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Analysis

  • max time kernel
    34s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/09/2024, 12:50

General

  • Target

    sogou_pinyin_guanwang.exe

  • Size

    181.1MB

  • MD5

    1c87dc067d9602f265cd0f0896de4a24

  • SHA1

    b02ab6f17bab80a57b7984512c1ea0b617fe9b18

  • SHA256

    9fb6f52969e1ef67a34e42113fa9b97fc0160245aaebd9d0b3b945583f504c97

  • SHA512

    1f6bfa7b63c9135b615d621c6bf75815c842980f95a999fff6372825d856eb4e620673505b4d839dfcbec6397715807d4d4da16abd81c3e964acf9f3656a0e1a

  • SSDEEP

    3145728:Z/kfnZZRUWXNShZNxlb3oeUFRGp/K3GgUCoQKAQ6h398AWXNOQ14BDndvdX6Sy7R:SnTLXwXNf4eUSJK39U8KAQ6hN8AW9H1R

Malware Config

Signatures

  • Detect PurpleFox Rootkit 4 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 4 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 3 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 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 7 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 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:4156
    • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
      "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:1172
      • 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\cepvynkl.exe > nul
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:24380
    • 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:1736
      • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
        "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2280
        • 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\cepvynkl.exe > nul
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          PID:15476
      • 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:4412
        • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
          "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:15512
        • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
          "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:15532
          • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
            "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
            5⤵
              PID:34236
            • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
              "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
              5⤵
                PID:36312
                • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                  "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                  6⤵
                    PID:39228
                  • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                    "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                    6⤵
                      PID:7828
                      • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                        "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                        7⤵
                          PID:14252
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 14252 -s 528
                            8⤵
                            • Program crash
                            PID:7008
                        • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                          "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                          7⤵
                            PID:23808
                            • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                              "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                              8⤵
                                PID:39524
                              • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                                "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                                8⤵
                                  PID:27372
                                  • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                                    "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                                    9⤵
                                      PID:38144
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -u -p 38144 -s 512
                                        10⤵
                                        • Program crash
                                        PID:6868
                                    • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                                      "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                                      9⤵
                                        PID:20424
                                        • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                                          "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                                          10⤵
                                            PID:50884
                                          • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                                            "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                                            10⤵
                                              PID:46816
                                              • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                                                "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                                                11⤵
                                                  PID:33448
                                                  • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                                                    12⤵
                                                      PID:6892
                                                    • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                                                      "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                                                      12⤵
                                                        PID:6980
                                                        • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                                                          13⤵
                                                            PID:61148
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -u -p 61148 -s 516
                                                              14⤵
                                                              • Program crash
                                                              PID:65104
                                                          • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                                                            13⤵
                                                              PID:68896
                                                              • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                                                                "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                                                                14⤵
                                                                  PID:34260
                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 34260 -s 516
                                                                    15⤵
                                                                    • Program crash
                                                                    PID:65088
                                                                • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                                                                  "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                                                                  14⤵
                                                                    PID:17792
                                                                    • C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe
                                                                      "C:\Users\Admin\AppData\Local\Temp\cepvynkl.exe"
                                                                      15⤵
                                                                        PID:53060
                                                                      • C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe
                                                                        "C:\Users\Admin\AppData\Local\Temp\sogou_pinyin_guanwang.exe"
                                                                        15⤵
                                                                          PID:66240
                                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 66240 -s 1604
                                                                            16⤵
                                                                            • Program crash
                                                                            PID:41576
                                            • C:\Windows\SysWOW64\Meume.exe
                                              C:\Windows\SysWOW64\Meume.exe -auto
                                              1⤵
                                              • Executes dropped EXE
                                              PID:15456
                                              • C:\Windows\SysWOW64\Meume.exe
                                                C:\Windows\SysWOW64\Meume.exe -acsi
                                                2⤵
                                                  PID:35160
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 35160 -s 484
                                                    3⤵
                                                    • Program crash
                                                    PID:7016
                                              • C:\Windows\SysWOW64\Meume.exe
                                                C:\Windows\SysWOW64\Meume.exe -auto
                                                1⤵
                                                  PID:47928
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 47928 -s 484
                                                    2⤵
                                                    • Program crash
                                                    PID:6880
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 38144 -ip 38144
                                                  1⤵
                                                    PID:6816
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 47928 -ip 47928
                                                    1⤵
                                                      PID:6800
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 14252 -ip 14252
                                                      1⤵
                                                        PID:6768
                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 35160 -ip 35160
                                                        1⤵
                                                          PID:6740
                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 50884 -ip 50884
                                                          1⤵
                                                            PID:6712
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 39524 -ip 39524
                                                            1⤵
                                                              PID:6820
                                                            • C:\Windows\SysWOW64\Meume.exe
                                                              C:\Windows\SysWOW64\Meume.exe -auto
                                                              1⤵
                                                                PID:79152
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -u -p 79152 -s 484
                                                                  2⤵
                                                                  • Program crash
                                                                  PID:65176
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 79152 -ip 79152
                                                                1⤵
                                                                  PID:22456
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 61148 -ip 61148
                                                                  1⤵
                                                                    PID:16592
                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 34260 -ip 34260
                                                                    1⤵
                                                                      PID:57880

                                                                    Network

                                                                    MITRE ATT&CK Enterprise v15

                                                                    Replay Monitor

                                                                    Loading Replay Monitor...

