Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 18:51

General

  • Target

    4fe30eccaa4100a2beebc44629172b32ee16df454f28e43fec3ab6c9cc3a555d.exe

  • Size

    7.7MB

  • MD5

    19546560810ef99711b271c935b2d15a

  • SHA1

    154834254edaf11212c4a5ad2ccd3b932eb832c7

  • SHA256

    4fe30eccaa4100a2beebc44629172b32ee16df454f28e43fec3ab6c9cc3a555d

  • SHA512

    410e4d16f78d5b2840e82033ed9489b088736fce3e0f88072b3e45dcfdb6829b6dc6d8cad0dfaeb279fc05cec4c120f5b12ee9caa9f7464ad09649b1020b222d

  • SSDEEP

    196608:WKXbeO7sL+LKiStnVHmnbd78jAWs6rEI/lRZZ:779Kxt1eaTs6rEEvZ

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 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.

  • Drops file in Drivers directory 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 11 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fe30eccaa4100a2beebc44629172b32ee16df454f28e43fec3ab6c9cc3a555d.exe
    "C:\Users\Admin\AppData\Local\Temp\4fe30eccaa4100a2beebc44629172b32ee16df454f28e43fec3ab6c9cc3a555d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2216
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2656
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2576
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2464
    • C:\Users\Admin\AppData\Local\Temp\HD_4fe30eccaa4100a2beebc44629172b32ee16df454f28e43fec3ab6c9cc3a555d.exe
      C:\Users\Admin\AppData\Local\Temp\HD_4fe30eccaa4100a2beebc44629172b32ee16df454f28e43fec3ab6c9cc3a555d.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:2632
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3052
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259402643.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2828
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:2776

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat
      Filesize

      2.4MB

      MD5

      b82c14ef8c11b898eb4c1ebd9527a1b0

      SHA1

      96752643011cc5f28c711d990a74bc5dc72c88a8

      SHA256

      337765a6a7e25aa42c094e0432729e2eaf2a1c39c1fc3f6cb2887c87fd5e6943

      SHA512

      03a206f20851060116a734effd2051785b232d7f8b302a8d9335aa568b5b4eff23fb11d9a490ce314bceb76db7c3fee2df99d579a9ab16447c9e08154c0133cc

    • C:\Users\Admin\AppData\Local\Temp\R.exe
      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • C:\Users\Admin\AppData\Local\Temp\X.ico
      Filesize

      80KB

      MD5

      1ac09005abe593c929bb4064a2acda51

      SHA1

      a3885b10f09178ffb290fb158c6065cb914de1b6

      SHA256

      a897c16a7777dfa7307b4748c6f1fe9a84a1f0a49a46a9d0c834a290832a5b47

      SHA512

      b10136f8f379c9d74577d41713fef7653138d9bae310ebab62f1674b6b5e3e540ec108b5c55e1f419422289511d143a60b8291ceb7264a9cec8ce322aa18d4a4

    • C:\Users\Admin\Desktop\¶þÁã¶þËÄ.lnk
      Filesize

      1KB

      MD5

      2d38e1ef430a09f3135de29dc2809e32

      SHA1

      cced669fe71c62d1c906fc2edd7e40e12bc84aeb

      SHA256

      991259c94e1be85b9b47b1c1a91a96a078a8695475cdd8c739d97c727dc6c05e

      SHA512

      489d44318940759eeee52196d649aafa3ff6bd92327d23c394e97aa4b7562945daaf9a0e66b1bee8424ecd789aabcc0d8762072e1988bb5535950caa0eaf942e

    • \Users\Admin\AppData\Local\Temp\HD_4fe30eccaa4100a2beebc44629172b32ee16df454f28e43fec3ab6c9cc3a555d.exe
      Filesize

      5.2MB

      MD5

      9f5b243fd7e277e5c3ee77d51b6c96a3

      SHA1

      aceba987d311b87738f44924479af9ecab14c22c

      SHA256

      bf8c5827266224a27c3febca861f13b6c084f25e5ab207dd6e497d2d66388c1f

      SHA512

      de135c8304eebd7bc26e048e4a84e9f2c034e55d2aef9d97c32f4ae8446ba2da0e2b68abc9fb3ec690bac7817ab9c68f4c09076958345b8fc44e40ee046573b5

    • \Users\Admin\AppData\Local\Temp\N.exe
      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • \Users\Admin\AppData\Local\Temp\SkinH_EL.dll
      Filesize

      86KB

      MD5

      147127382e001f495d1842ee7a9e7912

      SHA1

      92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

      SHA256

      edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

      SHA512

      97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

    • \Windows\SysWOW64\259402643.txt
      Filesize

      899KB

      MD5

      3c39ad0dc670037a220209d6080ed028

      SHA1

      fa4e6f05d49b26db72382300380c2e8aefe8a609

      SHA256

      fcf20707d89bf7fef9815e343d9a3a7a0f574373ff23e23ec3d0b15e9358fd77

      SHA512

      eaea792771626c22749dd9eea887c301dc535b81f4448793381ca7cf01e9c5f486640c02c909b3a12d28438091fb2e5cd1630841083f9e60c8dcd2be43ade0bf

    • \Windows\SysWOW64\Remote Data.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2632-47-0x0000000010000000-0x000000001003D000-memory.dmp
      Filesize

      244KB

    • memory/2632-66-0x0000000010000000-0x000000001003D000-memory.dmp
      Filesize

      244KB

    • memory/2656-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2656-21-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2656-20-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2776-57-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2776-59-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2776-54-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB