Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 01:17

General

  • Target

    sogou_pinyin_guanwang.exe

  • Size

    181.2MB

  • MD5

    42b9b4f540a534b0b7db83e9aba9d90d

  • SHA1

    57b56ba1dd6f9cf41c181c631f8cf829bab80607

  • SHA256

    c1103842cdc46be114dff25ae7e3b59e2a014133945d68eaffe02e84b2078b02

  • SHA512

    8983df90e6952725b54495516dd328760f9c9e37162589a55c16db2986063d9e0644f47157e9786a473f9da9bb37a5ac74fcbd818493443d17536e1abbc424eb

  • SSDEEP

    3145728:A/kfnZZRUWXNShZNxlb3oeUFRGp/K3GgUCoQKAQ6h398AWXNOQ14BDndvdXi37Dk:jnTLXwXNf4eUSJK39U8KAQ6hN8AW9H1m

Malware Config

Signatures

  • Detect PurpleFox Rootkit 1 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Checks computer location settings 2 TTPs 12 IoCs

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

  • Executes dropped EXE 14 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 62 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 20 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
    "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3144
    • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
      "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2180
    • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
      "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4532
      • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
        "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3064
      • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
        "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1236
        • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
          "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3144
        • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
          "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
          4⤵
          • Checks computer location settings
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:216
          • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
            "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            PID:1316
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 484
              6⤵
              • Program crash
              PID:47752
          • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
            "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
            5⤵
            • Checks computer location settings
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3280
            • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
              "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
              6⤵
              • Executes dropped EXE
              PID:23652
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 23652 -s 484
                7⤵
                • Program crash
                PID:47784
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 23652 -s 492
                7⤵
                • Program crash
                PID:5396
            • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
              "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
              6⤵
              • Checks computer location settings
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:23668
              • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
                "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
                7⤵
                • Executes dropped EXE
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                PID:30660
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 30660 -s 484
                  8⤵
                  • Program crash
                  PID:47844
              • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                7⤵
                • Checks computer location settings
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:6884
                • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                  "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                  8⤵
                  • Checks computer location settings
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:4168
                  • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
                    "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
                    9⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5440
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\CXIZPA~1.EXE > nul
                      10⤵
                      • System Network Configuration Discovery: Internet Connection Discovery
                      PID:77236
                  • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                    "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                    9⤵
                    • Checks computer location settings
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:5400
                    • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
                      "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
                      10⤵
                      • Executes dropped EXE
                      • Enumerates connected drives
                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                      • System Location Discovery: System Language Discovery
                      • Checks processor information in registry
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:5376
                    • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                      "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                      10⤵
                      • Checks computer location settings
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:5288
                      • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
                        "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
                        11⤵
                        • Executes dropped EXE
                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                        PID:22396
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 22396 -s 484
                          12⤵
                          • Program crash
                          PID:51328
                      • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                        "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                        11⤵
                        • Checks computer location settings
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of WriteProcessMemory
                        PID:22368
                        • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
                          "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
                          12⤵
                          • Executes dropped EXE
                          • Suspicious use of NtSetInformationThreadHideFromDebugger
                          • System Location Discovery: System Language Discovery
                          PID:18416
                        • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                          "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                          12⤵
                          • Checks computer location settings
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:26904
                          • C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe
                            "C:\Users\Admin\AppData\Local\Temp\cxizpasuqff.exe"
                            13⤵
                            • Executes dropped EXE
                            PID:36444
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 36444 -s 484
                              14⤵
                              • Program crash
                              PID:63960
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 36444 -s 492
                              14⤵
                              • Program crash
                              PID:76980
                          • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                            "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                            13⤵
                            • System Location Discovery: System Language Discovery
                            PID:8240
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1316 -ip 1316
    1⤵
      PID:47308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 23652 -ip 23652
      1⤵
        PID:47448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 30660 -ip 30660
        1⤵
          PID:47504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 23652 -ip 23652
          1⤵
            PID:432
          • C:\Windows\SysWOW64\Phija.exe
            C:\Windows\SysWOW64\Phija.exe -auto
            1⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            PID:38344
            • C:\Windows\SysWOW64\Phija.exe
              C:\Windows\SysWOW64\Phija.exe -acsi
              2⤵
              • Executes dropped EXE
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              PID:71652
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 22396 -ip 22396
            1⤵
              PID:70168
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 36444 -ip 36444
              1⤵
                PID:70820
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 36444 -ip 36444
                1⤵
                  PID:51760
                • C:\Windows\SysWOW64\Phija.exe
                  C:\Windows\SysWOW64\Phija.exe -auto
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  PID:82368
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 82368 -s 484
                    2⤵
                    • Program crash
                    PID:103660

