Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 13:59

General

  • Target

    81740342d64bc105d369f39bcf23e93f.exe

  • Size

    149KB

  • MD5

    81740342d64bc105d369f39bcf23e93f

  • SHA1

    4d5d266bc24ed969108c68f794883957a22ae939

  • SHA256

    600694fa52aa0bd711a6d564728931380bd29891fdf62c26b1f95224589b78d8

  • SHA512

    3be9e90c67ef641b94f81c86344082b63c690e906a1fed7825bb6a0321cd4c8289d8e64e9583897ce832cad137f475e66053ace4d43f2b6a741d33b3709ead91

  • SSDEEP

    3072:HemwkmgMXfbtdBE2a/duEx5cLbfu3/XcW5DC2kgZ8YfHcvOgbg8vW/f:HfmgMXfbtdK2a/dh5cLeC2kgZ8YfHcv/

Score
10/10

Malware Config

Signatures

  • Detect Xehook Payload 1 IoCs
  • Xehook stealer

    Xehook is an infostealer written in C#.

  • Deletes itself 1 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81740342d64bc105d369f39bcf23e93f.exe
    "C:\Users\Admin\AppData\Local\Temp\81740342d64bc105d369f39bcf23e93f.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\delete.bat" "
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\system32\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\delete.bat

    Filesize

    168B

    MD5

    88a285eceb06abcbf9901fd2a00e6678

    SHA1

    6ffd6a31729e4c8438df5301bf3c14b58dcd906a

    SHA256

    2630206feb1bb9f813a3bfc3ceea7164639d73e787c3130271adfce64308e205

    SHA512

    dcdb33f70a752d3be8e05b9c57e7b64d68bea8f853be630b76d5e8b000c6ca207ce058af78b91dfce2858b80b582fa0cba0cb3b027ed813d57f1e2c297f4ff13

  • memory/2336-0-0x000007FEF58B3000-0x000007FEF58B4000-memory.dmp

    Filesize

    4KB

  • memory/2336-1-0x0000000001180000-0x00000000011AC000-memory.dmp

    Filesize

    176KB

  • memory/2336-2-0x00000000003D0000-0x00000000003EA000-memory.dmp

    Filesize

    104KB

  • memory/2336-3-0x000007FEF58B0000-0x000007FEF629C000-memory.dmp

    Filesize

    9.9MB

  • memory/2336-12-0x000007FEF58B0000-0x000007FEF629C000-memory.dmp

    Filesize

    9.9MB