Analysis

  • max time kernel
    29s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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.

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70298c1bfc6b8e07c0600f9264712211bcc7b57b28853d8143f249639cdf6569.exe
    "C:\Users\Admin\AppData\Local\Temp\70298c1bfc6b8e07c0600f9264712211bcc7b57b28853d8143f249639cdf6569.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:776
    • 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:2260
      • 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:1336
        • 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:2480
          • 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:2296
            • C:\Windows\SysWOW64\systeminfo.exe
              systeminfo
              3⤵
              • Gathers system information
              PID:408
        • C:\Windows\system32\OpenWith.exe
          C:\Windows\system32\OpenWith.exe -Embedding
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:196

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          MD5

          58d23ca3666907a37cbf4357f375d1fb

          SHA1

          fa7c632ffd80bb0043e615182886b4906e48368b

          SHA256

          824f454186c273407cca7408f12a5c76802c82228f4a7771f711672aac29cf67

          SHA512

          df3174b379ff4411a9c5908b9bce08c7a9673e8f675fa204b234f03115318f3d48bcb990020938642666356e68b38e821200b2d98b44abd88ca06d8a90614602

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

          MD5

          860d8bea30c4f4429ea0b8b41994bb85

          SHA1

          54e65298d60520dd9907ee54ac15360f0c2ac223

          SHA256

          97d77d739340451ba8dcd648aeda62e17d9ce28c1464a3bbde1cf830e7754732

          SHA512

          0e91099775898847414efb167c7bbe0dc5313756d4d9eaf1ea216b07d6ddf03d87f2b9041eeb9f0b70a80f4572c0e779bfb3c31579cb248080cff8c1142855b8

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

          MD5

          860d8bea30c4f4429ea0b8b41994bb85

          SHA1

          54e65298d60520dd9907ee54ac15360f0c2ac223

          SHA256

          97d77d739340451ba8dcd648aeda62e17d9ce28c1464a3bbde1cf830e7754732

          SHA512

          0e91099775898847414efb167c7bbe0dc5313756d4d9eaf1ea216b07d6ddf03d87f2b9041eeb9f0b70a80f4572c0e779bfb3c31579cb248080cff8c1142855b8

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

          MD5

          f5394c43998b6bb0cb79dd840a2a1beb

          SHA1

          0fa358e8a28e3585feaee0efb4c8936ba15e5998

          SHA256

          205c1cbd6ad6f5b7b388ec8aaf7293727fbeedba069b4ebef312aa1c993ade2b

          SHA512

          057cd0b23620a36676a45d28e5b78812146e2fbdfa6a4ee7cd6404a74ead52ba0a53eb2576cc7587ac0e3035eea4cb954230fa7be4f94004239ba855c1854cc1

        • memory/408-121-0x0000000000000000-mapping.dmp

        • memory/1336-115-0x0000000000000000-mapping.dmp

        • memory/2260-114-0x0000000000000000-mapping.dmp

        • memory/2296-119-0x0000000000000000-mapping.dmp

        • memory/2480-117-0x0000000000000000-mapping.dmp