Analysis

  • max time kernel
    127s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2023 18:42

General

  • Target

    NEAS.NEASNEASb6916e92bc3a01c59eb34f0ec8e53b20948cd4dc26e84d06ae35f3ee2fa7cddaexeexeexe_JC.exe

  • Size

    607KB

  • MD5

    27121df06efbeded912d9bded3279f67

  • SHA1

    bcf41ecaccd1a8540dfabe9d9442972dbfa5970b

  • SHA256

    b6916e92bc3a01c59eb34f0ec8e53b20948cd4dc26e84d06ae35f3ee2fa7cdda

  • SHA512

    b63f2f8a9bd83e379eaccdc3780977d98b876e540b5465852811d49429d7d46e04cd5eca3d56e94f752f945196709e82c1cba8f106a87c4f4d35a311e7788731

  • SSDEEP

    12288:JcrNS33L10QdrXZT+tcWnvlOAYnPQY5WEtuWcy1MERYs:0NA3R5drX/WvwpnPQY0x9uME6s

Malware Config

Extracted

Family

redline

Botnet

installs

C2

91.103.253.6:22884

Extracted

Family

redline

Botnet

123

C2

51.254.67.186:16176

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEASb6916e92bc3a01c59eb34f0ec8e53b20948cd4dc26e84d06ae35f3ee2fa7cddaexeexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEASb6916e92bc3a01c59eb34f0ec8e53b20948cd4dc26e84d06ae35f3ee2fa7cddaexeexeexe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\Temp\11.exe
      "C:\Windows\Temp\11.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340
    • C:\Windows\Temp\22.exe
      "C:\Windows\Temp\22.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
          PID:2328

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Temp\11.exe
      Filesize

      315KB

      MD5

      ed6ee89467d4c6937e08c6776577a95f

      SHA1

      7da71e4483f8139c497399b6f077d34caccafc07

      SHA256

      74b504ee23dce77143382c5aea693673971f0b77ebb6b620662b01331f39c7dc

      SHA512

      16e4f7d6c38563180403ebb8a3b958a1b32ac365d528ff465cff1ad96e2cb4083b8778336cb7c539d1333bfdbe7d1d49cc9536dad9d700d6c1a9a7906e92826c

    • C:\Windows\Temp\11.exe
      Filesize

      315KB

      MD5

      ed6ee89467d4c6937e08c6776577a95f

      SHA1

      7da71e4483f8139c497399b6f077d34caccafc07

      SHA256

      74b504ee23dce77143382c5aea693673971f0b77ebb6b620662b01331f39c7dc

      SHA512

      16e4f7d6c38563180403ebb8a3b958a1b32ac365d528ff465cff1ad96e2cb4083b8778336cb7c539d1333bfdbe7d1d49cc9536dad9d700d6c1a9a7906e92826c

    • C:\Windows\Temp\11.exe
      Filesize

      315KB

      MD5

      ed6ee89467d4c6937e08c6776577a95f

      SHA1

      7da71e4483f8139c497399b6f077d34caccafc07

      SHA256

      74b504ee23dce77143382c5aea693673971f0b77ebb6b620662b01331f39c7dc

      SHA512

      16e4f7d6c38563180403ebb8a3b958a1b32ac365d528ff465cff1ad96e2cb4083b8778336cb7c539d1333bfdbe7d1d49cc9536dad9d700d6c1a9a7906e92826c

    • C:\Windows\Temp\22.exe
      Filesize

      443KB

      MD5

      e03c1b32b95300a2c3fa3068d6b5b00a

      SHA1

      d442245dbf345ba32b45aacf527d85e917558b4f

      SHA256

      cad1ed36723e6836807800c082c1c599cf9b99a97d792c44847a9f24df80ab48

      SHA512

      9dd7d1d67c020d631675f98a78687ec11aacdccc967ab0ed4a842a75a0470d3ce7c6c2c066d3b0d106afbe31689a3c858fe687dc960623a39e8a8c9381db71e1

    • C:\Windows\Temp\22.exe
      Filesize

      443KB

      MD5

      e03c1b32b95300a2c3fa3068d6b5b00a

      SHA1

      d442245dbf345ba32b45aacf527d85e917558b4f

      SHA256

      cad1ed36723e6836807800c082c1c599cf9b99a97d792c44847a9f24df80ab48

      SHA512

      9dd7d1d67c020d631675f98a78687ec11aacdccc967ab0ed4a842a75a0470d3ce7c6c2c066d3b0d106afbe31689a3c858fe687dc960623a39e8a8c9381db71e1

    • \Windows\Temp\11.exe
      Filesize

      315KB

      MD5

      ed6ee89467d4c6937e08c6776577a95f

      SHA1

      7da71e4483f8139c497399b6f077d34caccafc07

      SHA256

      74b504ee23dce77143382c5aea693673971f0b77ebb6b620662b01331f39c7dc

      SHA512

      16e4f7d6c38563180403ebb8a3b958a1b32ac365d528ff465cff1ad96e2cb4083b8778336cb7c539d1333bfdbe7d1d49cc9536dad9d700d6c1a9a7906e92826c

