Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-06-2023 06:13

General

  • Target

    tmp.exe

  • Size

    799KB

  • MD5

    ad88f1455f3a22bf958b8c2934096007

  • SHA1

    dd8e20e4bb6ee8fa198df78053da606248671587

  • SHA256

    119118f174d90c3dcfec3e81ef99bb4497b285a3c00b80a5fb12091d9591ce04

  • SHA512

    9106b195e9ce35d559cbf2e9154b2c8a355f8b1e0a5db8fa1bb59bc102c53ed5fc6b246a4a7124b0c776149bbd38c7323425e94a9c89f26e539f04ae416e5d6f

  • SSDEEP

    12288:2MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9j26MMnj:2nsJ39LyjbJkQFMhmC+6GD9gQ

Malware Config

Signatures

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • RunningRat payload 12 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 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 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:4236
    • 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:4904
      • 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:3996
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 1
          4⤵
          • Runs ping.exe
          PID:1768
    • 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:832
      • 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:1316
        • 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:1640
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 1
            5⤵
            • Runs ping.exe
            PID:2236
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remocte4"
    1⤵
      PID:3384
    • 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:3932
      • C:\Windows\SysWOW64\Remocte4.exe
        C:\Windows\system32\Remocte4.exe "c:\programdata\application data\240580750.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:660
    • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
      1⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3620

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\240580750.dll

      Filesize

      25KB

      MD5

      a5361fd5f3b75216acb0e87432184b42

      SHA1

      5356d13c9f071a18a669d450de2334b698cac5a2

      SHA256

      4a7c69595a4d62c6b24598aac05cf1e93fb521832faac0c49162ba68900ea8af

      SHA512

      ef727b3113b297691bcac46a869fe04c8a7a00304ff9a86ecd66e205f0453fac8f3706afd8a99305043c00ae09de9dfe38810f261181df9f02a87ba9407e9601

    • C:\ProgramData\240580750.dll

      Filesize

      25KB

      MD5

      a5361fd5f3b75216acb0e87432184b42

      SHA1

      5356d13c9f071a18a669d450de2334b698cac5a2

      SHA256

      4a7c69595a4d62c6b24598aac05cf1e93fb521832faac0c49162ba68900ea8af

      SHA512

      ef727b3113b297691bcac46a869fe04c8a7a00304ff9a86ecd66e205f0453fac8f3706afd8a99305043c00ae09de9dfe38810f261181df9f02a87ba9407e9601

    • C:\ProgramData\240580750.dll

      Filesize

      25KB

      MD5

      a5361fd5f3b75216acb0e87432184b42

      SHA1

      5356d13c9f071a18a669d450de2334b698cac5a2

      SHA256

      4a7c69595a4d62c6b24598aac05cf1e93fb521832faac0c49162ba68900ea8af

      SHA512

      ef727b3113b297691bcac46a869fe04c8a7a00304ff9a86ecd66e205f0453fac8f3706afd8a99305043c00ae09de9dfe38810f261181df9f02a87ba9407e9601

    • C:\ProgramData\240582031.dll

      Filesize

      25KB

      MD5

      a5361fd5f3b75216acb0e87432184b42

      SHA1

      5356d13c9f071a18a669d450de2334b698cac5a2

      SHA256

      4a7c69595a4d62c6b24598aac05cf1e93fb521832faac0c49162ba68900ea8af

      SHA512

      ef727b3113b297691bcac46a869fe04c8a7a00304ff9a86ecd66e205f0453fac8f3706afd8a99305043c00ae09de9dfe38810f261181df9f02a87ba9407e9601

    • C:\ProgramData\240582031.dll

      Filesize

      25KB

      MD5

      a5361fd5f3b75216acb0e87432184b42

      SHA1

      5356d13c9f071a18a669d450de2334b698cac5a2

      SHA256

      4a7c69595a4d62c6b24598aac05cf1e93fb521832faac0c49162ba68900ea8af

      SHA512

      ef727b3113b297691bcac46a869fe04c8a7a00304ff9a86ecd66e205f0453fac8f3706afd8a99305043c00ae09de9dfe38810f261181df9f02a87ba9407e9601

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      799KB

      MD5

      ad88f1455f3a22bf958b8c2934096007

      SHA1

      dd8e20e4bb6ee8fa198df78053da606248671587

      SHA256

      119118f174d90c3dcfec3e81ef99bb4497b285a3c00b80a5fb12091d9591ce04

      SHA512

      9106b195e9ce35d559cbf2e9154b2c8a355f8b1e0a5db8fa1bb59bc102c53ed5fc6b246a4a7124b0c776149bbd38c7323425e94a9c89f26e539f04ae416e5d6f

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      799KB

      MD5

      ad88f1455f3a22bf958b8c2934096007

      SHA1

      dd8e20e4bb6ee8fa198df78053da606248671587

      SHA256

      119118f174d90c3dcfec3e81ef99bb4497b285a3c00b80a5fb12091d9591ce04

      SHA512

      9106b195e9ce35d559cbf2e9154b2c8a355f8b1e0a5db8fa1bb59bc102c53ed5fc6b246a4a7124b0c776149bbd38c7323425e94a9c89f26e539f04ae416e5d6f

