Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    23-10-2021 16:31

General

  • Target

    Setup.exe

  • Size

    333.8MB

  • MD5

    e1752b67d6336d141615d1842698ecfe

  • SHA1

    216bf305f1cf34d7e5ffba36b280494b7b03cdf0

  • SHA256

    cd1ae60f06cb76918ef4f3aecb47685214554d4301e975b6b396bf9e0cefe413

  • SHA512

    9a41ab35393012c3f3b85e9d4d026b45f0d9c1cfa0700e79f0bc4dc93d28ae7e734fe07f991ec0de6fc44999e7c2f7abe054eea26d806f0fb72716be120d7530

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 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
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
        PID:844
      • C:\Users\Admin\AppData\Local\Temp\Setup.exe
        "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1660

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/744-55-0x00000000754A1000-0x00000000754A3000-memory.dmp
      Filesize

      8KB

    • memory/744-56-0x00000000003B0000-0x00000000003B1000-memory.dmp
      Filesize

      4KB

    • memory/744-57-0x00000000006E0000-0x00000000006E1000-memory.dmp
      Filesize

      4KB

    • memory/744-58-0x00000000003B1000-0x00000000003B2000-memory.dmp
      Filesize

      4KB

    • memory/1660-59-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/1660-61-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/1660-63-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/1660-62-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/1660-60-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/1660-64-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/1660-65-0x000000000040CD2F-mapping.dmp
    • memory/1660-67-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/1660-68-0x0000000000200000-0x000000000021C000-memory.dmp
      Filesize

      112KB

    • memory/1660-69-0x0000000004E71000-0x0000000004E72000-memory.dmp
      Filesize

      4KB

    • memory/1660-70-0x0000000004E72000-0x0000000004E73000-memory.dmp
      Filesize

      4KB

    • memory/1660-71-0x0000000004E73000-0x0000000004E74000-memory.dmp
      Filesize

      4KB

    • memory/1660-72-0x0000000000280000-0x000000000029B000-memory.dmp
      Filesize

      108KB

    • memory/1660-73-0x0000000004E74000-0x0000000004E76000-memory.dmp
      Filesize

      8KB