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\H9dktaBeOIgh1.exe

                  Filesize

                  7.7MB

                  MD5

                  fcb567580061e72a4fc2f0546c1a16e3

                  SHA1

                  e1067931d0a684aad46b65545c9908e93e970747

                  SHA256

                  c6dd859819a7e14728cdc3c14fb1e00d94f905b26655fc56c99a0f428cc737ec

                  SHA512

                  637020414a2d9f8940cee8665f70bc3e6ebdbdb3676d3a70483c9a32dee917ef5f6db75150f11543f5949fa27fa42420d5e97c6a09338778840caa5c82fad188

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

                  Filesize

                  27.5MB

                  MD5

                  5d36204cd16f8081f1711b3910dc6907

                  SHA1

                  8eddb28bd6fca46be221e30008153f8f27aa9c09

                  SHA256

                  b100cb0d2b60c6caf1ff8e607967f4508c0c7b001f2a45b09fc916a3235dd968

                  SHA512

                  302b61b1dd23ce94b8773609c2258ca8503d0f22154c1c7780219981c39bcaa679c68a0d3e32ad4018a27ff2d0000f24151128b3ea716cb88614d9b2a3982f38

                • memory/1316-65963-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/1316-39267-0x0000000076C60000-0x0000000076E75000-memory.dmp

                  Filesize

                  2.1MB

                • memory/1316-43142-0x0000000075EA0000-0x0000000076040000-memory.dmp

                  Filesize

                  1.6MB

                • memory/1316-46544-0x0000000076B50000-0x0000000076BCA000-memory.dmp

                  Filesize

                  488KB

                • memory/2180-39224-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/2180-39225-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/2180-39236-0x0000000010000000-0x000000001019F000-memory.dmp

                  Filesize

                  1.6MB

                • memory/2180-39229-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/2180-4147-0x0000000075EA0000-0x0000000076040000-memory.dmp

                  Filesize

                  1.6MB

                • memory/2180-39222-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/2180-39227-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/2180-7294-0x0000000076B50000-0x0000000076BCA000-memory.dmp

                  Filesize

                  488KB

                • memory/2180-4497-0x00000000045E0000-0x0000000004789000-memory.dmp

                  Filesize

                  1.7MB

                • memory/2180-15-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/2180-17-0x0000000076C60000-0x0000000076E75000-memory.dmp

                  Filesize

                  2.1MB

                • memory/3064-39223-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3064-39230-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3064-1410-0x0000000076C60000-0x0000000076E75000-memory.dmp

                  Filesize

                  2.1MB

                • memory/3064-39234-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3064-16994-0x0000000076B50000-0x0000000076BCA000-memory.dmp

                  Filesize

                  488KB

                • memory/3064-12427-0x0000000075EA0000-0x0000000076040000-memory.dmp

                  Filesize

                  1.6MB

                • memory/3064-39232-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3064-39231-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3144-20518-0x0000000075EA0000-0x0000000076040000-memory.dmp

                  Filesize

                  1.6MB

                • memory/3144-10250-0x0000000076C60000-0x0000000076E75000-memory.dmp

                  Filesize

                  2.1MB

                • memory/3144-39242-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3144-39226-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3144-39243-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3144-39247-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3144-39235-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/3144-25351-0x0000000076B50000-0x0000000076BCA000-memory.dmp

                  Filesize

                  488KB

                • memory/5440-65969-0x0000000076C60000-0x0000000076E75000-memory.dmp

                  Filesize

                  2.1MB

                • memory/5440-69843-0x0000000075EA0000-0x0000000076040000-memory.dmp

                  Filesize

                  1.6MB

                • memory/5440-71852-0x0000000076B50000-0x0000000076BCA000-memory.dmp

                  Filesize

                  488KB

                • memory/5440-82914-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/5440-81513-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/5440-79038-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB

                • memory/22396-79039-0x0000000076C60000-0x0000000076E75000-memory.dmp

                  Filesize

                  2.1MB

                • memory/23652-43414-0x0000000076C60000-0x0000000076E75000-memory.dmp

                  Filesize

                  2.1MB

                • memory/30660-63657-0x0000000076B50000-0x0000000076BCA000-memory.dmp

                  Filesize

                  488KB

                • memory/30660-65964-0x0000000000400000-0x0000000001F88000-memory.dmp

                  Filesize

                  27.5MB