Analysis

  • max time kernel
    195s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25-04-2024 01:00

General

  • Target

    1988e57588055c5e70ba3acc057888a03d33520ae86f74f95e6c2a9bcbf128aa.exe

  • Size

    273KB

  • MD5

    09b7c724534548986bb2110cf0902d76

  • SHA1

    b94ad55a4b7c4c2c9d5a85c3426bbd8a54bfbcc8

  • SHA256

    1988e57588055c5e70ba3acc057888a03d33520ae86f74f95e6c2a9bcbf128aa

  • SHA512

    42ff115546983093708a43909f1bf962741ab7ceca55b86892f4e85bd3b6071ef2bddadd8f0a51a4684c11f2fca988e58a26ad6567820990a3c243670182ea5f

  • SSDEEP

    6144:VtwlK8rGFkFokzeQanr/6pNLCI8cQGz0nUMtY/uqqaO0:B8rGFkFP2upVC+zqUMtY/uq/O0

Score
10/10

Malware Config

Extracted

Family

xehook

C2

https://unotree.ru/

https://aiwhcpoaw.ru/

Signatures

  • Detect Xehook Payload 2 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1988e57588055c5e70ba3acc057888a03d33520ae86f74f95e6c2a9bcbf128aa.exe
    "C:\Users\Admin\AppData\Local\Temp\1988e57588055c5e70ba3acc057888a03d33520ae86f74f95e6c2a9bcbf128aa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4948
    • 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:4572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4572-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4572-2-0x0000000073780000-0x0000000073E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/4572-3-0x0000000005B30000-0x000000000602E000-memory.dmp

    Filesize

    5.0MB

  • memory/4572-4-0x0000000006650000-0x00000000066E2000-memory.dmp

    Filesize

    584KB

  • memory/4572-5-0x00000000064E0000-0x0000000006546000-memory.dmp

    Filesize

    408KB

  • memory/4572-10-0x0000000073780000-0x0000000073E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/4948-1-0x0000000000B60000-0x0000000000BA8000-memory.dmp

    Filesize

    288KB