Analysis

  • max time kernel
    199s
  • max time network
    258s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-04-2024 04:52

General

  • Target

    17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe

  • Size

    273KB

  • MD5

    e795115169cc800de0392d6a675d58fd

  • SHA1

    8dd75837e360ba1cb8acf5a3d348dd020a5da482

  • SHA256

    17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e

  • SHA512

    5fb6543e91de175bd365462a1cc87d6772e43b0effd3757b3e408b08a4de5a004de9a85e7f1d09578fa3bc6b6486c5f5016c1b879496582dbb39b2e62e168f38

  • SSDEEP

    6144:s/wl9dobdtMJNPX459l2/FpnovRWf1RdSxWbkHg6O0:HdoRtMJRkQp2MY0QO0

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe
    "C:\Users\Admin\AppData\Local\Temp\17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4640
      • 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
        • Suspicious use of WriteProcessMemory
        PID:212
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Start-Process 'C:\Users\Admin\AppData\Roaming\62C23MHTUU.exe'"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uekrl02v.tmu.ps1
      Filesize

      1B

      MD5

      c4ca4238a0b923820dcc509a6f75849b

      SHA1

      356a192b7913b04c54574d18c28d46e6395428ab

      SHA256

      6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

      SHA512

      4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

    • C:\Users\Admin\AppData\Roaming\62C23MHTUU.exe
      Filesize

      70KB

      MD5

      65239105fb8d019b2b6211cd859be52d

      SHA1

      5e0c893a79b912ca5e872b1d9f385365c7387107

      SHA256

      1cef1f49c2306fd0a8f2c994cda5fa48bf6b6cbe876ec8d1729652db5ca38e22

      SHA512

      ee2a7b0da2b18bb648a1b656334e4489e3bdfcf3f99c7d5c49f2ac2752df40374f6da173181f66a887a3df80601acfe7449083800939be2e0decd80ccb8b9b1e

    • memory/212-1-0x0000000000400000-0x000000000041C000-memory.dmp
      Filesize

      112KB

    • memory/212-3-0x0000000073730000-0x0000000073E1E000-memory.dmp
      Filesize

      6.9MB

    • memory/212-4-0x00000000056B0000-0x0000000005BAE000-memory.dmp
      Filesize

      5.0MB

    • memory/212-5-0x0000000005FA0000-0x0000000006006000-memory.dmp
      Filesize

      408KB

    • memory/212-6-0x00000000065B0000-0x0000000006642000-memory.dmp
      Filesize

      584KB

    • memory/212-12-0x0000000073730000-0x0000000073E1E000-memory.dmp
      Filesize

      6.9MB

    • memory/1284-21-0x0000000006F10000-0x0000000007538000-memory.dmp
      Filesize

      6.2MB

    • memory/1284-26-0x0000000007D80000-0x0000000007DCB000-memory.dmp
      Filesize

      300KB

    • memory/1284-19-0x0000000000FF0000-0x0000000001000000-memory.dmp
      Filesize

      64KB

    • memory/1284-20-0x0000000000FF0000-0x0000000001000000-memory.dmp
      Filesize

      64KB

    • memory/1284-66-0x0000000073140000-0x000000007382E000-memory.dmp
      Filesize

      6.9MB

    • memory/1284-22-0x0000000007570000-0x0000000007592000-memory.dmp
      Filesize

      136KB

    • memory/1284-23-0x0000000007720000-0x0000000007786000-memory.dmp
      Filesize

      408KB

    • memory/1284-24-0x0000000007790000-0x0000000007AE0000-memory.dmp
      Filesize

      3.3MB

    • memory/1284-25-0x0000000007700000-0x000000000771C000-memory.dmp
      Filesize

      112KB

    • memory/1284-18-0x0000000073140000-0x000000007382E000-memory.dmp
      Filesize

      6.9MB

    • memory/1284-27-0x0000000007ED0000-0x0000000007F46000-memory.dmp
      Filesize

      472KB

    • memory/1284-17-0x0000000001040000-0x0000000001076000-memory.dmp
      Filesize

      216KB

    • memory/1284-42-0x0000000008F00000-0x0000000008F94000-memory.dmp
      Filesize

      592KB

    • memory/1284-43-0x0000000008EB0000-0x0000000008ECA000-memory.dmp
      Filesize

      104KB

    • memory/1284-44-0x0000000008ED0000-0x0000000008EF2000-memory.dmp
      Filesize

      136KB

    • memory/1284-62-0x0000000000FF0000-0x0000000001000000-memory.dmp
      Filesize

      64KB

    • memory/4988-2-0x00000000013B0000-0x00000000013F8000-memory.dmp
      Filesize

      288KB

    • memory/4988-0-0x00000000013B0000-0x00000000013F8000-memory.dmp
      Filesize

      288KB