Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 21:00

General

  • Target

    SecuriteInfo.com.Crypt9.KSH.23004.12082.exe

  • Size

    500KB

  • MD5

    4849ab316b3dcde68a2a23c22dee2d98

  • SHA1

    48827786029e0575687ee5f0707f7ebfc4ca2515

  • SHA256

    428558fcf4133715cf08d2fdf904b35f3c5e47dadbb5128b43785648688abfa1

  • SHA512

    002c83033bb390c55e4b28d75eda1c4c0793d83ac8cd5af81b421ea688d4d55f3828ec37fd7c4bece762c78ac301891775dd7f8be2690ea88b7f6b62ad1ed888

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious use of WriteProcessMemory 887 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Crypt9.KSH.23004.12082.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Crypt9.KSH.23004.12082.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Roaming\winapp\TfdurjtfIngo.com.Crypt9.KSH.23004.12082.exe
      C:\Users\Admin\AppData\Roaming\winapp\TfdurjtfIngo.com.Crypt9.KSH.23004.12082.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2440
      • C:\Windows\SYSTEM32\svchost.exe
        svchost.exe
        3⤵
          PID:184
    • C:\Users\Admin\AppData\Roaming\winapp\TfdurjtfIngo.com.Crypt9.KSH.23004.12082.exe
      C:\Users\Admin\AppData\Roaming\winapp\TfdurjtfIngo.com.Crypt9.KSH.23004.12082.exe
      1⤵
      • Executes dropped EXE
      PID:1996
      • C:\Windows\system32\svchost.exe
        svchost.exe
        2⤵
        • Modifies data under HKEY_USERS
        PID:2220

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\winapp\TfdurjtfIngo.com.Crypt9.KSH.23004.12082.exe

      MD5

      4849ab316b3dcde68a2a23c22dee2d98

      SHA1

      48827786029e0575687ee5f0707f7ebfc4ca2515

      SHA256

      428558fcf4133715cf08d2fdf904b35f3c5e47dadbb5128b43785648688abfa1

      SHA512

      002c83033bb390c55e4b28d75eda1c4c0793d83ac8cd5af81b421ea688d4d55f3828ec37fd7c4bece762c78ac301891775dd7f8be2690ea88b7f6b62ad1ed888

    • C:\Users\Admin\AppData\Roaming\winapp\TfdurjtfIngo.com.Crypt9.KSH.23004.12082.exe

      MD5

      4849ab316b3dcde68a2a23c22dee2d98

      SHA1

      48827786029e0575687ee5f0707f7ebfc4ca2515

      SHA256

      428558fcf4133715cf08d2fdf904b35f3c5e47dadbb5128b43785648688abfa1

      SHA512

      002c83033bb390c55e4b28d75eda1c4c0793d83ac8cd5af81b421ea688d4d55f3828ec37fd7c4bece762c78ac301891775dd7f8be2690ea88b7f6b62ad1ed888

    • C:\Users\Admin\AppData\Roaming\winapp\TfdurjtfIngo.com.Crypt9.KSH.23004.12082.exe

      MD5

      4849ab316b3dcde68a2a23c22dee2d98

      SHA1

      48827786029e0575687ee5f0707f7ebfc4ca2515

      SHA256

      428558fcf4133715cf08d2fdf904b35f3c5e47dadbb5128b43785648688abfa1

      SHA512

      002c83033bb390c55e4b28d75eda1c4c0793d83ac8cd5af81b421ea688d4d55f3828ec37fd7c4bece762c78ac301891775dd7f8be2690ea88b7f6b62ad1ed888

    • memory/184-5-0x0000000000000000-mapping.dmp

    • memory/184-6-0x0000000140000000-0x0000000140025000-memory.dmp

      Filesize

      148KB

    • memory/640-0-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2220-9-0x0000000000000000-mapping.dmp

    • memory/2440-1-0x0000000000000000-mapping.dmp