Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 03:58

General

  • Target

    6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8.exe

  • Size

    199KB

  • MD5

    8cb62a156971ce47e5240a25932faa45

  • SHA1

    29519ab6377f6dda653f5a06b57d0bef90e71163

  • SHA256

    6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8

  • SHA512

    deb05bd443cb5665d8b4588af86521d0835be6b3e79730e69a910ad1868e79b8eaafb0746d637a0dfade0b7fe996ad84171af00aa9c29bd3c5dd50ec5433a6d7

  • SSDEEP

    3072:mk+Hn2oM3TUULfoAGrLGBgNGGoJKG7ERRbuemXhJGTr5cxXgj2:OnhM3BoHpoGoJKzRg1EcxQq

Score
10/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 17 IoCs
  • Disables taskbar notifications via registry modification
  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of FindShellTrayWindow 29 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8.exe
    "C:\Users\Admin\AppData\Local\Temp\6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\puy.exe
      "C:\Users\Admin\AppData\Local\puy.exe" -gav C:\Users\Admin\AppData\Local\Temp\6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8.exe
      2⤵
      • Modifies system executable filetype association
      • Executes dropped EXE
      • Deletes itself
      • Adds Run key to start application
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1388
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:936
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x58c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\puy.exe

    Filesize

    199KB

    MD5

    8cb62a156971ce47e5240a25932faa45

    SHA1

    29519ab6377f6dda653f5a06b57d0bef90e71163

    SHA256

    6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8

    SHA512

    deb05bd443cb5665d8b4588af86521d0835be6b3e79730e69a910ad1868e79b8eaafb0746d637a0dfade0b7fe996ad84171af00aa9c29bd3c5dd50ec5433a6d7

  • C:\Users\Admin\AppData\Local\puy.exe

    Filesize

    199KB

    MD5

    8cb62a156971ce47e5240a25932faa45

    SHA1

    29519ab6377f6dda653f5a06b57d0bef90e71163

    SHA256

    6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8

    SHA512

    deb05bd443cb5665d8b4588af86521d0835be6b3e79730e69a910ad1868e79b8eaafb0746d637a0dfade0b7fe996ad84171af00aa9c29bd3c5dd50ec5433a6d7

  • \Users\Admin\AppData\Local\puy.exe

    Filesize

    199KB

    MD5

    8cb62a156971ce47e5240a25932faa45

    SHA1

    29519ab6377f6dda653f5a06b57d0bef90e71163

    SHA256

    6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8

    SHA512

    deb05bd443cb5665d8b4588af86521d0835be6b3e79730e69a910ad1868e79b8eaafb0746d637a0dfade0b7fe996ad84171af00aa9c29bd3c5dd50ec5433a6d7

  • \Users\Admin\AppData\Local\puy.exe

    Filesize

    199KB

    MD5

    8cb62a156971ce47e5240a25932faa45

    SHA1

    29519ab6377f6dda653f5a06b57d0bef90e71163

    SHA256

    6b3da853d71971e0d25af90c0c4f9615e645db2f547a023e4e77dd1d551b78b8

    SHA512

    deb05bd443cb5665d8b4588af86521d0835be6b3e79730e69a910ad1868e79b8eaafb0746d637a0dfade0b7fe996ad84171af00aa9c29bd3c5dd50ec5433a6d7

  • memory/936-65-0x000007FEFBA51000-0x000007FEFBA53000-memory.dmp

    Filesize

    8KB

  • memory/1388-70-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1388-69-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1388-71-0x0000000074061000-0x0000000074063000-memory.dmp

    Filesize

    8KB

  • memory/1388-72-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1508-59-0x0000000002280000-0x0000000002537000-memory.dmp

    Filesize

    2.7MB

  • memory/1508-58-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1508-54-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1508-57-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1508-64-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1508-56-0x0000000074C91000-0x0000000074C93000-memory.dmp

    Filesize

    8KB

  • memory/1508-55-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB