Analysis

  • max time kernel
    143s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    01/05/2024, 01:40

General

  • Target
    815329af40c012e99c3adba70ebff5014fbde645b8e433344f51966d34580283.exe
  • Size 1.4MB
  • Sample240501-b33b7sda4x
  • SHA256 815329af40c012e99c3adba70ebff5014fbde645b8e433344f51966d34580283
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect ZGRat V1 33 IoCs
  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 33 IoCs
  • ModiLoader Second Stage 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\815329af40c012e99c3adba70ebff5014fbde645b8e433344f51966d34580283.exe
    "C:\Users\Admin\AppData\Local\Temp\815329af40c012e99c3adba70ebff5014fbde645b8e433344f51966d34580283.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\extrac32.exe
      C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\815329af40c012e99c3adba70ebff5014fbde645b8e433344f51966d34580283.exe C:\\Users\\Public\\Libraries\\Tbykekua.PIF
      2⤵
        PID:2756
      • C:\Users\Public\Libraries\aukekybT.pif
        C:\Users\Public\Libraries\aukekybT.pif
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2784

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
          • Size 68KB
          • SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
          • MD5 SHA1 SHA512 SSDEEP

          Tar3412.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Tar3412.tmp
          • Size 177KB
          • SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
          • MD5 SHA1 SHA512 SSDEEP

          aukekybT.pif

          • Path \Users\Public\Libraries\aukekybT.pif
          • Size 66KB
          • SHA256 7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
          • MD5 SHA1 SHA512 SSDEEP

          memory/2208-0-0x0000000000220000-0x0000000000221000-memory.dmp

          memory/2208-1-0x0000000000400000-0x000000000056F000-memory.dmp

          memory/2784-97-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-89-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-58-0x000000004C0E0000-0x000000004C120000-memory.dmp

          memory/2784-57-0x0000000074650000-0x0000000074D3E000-memory.dmp

          memory/2784-59-0x0000000049650000-0x00000000496AC000-memory.dmp

          memory/2784-60-0x000000004C0E0000-0x000000004C120000-memory.dmp

          memory/2784-61-0x0000000049800000-0x000000004985A000-memory.dmp

          memory/2784-115-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-113-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-117-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-111-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-109-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-107-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-105-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-103-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-101-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-99-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-53-0x0000000000400000-0x0000000001400000-memory.dmp

          memory/2784-95-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-93-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-91-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-56-0x0000000000400000-0x0000000001400000-memory.dmp

          memory/2784-87-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-65-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-85-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-83-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-81-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-79-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-77-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-75-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-73-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-71-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-63-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-69-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-67-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-62-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-121-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-119-0x0000000049800000-0x0000000049854000-memory.dmp

          memory/2784-1134-0x000000004C0E0000-0x000000004C120000-memory.dmp

          memory/2784-1136-0x0000000074650000-0x0000000074D3E000-memory.dmp

          memory/2784-1137-0x000000004C0E0000-0x000000004C120000-memory.dmp

          memory/2784-1138-0x000000004C0E0000-0x000000004C120000-memory.dmp