Analysis

  • max time kernel
    152s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-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 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEASb6916e92bc3a01c59eb34f0ec8e53b20948cd4dc26e84d06ae35f3ee2fa7cddaexeexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEASb6916e92bc3a01c59eb34f0ec8e53b20948cd4dc26e84d06ae35f3ee2fa7cddaexeexeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Windows\Temp\11.exe
      "C:\Windows\Temp\11.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2124
    • C:\Windows\Temp\22.exe
      "C:\Windows\Temp\22.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3864
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
          PID:4220

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    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

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

      443KB

      MD5

      e03c1b32b95300a2c3fa3068d6b5b00a

      SHA1

      d442245dbf345ba32b45aacf527d85e917558b4f

      SHA256

      cad1ed36723e6836807800c082c1c599cf9b99a97d792c44847a9f24df80ab48

      SHA512

      9dd7d1d67c020d631675f98a78687ec11aacdccc967ab0ed4a842a75a0470d3ce7c6c2c066d3b0d106afbe31689a3c858fe687dc960623a39e8a8c9381db71e1

    • memory/2124-29-0x0000000007760000-0x000000000786A000-memory.dmp
      Filesize

      1.0MB

    • memory/2124-34-0x0000000074800000-0x0000000074FB0000-memory.dmp
      Filesize

      7.7MB

    • memory/2124-23-0x0000000074800000-0x0000000074FB0000-memory.dmp
      Filesize

      7.7MB

    • memory/2124-24-0x0000000006F60000-0x0000000007504000-memory.dmp
      Filesize

      5.6MB

    • memory/2124-25-0x0000000004B30000-0x0000000004BC2000-memory.dmp
      Filesize

      584KB

    • memory/2124-26-0x00000000076E0000-0x00000000076F0000-memory.dmp
      Filesize

      64KB

    • memory/2124-27-0x00000000076B0000-0x00000000076BA000-memory.dmp
      Filesize

      40KB

    • memory/2124-28-0x0000000007AF0000-0x0000000008108000-memory.dmp
      Filesize

      6.1MB

    • memory/2124-19-0x0000000001F70000-0x0000000001FAE000-memory.dmp
      Filesize

      248KB

    • memory/2124-30-0x0000000007890000-0x00000000078A2000-memory.dmp
      Filesize

      72KB

    • memory/2124-31-0x00000000078B0000-0x00000000078EC000-memory.dmp
      Filesize

      240KB

    • memory/2124-32-0x0000000007920000-0x000000000796C000-memory.dmp
      Filesize

      304KB

    • memory/2124-33-0x0000000008210000-0x0000000008276000-memory.dmp
      Filesize

      408KB

    • memory/2124-18-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/2124-35-0x0000000008990000-0x00000000089E0000-memory.dmp
      Filesize

      320KB

    • memory/2124-36-0x00000000076E0000-0x00000000076F0000-memory.dmp
      Filesize

      64KB

    • memory/2124-37-0x00000000097E0000-0x00000000099A2000-memory.dmp
      Filesize

      1.8MB

    • memory/2124-38-0x00000000099B0000-0x0000000009EDC000-memory.dmp
      Filesize

      5.2MB

    • memory/2124-41-0x0000000074800000-0x0000000074FB0000-memory.dmp
      Filesize

      7.7MB

    • memory/4220-42-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/4220-43-0x0000000074420000-0x0000000074BD0000-memory.dmp
      Filesize

      7.7MB

    • memory/4220-44-0x00000000076C0000-0x00000000076D0000-memory.dmp
      Filesize

      64KB

    • memory/4220-45-0x0000000007750000-0x000000000779C000-memory.dmp
      Filesize

      304KB

    • memory/4220-46-0x0000000074420000-0x0000000074BD0000-memory.dmp
      Filesize

      7.7MB

    • memory/4220-47-0x00000000076C0000-0x00000000076D0000-memory.dmp
      Filesize

      64KB