Analysis

  • max time kernel
    43s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    23/06/2021, 18:56

General

  • Target
    f38a748a6be2d848b7bb2fbfe8e07aad.exe
  • Size 776KB
  • Sample210623-mdrvnffjps
  • SHA256 397e2b5da2c8a13a8eafd1d05a6a320fdb9c18d90811787ec4383531e683f2ba
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • AQkmDg==

C2
  • LQ09QTMrOhkuJClGMzQ+FgMNB0EMBgNbAiJSSQ==

Signatures

  • RedLine

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

  • RedLine Payload 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f38a748a6be2d848b7bb2fbfe8e07aad.exe
    "C:\Users\Admin\AppData\Local\Temp\f38a748a6be2d848b7bb2fbfe8e07aad.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\f38a748a6be2d848b7bb2fbfe8e07aad.exe
      C:\Users\Admin\AppData\Local\Temp\f38a748a6be2d848b7bb2fbfe8e07aad.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1668

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1612-59-0x0000000000C40000-0x0000000000C41000-memory.dmp

        memory/1612-61-0x0000000004850000-0x0000000004851000-memory.dmp

        memory/1612-62-0x0000000000470000-0x000000000048F000-memory.dmp

        memory/1668-63-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/1668-65-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/1668-67-0x0000000004760000-0x0000000004761000-memory.dmp