Analysis

  • max time kernel
    78s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    29-04-2022 13:10

General

  • Target

    MVPInstaller.exe

  • Size

    255KB

  • MD5

    883eb374a6710283bab49bd840d911c7

  • SHA1

    29416739657f2d2b7a900dca6ddeda755852818e

  • SHA256

    24bde190edd5fda4b47d376abef29d385d655c11ccfdeb314ffced065675cad4

  • SHA512

    b2a159e495624cee478be7d3ff409c9d89eb6e8cb021904ab302df4910874013a305ea10100fae12685d8fc0694d84c553e4f61a194498fd0d5ee2bf6cc5527d

Malware Config

Extracted

Family

redline

Botnet

1

C2

116.202.19.253:30602

Attributes
auth_value
da0d7d77d8ec04c55cc5ace3d9113a5c

Signatures

  • RedLine

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

  • 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 ⋅ 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam ⋅ 1 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 3 IoCs
  • Suspicious use of FindShellTrayWindow ⋅ 46 IoCs
  • Suspicious use of SendNotifyMessage ⋅ 45 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MVPInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\MVPInstaller.exe"
    Suspicious use of SetThreadContext
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\MVPInstaller.exe
      C:\Users\Admin\AppData\Local\Temp\MVPInstaller.exe
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1868
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    Suspicious behavior: EnumeratesProcesses
    Suspicious behavior: GetForegroundWindowSpam
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of FindShellTrayWindow
    Suspicious use of SendNotifyMessage
    PID:1108

Network

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Defense Evasion

      Discovery

      Execution

        Exfiltration

          Impact

            Initial Access

              Lateral Movement

                Persistence

                  Privilege Escalation

                    Replay Monitor

                    00:00 00:00

                    Downloads

                    • memory/1108-71-0x000007FEFC341000-0x000007FEFC343000-memory.dmp
                    • memory/1868-64-0x0000000000416206-mapping.dmp
                    • memory/1868-58-0x0000000000400000-0x000000000041C000-memory.dmp
                    • memory/1868-59-0x0000000000400000-0x000000000041C000-memory.dmp
                    • memory/1868-61-0x0000000000400000-0x000000000041C000-memory.dmp
                    • memory/1868-62-0x0000000000400000-0x000000000041C000-memory.dmp
                    • memory/1868-63-0x0000000000400000-0x000000000041C000-memory.dmp
                    • memory/1868-66-0x0000000000400000-0x000000000041C000-memory.dmp
                    • memory/1868-68-0x0000000000400000-0x000000000041C000-memory.dmp
                    • memory/2020-56-0x00000000089D0000-0x0000000008B6A000-memory.dmp
                    • memory/2020-57-0x0000000004490000-0x00000000044C4000-memory.dmp
                    • memory/2020-54-0x0000000000DB0000-0x0000000000DF2000-memory.dmp
                    • memory/2020-69-0x0000000002245000-0x0000000002256000-memory.dmp
                    • memory/2020-55-0x0000000076261000-0x0000000076263000-memory.dmp