Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    31/08/2023, 09:04

General

  • Target

    bed0c3698d2a4d0e10fff6678389831f8cd361fe9af7c59acec33dac8c67d6ec.exe

  • Size

    1.5MB

  • MD5

    c646338e3db607d1b05f4cc078656bbb

  • SHA1

    2accdfe05e4d50a2c2dc5596313b9ed87cd09e14

  • SHA256

    bed0c3698d2a4d0e10fff6678389831f8cd361fe9af7c59acec33dac8c67d6ec

  • SHA512

    3e98acaac466db3530fed1d7bc850f20b89b467d77d67c8c40f029e89cb796ef4fce94b49279ca975dc24402534bb6274e8dc2163e6dacb2a1c55db6f61c9715

  • SSDEEP

    24576:eYVLN+uGOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:BTT3HPkVOBTK

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 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 service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bed0c3698d2a4d0e10fff6678389831f8cd361fe9af7c59acec33dac8c67d6ec.exe
    "C:\Users\Admin\AppData\Local\Temp\bed0c3698d2a4d0e10fff6678389831f8cd361fe9af7c59acec33dac8c67d6ec.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1324
    • 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\BED0C3~1.EXE > nul
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2876
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2936
  • C:\Windows\SysWOW64\Jbrja.exe
    C:\Windows\SysWOW64\Jbrja.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\Jbrja.exe
      C:\Windows\SysWOW64\Jbrja.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:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Jbrja.exe

    Filesize

    1.5MB

    MD5

    c646338e3db607d1b05f4cc078656bbb

    SHA1

    2accdfe05e4d50a2c2dc5596313b9ed87cd09e14

    SHA256

    bed0c3698d2a4d0e10fff6678389831f8cd361fe9af7c59acec33dac8c67d6ec

    SHA512

    3e98acaac466db3530fed1d7bc850f20b89b467d77d67c8c40f029e89cb796ef4fce94b49279ca975dc24402534bb6274e8dc2163e6dacb2a1c55db6f61c9715

  • C:\Windows\SysWOW64\Jbrja.exe

    Filesize

    1.5MB

    MD5

    c646338e3db607d1b05f4cc078656bbb

    SHA1

    2accdfe05e4d50a2c2dc5596313b9ed87cd09e14

    SHA256

    bed0c3698d2a4d0e10fff6678389831f8cd361fe9af7c59acec33dac8c67d6ec

    SHA512

    3e98acaac466db3530fed1d7bc850f20b89b467d77d67c8c40f029e89cb796ef4fce94b49279ca975dc24402534bb6274e8dc2163e6dacb2a1c55db6f61c9715

  • C:\Windows\SysWOW64\Jbrja.exe

    Filesize

    1.5MB

    MD5

    c646338e3db607d1b05f4cc078656bbb

    SHA1

    2accdfe05e4d50a2c2dc5596313b9ed87cd09e14

    SHA256

    bed0c3698d2a4d0e10fff6678389831f8cd361fe9af7c59acec33dac8c67d6ec

    SHA512

    3e98acaac466db3530fed1d7bc850f20b89b467d77d67c8c40f029e89cb796ef4fce94b49279ca975dc24402534bb6274e8dc2163e6dacb2a1c55db6f61c9715

  • \Windows\SysWOW64\Jbrja.exe

    Filesize

    1.5MB

    MD5

    c646338e3db607d1b05f4cc078656bbb

    SHA1

    2accdfe05e4d50a2c2dc5596313b9ed87cd09e14

    SHA256

    bed0c3698d2a4d0e10fff6678389831f8cd361fe9af7c59acec33dac8c67d6ec

    SHA512

    3e98acaac466db3530fed1d7bc850f20b89b467d77d67c8c40f029e89cb796ef4fce94b49279ca975dc24402534bb6274e8dc2163e6dacb2a1c55db6f61c9715

  • memory/1324-0-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB

  • memory/2788-18-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB