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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 14:09

General

  • Target

    8a4620c027661d01fe46cc055f621000b7e6bb681c159e58cc0d59c681e06433.exe

  • Size

    508KB

  • MD5

    53706e505c74b5bbcfb4165ee39b563b

  • SHA1

    9dc6a144f057d456aeeb7c32f274e440c24d8723

  • SHA256

    8a4620c027661d01fe46cc055f621000b7e6bb681c159e58cc0d59c681e06433

  • SHA512

    48a7c29d4387a6bf46327564b6f31f8c9f56f497698e7a0aa7a0cb85db2142271d40005dcfac69a914c3628f320af3087f3d9a328c521136b8f565239175584a

  • SSDEEP

    12288:rfjrKrGQ79tHMSv/giv/MOoEtzXtOGf4CXYyV:URbx

Malware Config

Extracted

Family

redline

Botnet

23/02

C2

65.108.20.226:37715

Signatures

  • RedLine

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

  • RedLine payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a4620c027661d01fe46cc055f621000b7e6bb681c159e58cc0d59c681e06433.exe
    "C:\Users\Admin\AppData\Local\Temp\8a4620c027661d01fe46cc055f621000b7e6bb681c159e58cc0d59c681e06433.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath "C:"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1.exe

    Filesize

    184KB

    MD5

    a9bcd49121ed7219ff6e999eed91e93b

    SHA1

    67e4915719c093fbef4c1905be6fdfabbe56e4b4

    SHA256

    77037f726a454038961b431649353816034cfd351eff6a58be55fa2da87c7b5e

    SHA512

    a9c89fc02ff3e96901837225ea92ef80343e8994932c0a2edf643c72af0f303cf6c5732f9b4c299c0e0bd4221efa6687d0011fab5021f6b3da65d66cf5587828

  • memory/2088-1-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2088-0-0x0000000000E40000-0x0000000000EC4000-memory.dmp

    Filesize

    528KB

  • memory/2088-15-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-17-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-20-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-19-0x0000000004CE0000-0x0000000004D20000-memory.dmp

    Filesize

    256KB

  • memory/2604-18-0x0000000000F80000-0x0000000000FB4000-memory.dmp

    Filesize

    208KB

  • memory/2880-5-0x00000000027C0000-0x0000000002800000-memory.dmp

    Filesize

    256KB

  • memory/2880-8-0x00000000713C0000-0x000000007196B000-memory.dmp

    Filesize

    5.7MB

  • memory/2880-7-0x00000000713C0000-0x000000007196B000-memory.dmp

    Filesize

    5.7MB

  • memory/2880-6-0x00000000027C0000-0x0000000002800000-memory.dmp

    Filesize

    256KB

  • memory/2880-4-0x00000000713C0000-0x000000007196B000-memory.dmp

    Filesize

    5.7MB