Resubmissions

10-05-2024 17:13

240510-vrrk4sgd7t 10

10-05-2024 17:09

240510-vphv7abd29 10

Analysis

  • max time kernel
    137s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 17:09

General

  • Target

    mouse_2.exe

  • Size

    984KB

  • MD5

    af8ab92992ccc4cc6a637953836edf93

  • SHA1

    ac17c77cae31fdfeb618b0083285ba869baf29fc

  • SHA256

    03968a3a5a7a880feefca31686fcfbed445080a0c06eda2b6d623757179b782c

  • SHA512

    9dc3bdfe45f9333d62ef3b0aaf3860a9ef1e94ced02ed0437d3ac2f96b3b9aacf6e621703f13d62f356bd50dec84cc3a3dc787a8a14c9ce0ceeed9ff63c45ad2

  • SSDEEP

    24576:iNg+tKkEYA7Gmvv/HGsvPw9vz/DrELE7VUH:0g4K7YA7vvRMbcLa

Malware Config

Signatures

  • Detect ZGRat V1 1 IoCs
  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 18 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mouse_2.exe
    "C:\Users\Admin\AppData\Local\Temp\mouse_2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp850A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3380
    • C:\Users\Admin\AppData\Local\Temp\mouse_2.exe
      "{path}"
      2⤵
        PID:3584
      • C:\Users\Admin\AppData\Local\Temp\mouse_2.exe
        "{path}"
        2⤵
        • Checks computer location settings
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:316

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\mouse_2.exe.log
      Filesize

      1KB

      MD5

      400f1cc1a0a0ce1cdabda365ab3368ce

      SHA1

      1ecf683f14271d84f3b6063493dce00ff5f42075

      SHA256

      c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

      SHA512

      14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

    • C:\Users\Admin\AppData\Local\Temp\tmp850A.tmp
      Filesize

      1KB

      MD5

      a778d0d30e849e159aefd86aefe34894

      SHA1

      92f080363ebd56429c62aec0d49351aa46bc0e1c

      SHA256

      8a61a6df863b1c5be5bf3faf72e9636ec6c58ceb7c0512aa0b8b12fa688b11d1

      SHA512

      588ae5f990195e4e2d9052b840087cfc81558f8bd44edec024a87bd50d4a3fd916970752d90eb4d4928f1110ac5cd9c45acff4f9b7c302fc50f360d45bac24a2

    • memory/316-21-0x00000000052E0000-0x0000000005324000-memory.dmp
      Filesize

      272KB

    • memory/316-46-0x0000000075220000-0x00000000759D0000-memory.dmp
      Filesize

      7.7MB

    • memory/316-15-0x0000000000400000-0x00000000004A8000-memory.dmp
      Filesize

      672KB

    • memory/316-35-0x0000000075220000-0x00000000759D0000-memory.dmp
      Filesize

      7.7MB

    • memory/316-34-0x0000000007F10000-0x0000000007F60000-memory.dmp
      Filesize

      320KB

    • memory/316-23-0x0000000075220000-0x00000000759D0000-memory.dmp
      Filesize

      7.7MB

    • memory/316-22-0x0000000005570000-0x00000000055D6000-memory.dmp
      Filesize

      408KB

    • memory/316-20-0x0000000075220000-0x00000000759D0000-memory.dmp
      Filesize

      7.7MB

    • memory/316-18-0x0000000075220000-0x00000000759D0000-memory.dmp
      Filesize

      7.7MB

    • memory/1328-4-0x000000000A770000-0x000000000A802000-memory.dmp
      Filesize

      584KB

    • memory/1328-11-0x0000000005E30000-0x0000000005EDE000-memory.dmp
      Filesize

      696KB

    • memory/1328-3-0x000000000AB40000-0x000000000B0E4000-memory.dmp
      Filesize

      5.6MB

    • memory/1328-10-0x0000000005C10000-0x0000000005CAC000-memory.dmp
      Filesize

      624KB

    • memory/1328-1-0x00000000003D0000-0x00000000004CC000-memory.dmp
      Filesize

      1008KB

    • memory/1328-19-0x0000000075220000-0x00000000759D0000-memory.dmp
      Filesize

      7.7MB

    • memory/1328-9-0x0000000075220000-0x00000000759D0000-memory.dmp
      Filesize

      7.7MB

    • memory/1328-0-0x000000007522E000-0x000000007522F000-memory.dmp
      Filesize

      4KB

    • memory/1328-8-0x000000007522E000-0x000000007522F000-memory.dmp
      Filesize

      4KB

    • memory/1328-7-0x0000000005C00000-0x0000000005C08000-memory.dmp
      Filesize

      32KB

    • memory/1328-6-0x0000000005170000-0x000000000517A000-memory.dmp
      Filesize

      40KB

    • memory/1328-5-0x0000000075220000-0x00000000759D0000-memory.dmp
      Filesize

      7.7MB

    • memory/1328-2-0x0000000004E20000-0x0000000004EE0000-memory.dmp
      Filesize

      768KB