Analysis

  • max time kernel
    145s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 15:01

General

  • Target

    2d6ce3858dc5849cd0e5ce873e285bbd3b6a34ad11e20937b1827c8f3594abb0.exe

  • Size

    274KB

  • MD5

    e37c96dcb461998f850d7f29636f4c7e

  • SHA1

    99e246345e6f7e42e1bbf87413af04ecde111326

  • SHA256

    2d6ce3858dc5849cd0e5ce873e285bbd3b6a34ad11e20937b1827c8f3594abb0

  • SHA512

    8e74a88d6396f1c687e70c4e54964a3bbd632038d4c775ed01f6564fb0651484f7e75e499cda7e159984f7d595b8bc0cb497b3762b4ebb133035d32986343670

  • SSDEEP

    3072:S++KoocagDG2XjkWhG2Lf7Ggq3L1JxPiilhkgowrWtctWaYUhP+OKerH80fNLtvf:tJeaoQWhlmgE5++WhsZrr9tCZnrwp/

Malware Config

Extracted

Family

redline

Botnet

5637482599

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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d6ce3858dc5849cd0e5ce873e285bbd3b6a34ad11e20937b1827c8f3594abb0.exe
    "C:\Users\Admin\AppData\Local\Temp\2d6ce3858dc5849cd0e5ce873e285bbd3b6a34ad11e20937b1827c8f3594abb0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:688
    • 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:1976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 368
      2⤵
      • Program crash
      PID:4292
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 688 -ip 688
    1⤵
      PID:3824

    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/688-1-0x0000000000921000-0x0000000000922000-memory.dmp
      Filesize

      4KB

    • memory/1976-0-0x0000000000400000-0x0000000000422000-memory.dmp
      Filesize

      136KB

    • memory/1976-2-0x0000000074CBE000-0x0000000074CBF000-memory.dmp
      Filesize

      4KB

    • memory/1976-3-0x0000000005870000-0x00000000058D6000-memory.dmp
      Filesize

      408KB

    • memory/1976-4-0x0000000006370000-0x0000000006988000-memory.dmp
      Filesize

      6.1MB

    • memory/1976-5-0x0000000005E00000-0x0000000005E12000-memory.dmp
      Filesize

      72KB

    • memory/1976-6-0x0000000005F30000-0x000000000603A000-memory.dmp
      Filesize

      1.0MB

    • memory/1976-7-0x0000000074CB0000-0x0000000075460000-memory.dmp
      Filesize

      7.7MB

    • memory/1976-8-0x00000000062D0000-0x000000000630C000-memory.dmp
      Filesize

      240KB

    • memory/1976-9-0x0000000006310000-0x000000000635C000-memory.dmp
      Filesize

      304KB

    • memory/1976-10-0x0000000006F70000-0x0000000007132000-memory.dmp
      Filesize

      1.8MB

    • memory/1976-11-0x0000000007670000-0x0000000007B9C000-memory.dmp
      Filesize

      5.2MB

    • memory/1976-12-0x0000000008150000-0x00000000086F4000-memory.dmp
      Filesize

      5.6MB

    • memory/1976-13-0x0000000007140000-0x00000000071D2000-memory.dmp
      Filesize

      584KB

    • memory/1976-14-0x00000000071E0000-0x0000000007230000-memory.dmp
      Filesize

      320KB

    • memory/1976-15-0x0000000007230000-0x00000000072A6000-memory.dmp
      Filesize

      472KB

    • memory/1976-16-0x0000000006F40000-0x0000000006F5E000-memory.dmp
      Filesize

      120KB

    • memory/1976-18-0x0000000074CB0000-0x0000000075460000-memory.dmp
      Filesize

      7.7MB