Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/08/2026, 14:36

General

  • Target
    96bfc41f969b2df575405bfd4107485fd19ffbee36a271add5d07b1971808fdb.exe
  • Size 975KB
  • Sample260805-ryrynsbf72
  • SHA256 96bfc41f969b2df575405bfd4107485fd19ffbee36a271add5d07b1971808fdb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 5 IoCs
  • Disables service(s) 3 TTPs
  • Stops running service(s) 4 TTPs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Launches sc.exe 40 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Modifies trusted root certificate store through registry 1 TTPs 1 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • Modifies registry class 11 IoCs
  • Modifies system certificate store 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 58 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96bfc41f969b2df575405bfd4107485fd19ffbee36a271add5d07b1971808fdb.exe
    "C:\Users\Admin\AppData\Local\Temp\96bfc41f969b2df575405bfd4107485fd19ffbee36a271add5d07b1971808fdb.exe"
    1⤵
    • Event Triggered Execution: Image File Execution Options Injection
    • Checks for any installed AV software in registry
    • Drops file in Program Files directory
    • Modifies trusted root certificate store through registry
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Windows\system32\fltmc.exe
      "C:\Windows\system32\fltmc.exe" unload DsArk
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4752
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop ZhuDongFangYu
      2⤵
      • Launches sc.exe
      PID:1900
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config ZhuDongFangYu start= disabled
      2⤵
      • Launches sc.exe
      PID:1604
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop Zhudongfangyu
      2⤵
      • Launches sc.exe
      PID:3184
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config Zhudongfangyu start= disabled
      2⤵
      • Launches sc.exe
      PID:3760
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop DsArk
      2⤵
      • Launches sc.exe
      PID:3352
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config DsArk start= disabled
      2⤵
      • Launches sc.exe
      PID:2744
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop QHActiveDefense
      2⤵
      • Launches sc.exe
      PID:1340
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config QHActiveDefense start= disabled
      2⤵
      • Launches sc.exe
      PID:2052
    • C:\Windows\system32\fltmc.exe
      "C:\Windows\system32\fltmc.exe" unload DsArk
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop ZhuDongFangYu
      2⤵
      • Launches sc.exe
      PID:4060
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config ZhuDongFangYu start= disabled
      2⤵
      • Launches sc.exe
      PID:5028
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop Zhudongfangyu
      2⤵
      • Launches sc.exe
      PID:4220
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config Zhudongfangyu start= disabled
      2⤵
      • Launches sc.exe
      PID:720
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop DsArk
      2⤵
      • Launches sc.exe
      PID:1748
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config DsArk start= disabled
      2⤵
      • Launches sc.exe
      PID:3940
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop QHActiveDefense
      2⤵
      • Launches sc.exe
      PID:2828
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config QHActiveDefense start= disabled
      2⤵
      • Launches sc.exe
      PID:4892
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop ZhuDongFangYu
      2⤵
      • Launches sc.exe
      PID:540
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config ZhuDongFangYu start= disabled
      2⤵
      • Launches sc.exe
      PID:404
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop Zhudongfangyu
      2⤵
      • Launches sc.exe
      PID:4228
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config Zhudongfangyu start= disabled
      2⤵
      • Launches sc.exe
      PID:560
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop DsArk
      2⤵
      • Launches sc.exe
      PID:1992
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config DsArk start= disabled
      2⤵
      • Launches sc.exe
      PID:3020
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop QHActiveDefense
      2⤵
      • Launches sc.exe
      PID:780
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config QHActiveDefense start= disabled
      2⤵
      • Launches sc.exe
      PID:4928
    • C:\Windows\system32\fltmc.exe
      "C:\Windows\system32\fltmc.exe" unload DsArk
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3364
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop ZhuDongFangYu
      2⤵
      • Launches sc.exe
      PID:8
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config ZhuDongFangYu start= disabled
      2⤵
      • Launches sc.exe
      PID:3204
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop Zhudongfangyu
      2⤵
      • Launches sc.exe
      PID:2184
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config Zhudongfangyu start= disabled
      2⤵
      • Launches sc.exe
      PID:4716
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop DsArk
      2⤵
      • Launches sc.exe
      PID:3536
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config DsArk start= disabled
      2⤵
      • Launches sc.exe
      PID:2796
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop QHActiveDefense
      2⤵
      • Launches sc.exe
      PID:1868
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config QHActiveDefense start= disabled
      2⤵
      • Launches sc.exe
      PID:1444
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop ZhuDongFangYu
      2⤵
      • Launches sc.exe
      PID:4516
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config ZhuDongFangYu start= disabled
      2⤵
      • Launches sc.exe
      PID:3516
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop Zhudongfangyu
      2⤵
      • Launches sc.exe
      PID:2332
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config Zhudongfangyu start= disabled
      2⤵
      • Launches sc.exe
      PID:1832
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop DsArk
      2⤵
      • Launches sc.exe
      PID:4344
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config DsArk start= disabled
      2⤵
      • Launches sc.exe
      PID:4784
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" stop QHActiveDefense
      2⤵
      • Launches sc.exe
      PID:4216
    • C:\Windows\system32\sc.exe
      "C:\Windows\system32\sc.exe" config QHActiveDefense start= disabled
      2⤵
      • Launches sc.exe
      PID:4252

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ca.crt.pem

        • Path C:\ProgramData\YngRuntime\backup\ca.crt.pem
        • Size 1KB
        • SHA256 c0f21d6d5fd9786d764332ad3cba17e475973ff010caf5116ea43495fc3bd9ec
        • MD5 SHA1 SHA512 TLSH

        ca.key.pem

        • Path C:\ProgramData\YngRuntime\backup\ca.key.pem
        • Size 1KB
        • SHA256 3c49a662505321bf0e0445c3efa61da2cd173fcc8f5c260324183c3626b22303
        • MD5 SHA1 SHA512 TLSH

        device_id.txt

        • Path C:\ProgramData\YngRuntime\device_id.txt
        • Size 33B
        • SHA256 9b27ecfa9b65cc90a87f58ca24bbf434a1e1303ac2c83a60d2a9549c9da6ff68
        • MD5 SHA1 SHA512

        parent_unlock.sha256

        • Path C:\ProgramData\YngRuntime\parent_unlock.sha256
        • Size 65B
        • SHA256 aab795a8c8cf23b82a97d87fd4e145a35c37d734802e5bf0d98fd3ad8893c010
        • MD5 SHA1 SHA512 TLSH