Analysis

  • max time kernel
    30s
  • max time network
    182s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    01-07-2021 14:14

General

  • Target

    70298c1bfc6b8e07c0600f9264712211bcc7b57b28853d8143f249639cdf6569.exe

  • Size

    487KB

  • MD5

    dd15c9f2669bce96098b3f7fa791c87d

  • SHA1

    51d4122fa2c6ba1fea93845b28f5f872fe64d394

  • SHA256

    70298c1bfc6b8e07c0600f9264712211bcc7b57b28853d8143f249639cdf6569

  • SHA512

    f26aa6c7375af8fee7d6508dec9d8505f82fdab424bc76fbc6a02919101ccbde059b73d1c4ae1e49f2e252b6f07c4091882674a5cfb039988a68d8f638c8cb23

Score
10/10

Malware Config

Signatures

  • GoldDragon

    GoldDragon is a second-stage backdoor attributed to Kimsuky.

  • Enumerates physical storage devices 1 TTPs

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

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70298c1bfc6b8e07c0600f9264712211bcc7b57b28853d8143f249639cdf6569.exe
    "C:\Users\Admin\AppData\Local\Temp\70298c1bfc6b8e07c0600f9264712211bcc7b57b28853d8143f249639cdf6569.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c dir C:\Users\Admin\Desktop\ >> C:\Users\Admin\AppData\Roaming\MICROS~1\HNC\asd.docx
      2⤵
        PID:1908
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c dir C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\Recent\ >> C:\Users\Admin\AppData\Roaming\MICROS~1\HNC\asd.docx
        2⤵
          PID:2032
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c dir C:\PROGRA~2\ >> C:\Users\Admin\AppData\Roaming\MICROS~1\HNC\asd.docx
          2⤵
            PID:1292
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c systeminfo >> C:\Users\Admin\AppData\Roaming\MICROS~1\HNC\asd.docx
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1784
            • C:\Windows\SysWOW64\systeminfo.exe
              systeminfo
              3⤵
              • Gathers system information
              PID:1060

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\MICROS~1\HNC\asd.docx

          MD5

          c20cff16d4d6d92395427c1b6644ada0

          SHA1

          96973c34d87ff0e4c0c38929c6241bafcd27b080

          SHA256

          40e11799265b79540139b935e0aa4d6336ece4fb48f5bdb604c7bec9cc26630b

          SHA512

          5d0d3d2a2708c6612618d9cc81e8fb04230af7d415881660caab784f7e703a24ddbc11e38a14db1f31b96239b99b96e58d9042276452ccc5965faa66810a0884

        • C:\Users\Admin\AppData\Roaming\MICROS~1\HNC\asd.docx

          MD5

          52f085cd779c06ed67d7bcad1115af8d

          SHA1

          59f951d16f8085574cf17015a5fa43082203d055

          SHA256

          af742524111ae7207ef3449c47e43d0955af20455d3f8f5afc3e3f24d5249107

          SHA512

          aca40144015059fbe6c8081cfe368adb8c7818f558f19480c61c9d062dbd5bc1770828affc00c92049f83d1cb1733d6f7815733a54466c0fe648562da4ab1da1

        • C:\Users\Admin\AppData\Roaming\MICROS~1\HNC\asd.docx

          MD5

          52f085cd779c06ed67d7bcad1115af8d

          SHA1

          59f951d16f8085574cf17015a5fa43082203d055

          SHA256

          af742524111ae7207ef3449c47e43d0955af20455d3f8f5afc3e3f24d5249107

          SHA512

          aca40144015059fbe6c8081cfe368adb8c7818f558f19480c61c9d062dbd5bc1770828affc00c92049f83d1cb1733d6f7815733a54466c0fe648562da4ab1da1

        • C:\Users\Admin\AppData\Roaming\MICROS~1\HNC\asd.docx

          MD5

          cd91289c21261ce818929fbc9592f970

          SHA1

          2768eab6942277a7b23f0a6189b259850e2dd902

          SHA256

          f8eec4ffeed9b4e8505c0ab454e4d23c862650d5ad93b4b13bf749a2a8c79aaa

          SHA512

          9fba3568a1eed076680bc9ed82d0b16f4f26f430ddb44350ecacccba8d3b3ce4baecf59708192d8606fa97fb06cc54ff2a0be274b5020554a3117d0443fd6327

        • memory/1060-68-0x0000000000000000-mapping.dmp

        • memory/1292-64-0x0000000000000000-mapping.dmp

        • memory/1644-60-0x0000000075041000-0x0000000075043000-memory.dmp

          Filesize

          8KB

        • memory/1784-66-0x0000000000000000-mapping.dmp

        • memory/1908-61-0x0000000000000000-mapping.dmp

        • memory/2032-62-0x0000000000000000-mapping.dmp