Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-03-2024 07:34

General

  • Target

    cad7af2b2714b813aa083c5e692cd7ba.exe

  • Size

    9.0MB

  • MD5

    cad7af2b2714b813aa083c5e692cd7ba

  • SHA1

    24eb7d428398fb6fe79da729e8ff416b0970d6d8

  • SHA256

    7eceee2d481d80031eb26f51bd11fbf9671c123107c83b0100b5dbaaf52ec833

  • SHA512

    5f8902b38668bbf17001e47cb5045c590f1d733e00e0dddcdc5f95c883f93afdddac97d3a6f37981b9648869fd3247220d92adef8ca42e6a3b7630ac9300c4b8

  • SSDEEP

    768:HOucKn7n1JGDNANIUARbvLDwUzc80gmq3oP/oDE:HO2GDNAPA9r/0O8/o4

Malware Config

Signatures

  • Nitro

    A ransomware that demands Discord nitro gift codes to decrypt files.

  • Renames multiple (84) 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) 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cad7af2b2714b813aa083c5e692cd7ba.exe
    "C:\Users\Admin\AppData\Local\Temp\cad7af2b2714b813aa083c5e692cd7ba.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2340-0-0x0000000000E90000-0x0000000000EA6000-memory.dmp

    Filesize

    88KB

  • memory/2340-1-0x0000000074800000-0x0000000074EEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-2-0x0000000000DC0000-0x0000000000E00000-memory.dmp

    Filesize

    256KB

  • memory/2340-55-0x0000000074800000-0x0000000074EEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-60-0x0000000000DC0000-0x0000000000E00000-memory.dmp

    Filesize

    256KB

  • memory/2340-92-0x0000000000DC0000-0x0000000000E00000-memory.dmp

    Filesize

    256KB

  • memory/2340-93-0x0000000000DC0000-0x0000000000E00000-memory.dmp

    Filesize

    256KB