Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 04:01

General

  • Target

    SoftUpdate.exe

  • Size

    27.3MB

  • MD5

    7242a7175a802d9d42020d49d302c8ca

  • SHA1

    ff0f6adcce3d43a3aca6dc07bd58a4d8a981db7a

  • SHA256

    5d58b6a597af3f62350210bf7787ae6f95dfe339f78f4cd73532d58e437fee31

  • SHA512

    32277c1711aeec60349f4b2987c6fefe6059d40ad04abdc6f49c71cf89d59fdfcd1da5b4a59dfe47bbb15541fcf6a008ba5ce20689d5570a1c967d51c99d04c5

  • SSDEEP

    393216:AbpnKq10jUmMdJKOQIWx0XsiK5isSG90AQ/WF80uVgV3bo01gZeFIqCnzieQb1tk:op0gJKObG9zpQ0rhV3bb1xFI7xQb1tM1

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.

  • Gh0strat family
  • PurpleFox

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

  • Purplefox family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 37 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 12 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SoftUpdate.exe
    "C:\Users\Admin\AppData\Local\Temp\SoftUpdate.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2100
    • 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\SOFTUP~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:11700
      • 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:7820
  • C:\Windows\SysWOW64\Kbskb.exe
    C:\Windows\SysWOW64\Kbskb.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Windows\SysWOW64\Kbskb.exe
      C:\Windows\SysWOW64\Kbskb.exe -acsi
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:11780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\Kbskb.exe

    Filesize

    27.3MB

    MD5

    7242a7175a802d9d42020d49d302c8ca

    SHA1

    ff0f6adcce3d43a3aca6dc07bd58a4d8a981db7a

    SHA256

    5d58b6a597af3f62350210bf7787ae6f95dfe339f78f4cd73532d58e437fee31

    SHA512

    32277c1711aeec60349f4b2987c6fefe6059d40ad04abdc6f49c71cf89d59fdfcd1da5b4a59dfe47bbb15541fcf6a008ba5ce20689d5570a1c967d51c99d04c5

  • memory/2100-853-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-810-0x00000000025F0000-0x0000000004149000-memory.dmp

    Filesize

    27.3MB

  • memory/2100-815-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-851-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-812-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-849-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-857-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-872-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-870-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-874-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-867-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-868-0x00000000025F0000-0x0000000004149000-memory.dmp

    Filesize

    27.3MB

  • memory/2100-865-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-863-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-861-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-859-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-855-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-0-0x0000000000400000-0x0000000001F59000-memory.dmp

    Filesize

    27.3MB

  • memory/2100-813-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-1-0x0000000076830000-0x0000000076877000-memory.dmp

    Filesize

    284KB

  • memory/2100-843-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-845-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-841-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-839-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-837-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-835-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-833-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-831-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-829-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-827-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-825-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-823-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-821-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-819-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-817-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-847-0x0000000004130000-0x0000000004241000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-17404-0x0000000000400000-0x0000000001F59000-memory.dmp

    Filesize

    27.3MB