                                                                    Downloads

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

                                                                      Filesize

                                                                      27.4MB

                                                                      MD5

                                                                      d4393a1e49cf4d2b2d61efbe6b12c77a

                                                                      SHA1

                                                                      ed9c3aeafba0c05be7853d0933f0776290ed6943

                                                                      SHA256

                                                                      54784ca77b079b5f45366eeb666ed822949f985a0ee76a1945a0f9823733494d

                                                                      SHA512

                                                                      b5aa0c53253b219c6a363cc0ec8491bc990005fd0f982d72a3d9b7be3281b81357b233e96b51d336a2b6c59d42a06f472bba1b8a54482e3b5711102821d4048d

                                                                    • memory/1172-26160-0x0000000010000000-0x000000001019F000-memory.dmp

                                                                      Filesize

                                                                      1.6MB

                                                                    • memory/1172-13-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/1172-14-0x0000000077380000-0x0000000077595000-memory.dmp

                                                                      Filesize

                                                                      2.1MB

                                                                    • memory/1172-5282-0x0000000076690000-0x0000000076830000-memory.dmp

                                                                      Filesize

                                                                      1.6MB

                                                                    • memory/1172-8595-0x00000000771B0000-0x000000007722A000-memory.dmp

                                                                      Filesize

                                                                      488KB

                                                                    • memory/1172-26180-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/1172-26152-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/1172-26151-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/1172-26154-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/1172-26156-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/1172-26157-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/2280-26158-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/2280-26166-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/2280-26168-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/2280-26159-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/2280-15928-0x00000000771B0000-0x000000007722A000-memory.dmp

                                                                      Filesize

                                                                      488KB

                                                                    • memory/2280-26153-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/2280-11870-0x0000000076690000-0x0000000076830000-memory.dmp

                                                                      Filesize

                                                                      1.6MB

                                                                    • memory/2280-26181-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/2280-26183-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/2280-3544-0x0000000077380000-0x0000000077595000-memory.dmp

                                                                      Filesize

                                                                      2.1MB

                                                                    • memory/14252-70727-0x0000000076690000-0x0000000076830000-memory.dmp

                                                                      Filesize

                                                                      1.6MB

                                                                    • memory/14252-73712-0x00000000771B0000-0x000000007722A000-memory.dmp

                                                                      Filesize

                                                                      488KB

                                                                    • memory/14252-60070-0x0000000077380000-0x0000000077595000-memory.dmp

                                                                      Filesize

                                                                      2.1MB

                                                                    • memory/15456-32142-0x0000000076690000-0x0000000076830000-memory.dmp

                                                                      Filesize

                                                                      1.6MB

                                                                    • memory/15456-71315-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15456-35947-0x00000000771B0000-0x000000007722A000-memory.dmp

                                                                      Filesize

                                                                      488KB

                                                                    • memory/15456-72728-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15456-52820-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15456-91143-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15456-26189-0x0000000077380000-0x0000000077595000-memory.dmp

                                                                      Filesize

                                                                      2.1MB

                                                                    • memory/15456-55973-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15456-69879-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15456-71314-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15512-54763-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15512-74325-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15512-74960-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15512-36580-0x0000000076690000-0x0000000076830000-memory.dmp

                                                                      Filesize

                                                                      1.6MB

                                                                    • memory/15512-61598-0x0000000000400000-0x0000000001F5E000-memory.dmp

                                                                      Filesize

                                                                      27.4MB

                                                                    • memory/15512-39632-0x00000000771B0000-0x000000007722A000-memory.dmp

                                                                      Filesize

                                                                      488KB

                                                                    • memory/15512-26815-0x0000000077380000-0x0000000077595000-memory.dmp

                                                                      Filesize

                                                                      2.1MB

                                                                    • memory/34236-67998-0x00000000771B0000-0x000000007722A000-memory.dmp

                                                                      Filesize

                                                                      488KB

                                                                    • memory/34236-53545-0x0000000077380000-0x0000000077595000-memory.dmp

                                                                      Filesize

                                                                      2.1MB

                                                                    • memory/34236-62564-0x0000000076690000-0x0000000076830000-memory.dmp

                                                                      Filesize

                                                                      1.6MB

                                                                    • memory/39228-60394-0x0000000076690000-0x0000000076830000-memory.dmp

                                                                      Filesize

                                                                      1.6MB

                                                                    • memory/39228-64941-0x00000000771B0000-0x000000007722A000-memory.dmp

                                                                      Filesize

                                                                      488KB

                                                                    • memory/39228-52327-0x0000000077380000-0x0000000077595000-memory.dmp

                                                                      Filesize

                                                                      2.1MB

                                                                    • memory/39524-74445-0x0000000077380000-0x0000000077595000-memory.dmp

                                                                      Filesize

                                                                      2.1MB