Analysis

  • max time kernel
    154s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2024, 21:36

General

  • Target

    7b572a92bb2b99f1e7329f08469f79f6.exe

  • Size

    491KB

  • MD5

    7b572a92bb2b99f1e7329f08469f79f6

  • SHA1

    856e8dd0873309ce538edf8c3b7cf24cb57dc999

  • SHA256

    8625d76b98dcbb75c19dfcbd9d2d054d42a144d04dc026ee9ec237242ce237a2

  • SHA512

    d12f6076b4e141db53c8d0694a318b22fa6266ff2901f4663bc2e3cb3d78ba401195716a8383d639cdfa5944d4711384c1341ca9d03087fa4c1b1ccda8935d12

  • SSDEEP

    6144:gVpz8h8OG95o61lYkvvA3s9eDQAJmfXLAtcm39Ztun7az2+jzp9KM2T8:g6Cg61ikvvA3sXT87keac

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    19112589

Signatures

  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • 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 4 IoCs
  • 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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b572a92bb2b99f1e7329f08469f79f6.exe
    "C:\Users\Admin\AppData\Local\Temp\7b572a92bb2b99f1e7329f08469f79f6.exe"
    1⤵
    • Modifies Installed Components in the registry
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\User Account Control\UAC.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\User Account Control\UAC.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5096

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows Firewall\Firewall.exe

          Filesize

          491KB

          MD5

          7b572a92bb2b99f1e7329f08469f79f6

          SHA1

          856e8dd0873309ce538edf8c3b7cf24cb57dc999

          SHA256

          8625d76b98dcbb75c19dfcbd9d2d054d42a144d04dc026ee9ec237242ce237a2

          SHA512

          d12f6076b4e141db53c8d0694a318b22fa6266ff2901f4663bc2e3cb3d78ba401195716a8383d639cdfa5944d4711384c1341ca9d03087fa4c1b1ccda8935d12

        • memory/2592-25-0x0000000075010000-0x00000000755C1000-memory.dmp

          Filesize

          5.7MB

        • memory/2592-1-0x0000000075010000-0x00000000755C1000-memory.dmp

          Filesize

          5.7MB

        • memory/2592-2-0x0000000000E90000-0x0000000000EA0000-memory.dmp

          Filesize

          64KB

        • memory/2592-3-0x0000000000E90000-0x0000000000EA0000-memory.dmp

          Filesize

          64KB

        • memory/2592-28-0x0000000075010000-0x00000000755C1000-memory.dmp

          Filesize

          5.7MB

        • memory/2592-0-0x0000000075010000-0x00000000755C1000-memory.dmp

          Filesize

          5.7MB

        • memory/2592-26-0x0000000000E90000-0x0000000000EA0000-memory.dmp

          Filesize

          64KB

        • memory/2592-23-0x0000000075010000-0x00000000755C1000-memory.dmp

          Filesize

          5.7MB

        • memory/5096-21-0x00000000019D0000-0x00000000019E0000-memory.dmp

          Filesize

          64KB

        • memory/5096-24-0x00000000019D0000-0x00000000019E0000-memory.dmp

          Filesize

          64KB

        • memory/5096-22-0x0000000075010000-0x00000000755C1000-memory.dmp

          Filesize

          5.7MB

        • memory/5096-20-0x0000000075010000-0x00000000755C1000-memory.dmp

          Filesize

          5.7MB

        • memory/5096-29-0x0000000075010000-0x00000000755C1000-memory.dmp

          Filesize

          5.7MB

        • memory/5096-30-0x00000000019D0000-0x00000000019E0000-memory.dmp

          Filesize

          64KB