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      799KB

      MD5

      ad88f1455f3a22bf958b8c2934096007

      SHA1

      dd8e20e4bb6ee8fa198df78053da606248671587

      SHA256

      119118f174d90c3dcfec3e81ef99bb4497b285a3c00b80a5fb12091d9591ce04

      SHA512

      9106b195e9ce35d559cbf2e9154b2c8a355f8b1e0a5db8fa1bb59bc102c53ed5fc6b246a4a7124b0c776149bbd38c7323425e94a9c89f26e539f04ae416e5d6f

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

      Filesize

      48KB

      MD5

      5512a62bb078e6e8b4908951b79090f5

      SHA1

      76bee987a022872c88b96244e89a2a6b637b1c09

      SHA256

      657888a3323013eb04837aee028799f82fba9247c11e4c9a3d572897a2b528b9

      SHA512

      63f0603f8f41322da52ba47a1f66a1621c76f8b6c62a08d93429d19bc9a29238601b24b4d72d6522bbbb6490a4b1828ba2b754214d8224f7e3a54c16e8d32270

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

      Filesize

      48KB

      MD5

      5512a62bb078e6e8b4908951b79090f5

      SHA1

      76bee987a022872c88b96244e89a2a6b637b1c09

      SHA256

      657888a3323013eb04837aee028799f82fba9247c11e4c9a3d572897a2b528b9

      SHA512

      63f0603f8f41322da52ba47a1f66a1621c76f8b6c62a08d93429d19bc9a29238601b24b4d72d6522bbbb6490a4b1828ba2b754214d8224f7e3a54c16e8d32270

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

      Filesize

      48KB

      MD5

      5512a62bb078e6e8b4908951b79090f5

      SHA1

      76bee987a022872c88b96244e89a2a6b637b1c09

      SHA256

      657888a3323013eb04837aee028799f82fba9247c11e4c9a3d572897a2b528b9

      SHA512

      63f0603f8f41322da52ba47a1f66a1621c76f8b6c62a08d93429d19bc9a29238601b24b4d72d6522bbbb6490a4b1828ba2b754214d8224f7e3a54c16e8d32270

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

      Filesize

      48KB

      MD5

      5512a62bb078e6e8b4908951b79090f5

      SHA1

      76bee987a022872c88b96244e89a2a6b637b1c09

      SHA256

      657888a3323013eb04837aee028799f82fba9247c11e4c9a3d572897a2b528b9

      SHA512

      63f0603f8f41322da52ba47a1f66a1621c76f8b6c62a08d93429d19bc9a29238601b24b4d72d6522bbbb6490a4b1828ba2b754214d8224f7e3a54c16e8d32270

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

      Filesize

      48KB

      MD5

      5512a62bb078e6e8b4908951b79090f5

      SHA1

      76bee987a022872c88b96244e89a2a6b637b1c09

      SHA256

      657888a3323013eb04837aee028799f82fba9247c11e4c9a3d572897a2b528b9

      SHA512

      63f0603f8f41322da52ba47a1f66a1621c76f8b6c62a08d93429d19bc9a29238601b24b4d72d6522bbbb6490a4b1828ba2b754214d8224f7e3a54c16e8d32270

    • C:\Users\Admin\AppData\Local\Temp\49Kl6LyB.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • 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:\programdata\application data\240580750.dll

      Filesize

      25KB

      MD5

      a5361fd5f3b75216acb0e87432184b42

      SHA1

      5356d13c9f071a18a669d450de2334b698cac5a2

      SHA256

      4a7c69595a4d62c6b24598aac05cf1e93fb521832faac0c49162ba68900ea8af

      SHA512

      ef727b3113b297691bcac46a869fe04c8a7a00304ff9a86ecd66e205f0453fac8f3706afd8a99305043c00ae09de9dfe38810f261181df9f02a87ba9407e9601

    • memory/832-326-0x0000000002210000-0x0000000002211000-memory.dmp

      Filesize

      4KB

    • memory/832-348-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB

    • memory/832-364-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB

    • memory/832-387-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB

    • memory/3620-338-0x00007FFBB0E10000-0x00007FFBB0E20000-memory.dmp

      Filesize

      64KB

    • memory/3620-339-0x00007FFBB0E10000-0x00007FFBB0E20000-memory.dmp

      Filesize

      64KB

    • memory/3620-340-0x00007FFBB0E10000-0x00007FFBB0E20000-memory.dmp

      Filesize

      64KB

    • memory/3620-341-0x00007FFBB0E10000-0x00007FFBB0E20000-memory.dmp

      Filesize

      64KB

    • memory/3620-342-0x00007FFBB0E10000-0x00007FFBB0E20000-memory.dmp

      Filesize

      64KB

    • memory/3620-343-0x00007FFBAEAE0000-0x00007FFBAEAF0000-memory.dmp

      Filesize

      64KB

    • memory/3620-344-0x00007FFBAEAE0000-0x00007FFBAEAF0000-memory.dmp

      Filesize

      64KB

    • memory/4236-133-0x0000000002250000-0x0000000002251000-memory.dmp

      Filesize

      4KB

    • memory/4236-268-0x0000000000400000-0x00000000004CE000-memory.dmp

      Filesize

      824KB