Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2023, 07:28

General

  • Target
    83b4438508a3f84c7606266a81a3e079.exe
  • Size 651KB
  • Sample230907-janmcafd72
  • SHA256 c07e47bde15ca1a9c186751db362acd62979d421f39eee1d579b558efe932eb5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • mrak

C2
  • 77.91.124.82:19071

Attributes
  • auth_value

    7d9a335ab5dfd42d374867c96fe25302

Signatures

  • Detects Healer an antivirus disabler dropper 4 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 9 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83b4438508a3f84c7606266a81a3e079.exe
    "C:\Users\Admin\AppData\Local\Temp\83b4438508a3f84c7606266a81a3e079.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0881110.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0881110.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z0265365.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z0265365.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2612
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3029295.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3029295.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2752
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\q4975734.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\q4975734.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2300
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s4665484.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s4665484.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:1864

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        z0881110.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0881110.exe
        • Size 554KB
        • SHA256 1817c00eae11805bf8be908d55812da1f8e27b5603c7a2ecc33dd7965680e577
        • MD5 SHA1 SHA512 SSDEEP

        z0881110.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0881110.exe
        • Size 554KB
        • SHA256 1817c00eae11805bf8be908d55812da1f8e27b5603c7a2ecc33dd7965680e577
        • MD5 SHA1 SHA512 SSDEEP

        z0265365.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z0265365.exe
        • Size 388KB
        • SHA256 10f63289548cd836092ea8252096f2e463daeea071490aade8de239390c9afc1
        • MD5 SHA1 SHA512 SSDEEP

        z0265365.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z0265365.exe
        • Size 388KB
        • SHA256 10f63289548cd836092ea8252096f2e463daeea071490aade8de239390c9afc1
        • MD5 SHA1 SHA512 SSDEEP

        z3029295.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3029295.exe
        • Size 206KB
        • SHA256 81ebcbc20e6015a1135ca9db2789b07b97d5fa09c1459b201f85d654ebf4d31e
        • MD5 SHA1 SHA512 SSDEEP

        z3029295.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3029295.exe
        • Size 206KB
        • SHA256 81ebcbc20e6015a1135ca9db2789b07b97d5fa09c1459b201f85d654ebf4d31e
        • MD5 SHA1 SHA512 SSDEEP

        q4975734.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\q4975734.exe
        • Size 12KB
        • SHA256 cb760204ca5099235015584495d1d45f58957e6aeb919e3b05ba7d5a07c05402
        • MD5 SHA1 SHA512 SSDEEP

        q4975734.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\q4975734.exe
        • Size 12KB
        • SHA256 cb760204ca5099235015584495d1d45f58957e6aeb919e3b05ba7d5a07c05402
        • MD5 SHA1 SHA512 SSDEEP

        s4665484.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s4665484.exe
        • Size 176KB
        • SHA256 03fd0d84a66ddd3bb18a4b3535f90c0444d1be85f7f0faf5606661236ea55525
        • MD5 SHA1 SHA512 SSDEEP

        s4665484.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s4665484.exe
        • Size 176KB
        • SHA256 03fd0d84a66ddd3bb18a4b3535f90c0444d1be85f7f0faf5606661236ea55525
        • MD5 SHA1 SHA512 SSDEEP

        z0881110.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP000.TMP\z0881110.exe
        • Size 554KB
        • SHA256 1817c00eae11805bf8be908d55812da1f8e27b5603c7a2ecc33dd7965680e577
        • MD5 SHA1 SHA512 SSDEEP

        z0881110.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP000.TMP\z0881110.exe
        • Size 554KB
        • SHA256 1817c00eae11805bf8be908d55812da1f8e27b5603c7a2ecc33dd7965680e577
        • MD5 SHA1 SHA512 SSDEEP

        z0265365.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP001.TMP\z0265365.exe
        • Size 388KB
        • SHA256 10f63289548cd836092ea8252096f2e463daeea071490aade8de239390c9afc1
        • MD5 SHA1 SHA512 SSDEEP

        z0265365.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP001.TMP\z0265365.exe
        • Size 388KB
        • SHA256 10f63289548cd836092ea8252096f2e463daeea071490aade8de239390c9afc1
        • MD5 SHA1 SHA512 SSDEEP

        z3029295.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP002.TMP\z3029295.exe
        • Size 206KB
        • SHA256 81ebcbc20e6015a1135ca9db2789b07b97d5fa09c1459b201f85d654ebf4d31e
        • MD5 SHA1 SHA512 SSDEEP

        z3029295.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP002.TMP\z3029295.exe
        • Size 206KB
        • SHA256 81ebcbc20e6015a1135ca9db2789b07b97d5fa09c1459b201f85d654ebf4d31e
        • MD5 SHA1 SHA512 SSDEEP

        q4975734.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP003.TMP\q4975734.exe
        • Size 12KB
        • SHA256 cb760204ca5099235015584495d1d45f58957e6aeb919e3b05ba7d5a07c05402
        • MD5 SHA1 SHA512 SSDEEP

        s4665484.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP003.TMP\s4665484.exe
        • Size 176KB
        • SHA256 03fd0d84a66ddd3bb18a4b3535f90c0444d1be85f7f0faf5606661236ea55525
        • MD5 SHA1 SHA512 SSDEEP

        s4665484.exe

        • Path \Users\Admin\AppData\Local\Temp\IXP003.TMP\s4665484.exe
        • Size 176KB
        • SHA256 03fd0d84a66ddd3bb18a4b3535f90c0444d1be85f7f0faf5606661236ea55525
        • MD5 SHA1 SHA512 SSDEEP

        memory/1864-48-0x0000000000F70000-0x0000000000FA0000-memory.dmp

        memory/1864-49-0x00000000004B0000-0x00000000004B6000-memory.dmp

        memory/2300-40-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

        memory/2300-41-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

        memory/2300-39-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

        memory/2300-38-0x0000000000BC0000-0x0000000000BCA000-memory.dmp