Resubmissions

05/05/2024, 02:01

240505-cfwftaed2310

03/03/2024, 18:34

240303-w76kmseh6810

03/03/2024, 18:33

240303-w7jqwaeb8v10

03/03/2024, 18:30

240303-w5g49seg8310

Analysis

  • max time kernel
    141s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 02:01

General

  • Target
    2fa8c24b42f6542a290d85a9a3723e2a.exe
  • Size 328KB
  • Sample240505-cfwftaed23
  • SHA256 1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Xehook Payload 1 IoCs
  • Detect ZGRat V1 1 IoCs
  • Xehook stealer

    Xehook is an infostealer written in C#.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2fa8c24b42f6542a290d85a9a3723e2a.exe
    "C:\Users\Admin\AppData\Local\Temp\2fa8c24b42f6542a290d85a9a3723e2a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 1552
        3⤵
        • Program crash
        PID:2176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3312 -ip 3312
    1⤵
      PID:1472

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3312-5-0x0000000000400000-0x000000000042C000-memory.dmp

          memory/3312-8-0x0000000004C30000-0x0000000004C4A000-memory.dmp

          memory/3312-11-0x0000000074C60000-0x0000000075410000-memory.dmp

          memory/3312-12-0x0000000005340000-0x00000000058E4000-memory.dmp

          memory/3312-13-0x0000000005DF0000-0x0000000005E82000-memory.dmp

          memory/3312-14-0x0000000006110000-0x0000000006176000-memory.dmp

          memory/3312-16-0x0000000074C60000-0x0000000075410000-memory.dmp

          memory/4012-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

          memory/4012-1-0x0000000000E10000-0x0000000000E64000-memory.dmp

          memory/4012-2-0x0000000074C60000-0x0000000075410000-memory.dmp

          memory/4012-9-0x0000000074C60000-0x0000000075410000-memory.dmp

          memory/4012-10-0x0000000074C60000-0x0000000075410000-memory.dmp