c5b2a26

      SHA1

      b811c6aa66e9bd81a309cdd251b7f90e9c7c876f

      SHA256

      1e818ad49f2b4fd9c0de3886c1d0fffd006ba1ae4021e7b17b896cc3dfaa591b

      SHA512

      2047235525c0b72dbf70c19480df5fcc6fcd99bebc404b90bc7d646f5a12680eb04aecb7a85022f419f1d268470550b5b7ce2c971d131950759a32e68c4416f9

    • C:\Users\Admin\AppData\Local\Temp\240588453.dll

      Filesize

      25KB

      MD5

      bd104dbf1faf517017be79792c5b2a26

      SHA1

      b811c6aa66e9bd81a309cdd251b7f90e9c7c876f

      SHA256

      1e818ad49f2b4fd9c0de3886c1d0fffd006ba1ae4021e7b17b896cc3dfaa591b

      SHA512

      2047235525c0b72dbf70c19480df5fcc6fcd99bebc404b90bc7d646f5a12680eb04aecb7a85022f419f1d268470550b5b7ce2c971d131950759a32e68c4416f9

    • C:\Users\Admin\AppData\Local\Temp\240588453.dll

      Filesize

      25KB

      MD5

      bd104dbf1faf517017be79792c5b2a26

      SHA1

      b811c6aa66e9bd81a309cdd251b7f90e9c7c876f

      SHA256

      1e818ad49f2b4fd9c0de3886c1d0fffd006ba1ae4021e7b17b896cc3dfaa591b

      SHA512

      2047235525c0b72dbf70c19480df5fcc6fcd99bebc404b90bc7d646f5a12680eb04aecb7a85022f419f1d268470550b5b7ce2c971d131950759a32e68c4416f9

    • C:\Windows\SysWOW64\Remocte4.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Windows\SysWOW64\Remocte4.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • \??\c:\users\admin\appdata\local\temp\240587031.dll

      Filesize

      25KB

      MD5

      bd104dbf1faf517017be79792c5b2a26

      SHA1

      b811c6aa66e9bd81a309cdd251b7f90e9c7c876f

      SHA256

      1e818ad49f2b4fd9c0de3886c1d0fffd006ba1ae4021e7b17b896cc3dfaa591b

      SHA512

      2047235525c0b72dbf70c19480df5fcc6fcd99bebc404b90bc7d646f5a12680eb04aecb7a85022f419f1d268470550b5b7ce2c971d131950759a32e68c4416f9

    • memory/852-319-0x0000000002110000-0x0000000002111000-memory.dmp

      Filesize

      4KB

    • memory/852-338-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB

    • memory/852-339-0x0000000002110000-0x0000000002111000-memory.dmp

      Filesize

      4KB

    • memory/852-361-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB

    • memory/2036-268-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB

    • memory/2036-133-0x0000000002360000-0x0000000002361000-memory.dmp

      Filesize

      4KB