Analysis

  • max time kernel
    149s
  • max time network
    182s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 04:27

General

  • Target

    615eb4d58c212957c7153c90426d24c611f3324a210a916f7c7cf247ddc69750.exe

  • Size

    31KB

  • MD5

    f54ffdd60c09ffb3f4efb9471e358351

  • SHA1

    3f22fa7af70163aa95a913a2b8f54be3c050e3eb

  • SHA256

    615eb4d58c212957c7153c90426d24c611f3324a210a916f7c7cf247ddc69750

  • SHA512

    7063ab54cba15832924104ad50343dbfaf6ca642d907a54db5d1f02112fe4f5aaa723c86495721a9ca77b92149c1b35c4951a03427ca1af0830a6f4715197ac9

  • SSDEEP

    768:D62nHocW3Tkcow+H63qv9wcLmCdocsyJAjFNjYRj+RKp5nbcuyD7U4lGuWC:D68oc6kzw+H6uBL9docfKYRjdnouy84t

Malware Config

Signatures

  • UAC bypass 3 TTPs 3 IoCs
  • Stops running service(s) 3 TTPs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 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 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Launches sc.exe 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 63 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\615eb4d58c212957c7153c90426d24c611f3324a210a916f7c7cf247ddc69750.exe
    "C:\Users\Admin\AppData\Local\Temp\615eb4d58c212957c7153c90426d24c611f3324a210a916f7c7cf247ddc69750.exe"
    1⤵
    • UAC bypass
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1952
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c sc stop policyagent
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\SysWOW64\sc.exe
        sc stop policyagent
        3⤵
        • Launches sc.exe
        PID:1768

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • \Windows\SysWOW64\7108216.DEP

          Filesize

          12.1MB

          MD5

          4b9e356eac342aa2583bb618b38a99d7

          SHA1

          95303c3d71f6d0dcc4d7f048af3aff64c3be18e5

          SHA256

          3b4e389948ff809b2c87d36a379c4513dfb845e3ca17bd5b44aa445175689c97

          SHA512

          58b08ed58768486aaaf61268f66994e8d3b2f76239aa37b213ecccbda7a28735620fcff08cc1169626afc2dac6901d2d5fb3cf4a0f8a7c77a9c1d8f8f173a066

        • memory/1952-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

          Filesize

          8KB

        • memory/1952-55-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1952-59-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB