Analysis

  • max time kernel
    111s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 12:18

General

  • Target

    af3e6d76ca80b4db9c8218befeb3b85bf8545cf8277c13324ea870133ecb52ec.exe

  • Size

    538KB

  • MD5

    7a6cee465502fd5c5ee9fa522f376310

  • SHA1

    294234c66b393a9f37dbd0d1096d5b627d3497ba

  • SHA256

    af3e6d76ca80b4db9c8218befeb3b85bf8545cf8277c13324ea870133ecb52ec

  • SHA512

    18617b1efaecc85f3f0383b972da48923a5b3d71f743a1b705dedb0b752550ec2570bd1b6e74e5d047c618ee3c63dc335d3f865b61b44ef4756a977abfe6614f

  • SSDEEP

    12288:6Yhcq8xzZTkQ4DDfO+lDp5QBooT3oDznHbUl0il67L5:BhcTZTaDfXNQCrPbGa/5

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af3e6d76ca80b4db9c8218befeb3b85bf8545cf8277c13324ea870133ecb52ec.exe
    "C:\Users\Admin\AppData\Local\Temp\af3e6d76ca80b4db9c8218befeb3b85bf8545cf8277c13324ea870133ecb52ec.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\n9284\s9284.exe
      "C:\Users\Admin\AppData\Local\Temp\n9284\s9284.exe" ins.exe /h ef64a6.api.socdn.com /e 13029947 /u 8765b7a1-1326-11e4-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\af3e6d76ca80b4db9c8218befeb3b85bf8545cf8277c13324ea870133ecb52ec.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1128

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9284\s9284.exe

    Filesize

    343KB

    MD5

    902701a61af886f3eeb1e6654f1b22b8

    SHA1

    e259ed942458578fb894addc655565fb665bc534

    SHA256

    d2141dda259b880e2b2484614f42cf1e29bbb04aa33729d374b804ea0d405d00

    SHA512

    ad1115168a6d2df9f5c0ea6633264085204fa63daa617b3e802c11ba82b65eb3f215953118fd37a3b7ae0d8be609948bd98800b2570c8f77505ac147182ec7e3

  • C:\Users\Admin\AppData\Local\Temp\n9284\s9284.exe

    Filesize

    343KB

    MD5

    902701a61af886f3eeb1e6654f1b22b8

    SHA1

    e259ed942458578fb894addc655565fb665bc534

    SHA256

    d2141dda259b880e2b2484614f42cf1e29bbb04aa33729d374b804ea0d405d00

    SHA512

    ad1115168a6d2df9f5c0ea6633264085204fa63daa617b3e802c11ba82b65eb3f215953118fd37a3b7ae0d8be609948bd98800b2570c8f77505ac147182ec7e3

  • \Users\Admin\AppData\Local\Temp\n9284\s9284.exe

    Filesize

    343KB

    MD5

    902701a61af886f3eeb1e6654f1b22b8

    SHA1

    e259ed942458578fb894addc655565fb665bc534

    SHA256

    d2141dda259b880e2b2484614f42cf1e29bbb04aa33729d374b804ea0d405d00

    SHA512

    ad1115168a6d2df9f5c0ea6633264085204fa63daa617b3e802c11ba82b65eb3f215953118fd37a3b7ae0d8be609948bd98800b2570c8f77505ac147182ec7e3

  • \Users\Admin\AppData\Local\Temp\n9284\s9284.exe

    Filesize

    343KB

    MD5

    902701a61af886f3eeb1e6654f1b22b8

    SHA1

    e259ed942458578fb894addc655565fb665bc534

    SHA256

    d2141dda259b880e2b2484614f42cf1e29bbb04aa33729d374b804ea0d405d00

    SHA512

    ad1115168a6d2df9f5c0ea6633264085204fa63daa617b3e802c11ba82b65eb3f215953118fd37a3b7ae0d8be609948bd98800b2570c8f77505ac147182ec7e3

  • \Users\Admin\AppData\Local\Temp\n9284\s9284.exe

    Filesize

    343KB

    MD5

    902701a61af886f3eeb1e6654f1b22b8

    SHA1

    e259ed942458578fb894addc655565fb665bc534

    SHA256

    d2141dda259b880e2b2484614f42cf1e29bbb04aa33729d374b804ea0d405d00

    SHA512

    ad1115168a6d2df9f5c0ea6633264085204fa63daa617b3e802c11ba82b65eb3f215953118fd37a3b7ae0d8be609948bd98800b2570c8f77505ac147182ec7e3

  • \Users\Admin\AppData\Local\Temp\n9284\s9284.exe

    Filesize

    343KB

    MD5

    902701a61af886f3eeb1e6654f1b22b8

    SHA1

    e259ed942458578fb894addc655565fb665bc534

    SHA256

    d2141dda259b880e2b2484614f42cf1e29bbb04aa33729d374b804ea0d405d00

    SHA512

    ad1115168a6d2df9f5c0ea6633264085204fa63daa617b3e802c11ba82b65eb3f215953118fd37a3b7ae0d8be609948bd98800b2570c8f77505ac147182ec7e3

  • memory/1128-59-0x0000000000000000-mapping.dmp

  • memory/1128-62-0x000007FEF3FC0000-0x000007FEF49E3000-memory.dmp

    Filesize

    10.1MB

  • memory/1128-63-0x000007FEF2F20000-0x000007FEF3FB6000-memory.dmp

    Filesize

    16.6MB

  • memory/1128-64-0x0000000000C16000-0x0000000000C35000-memory.dmp

    Filesize

    124KB

  • memory/1128-65-0x000007FEED560000-0x000007FEEE3EF000-memory.dmp

    Filesize

    14.6MB

  • memory/1128-66-0x000007FEF2440000-0x000007FEF272A000-memory.dmp

    Filesize

    2.9MB

  • memory/1128-67-0x0000000000C16000-0x0000000000C35000-memory.dmp

    Filesize

    124KB

  • memory/1464-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

    Filesize

    8KB