Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/09/2024, 01:01

General

  • Target
    0b6cd2b1e18193ba33edbd6a3fc464a6e302f0da7f881dd48aedbf6ba993aa32.exe
  • Size 312KB
  • Sample240910-bdke4a1cph
  • SHA256 0b6cd2b1e18193ba33edbd6a3fc464a6e302f0da7f881dd48aedbf6ba993aa32
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (TG: @logsdillabot)

C2
  • 45.91.202.63:25415

Signatures

  • RedLine

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

  • RedLine payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b6cd2b1e18193ba33edbd6a3fc464a6e302f0da7f881dd48aedbf6ba993aa32.exe
    "C:\Users\Admin\AppData\Local\Temp\0b6cd2b1e18193ba33edbd6a3fc464a6e302f0da7f881dd48aedbf6ba993aa32.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1628
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2500
        • C:\Users\Admin\AppData\Local\Temp\filename.exe
          "C:\Users\Admin\AppData\Local\Temp\filename.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:692
          • C:\ProgramData\Path\Path.exe
            "C:\ProgramData\Path\Path.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: AddClipboardFormatListener
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2152
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks.exe" /create /tn Path /tr "C:\ProgramData\Path\Path.exe" /st 01:04 /du 23:59 /sc daily /ri 1 /f
              5⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:1148
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpA5E0.tmp.cmd""
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1472
            • C:\Windows\SysWOW64\timeout.exe
              timeout 6
              5⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:560
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {7B6C5708-A852-4722-8880-107A9D6B9AAF} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\ProgramData\Path\Path.exe
        C:\ProgramData\Path\Path.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2368

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          TmpA97A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\TmpA97A.tmp
          • Size 2KB
          • SHA256 f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9
          • MD5 SHA1 SHA512

          tmpA5E0.tmp.cmd

          • Path C:\Users\Admin\AppData\Local\Temp\tmpA5E0.tmp.cmd
          • Size 160B
          • SHA256 7f1670d70192663ad3d85d38fd2cd476f3950611fe49ebb76c2321d4ac467bdc
          • MD5 SHA1 SHA512

          filename.exe

          • Path \Users\Admin\AppData\Local\Temp\filename.exe
          • Size 426KB
          • SHA256 b867d368d4597334a036b46816473be270d6779db2428aae75053af8cacf1e85
          • MD5 SHA1 SHA512 SSDEEP

          memory/692-41-0x0000000001130000-0x00000000011A0000-memory.dmp

          memory/1976-1-0x00000000013A0000-0x00000000013F4000-memory.dmp

          memory/1976-18-0x0000000074110000-0x00000000747FE000-memory.dmp

          memory/1976-0-0x000000007411E000-0x000000007411F000-memory.dmp

          memory/2152-58-0x0000000000240000-0x00000000002B0000-memory.dmp

          memory/2500-17-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/2500-5-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/2500-3-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/2500-9-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/2500-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          memory/2500-13-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/2500-15-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/2500-7-0x0000000000400000-0x0000000000452000-memory.dmp