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Analysis

  • max time kernel
    150s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 09:09

General

  • Target

    3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6.exe

  • Size

    1015KB

  • MD5

    211aa37fead0732dc4cae273cd3a7131

  • SHA1

    3b0ba1d60f6f373d247b24ae95b86afa1b0407e0

  • SHA256

    3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6

  • SHA512

    753859095e660b7cf5509b3b67966deddfe621e655c5b544ef22bc13407ec1cae8ab3884f9bc138747182cf0443c3d01c12cee36da0dee2bf7adab1bf755dbf9

  • SSDEEP

    12288:We788oVf9pKHaLZj/RVLjC/+p/ekLjw4p0V8hu:j87Vb0aNjfLNptjpE

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6.exe
    "C:\Users\Admin\AppData\Local\Temp\3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\C_865D.exe
      C:\Windows\SysWOW64\C_865D.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1236
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins8048.bat "C:\Users\Admin\AppData\Local\Temp\3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6.exe"
      2⤵
      • Deletes itself
      PID:1324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\~unins8048.bat

    Filesize

    49B

    MD5

    9e0a2f5ab30517809b95a1ff1dd98c53

    SHA1

    5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

    SHA256

    97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

    SHA512

    e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

  • C:\Windows\SysWOW64\C_865D.exe

    Filesize

    248KB

    MD5

    459aa1a1cac86bbe09da6d1ca43fd91b

    SHA1

    80fc14a59b837ad8e799b470caf1ecb5eded4572

    SHA256

    a5a9654f5bc4fe48ee1b5d6420de908f21380f22664f008a02f5ad22d1c3ecb0

    SHA512

    cbc6134e5978f2503e2abfe6e1df0d2ddc221f09bff3c20391763043fe36b32dc5f29f0e57b8bff2d6541d7b559e4a56c3c73cc7b4ff7ff4f1f8ae93337b7b51

  • C:\Windows\SysWOW64\C_865D.exe

    Filesize

    248KB

    MD5

    459aa1a1cac86bbe09da6d1ca43fd91b

    SHA1

    80fc14a59b837ad8e799b470caf1ecb5eded4572

    SHA256

    a5a9654f5bc4fe48ee1b5d6420de908f21380f22664f008a02f5ad22d1c3ecb0

    SHA512

    cbc6134e5978f2503e2abfe6e1df0d2ddc221f09bff3c20391763043fe36b32dc5f29f0e57b8bff2d6541d7b559e4a56c3c73cc7b4ff7ff4f1f8ae93337b7b51

  • \Windows\SysWOW64\C_865D.exe

    Filesize

    248KB

    MD5

    459aa1a1cac86bbe09da6d1ca43fd91b

    SHA1

    80fc14a59b837ad8e799b470caf1ecb5eded4572

    SHA256

    a5a9654f5bc4fe48ee1b5d6420de908f21380f22664f008a02f5ad22d1c3ecb0

    SHA512

    cbc6134e5978f2503e2abfe6e1df0d2ddc221f09bff3c20391763043fe36b32dc5f29f0e57b8bff2d6541d7b559e4a56c3c73cc7b4ff7ff4f1f8ae93337b7b51

  • memory/1236-75-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/1236-71-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/1708-61-0x0000000001C90000-0x0000000001CEA000-memory.dmp

    Filesize

    360KB

  • memory/1708-63-0x0000000001CF1000-0x0000000001D52000-memory.dmp

    Filesize

    388KB

  • memory/1708-62-0x0000000001D52000-0x0000000001DAC000-memory.dmp

    Filesize

    360KB

  • memory/1708-54-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB

  • memory/1708-60-0x00000000001C0000-0x00000000001D0000-memory.dmp

    Filesize

    64KB

  • memory/1708-59-0x0000000001CF0000-0x0000000001DAD000-memory.dmp

    Filesize

    756KB

  • memory/1708-58-0x0000000001CF0000-0x0000000001DAD000-memory.dmp

    Filesize

    756KB

  • memory/1708-72-0x0000000001C90000-0x0000000001CEA000-memory.dmp

    Filesize

    360KB

  • memory/1708-73-0x0000000001D52000-0x0000000001DAC000-memory.dmp

    Filesize

    360KB

  • memory/1708-74-0x0000000001CF1000-0x0000000001D52000-memory.dmp

    Filesize

    388KB

  • memory/1708-55-0x0000000001CF0000-0x0000000001DAD000-memory.dmp

    Filesize

    756KB

  • memory/1708-76-0x0000000001D52000-0x0000000001DAC000-memory.dmp

    Filesize

    360KB