Analysis

  • max time kernel
    245s
  • max time network
    240s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-06-2022 03:26

General

  • Target

    672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009.exe

  • Size

    1.1MB

  • MD5

    c3f533c47a2f995cd4b5d16653698609

  • SHA1

    223cfb523ff8b64b339a34db3808dc6a386752a4

  • SHA256

    672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009

  • SHA512

    6f6635c7864f675f0f9dfe315c5a7aeef93da7ca91b6016eed8506b7e1c809de8031f9659f87339f58e807a6d59b83214896af5ba71659b0b9e50511a1c91761

Malware Config

Extracted

Family

recordbreaker

C2

http://192.248.184.34/

http://140.82.52.55/

Extracted

Family

arkei

Botnet

Default

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Raccoon ver2 1 IoCs

    Raccoon ver2.

  • RecordBreaker

    RecordBreaker is an information stealer capable of downloading and executing secondary payloads written in C++.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 10 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009.exe
    "C:\Users\Admin\AppData\Local\Temp\672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe
      "C:\Users\Admin\AppData\Local\Temp\dhgerme.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe
        "C:\Users\Admin\AppData\Local\Temp\dhgerme.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 712
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1648
    • C:\Users\Admin\AppData\Local\Temp\672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009.exe
      "C:\Users\Admin\AppData\Local\Temp\672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009.exe"
      2⤵
        PID:1532

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • \Users\Admin\AppData\Local\Temp\dhgerme.exe
      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • memory/1228-74-0x0000000000400000-0x000000000043D000-memory.dmp
      Filesize

      244KB

    • memory/1228-69-0x000000000043C0B2-mapping.dmp
    • memory/1228-71-0x0000000000400000-0x000000000043D000-memory.dmp
      Filesize

      244KB

    • memory/1512-56-0x0000000076421000-0x0000000076423000-memory.dmp
      Filesize

      8KB

    • memory/1512-66-0x0000000001F10000-0x0000000001F17000-memory.dmp
      Filesize

      28KB

    • memory/1532-72-0x0000000000400000-0x0000000000412000-memory.dmp
      Filesize

      72KB

    • memory/1532-64-0x0000000000407486-mapping.dmp
    • memory/1648-75-0x0000000000000000-mapping.dmp
    • memory/1980-59-0x0000000000000000-mapping.dmp