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Analysis

  • max time kernel
    131s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2023, 01:21

General

  • Target

    e1c5d328eaf0228e5d1ae9bf8ef3d6bf734f88dfb411cb5afa25d15f1f023ab0.exe

  • Size

    482KB

  • MD5

    3f5bb3fc080ece9c6f87004c4f0b052a

  • SHA1

    286da433d2ab965c7ac94a9ab8838ed74c5e5ee3

  • SHA256

    e1c5d328eaf0228e5d1ae9bf8ef3d6bf734f88dfb411cb5afa25d15f1f023ab0

  • SHA512

    3dc0489ced9d15d485d0bf3a2c007841238691705e73e1d8a0549ec09e2b9e66488d953207c81cfea2ba1171d61a512a10c3f2bada8c5febdf2155f0c6c792a3

  • SSDEEP

    12288:qubsNSOetfARQAPyGUfT+tkrhWJNOnMv77:qubsnafAPyjZrgnv77

Malware Config

Extracted

Family

redline

Botnet

1149276168_99

C2

https://pastebin.com/raw/8baCJyMF

Signatures

  • RedLine

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1c5d328eaf0228e5d1ae9bf8ef3d6bf734f88dfb411cb5afa25d15f1f023ab0.exe
    "C:\Users\Admin\AppData\Local\Temp\e1c5d328eaf0228e5d1ae9bf8ef3d6bf734f88dfb411cb5afa25d15f1f023ab0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Users\Admin\AppData\Local\Temp\setup_1693318291.792842.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_1693318291.792842.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 136
        3⤵
        • Program crash
        PID:1200
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5048 -ip 5048
    1⤵
      PID:2084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\setup_1693318291.792842.exe

      Filesize

      657.2MB

      MD5

      8a366f3881cfd3a95ed37eded5481b35

      SHA1

      9a3b6d2082cfd604d000d0cf736b917a0eaa9b11

      SHA256

      ba76161b32aa0bcd41d948bbe360de1eeeeb5c59e934cce392b3adffa09a0800

      SHA512

      00e4098ed63a0293ef2ac4025c9953ddd616b14a3e52a9a422a26b4d96a78006c7b61f5c47965f2190f3316e261c974425604070e869fa12bca2660c1b69efee

    • C:\Users\Admin\AppData\Local\Temp\setup_1693318291.792842.exe

      Filesize

      657.2MB

      MD5

      8a366f3881cfd3a95ed37eded5481b35

      SHA1

      9a3b6d2082cfd604d000d0cf736b917a0eaa9b11

      SHA256

      ba76161b32aa0bcd41d948bbe360de1eeeeb5c59e934cce392b3adffa09a0800

      SHA512

      00e4098ed63a0293ef2ac4025c9953ddd616b14a3e52a9a422a26b4d96a78006c7b61f5c47965f2190f3316e261c974425604070e869fa12bca2660c1b69efee

    • C:\Users\Admin\AppData\Local\Temp\setup_1693318291.792842.exe

      Filesize

      657.2MB

      MD5

      8a366f3881cfd3a95ed37eded5481b35

      SHA1

      9a3b6d2082cfd604d000d0cf736b917a0eaa9b11

      SHA256

      ba76161b32aa0bcd41d948bbe360de1eeeeb5c59e934cce392b3adffa09a0800

      SHA512

      00e4098ed63a0293ef2ac4025c9953ddd616b14a3e52a9a422a26b4d96a78006c7b61f5c47965f2190f3316e261c974425604070e869fa12bca2660c1b69efee

    • memory/2600-9-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2600-11-0x00000000053F0000-0x0000000005A08000-memory.dmp

      Filesize

      6.1MB

    • memory/2600-10-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-12-0x0000000004CE0000-0x0000000004CF2000-memory.dmp

      Filesize

      72KB

    • memory/2600-13-0x0000000004EE0000-0x0000000004FEA000-memory.dmp

      Filesize

      1.0MB

    • memory/2600-14-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

      Filesize

      64KB

    • memory/2600-15-0x0000000005E90000-0x0000000005ECC000-memory.dmp

      Filesize

      240KB

    • memory/2600-16-0x0000000006200000-0x00000000063C2000-memory.dmp

      Filesize

      1.8MB

    • memory/2600-17-0x0000000006900000-0x0000000006E2C000-memory.dmp

      Filesize

      5.2MB

    • memory/2600-18-0x0000000006170000-0x00000000061D6000-memory.dmp

      Filesize

      408KB

    • memory/2600-19-0x00000000065C0000-0x0000000006652000-memory.dmp

      Filesize

      584KB

    • memory/2600-20-0x00000000073E0000-0x0000000007984000-memory.dmp

      Filesize

      5.6MB

    • memory/2600-21-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-22-0x0000000006EF0000-0x0000000006F66000-memory.dmp

      Filesize

      472KB

    • memory/2600-23-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

      Filesize

      64KB

    • memory/2600-24-0x00000000005B0000-0x00000000005CE000-memory.dmp

      Filesize

      120KB

    • memory/2600-25-0x0000000002640000-0x0000000002690000-memory.dmp

      Filesize

      320KB

    • memory/2600-27-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB