Analysis

  • max time kernel
    134s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 03:06

General

  • Target

    496219a22d96d4eb4c699045521b7fa73bba242d4e84e62f565e8d8046fa00c5.exe

  • Size

    1.0MB

  • MD5

    585d16749fda38cb7f8a987137890167

  • SHA1

    0b3f1064b2f0ddf397552e442e99e1c233c67df1

  • SHA256

    496219a22d96d4eb4c699045521b7fa73bba242d4e84e62f565e8d8046fa00c5

  • SHA512

    784c3a2e3fa3e90f57ed059a5bc204441da3ebc173a93b67e752f84cc2e2cf0f4ddc49aabeaa3233053e49d51633f6bb93a90c0735292084305b00bf79b2c632

  • SSDEEP

    24576:23xZfO09c1MhIix2MZimC8GRPrvbyK5glhZ:23xhc1AIix2MUhRjvbyUe

Score
10/10

Malware Config

Extracted

Family

xehook

Version

2.1.5 Stable

C2

https://ussrconnect.ru/

https://c0nnect1ng.ru/

https://vodkaenjoy.ru/

Attributes
  • id

    105

  • token

    xehook105401801

Signatures

  • Detect Xehook Payload 1 IoCs
  • Xehook stealer

    Xehook is an infostealer 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 behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\496219a22d96d4eb4c699045521b7fa73bba242d4e84e62f565e8d8046fa00c5.exe
    "C:\Users\Admin\AppData\Local\Temp\496219a22d96d4eb4c699045521b7fa73bba242d4e84e62f565e8d8046fa00c5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4908
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 284
      2⤵
      • Program crash
      PID:3712
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4908 -ip 4908
    1⤵
      PID:3792

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1084-2-0x0000000000400000-0x000000000042C000-memory.dmp
      Filesize

      176KB

    • memory/1084-4-0x0000000074D3E000-0x0000000074D3F000-memory.dmp
      Filesize

      4KB

    • memory/1084-5-0x00000000059C0000-0x0000000005F64000-memory.dmp
      Filesize

      5.6MB

    • memory/1084-6-0x0000000074D30000-0x00000000754E0000-memory.dmp
      Filesize

      7.7MB

    • memory/1084-7-0x0000000006400000-0x0000000006466000-memory.dmp
      Filesize

      408KB

    • memory/1084-8-0x0000000006B90000-0x0000000006C22000-memory.dmp
      Filesize

      584KB

    • memory/1084-10-0x0000000074D30000-0x00000000754E0000-memory.dmp
      Filesize

      7.7MB

    • memory/4908-0-0x00000000005D0000-0x00000000005D1000-memory.dmp
      Filesize

      4KB

    • memory/4908-1-0x00000000005D0000-0x00000000005D1000-memory.dmp
      Filesize

      4KB

    • memory/4908-3-0x00000000005D0000-0x00000000005D1000-memory.dmp
      Filesize

      4KB