Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 19:48

General

  • Target

    86956574d8364f5e6062a23189458eb2.exe

  • Size

    276KB

  • MD5

    86956574d8364f5e6062a23189458eb2

  • SHA1

    9d0cd1bb0b618ffe9076e7ad5e607ea88abe85b0

  • SHA256

    05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f

  • SHA512

    d206d519fe82cd025f0ace27759c6e99559187f7bd84dd61eadf06b0acf6f3ed6b289f650c163debe9afc38ec62cad51479c4b2e3ab3a0ab71132c5557064305

  • SSDEEP

    6144:9g4e6XnYIZxmt5DmvpVYNB/nOCFDfuOTJ6I2vCoCe:a4XnYeuNN5J2OTLoCe

Score
10/10

Malware Config

Extracted

Family

xehook

C2

https://unotree.ru/

https://aiwhcpoaw.ru/

Signatures

  • Detect Xehook Payload 3 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\86956574d8364f5e6062a23189458eb2.exe
    "C:\Users\Admin\AppData\Local\Temp\86956574d8364f5e6062a23189458eb2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1704
    • 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:3172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1704-1-0x00000000009C0000-0x0000000000A09000-memory.dmp

    Filesize

    292KB

  • memory/1704-8-0x00000000009C0000-0x0000000000A09000-memory.dmp

    Filesize

    292KB

  • memory/3172-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3172-2-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3172-3-0x00000000058E0000-0x0000000005E84000-memory.dmp

    Filesize

    5.6MB

  • memory/3172-4-0x0000000005530000-0x0000000005540000-memory.dmp

    Filesize

    64KB

  • memory/3172-5-0x00000000065D0000-0x0000000006662000-memory.dmp

    Filesize

    584KB

  • memory/3172-6-0x0000000006340000-0x00000000063A6000-memory.dmp

    Filesize

    408KB

  • memory/3172-9-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3172-13-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB