Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    26-09-2021 17:06

General

  • Target

    d103bc56f99481a96ab75ccdda306779.exe

  • Size

    668KB

  • MD5

    d103bc56f99481a96ab75ccdda306779

  • SHA1

    f8f2b50dc6856df0cb04621d1304eddbbf83b200

  • SHA256

    2ce8d973cfa6136067a71b1c0377b99bcef1fcc7e56eb9a0fbc89d6e188954a0

  • SHA512

    25a1effe96a83354e58b0d53c0f003d06d7ea49c1833c6bc26c534266a180e8d167db4e00238df0c97da6a0639b3ab300b162ad6a6e7039756ea0c67ba314924

Malware Config

Extracted

Family

redline

Botnet

maliao

C2

185.118.165.93:4476

Signatures

  • RedLine

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

  • RedLine Payload 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d103bc56f99481a96ab75ccdda306779.exe
    "C:\Users\Admin\AppData\Local\Temp\d103bc56f99481a96ab75ccdda306779.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\d103bc56f99481a96ab75ccdda306779.exe
      "C:\Users\Admin\AppData\Local\Temp\d103bc56f99481a96ab75ccdda306779.exe"
      2⤵
        PID:1700
      • C:\Users\Admin\AppData\Local\Temp\d103bc56f99481a96ab75ccdda306779.exe
        "C:\Users\Admin\AppData\Local\Temp\d103bc56f99481a96ab75ccdda306779.exe"
        2⤵
          PID:1664
        • C:\Users\Admin\AppData\Local\Temp\d103bc56f99481a96ab75ccdda306779.exe
          "C:\Users\Admin\AppData\Local\Temp\d103bc56f99481a96ab75ccdda306779.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1648
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 612
          2⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1212

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1212-61-0x0000000000000000-mapping.dmp

      • memory/1212-63-0x0000000000280000-0x0000000000281000-memory.dmp

        Filesize

        4KB

      • memory/1268-53-0x0000000000340000-0x0000000000341000-memory.dmp

        Filesize

        4KB

      • memory/1268-54-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1268-55-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

        Filesize

        4KB

      • memory/1268-58-0x0000000000480000-0x0000000000483000-memory.dmp

        Filesize

        12KB

      • memory/1648-56-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/1648-57-0x000000000041C5E2-mapping.dmp

      • memory/1648-59-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/1648-62-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

        Filesize

        4KB