Analysis

  • max time kernel
    5s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 10:53

General

  • Target

    b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

  • Size

    36KB

  • MD5

    08282aa746414124f37ed4887f5fbd86

  • SHA1

    eb20a16550a6b816f058103be555f695a546a908

  • SHA256

    b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3

  • SHA512

    f24f1391e52bc76eab535391b17dfb63eb9bd8858b33bcb0ff114b0db583ac5b8139acd65d8761b99d54255d9fc1287acda683708d2af539a5be4bf65b68649f

  • SSDEEP

    384:/TnZytCPvOQoIbxc2rXwv75ZVrUB4mPKNsrlk/FaIXumjKb/fcUssDRQsY54MHu:/1ytcvOQoIXgDlu3PKNsyMIem02sp0u

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe
    "C:\Users\Admin\AppData\Local\Temp\b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\orpis.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1668
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\orpis.exe" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1276

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\orpis.exe
    Filesize

    36KB

    MD5

    08282aa746414124f37ed4887f5fbd86

    SHA1

    eb20a16550a6b816f058103be555f695a546a908

    SHA256

    b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3

    SHA512

    f24f1391e52bc76eab535391b17dfb63eb9bd8858b33bcb0ff114b0db583ac5b8139acd65d8761b99d54255d9fc1287acda683708d2af539a5be4bf65b68649f

  • memory/1276-57-0x0000000000000000-mapping.dmp
  • memory/1668-56-0x0000000000000000-mapping.dmp