Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2024, 03:29

General

  • Target

    c4dc4ca3ce70af3d013b2eab204d7447.exe

  • Size

    110KB

  • MD5

    c4dc4ca3ce70af3d013b2eab204d7447

  • SHA1

    3328a485655773fb696a89e81be6fcb25e9a6eb7

  • SHA256

    85e693531ab05707ad50ddcd7b4d1f39f70076363455715fc496b7fd55097a80

  • SHA512

    6c33f854a6fe0b3c88ea06fac091a58107042bc8a269a9549de1150c5b5a9ece6615870cf3ec2bde189535b28afaa82e6a7178814a3349d0f215030de62fbef0

  • SSDEEP

    3072:JHyojxtwyOsBKnTCXgzGjhk2LfAHC4612mBF1ivmn:JHyoIuu+XgI+W14612m8w

Malware Config

Signatures

  • Gh0st RAT payload 3 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4dc4ca3ce70af3d013b2eab204d7447.exe
    "C:\Users\Admin\AppData\Local\Temp\c4dc4ca3ce70af3d013b2eab204d7447.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Drops file in System32 directory
    • Drops file in Program Files directory
    PID:2856
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Deletes itself
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\windows\SysWOW64\fastuserswitchingcompatibilitysc.dll

    Filesize

    83KB

    MD5

    e4af60f38adfd41937804a89fdaaa45b

    SHA1

    1b496625e6a39353e41070971fabeade16b3361d

    SHA256

    b75134f93c2a2de173d387f9a52e88ab0170121b54fbaf41bd036b73f438d525

    SHA512

    04812961e7c82ac225220458dbe8f24f19065d52979e043f330a283893fda600a7d4a82088040bfff5d2406195b4468e9c043fa3a76c78c434be350d0fd54081

  • memory/2856-1-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2856-2-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2856-6-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB