Analysis

  • max time kernel
    146s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    04/10/2021, 06:06

General

  • Target
    5fbbf8d74c8a2b3f6aabf4a95c1b68d9b5ce182ebd19c.exe
  • Size 440KB
  • Sample211004-gtspasfhb5
  • SHA256 5fbbf8d74c8a2b3f6aabf4a95c1b68d9b5ce182ebd19c1f3c8eed44fdddc72c1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

C2
  • 195.2.93.217:59309

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.

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5fbbf8d74c8a2b3f6aabf4a95c1b68d9b5ce182ebd19c.exe
    "C:\Users\Admin\AppData\Local\Temp\5fbbf8d74c8a2b3f6aabf4a95c1b68d9b5ce182ebd19c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\5fbbf8d74c8a2b3f6aabf4a95c1b68d9b5ce182ebd19c.exe
      "C:\Users\Admin\AppData\Local\Temp\5fbbf8d74c8a2b3f6aabf4a95c1b68d9b5ce182ebd19c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:384
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 808 -s 888
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1476

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/384-126-0x0000000004E60000-0x0000000004E61000-memory.dmp

        memory/384-127-0x0000000004D90000-0x0000000004D91000-memory.dmp

        memory/384-137-0x00000000089D0000-0x00000000089D1000-memory.dmp

        memory/384-136-0x00000000073D0000-0x00000000073D1000-memory.dmp

        memory/384-135-0x00000000051F0000-0x00000000051F1000-memory.dmp

        memory/384-119-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/384-133-0x0000000006A90000-0x0000000006A91000-memory.dmp

        memory/384-124-0x00000000052D0000-0x00000000052D1000-memory.dmp

        memory/384-125-0x0000000004D30000-0x0000000004D31000-memory.dmp

        memory/384-132-0x0000000006970000-0x0000000006971000-memory.dmp

        memory/384-128-0x0000000004CC0000-0x00000000052C6000-memory.dmp

        memory/384-131-0x0000000006EA0000-0x0000000006EA1000-memory.dmp

        memory/384-129-0x0000000004E10000-0x0000000004E11000-memory.dmp

        memory/384-130-0x00000000067A0000-0x00000000067A1000-memory.dmp

        memory/808-114-0x00000000006B0000-0x00000000006B1000-memory.dmp

        memory/808-115-0x0000000002A00000-0x0000000002A18000-memory.dmp

        memory/808-121-0x0000000004F80000-0x0000000004F83000-memory.dmp

        memory/808-118-0x0000000002A40000-0x0000000002A41000-memory.dmp

        memory/808-117-0x0000000005590000-0x0000000005591000-memory.dmp

        memory/808-116-0x0000000004FF0000-0x0000000004FF1000-memory.dmp