Analysis

  • max time kernel
    140s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 12:54

General

  • Target

    0237b61e61fe845c052d94e1696f694fd1c69b55134971372a39facd025272e4.exe

  • Size

    306KB

  • MD5

    03ddaf6361edf593f75a7a908de781bf

  • SHA1

    bcd7cde0556d92994871b44f1ea9854d86953ba8

  • SHA256

    0237b61e61fe845c052d94e1696f694fd1c69b55134971372a39facd025272e4

  • SHA512

    1fb8f368f7019e8c31fbc973fae1ec4a670f49ecda78686a4c10adfe106544caa48893af7a371f6e46890e05aa30335e6e4ceb9f2cc01f01d071ff682d011083

  • SSDEEP

    6144:t7ZN9vSWh60RVAtljy11okg/LsJqePx7JS1jlr+rxJyL98J:5ZyWhHek7JqePunsyL98J

Malware Config

Extracted

Family

redline

Botnet

5195552529

C2

https://pastebin.com/raw/NgsUAPya

Signatures

  • RedLine

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

  • RedLine payload 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0237b61e61fe845c052d94e1696f694fd1c69b55134971372a39facd025272e4.exe
    "C:\Users\Admin\AppData\Local\Temp\0237b61e61fe845c052d94e1696f694fd1c69b55134971372a39facd025272e4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4024
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 284
        2⤵
        • Program crash
        PID:2876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4836 -ip 4836
      1⤵
        PID:3296

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      2
      T1552

      Credentials In Files

      2
      T1552.001

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      2
      T1005

      Command and Control

      Web Service

      1
      T1102

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3284-10-0x0000000006A10000-0x0000000006BD2000-memory.dmp
        Filesize

        1.8MB

      • memory/3284-17-0x000000007464E000-0x000000007464F000-memory.dmp
        Filesize

        4KB

      • memory/3284-2-0x000000007464E000-0x000000007464F000-memory.dmp
        Filesize

        4KB

      • memory/3284-3-0x0000000005380000-0x00000000053E6000-memory.dmp
        Filesize

        408KB

      • memory/3284-4-0x0000000005E90000-0x00000000064A8000-memory.dmp
        Filesize

        6.1MB

      • memory/3284-5-0x00000000058B0000-0x00000000058C2000-memory.dmp
        Filesize

        72KB

      • memory/3284-6-0x00000000059E0000-0x0000000005AEA000-memory.dmp
        Filesize

        1.0MB

      • memory/3284-8-0x00000000066B0000-0x00000000066EC000-memory.dmp
        Filesize

        240KB

      • memory/3284-20-0x0000000074640000-0x0000000074DF0000-memory.dmp
        Filesize

        7.7MB

      • memory/3284-1-0x0000000000400000-0x0000000000422000-memory.dmp
        Filesize

        136KB

      • memory/3284-7-0x0000000074640000-0x0000000074DF0000-memory.dmp
        Filesize

        7.7MB

      • memory/3284-11-0x0000000007110000-0x000000000763C000-memory.dmp
        Filesize

        5.2MB

      • memory/3284-12-0x0000000007BF0000-0x0000000008194000-memory.dmp
        Filesize

        5.6MB

      • memory/3284-13-0x0000000006BE0000-0x0000000006C72000-memory.dmp
        Filesize

        584KB

      • memory/3284-14-0x0000000006FD0000-0x0000000007046000-memory.dmp
        Filesize

        472KB

      • memory/3284-15-0x0000000006E10000-0x0000000006E2E000-memory.dmp
        Filesize

        120KB

      • memory/3284-16-0x0000000007740000-0x0000000007790000-memory.dmp
        Filesize

        320KB

      • memory/3284-9-0x0000000005E40000-0x0000000005E8C000-memory.dmp
        Filesize

        304KB

      • memory/3284-18-0x0000000074640000-0x0000000074DF0000-memory.dmp
        Filesize

        7.7MB

      • memory/4836-0-0x0000000000128000-0x0000000000129000-memory.dmp
        Filesize

        4KB