Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22/08/2024, 19:09

General

  • Target

    Ехternаl 2.4.exe

  • Size

    313KB

  • MD5

    2225ba07e4bed2fdd12f2d29d1c1a72c

  • SHA1

    29c610f92adb7dbbb497a3fa48f4c887a3484372

  • SHA256

    182d7b64bd5299fa03ab74d4ed79c56c31fdc2f48d98b70f8efa438026d97710

  • SHA512

    ff2b05ed63b8456a68c269e51e7a605dd7c4b204b1417fbfc511aa10adc56d1b1b1234d71a87d7d753d41e1cd7312c0dc9cf3c3713aa21ff61e843c0e1559242

  • SSDEEP

    6144:hrH/AO8NeKh6P5H3spEWuXdfcSmH2X/55rADj79Pjg84dDpZ1nE:hrH/AOb/oEWuFBAPVjEDpDE

Malware Config

Extracted

Family

redline

Botnet

@exelzt

C2

185.215.113.22:80

Signatures

  • RedLine

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

  • RedLine payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ехternаl 2.4.exe
    "C:\Users\Admin\AppData\Local\Temp\Ехternаl 2.4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2308

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\TmpA729.tmp

          Filesize

          2KB

          MD5

          1420d30f964eac2c85b2ccfe968eebce

          SHA1

          bdf9a6876578a3e38079c4f8cf5d6c79687ad750

          SHA256

          f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

          SHA512

          6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

        • memory/2308-10-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2308-5-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2308-12-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2308-33-0x0000000004FF0000-0x0000000005030000-memory.dmp

          Filesize

          256KB

        • memory/2308-14-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2308-32-0x0000000004FF0000-0x0000000005030000-memory.dmp

          Filesize

          256KB

        • memory/2308-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2308-7-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2308-4-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2308-3-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2308-29-0x0000000004FF0000-0x0000000005030000-memory.dmp

          Filesize

          256KB

        • memory/2324-1-0x0000000000AA0000-0x0000000000AF4000-memory.dmp

          Filesize

          336KB

        • memory/2324-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

          Filesize

          4KB

        • memory/2324-15-0x0000000074C10000-0x00000000752FE000-memory.dmp

          Filesize

          6.9MB