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Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/09/2024, 11:13 UTC

General

  • Target

    e697742a0c12ee9b3f3bc5a04745c98062db1ac154dc1a6351d5f2a6f0166253.exe

  • Size

    491KB

  • MD5

    9248742a45493b74ced90a6c2787229b

  • SHA1

    6de6bf1f27437df0d94f549920271b14105478f3

  • SHA256

    e697742a0c12ee9b3f3bc5a04745c98062db1ac154dc1a6351d5f2a6f0166253

  • SHA512

    1a7be94fd6e95b17f4c5f4bb609a61a5aa9bb947e63a2749e7b53153f7a9c1060333d30168ed0dbba4dc6193bf86046f2bc3466214eaa1ea38589d2bcee29d1e

  • SSDEEP

    6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2RP6lZv:oDR+u8pfjYMMWNvdhUSByFPzJv

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e697742a0c12ee9b3f3bc5a04745c98062db1ac154dc1a6351d5f2a6f0166253.exe
    "C:\Users\Admin\AppData\Local\Temp\e697742a0c12ee9b3f3bc5a04745c98062db1ac154dc1a6351d5f2a6f0166253.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2132
    • 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\E69774~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2496
  • C:\Program Files\Sklde.exe
    "C:\\Program Files\\Sklde.exe" -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Program Files\Sklde.exe
      "C:\Program Files\Sklde.exe" -acsi
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2564

Network

  • flag-us
    DNS
    ts98.cc
    Sklde.exe
    Remote address:
    8.8.8.8:53
    Request
    ts98.cc
    IN A
    Response
    ts98.cc
    IN A
    154.82.93.72
  • flag-us
    DNS
    hzh.0xox0xox0.com
    Sklde.exe
    Remote address:
    8.8.8.8:53
    Request
    hzh.0xox0xox0.com
    IN A
    Response
  • flag-us
    DNS
    ts98.cc
    Sklde.exe
    Remote address:
    8.8.8.8:53
    Request
    ts98.cc
    IN A
    Response
    ts98.cc
    IN A
    154.82.93.72
  • flag-us
    DNS
    ts98.cc
    Sklde.exe
    Remote address:
    8.8.8.8:53
    Request
    ts98.cc
    IN A
    Response
    ts98.cc
    IN A
    154.82.93.72
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 154.82.93.72:14993
    ts98.cc
    Sklde.exe
    152 B
    120 B
    3
    3
  • 8.8.8.8:53
    ts98.cc
    dns
    Sklde.exe
    53 B
    69 B
    1
    1

    DNS Request

    ts98.cc

    DNS Response

    154.82.93.72

  • 8.8.8.8:53
    hzh.0xox0xox0.com
    dns
    Sklde.exe
    63 B
    124 B
    1
    1

    DNS Request

    hzh.0xox0xox0.com

  • 8.8.8.8:53
    ts98.cc
    dns
    Sklde.exe
    53 B
    69 B
    1
    1

    DNS Request

    ts98.cc

    DNS Response

    154.82.93.72

  • 8.8.8.8:53
    ts98.cc
    dns
    Sklde.exe
    53 B
    69 B
    1
    1

    DNS Request

    ts98.cc

    DNS Response

    154.82.93.72

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Sklde.exe

    Filesize

    491KB

    MD5

    9248742a45493b74ced90a6c2787229b

    SHA1

    6de6bf1f27437df0d94f549920271b14105478f3

    SHA256

    e697742a0c12ee9b3f3bc5a04745c98062db1ac154dc1a6351d5f2a6f0166253

    SHA512

    1a7be94fd6e95b17f4c5f4bb609a61a5aa9bb947e63a2749e7b53153f7a9c1060333d30168ed0dbba4dc6193bf86046f2bc3466214eaa1ea38589d2bcee29d1e

  • memory/2132-0-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2132-5-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2132-3-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2132-2-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2132-20-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2564-25-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2564-27-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2600-14-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2600-16-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2600-28-0x0000000010000000-0x00000000101D0000-memory.dmp

    Filesize

    1.8MB

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