    • \Windows\Temp\11.exe
      Filesize

      315KB

      MD5

      ed6ee89467d4c6937e08c6776577a95f

      SHA1

      7da71e4483f8139c497399b6f077d34caccafc07

      SHA256

      74b504ee23dce77143382c5aea693673971f0b77ebb6b620662b01331f39c7dc

      SHA512

      16e4f7d6c38563180403ebb8a3b958a1b32ac365d528ff465cff1ad96e2cb4083b8778336cb7c539d1333bfdbe7d1d49cc9536dad9d700d6c1a9a7906e92826c

    • \Windows\Temp\11.exe
      Filesize

      315KB

      MD5

      ed6ee89467d4c6937e08c6776577a95f

      SHA1

      7da71e4483f8139c497399b6f077d34caccafc07

      SHA256

      74b504ee23dce77143382c5aea693673971f0b77ebb6b620662b01331f39c7dc

      SHA512

      16e4f7d6c38563180403ebb8a3b958a1b32ac365d528ff465cff1ad96e2cb4083b8778336cb7c539d1333bfdbe7d1d49cc9536dad9d700d6c1a9a7906e92826c

    • \Windows\Temp\11.exe
      Filesize

      315KB

      MD5

      ed6ee89467d4c6937e08c6776577a95f

      SHA1

      7da71e4483f8139c497399b6f077d34caccafc07

      SHA256

      74b504ee23dce77143382c5aea693673971f0b77ebb6b620662b01331f39c7dc

      SHA512

      16e4f7d6c38563180403ebb8a3b958a1b32ac365d528ff465cff1ad96e2cb4083b8778336cb7c539d1333bfdbe7d1d49cc9536dad9d700d6c1a9a7906e92826c

    • \Windows\Temp\22.exe
      Filesize

      443KB

      MD5

      e03c1b32b95300a2c3fa3068d6b5b00a

      SHA1

      d442245dbf345ba32b45aacf527d85e917558b4f

      SHA256

      cad1ed36723e6836807800c082c1c599cf9b99a97d792c44847a9f24df80ab48

      SHA512

      9dd7d1d67c020d631675f98a78687ec11aacdccc967ab0ed4a842a75a0470d3ce7c6c2c066d3b0d106afbe31689a3c858fe687dc960623a39e8a8c9381db71e1

    • \Windows\Temp\22.exe
      Filesize

      443KB

      MD5

      e03c1b32b95300a2c3fa3068d6b5b00a

      SHA1

      d442245dbf345ba32b45aacf527d85e917558b4f

      SHA256

      cad1ed36723e6836807800c082c1c599cf9b99a97d792c44847a9f24df80ab48

      SHA512

      9dd7d1d67c020d631675f98a78687ec11aacdccc967ab0ed4a842a75a0470d3ce7c6c2c066d3b0d106afbe31689a3c858fe687dc960623a39e8a8c9381db71e1

    • \Windows\Temp\22.exe
      Filesize

      443KB

      MD5

      e03c1b32b95300a2c3fa3068d6b5b00a

      SHA1

      d442245dbf345ba32b45aacf527d85e917558b4f

      SHA256

      cad1ed36723e6836807800c082c1c599cf9b99a97d792c44847a9f24df80ab48

      SHA512

      9dd7d1d67c020d631675f98a78687ec11aacdccc967ab0ed4a842a75a0470d3ce7c6c2c066d3b0d106afbe31689a3c858fe687dc960623a39e8a8c9381db71e1

    • \Windows\Temp\22.exe
      Filesize

      443KB

      MD5

      e03c1b32b95300a2c3fa3068d6b5b00a

      SHA1

      d442245dbf345ba32b45aacf527d85e917558b4f

      SHA256

      cad1ed36723e6836807800c082c1c599cf9b99a97d792c44847a9f24df80ab48

      SHA512

      9dd7d1d67c020d631675f98a78687ec11aacdccc967ab0ed4a842a75a0470d3ce7c6c2c066d3b0d106afbe31689a3c858fe687dc960623a39e8a8c9381db71e1

    • memory/2328-51-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/2328-53-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/2328-59-0x00000000072D0000-0x0000000007310000-memory.dmp
      Filesize

      256KB

    • memory/2328-58-0x0000000074410000-0x0000000074AFE000-memory.dmp
      Filesize

      6.9MB

    • memory/2328-57-0x00000000072D0000-0x0000000007310000-memory.dmp
      Filesize

      256KB

    • memory/2328-56-0x0000000074410000-0x0000000074AFE000-memory.dmp
      Filesize

      6.9MB

    • memory/2328-55-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/2328-44-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/2328-46-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/2328-48-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/2328-49-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/2328-50-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
      Filesize

      4KB

    • memory/2340-33-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/2340-37-0x0000000074B00000-0x00000000751EE000-memory.dmp
      Filesize

      6.9MB

    • memory/2340-43-0x0000000074B00000-0x00000000751EE000-memory.dmp
      Filesize

      6.9MB

    • memory/2340-41-0x0000000007250000-0x0000000007290000-memory.dmp
      Filesize

      256KB

    • memory/2340-40-0x0000000074B00000-0x00000000751EE000-memory.dmp
      Filesize

      6.9MB

    • memory/2340-39-0x0000000007250000-0x0000000007290000-memory.dmp
      Filesize

      256KB

    • memory/2340-32-0x0000000000230000-0x000000000026E000-memory.dmp
      Filesize

      248KB