Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2024 01:28

General

  • Target

    0ecc90be340405861b10203bea0cf2fe20b621387d5c0bbc3bfd305d106e51e0.exe

  • Size

    1.0MB

  • MD5

    4bf854459e5cab115844cd52022b39e1

  • SHA1

    b988bbffa191607b4dd1c4db37100e1eeb913c26

  • SHA256

    0ecc90be340405861b10203bea0cf2fe20b621387d5c0bbc3bfd305d106e51e0

  • SHA512

    e249be2313ccc082e79a37a50dd510591f37136208d1621bfed26e12c50c0ff9bbe796d5f0d8ccba2ea7c24b3c7d409e7c7e31b4722abac35d2ea580a687a161

  • SSDEEP

    24576:qaxhlW7eS5NtKq7oulaeC6HicJEEEEEEEEEEEEEEEEEEEEwEEEEEEEEEEEEEEEEI:qSOKcaZcJEEEEEEEEEEEEEEEEEEEEwEL

Malware Config

Signatures

  • Detect ZGRat V1 20 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Executes dropped EXE 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0ecc90be340405861b10203bea0cf2fe20b621387d5c0bbc3bfd305d106e51e0.exe
    "C:\Users\Admin\AppData\Local\Temp\0ecc90be340405861b10203bea0cf2fe20b621387d5c0bbc3bfd305d106e51e0.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Libraries\TmphjusyO.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
        3⤵
          PID:2196
        • C:\Windows\SysWOW64\xcopy.exe
          xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
          3⤵
          • Enumerates system info in registry
          PID:2440
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
          3⤵
            PID:2396
          • C:\Windows\SysWOW64\xcopy.exe
            xcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y
            3⤵
            • Enumerates system info in registry
            PID:2392
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
            3⤵
              PID:2412
            • C:\Windows\SysWOW64\xcopy.exe
              xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
              3⤵
              • Enumerates system info in registry
              PID:2428
            • C:\Windows \System32\easinvoker.exe
              "C:\Windows \System32\easinvoker.exe"
              3⤵
              • Executes dropped EXE
              PID:2472
            • C:\Windows \System32\easinvoker.exe
              "C:\Windows \System32\easinvoker.exe"
              3⤵
              • Executes dropped EXE
              PID:556
          • C:\Windows\SysWOW64\extrac32.exe
            C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\0ecc90be340405861b10203bea0cf2fe20b621387d5c0bbc3bfd305d106e51e0.exe C:\\Users\\Public\\Libraries\\Tmphjusy.PIF
            2⤵
              PID:1592
            • C:\Users\Public\Libraries\ysujhpmT.pif
              C:\Users\Public\Libraries\ysujhpmT.pif
              2⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2696

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Privilege Escalation

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Defense Evasion

          Modify Registry

          1
          T1112

          Credential Access

          Unsecured Credentials

          4
          T1552

          Credentials In Files

          3
          T1552.001

          Credentials in Registry

          1
          T1552.002

          Discovery

          System Information Discovery

          2
          T1082

          Query Registry

          1
          T1012

          Collection

          Data from Local System

          4
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
            Filesize

            68KB

            MD5

            29f65ba8e88c063813cc50a4ea544e93

            SHA1

            05a7040d5c127e68c25d81cc51271ffb8bef3568

            SHA256

            1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

            SHA512

            e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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

            177KB

            MD5

            435a9ac180383f9fa094131b173a2f7b

            SHA1

            76944ea657a9db94f9a4bef38f88c46ed4166983

            SHA256

            67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

            SHA512

            1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

          • C:\Users\Public\Libraries\TmphjusyO.bat
            Filesize

            29KB

            MD5

            828ffbf60677999579dafe4bf3919c63

            SHA1

            a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc

            SHA256

            abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d

            SHA512

            bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e

          • C:\Users\Public\Libraries\netutils.dll
            Filesize

            112KB

            MD5

            6baaea4d3a65281b55173738795eb02c

            SHA1

            1fbe7ec7f5e2d1fb0ab1807e149eee66a86f9224

            SHA256

            0007fa57da2e1de2e487492d00b99abaeca7e9f9cac8a10e24eb569e19f76ee1

            SHA512

            af0285cf961aeae960ede41f195809e9b84ccb262f17f2e994da5c599ebdf712788e5a3f2e0e2ed16e67aa888bdabfd7a6096ad8dda2d062d2f82b010e81d5c5

          • C:\Users\Public\Libraries\ysujhpmT.pif
            Filesize

            66KB

            MD5

            c116d3604ceafe7057d77ff27552c215

            SHA1

            452b14432fb5758b46f2897aeccd89f7c82a727d

            SHA256

            7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

            SHA512

            9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

          • C:\Windows \System32\easinvoker.exe
            Filesize

            128KB

            MD5

            231ce1e1d7d98b44371ffff407d68b59

            SHA1

            25510d0f6353dbf0c9f72fc880de7585e34b28ff

            SHA256

            30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

            SHA512

            520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

          • memory/1368-0-0x0000000000230000-0x0000000000231000-memory.dmp
            Filesize

            4KB

          • memory/1368-2-0x0000000000400000-0x000000000050A000-memory.dmp
            Filesize

            1.0MB

          • memory/2696-95-0x0000000000400000-0x0000000001400000-memory.dmp
            Filesize

            16.0MB

          • memory/2696-99-0x0000000000400000-0x0000000001400000-memory.dmp
            Filesize

            16.0MB

          • memory/2696-102-0x000000004BF60000-0x000000004BFA0000-memory.dmp
            Filesize

            256KB

          • memory/2696-101-0x0000000074A40000-0x000000007512E000-memory.dmp
            Filesize

            6.9MB

          • memory/2696-104-0x000000004BF60000-0x000000004BFA0000-memory.dmp
            Filesize

            256KB

          • memory/2696-103-0x000000004BF60000-0x000000004BFA0000-memory.dmp
            Filesize

            256KB

          • memory/2696-100-0x00000000499C0000-0x0000000049A1C000-memory.dmp
            Filesize

            368KB

          • memory/2696-105-0x0000000049A20000-0x0000000049A7A000-memory.dmp
            Filesize

            360KB

          • memory/2696-107-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-121-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-127-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-135-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-151-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-159-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-163-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-161-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-157-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-155-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-153-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-149-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-147-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-145-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-143-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-141-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-139-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-137-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-133-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-131-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-129-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-125-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-123-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-119-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-117-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-115-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-113-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-111-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-109-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-106-0x0000000049A20000-0x0000000049A75000-memory.dmp
            Filesize

            340KB

          • memory/2696-1180-0x000000004BF60000-0x000000004BFA0000-memory.dmp
            Filesize

            256KB

          • memory/2696-1182-0x0000000074A40000-0x000000007512E000-memory.dmp
            Filesize

            6.9MB

          • memory/2696-1184-0x000000004BF60000-0x000000004BFA0000-memory.dmp
            Filesize

            256KB

          • memory/2696-1183-0x000000004BF60000-0x000000004BFA0000-memory.dmp
            Filesize

            256KB

          • memory/2696-1186-0x000000004BF60000-0x000000004BFA0000-memory.dmp
            Filesize

            256KB

          • memory/2696-1187-0x000000004BF60000-0x000000004BFA0000-memory.dmp
            Filesize

            256KB

          • memory/2712-75-0x0000000002260000-0x0000000002261000-memory.dmp
            Filesize

            4KB