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Analysis

  • max time kernel
    151s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 00:19

General

  • Target

    889cdd880c61ff2d8a087f5aadde16e06271d35629c117cd6ee4eaf9f1f81f84.exe

  • Size

    204KB

  • MD5

    16a5dfb813d17a5e788235fc5ef1dc62

  • SHA1

    952fe3f86b51a390e5e7395d8c86119875229e33

  • SHA256

    889cdd880c61ff2d8a087f5aadde16e06271d35629c117cd6ee4eaf9f1f81f84

  • SHA512

    6c8003b4e7ca3d39d081e7b2fcad21a3dbabcdbcc5a2ddef92f4c6bad399932b4356ac8665ce2511f67c624a62ab24c85ad9219d3f370993e3a2bf80716e67d7

  • SSDEEP

    3072:eun/3fTWor5J20AisM/8jp6tdlWbRVslWQifgO4F0llD/:esTWqJ3RsM/8E/IbRuLifI0l1

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\889cdd880c61ff2d8a087f5aadde16e06271d35629c117cd6ee4eaf9f1f81f84.exe
    "C:\Users\Admin\AppData\Local\Temp\889cdd880c61ff2d8a087f5aadde16e06271d35629c117cd6ee4eaf9f1f81f84.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Users\Admin\yeahie.exe
      "C:\Users\Admin\yeahie.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\yeahie.exe

    Filesize

    204KB

    MD5

    04dd62776a92b41688e73fc5f778761a

    SHA1

    f57a3ebc1389761499bca46a2e56925433b561a5

    SHA256

    e9486ffcb11a0230a4b3ef98416561960b14c971b3a4a22c29fd672cf664ff2b

    SHA512

    beeaf95826001a64ce6883ef4269319c24139565d057ec7e9f21dec3fd212982560b3b74b4aa9fe255cf43cae8f9f219e50331fdd6459b5300555d21e8e64d0c

  • C:\Users\Admin\yeahie.exe

    Filesize

    204KB

    MD5

    04dd62776a92b41688e73fc5f778761a

    SHA1

    f57a3ebc1389761499bca46a2e56925433b561a5

    SHA256

    e9486ffcb11a0230a4b3ef98416561960b14c971b3a4a22c29fd672cf664ff2b

    SHA512

    beeaf95826001a64ce6883ef4269319c24139565d057ec7e9f21dec3fd212982560b3b74b4aa9fe255cf43cae8f9f219e50331fdd6459b5300555d21e8e64d0c

  • \Users\Admin\yeahie.exe

    Filesize

    204KB

    MD5

    04dd62776a92b41688e73fc5f778761a

    SHA1

    f57a3ebc1389761499bca46a2e56925433b561a5

    SHA256

    e9486ffcb11a0230a4b3ef98416561960b14c971b3a4a22c29fd672cf664ff2b

    SHA512

    beeaf95826001a64ce6883ef4269319c24139565d057ec7e9f21dec3fd212982560b3b74b4aa9fe255cf43cae8f9f219e50331fdd6459b5300555d21e8e64d0c

  • \Users\Admin\yeahie.exe

    Filesize

    204KB

    MD5

    04dd62776a92b41688e73fc5f778761a

    SHA1

    f57a3ebc1389761499bca46a2e56925433b561a5

    SHA256

    e9486ffcb11a0230a4b3ef98416561960b14c971b3a4a22c29fd672cf664ff2b

    SHA512

    beeaf95826001a64ce6883ef4269319c24139565d057ec7e9f21dec3fd212982560b3b74b4aa9fe255cf43cae8f9f219e50331fdd6459b5300555d21e8e64d0c

  • memory/1784-67-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/1784-70-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/1788-56-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/1788-57-0x0000000076321000-0x0000000076323000-memory.dmp

    Filesize

    8KB

  • memory/1788-65-0x0000000002D50000-0x0000000002D96000-memory.dmp

    Filesize

    280KB

  • memory/1788-66-0x0000000002D50000-0x0000000002D96000-memory.dmp

    Filesize

    280KB

  • memory/1788-69-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB