Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 10:32

General

  • Target

    fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe

  • Size

    14.8MB

  • MD5

    f2d26e9e38f67c5402d4ec26b6e7e023

  • SHA1

    05e6248c0902d36ade9df0e9cbd9a243f96ce054

  • SHA256

    fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365

  • SHA512

    9bab9ad3519a24d06206edc7f065ea30f525f2a9ee32bb1bce959e0cb7a1ab3f46346368bd5f6c7475e20994aed8e873731a4ef8b4838511918f662a20266c79

  • SSDEEP

    393216:HN4H3X8OlWVs7iN1QeulpRrQp17pZBf9:HNc2Vs7deuHR

Score
9/10

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe
    "C:\Users\Admin\AppData\Local\Temp\fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\ytool\HEEeGHXVThDsN6h.exe
      "C:\Users\Admin\AppData\Local\Temp\fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe" "C:\Users\Admin\AppData\Local\Temp\fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1848
    • C:\Users\Admin\AppData\Local\Temp\京都江湖.exe
      "C:\Users\Admin\AppData\Local\Temp\京都江湖.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Users\Admin\AppData\Local\Temp\RXJH2Game.exe
        "C:\Users\Admin\AppData\Local\Temp\RXJH2Game.exe" http://xkt.cac88.cn/...................
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 824
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

    Filesize

    449B

    MD5

    ee2165cd3e7b5976c3121746f2fe94cf

    SHA1

    999d620e7b2e5035cf652d5358ce26214326b2f0

    SHA256

    b6e143e6d9060fd8dddb81e8b59954136634456005008c7b2c726cf846e74f87

    SHA512

    50aa5e38f4d5fb3a7e4bd3f74960999f7fa7f665c3dfeb178172472d121cd353a7ab4c1cb38a562b22176ebd8b1791ddb0caf1582796c00c7935e54fd5d90629

  • C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

    Filesize

    6KB

    MD5

    c3a3fe4e9c8980687ee8ff574629c362

    SHA1

    d8bc3e2363eddf4c148f8d4922956ff506807998

    SHA256

    45f8639091a9c281efe5920c45f2e8a0e4739ae8f92e2c02f0adba9b2e3ca946

    SHA512

    bb7cedac6b4d194924d2c99445b74c992ab7e5e31d24fc1b4d4d9ee0f714318f81f0917b354631fc47f83107dc00f8edea16db1ecf1f4b5f053c2327b7d34153

  • \Users\Admin\AppData\Local\Temp\RXJH2Game.exe

    Filesize

    44KB

    MD5

    64a4ea2a47e049fc907279bde7a54b52

    SHA1

    66322364a9dc2156179de7fea5f1d0b930675670

    SHA256

    f965de4a8e553a7eb4853fbc2a0a982efa3e263edec1da4206ea5870c27af024

    SHA512

    4699ebc8304cad67cf0b5531854afc56846f7a77ffc7396640fabdc0e42fb760bafaf213aa4e0ca23961da831a60dd5ceefe11de7fa9767261a07301c34191b7

  • \Users\Admin\AppData\Local\Temp\ytool\HEEeGHXVThDsN6h.exe

    Filesize

    5.2MB

    MD5

    bd071dbab6417cb317d50d1b62fe082c

    SHA1

    ca84d0d018a4b4017cd641d1fc36a47b4348f4df

    SHA256

    11418cd83df43b5f6be435040f2d4242195df5a24dbe295ae26f2dcc5e430b7c

    SHA512

    89bac3f5542399f6c33ba350afc62a36e102bff2650b5ced36eb5f92a1cabfa8d26e19af1fc168b71d48a1c675028042a6d552e78ad64bdf946d14b798820437

  • \Users\Admin\AppData\Local\Temp\京都江湖.exe

    Filesize

    6.6MB

    MD5

    a579211b81cb5fa0f786a238469c51dc

    SHA1

    a3fc7a95bf080e592ebbcc5a6b7986db87fa58f0

    SHA256

    e3e84526ad020930059828bb03abe7cf3b22870ddf888a7cf5b5397d0fa508bf

    SHA512

    9dcab2dd1b6fdb142b495de12dd9bc149e43e7c49d63481598d349d3b96308e5b04b4739d6407ef8057fd8c9ac92932c3d9119e3211de5ca853f830ca842c642

  • memory/2120-34-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2120-44-0x0000000001030000-0x0000000001031000-memory.dmp

    Filesize

    4KB

  • memory/2120-26-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2120-29-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2120-31-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2120-22-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2120-36-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2120-39-0x0000000001020000-0x0000000001021000-memory.dmp

    Filesize

    4KB

  • memory/2120-41-0x0000000001020000-0x0000000001021000-memory.dmp

    Filesize

    4KB

  • memory/2120-24-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2120-46-0x0000000001030000-0x0000000001031000-memory.dmp

    Filesize

    4KB

  • memory/2120-47-0x0000000001040000-0x0000000001041000-memory.dmp

    Filesize

    4KB

  • memory/2120-49-0x0000000001040000-0x0000000001041000-memory.dmp

    Filesize

    4KB

  • memory/2120-51-0x0000000001040000-0x0000000001041000-memory.dmp

    Filesize

    4KB

  • memory/2120-52-0x0000000000400000-0x0000000001015000-memory.dmp

    Filesize

    12.1MB

  • memory/2120-21-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2120-17-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2120-19-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB