Analysis

  • max time kernel
    156s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2024 08:01

General

  • Target

    4ae1ea60f3ce403f37b317a9ad21f15a.exe

  • Size

    60KB

  • MD5

    4ae1ea60f3ce403f37b317a9ad21f15a

  • SHA1

    3b4fe3a2b10c6c8dff5d66ba63a286a7793ddaa7

  • SHA256

    930942fa07b68fbb7ffa8b3ce7f1121b3d576567176ca242721e4be14fb84f5e

  • SHA512

    0bb09e57988a675472a00189d60a455e36809c2d8f6943f4de76008ca2c88194887bbbe669d63184b716f0508b545900c23a5a78ab13e4da41b5eac645af32e0

  • SSDEEP

    768:JOucKn7n1JSDNANIUdTvLDwUzc80gmq3oP/oDg:JO2SDNAPFr/0O8/o8

Malware Config

Signatures

  • Renames multiple (82) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ae1ea60f3ce403f37b317a9ad21f15a.exe
    "C:\Users\Admin\AppData\Local\Temp\4ae1ea60f3ce403f37b317a9ad21f15a.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:880
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1620-0-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-1-0x0000000000B00000-0x0000000000B16000-memory.dmp

    Filesize

    88KB

  • memory/1620-2-0x00000000059E0000-0x0000000005F84000-memory.dmp

    Filesize

    5.6MB

  • memory/1620-3-0x0000000005510000-0x00000000055A2000-memory.dmp

    Filesize

    584KB

  • memory/1620-4-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-5-0x00000000057B0000-0x00000000057C0000-memory.dmp

    Filesize

    64KB

  • memory/1620-6-0x00000000057B0000-0x00000000057C0000-memory.dmp

    Filesize

    64KB