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Analysis

  • max time kernel
    36s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 01:46

General

  • Target

    3332f27ec0c41f89c703df060b9daa88ccbd37c32c008d422c3657881dd3ccb1.exe

  • Size

    64KB

  • MD5

    deddae20f521af57b793b3cbec0cd3a0

  • SHA1

    5c46f84661e59524d4a25ce3ecb24e9e70f887f9

  • SHA256

    3332f27ec0c41f89c703df060b9daa88ccbd37c32c008d422c3657881dd3ccb1

  • SHA512

    73a4b02f76dd266f74c190c5fe31402e5a867ee2769c306b2a7f8902436e98523648cd3f80a5850e5b88689e326342185675dbe56cb46db5e2feaf329d469e4f

  • SSDEEP

    384:WfvwV69xlL2ZD0Pba3FA+vkyn3Sz7ki2PGlSNrk6u2c6qGzf:O4g4ZdFtvfn3SHki2GljZf6qQ

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3332f27ec0c41f89c703df060b9daa88ccbd37c32c008d422c3657881dd3ccb1.exe
    "C:\Users\Admin\AppData\Local\Temp\3332f27ec0c41f89c703df060b9daa88ccbd37c32c008d422c3657881dd3ccb1.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Windows\fonts\hjmcnlpd.dll"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:2000
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\3332F2~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1224

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\fonts\hjmcnlpd.dll

    Filesize

    44KB

    MD5

    40758e257cba2ec1e8d67c5dc986642b

    SHA1

    f85ff215551d73009ffd2cceb6b9a12dcdf41975

    SHA256

    f654be37402c81a0f4b0442a0e71c7b6b5d37d0ea13132695dc054eac0fb0638

    SHA512

    0c540d9f4073596e6959cd6957041d12c6543e9589c080f7e075999bb15f7feccae22bc8faec4ef0fd4a6eced198ec987e26b6cafc5258c47bea0782514b6996

  • \Windows\Fonts\hjmcnlpd.dll

    Filesize

    44KB

    MD5

    40758e257cba2ec1e8d67c5dc986642b

    SHA1

    f85ff215551d73009ffd2cceb6b9a12dcdf41975

    SHA256

    f654be37402c81a0f4b0442a0e71c7b6b5d37d0ea13132695dc054eac0fb0638

    SHA512

    0c540d9f4073596e6959cd6957041d12c6543e9589c080f7e075999bb15f7feccae22bc8faec4ef0fd4a6eced198ec987e26b6cafc5258c47bea0782514b6996

  • \Windows\Fonts\hjmcnlpd.dll

    Filesize

    44KB

    MD5

    40758e257cba2ec1e8d67c5dc986642b

    SHA1

    f85ff215551d73009ffd2cceb6b9a12dcdf41975

    SHA256

    f654be37402c81a0f4b0442a0e71c7b6b5d37d0ea13132695dc054eac0fb0638

    SHA512

    0c540d9f4073596e6959cd6957041d12c6543e9589c080f7e075999bb15f7feccae22bc8faec4ef0fd4a6eced198ec987e26b6cafc5258c47bea0782514b6996

  • memory/2000-56-0x00000000763F1000-0x00000000763F3000-memory.dmp

    Filesize

    8KB