Analysis

  • max time kernel
    139s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-02-2024 08:09

General

  • Target

    tmp.exe

  • Size

    1.6MB

  • MD5

    8c281571c5fdaf40aa847d90e5a81075

  • SHA1

    041fa6e79e9027350c1f241375687de7f8cba367

  • SHA256

    0182e73c39240c0e660bbdd4262209f08d767562d4794b7ed5e36a4d4f36b409

  • SHA512

    b0e481681b02e4cc4f95deff2fa21354f94ad34e6611d97de3a127ae285038164df724f3db27bbf03caa217c3d8dabf77bfdadeaf9af8a1915edacbd35c1c862

  • SSDEEP

    24576:+oTMZJmDclvSgPUbKzCT7x31NeeVQjeXCNvVrZb1muw7aYDBE86:gZE4lvqKu7x32eVQiXI5Xmj7te

Malware Config

Extracted

Family

redline

Botnet

@logscloudyt_bot

C2

185.172.128.33:8924

Signatures

  • RedLine

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

  • RedLine payload 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4028
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2196
        • C:\Users\Admin\AppData\Roaming\configurationValue\bott.exe
          "C:\Users\Admin\AppData\Roaming\configurationValue\bott.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2808
        • C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe
          "C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe"
          3⤵
          • Checks computer location settings
          • Drops startup file
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2896
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
            4⤵
            • Executes dropped EXE
            PID:3128
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "RegAsm.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:468
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
              PID:3088

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe

        Filesize

        4KB

        MD5

        a5ce3aba68bdb438e98b1d0c70a3d95c

        SHA1

        013f5aa9057bf0b3c0c24824de9d075434501354

        SHA256

        9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a

        SHA512

        7446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79

      • C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe

        Filesize

        570KB

        MD5

        ea037914e6f1aa6a8ad565407158d49b

        SHA1

        5fbbd923c0bbcf33fafca5a0ed847c19478856e5

        SHA256

        9deee2315490381305b70eeaff5805df00d10feb9d9f78fbce33b3cd5795ed73

        SHA512

        369943b3ac01a8c89c7d163391e60c2a4f9f616ade5161df8a67e75c490ff4a70b37d4b617675518c924d2fbc07605a37d4f76166da9becefcb4bd5052a69e55

      • C:\Users\Admin\AppData\Roaming\configurationValue\bott.exe

        Filesize

        313KB

        MD5

        753db7d6804f9f27aaf30fe62c00a011

        SHA1

        4c29fef91e4a099c08b90c0aa9f0397fba36d452

        SHA256

        8f09598518b4d2a084e1fe1068c43027fe9e6caed74de0926bdac110a305ac2c

        SHA512

        7ff04ef374e8a97b58f110dbf3451493c2e2644fce3935a6d4107074819d9547ea861c06a2ed24b5d459f41784bcc0be107c920e78310332ca50f3143b7ac830

      • memory/2196-71-0x0000000074E00000-0x00000000755B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2196-5-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/2196-10-0x0000000074E00000-0x00000000755B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2196-11-0x0000000005770000-0x0000000005780000-memory.dmp

        Filesize

        64KB

      • memory/2808-41-0x0000000005B00000-0x0000000005B10000-memory.dmp

        Filesize

        64KB

      • memory/2808-38-0x0000000005ED0000-0x0000000006474000-memory.dmp

        Filesize

        5.6MB

      • memory/2808-70-0x0000000074E00000-0x00000000755B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2808-44-0x00000000034C0000-0x00000000034CA000-memory.dmp

        Filesize

        40KB

      • memory/2808-36-0x0000000000FE0000-0x0000000001034000-memory.dmp

        Filesize

        336KB

      • memory/2808-35-0x0000000074E00000-0x00000000755B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2808-39-0x0000000005920000-0x00000000059B2000-memory.dmp

        Filesize

        584KB

      • memory/2896-46-0x0000000004AD0000-0x0000000004B0C000-memory.dmp

        Filesize

        240KB

      • memory/2896-49-0x0000000005A50000-0x0000000005AC6000-memory.dmp

        Filesize

        472KB

      • memory/2896-40-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

        Filesize

        64KB

      • memory/2896-67-0x0000000074E00000-0x00000000755B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2896-42-0x00000000050F0000-0x0000000005708000-memory.dmp

        Filesize

        6.1MB

      • memory/2896-34-0x0000000000130000-0x00000000001C4000-memory.dmp

        Filesize

        592KB

      • memory/2896-45-0x0000000004BE0000-0x0000000004CEA000-memory.dmp

        Filesize

        1.0MB

      • memory/2896-43-0x0000000004A40000-0x0000000004A52000-memory.dmp

        Filesize

        72KB

      • memory/2896-53-0x00000000078E0000-0x0000000007E0C000-memory.dmp

        Filesize

        5.2MB

      • memory/2896-47-0x0000000004B10000-0x0000000004B5C000-memory.dmp

        Filesize

        304KB

      • memory/2896-48-0x0000000004ED0000-0x0000000004F36000-memory.dmp

        Filesize

        408KB

      • memory/2896-37-0x0000000074E00000-0x00000000755B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2896-50-0x0000000005B50000-0x0000000005B6E000-memory.dmp

        Filesize

        120KB

      • memory/2896-51-0x00000000067A0000-0x00000000067F0000-memory.dmp

        Filesize

        320KB

      • memory/2896-52-0x00000000071E0000-0x00000000073A2000-memory.dmp

        Filesize

        1.8MB

      • memory/3128-65-0x00000000002D0000-0x00000000002D8000-memory.dmp

        Filesize

        32KB

      • memory/3128-68-0x00007FF997620000-0x00007FF9980E1000-memory.dmp

        Filesize

        10.8MB

      • memory/3128-72-0x00007FF997620000-0x00007FF9980E1000-memory.dmp

        Filesize

        10.8MB

      • memory/4840-9-0x0000000074E00000-0x00000000755B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4840-2-0x00000000051F0000-0x0000000005200000-memory.dmp

        Filesize

        64KB

      • memory/4840-0-0x0000000074E00000-0x00000000755B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4840-8-0x0000000002C90000-0x0000000004C90000-memory.dmp

        Filesize

        32.0MB

      • memory/4840-1-0x00000000006D0000-0x0000000000868000-memory.dmp

        Filesize

        1.6MB