Resubmissions

17/04/2024, 09:26

240417-lee7waah5310

17/04/2024, 09:26

240417-leddaaah4710

17/04/2024, 09:26

240417-lec3hsce2w10

17/04/2024, 09:26

240417-lecfzsce2v10

17/04/2024, 09:26

240417-lebvfsah4510

16/04/2024, 13:38

240416-qxqhsada2110

Analysis

  • max time kernel
    1795s
  • max time network
    1804s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17/04/2024, 09:26

General

  • Target
    7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5.exe
  • Size 1.0MB
  • Sample240417-leddaaah47
  • SHA256 7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • systembc

C2
  • yan0212.com:4039

  • yan0212.net:4039

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5.exe
    "C:\Users\Admin\AppData\Local\Temp\7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2644
  • C:\ProgramData\jviapix\qjvtoje.exe
    C:\ProgramData\jviapix\qjvtoje.exe start
    1⤵
    • Executes dropped EXE
    PID:5084

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        qjvtoje.exe

        • Path C:\ProgramData\jviapix\qjvtoje.exe
        • Size 1.0MB
        • SHA256 7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5
        • MD5 SHA1 SHA512 SSDEEP

        memory/2644-0-0x0000000000400000-0x00000000045E6000-memory.dmp

        memory/2644-3-0x00000000001C0000-0x00000000001C9000-memory.dmp

        memory/2644-2-0x0000000004740000-0x0000000004840000-memory.dmp

        memory/2644-4-0x0000000000400000-0x00000000045E6000-memory.dmp

        memory/2644-16-0x0000000004740000-0x0000000004840000-memory.dmp

        memory/5084-12-0x0000000004810000-0x0000000004910000-memory.dmp

        memory/5084-13-0x00000000001C0000-0x00000000001C9000-memory.dmp

        memory/5084-15-0x0000000000400000-0x00000000045E6000-memory.dmp

        memory/5084-19-0x0000000004810000-0x0000000004910000-memory.dmp