Resubmissions

27-10-2021 14:44

211027-r4madafbg6 10

27-10-2021 14:28

211027-rs7f6sfah4 10

Analysis

  • max time kernel
    26s
  • max time network
    76s
  • submitted
    01-01-1970 00:00

General

  • Target

    setup_installer/Wed0971f17486f8.exe

Malware Config

Extracted

Family

redline

Botnet

media26

C2

91.121.67.60:23325

Signatures

  • RedLine

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

  • RedLine Payload 5 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0971f17486f8.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0971f17486f8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0971f17486f8.exe
      C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0971f17486f8.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

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/1544-53-0x0000000000F60000-0x0000000000F61000-memory.dmp
    Filesize

    4KB

  • memory/1544-55-0x0000000000510000-0x0000000000511000-memory.dmp
    Filesize

    4KB

  • memory/1728-56-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1728-57-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1728-58-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1728-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1728-60-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1728-61-0x0000000000418D26-mapping.dmp
  • memory/1728-62-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1728-64-0x0000000004850000-0x0000000004851000-memory.dmp
    Filesize

    4KB