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Analysis

  • max time kernel
    151s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 00:52

General

  • Target

    181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

  • Size

    9.1MB

  • MD5

    aaa585f29635d03b33aab4180b386665

  • SHA1

    97d7eb0712cdaf1cb93b80a4e027285bb5cf5583

  • SHA256

    181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850

  • SHA512

    83cac084e64b0a494b1063dfe6ee6be4298db70ecb4df5c239c56309c92edb1342e371b93a64346f9692c1af72f008dff9b78cae0f29101330e8027138db3d14

  • SSDEEP

    196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQulen8u:i7effIPEsy58doQaTxLhQyZbIly38dob

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 12 IoCs

    Detects file using ACProtect software.

  • Drops file in Drivers directory 4 IoCs
  • Sets service image path in registry 2 TTPs 3 IoCs
  • UPX packed file 25 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
    "C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
      C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
        C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        PID:1868
      • C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
        C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
        3⤵
        • Enumerates connected drives
        PID:1872
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:4648
    • C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
      C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
        C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        PID:320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Local Settings\Application Data\cftmon.exe

    Filesize

    9.1MB

    MD5

    09bd892eeb66f1c0da054562cb4e8150

    SHA1

    c63bdb2e940bec1a8951eba26c28dd2b21254895

    SHA256

    aaecc455a3b8a4532b831c7d1f3ced59fe30ce0f8e83da1090d931c97699e086

    SHA512

    04d4acf7a5108bd005126b477d6c28dd367bb2116f53e0f350c931f2d6f4a8646fbeadab6bfad6cb5d0d47b825f81e7396b8246e7d765355036b100ff911be83

  • C:\Users\Admin\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Users\Admin\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Windows\SysWOW64\drivers\spools.exe

    Filesize

    9.1MB

    MD5

    1394cf76e5230a7f46168f0aceb54e9d

    SHA1

    b16f9ea92f0a953d7adaf82a94cd32ded85c216b

    SHA256

    8a372756b9a53c29c60d25292b74a7eb028f0b28666cc9f6ba1d07c2263beb2a

    SHA512

    9a53a77542a89beeda0279e94e3905dd2f45c58f1e70bee818cd5c8edd357047b6b7ba8b93dec30fbcf64b58897a8cac7030828ccb0ee27937fae388e43ca08c

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/320-154-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/320-160-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/320-161-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/320-162-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1868-143-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1868-150-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1868-149-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1872-153-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2184-156-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2184-138-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3064-142-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/3064-132-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3064-141-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3064-139-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/4328-155-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4328-134-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB