Analysis

  • max time kernel
    151s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/01/2024, 03:59

General

  • Target
    ac15ae1e49f4272e8d38b5fd5573ce35.exe
  • Size 81KB
  • Sample240130-ej9hyshcgn
  • SHA256 c886e938dd26ca17bd29feea36d4c487483bb05d86b3c382e045b88925b27149
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealerium

C2
  • https://discordapp.com/api/webhooks/1197850806213431377/-zU9uA2NeaYEk4-ozdhgmNljI6NS_w_qcT_cbtxYxZdkUD3JeaKChZp4GXdod-MX3D1Q

Signatures

  • Detect ZGRat V1 34 IoCs
  • Stealerium

    An open source info stealer written in C# first seen in May 2022.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • 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 3 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.

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
    "C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
      C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
      2⤵
        PID:4972
      • C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
        C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
        2⤵
          PID:4032
        • C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
          C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
          2⤵
            PID:4484
          • C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
            C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
            2⤵
              PID:2808
            • C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
              C:\Users\Admin\AppData\Local\Temp\ac15ae1e49f4272e8d38b5fd5573ce35.exe
              2⤵
              • Checks computer location settings
              • Suspicious use of WriteProcessMemory
              PID:2492
              • C:\Users\Admin\AppData\Local\Temp\@dr@[email protected]
                "C:\Users\Admin\AppData\Local\Temp\@dr@[email protected]"
                3⤵
                • Checks computer location settings
                • Drops startup file
                • Executes dropped EXE
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2668
                • C:\Users\Admin\AppData\Local\Temp\CamSnap.exe
                  "C:\Users\Admin\AppData\Local\Temp\CamSnap.exe"
                  4⤵
                  • Executes dropped EXE
                  PID:4872
              • C:\Users\Admin\AppData\Local\Temp\build.exe
                "C:\Users\Admin\AppData\Local\Temp\build.exe"
                3⤵
                • Executes dropped EXE
                • Accesses Microsoft Outlook profiles
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                • outlook_office_path
                • outlook_win_path
                PID:5080
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1196
                  • C:\Windows\SysWOW64\chcp.com
                    chcp 65001
                    5⤵
                      PID:2224
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh wlan show profile
                      5⤵
                        PID:3132
                      • C:\Windows\SysWOW64\findstr.exe
                        findstr All
                        5⤵
                          PID:4604
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
                        4⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1268
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          5⤵
                            PID:2136
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh wlan show networks mode=bssid
                            5⤵
                              PID:4696
                    • C:\Windows\system32\msiexec.exe
                      C:\Windows\system32\msiexec.exe /V
                      1⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4596

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          Bookmarks.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\Browsers\Firefox\Bookmarks.txt
                          • Size 105B
                          • SHA256 c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
                          • MD5 SHA1 SHA512

                          OneDrive.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\Directories\OneDrive.txt
                          • Size 25B
                          • SHA256 8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e
                          • MD5 SHA1 SHA512

                          Videos.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\Directories\Videos.txt
                          • Size 23B
                          • SHA256 a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733
                          • MD5 SHA1 SHA512

                          Apps.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\System\Apps.txt
                          • Size 3KB
                          • SHA256 a46a3e56883deeb76a2eb8a9ec2d9deb6909fb7a41c6ce3daeec7ba424c72756
                          • MD5 SHA1 SHA512

                          Apps.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\System\Apps.txt
                          • Size 3KB
                          • SHA256 b686e65e742889dc1070905d0af9c5bbb3863c3655f0d2b23e69972bfbc80334
                          • MD5 SHA1 SHA512

                          Apps.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\System\Apps.txt
                          • Size 5KB
                          • SHA256 464943501c3413d695b38a23e9c9469dcbfd5f6c6b707e5f24ff4cbd804e7e0b
                          • MD5 SHA1 SHA512 SSDEEP

                          Debug.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\System\Debug.txt
                          • Size 320B
                          • SHA256 7bcff6f69534bcf8ee4f21fbc9c8fcac81a45ccd3e133509acde637c98688d2b
                          • MD5 SHA1 SHA512

                          Process.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\System\Process.txt
                          • Size 4KB
                          • SHA256 d22b973c3772c28a503341a6f77a6c642fa4b69253b5eea172ba8286b60c43f4
                          • MD5 SHA1 SHA512 SSDEEP

                          ProductKey.txt

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\Admin@NUPNSVML_en-US\System\ProductKey.txt
                          • Size 29B
                          • SHA256 f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3
                          • MD5 SHA1 SHA512

                          msgid.dat

                          • Path C:\Users\Admin\AppData\Local\65cfec66b6790d6c9bc71e6d41a10c45\msgid.dat
                          • Size 19B
                          • SHA256 e235e40e2fa2b83dc49634e773149985214ec962c69990df9a01823fc768f597
                          • MD5 SHA1 SHA512

                          ac15ae1e49f4272e8d38b5fd5573ce35.exe.log

                          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ac15ae1e49f4272e8d38b5fd5573ce35.exe.log
                          • Size 1KB
                          • SHA256 f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256
                          • MD5 SHA1 SHA512
                          • Path C:\Users\Admin\AppData\Local\Temp\@dr@[email protected]
                          • Size 1.4MB
                          • SHA256 217b622f49899705746c44ec149f3d6f307d294646790dc6e3d5a8abd1dd73ff
                          • MD5 SHA1 SHA512 SSDEEP

                          CamSnap.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\CamSnap.exe
                          • Size 94KB
                          • SHA256 09d95d73ac6828138201142cc519ac46a0456db2ea71240c3fa51d569b0242aa
                          • MD5 SHA1 SHA512 SSDEEP

                          Autofills.txt

                          • Path C:\Users\Admin\AppData\Local\Temp\Data\Autofills.txt
                          • Size 234B
                          • SHA256 5bc3a7ced261f235f4a30797ad96f803c9e022a95ad6bc7fedc06d0fd2a0abeb
                          • MD5 SHA1 SHA512

                          CreditCards.txt

                          • Path C:\Users\Admin\AppData\Local\Temp\Data\CreditCards.txt
                          • Size 238B
                          • SHA256 39059fc9bf3844dacbe329b623ca7a06f72656216dd4e52dc9b938b3d95289dc
                          • MD5 SHA1 SHA512

                          Downloads.txt

                          • Path C:\Users\Admin\AppData\Local\Temp\Data\Downloads.txt
                          • Size 234B
                          • SHA256 832ff6318e2c78ac1907c74f3911f8815b545c16449cbce6753e21fb723cb657
                          • MD5 SHA1 SHA512

                          Histories.txt

                          • Path C:\Users\Admin\AppData\Local\Temp\Data\Histories.txt
                          • Size 234B
                          • SHA256 eaff9c24df526e9c884832130bf6de9182fd96f3dcdba33e8e5e7a4ed37f1bbe
                          • MD5 SHA1 SHA512

                          Passwords.txt

                          • Path C:\Users\Admin\AppData\Local\Temp\Data\Passwords.txt
                          • Size 234B
                          • SHA256 8a947e0921f9cfada15c19a72f0ff31b38ad4602106c6ee95685d61c223c9a35
                          • MD5 SHA1 SHA512

                          build.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\build.exe
                          • Size 1.6MB
                          • SHA256 e8dd4e7a66f895aff9ba9616f4352af14135fe95be6594ed1d572c84a3e827e3
                          • MD5 SHA1 SHA512 SSDEEP

                          memory/2492-947-0x0000000000400000-0x0000000000C0A000-memory.dmp

                          memory/2492-946-0x00000000748F0000-0x00000000750A0000-memory.dmp

                          memory/2492-984-0x00000000748F0000-0x00000000750A0000-memory.dmp

                          memory/2492-950-0x00000000057D0000-0x00000000057DA000-memory.dmp

                          memory/2492-949-0x0000000005710000-0x00000000057A2000-memory.dmp

                          memory/2588-61-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-4-0x0000000005230000-0x0000000005236000-memory.dmp

                          memory/2588-45-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-47-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-49-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-51-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-53-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-55-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-57-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-59-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-13-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-63-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-65-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-67-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-69-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-938-0x00000000748F0000-0x00000000750A0000-memory.dmp

                          memory/2588-939-0x0000000004C70000-0x0000000004C71000-memory.dmp

                          memory/2588-940-0x0000000008AD0000-0x0000000008FD2000-memory.dmp

                          memory/2588-941-0x0000000006C70000-0x0000000006CBC000-memory.dmp

                          memory/2588-942-0x0000000007E30000-0x00000000083D4000-memory.dmp

                          memory/2588-31-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-11-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-0-0x00000000748F0000-0x00000000750A0000-memory.dmp

                          memory/2588-948-0x00000000748F0000-0x00000000750A0000-memory.dmp

                          memory/2588-39-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-37-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-43-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-29-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-41-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-1-0x0000000000880000-0x000000000089A000-memory.dmp

                          memory/2588-9-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-33-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-2-0x00000000052A0000-0x00000000052B0000-memory.dmp

                          memory/2588-35-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-7-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-25-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-6-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-5-0x0000000006EA0000-0x000000000740A000-memory.dmp

                          memory/2588-3-0x00000000012B0000-0x00000000012B6000-memory.dmp

                          memory/2588-27-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-15-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-23-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-21-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-19-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2588-17-0x0000000006EA0000-0x0000000007404000-memory.dmp

                          memory/2668-1002-0x000001CEEAE20000-0x000001CEEAE70000-memory.dmp

                          memory/2668-1046-0x00007FFCD1DC0000-0x00007FFCD2881000-memory.dmp

                          memory/2668-985-0x000001CEE8C90000-0x000001CEE8CA0000-memory.dmp

                          memory/2668-981-0x00007FFCD1DC0000-0x00007FFCD2881000-memory.dmp

                          memory/2668-979-0x000001CECE3F0000-0x000001CECE568000-memory.dmp

                          memory/4872-1001-0x00007FFCD1DC0000-0x00007FFCD2881000-memory.dmp

                          memory/4872-999-0x00007FFCD1DC0000-0x00007FFCD2881000-memory.dmp

                          memory/4872-998-0x0000019F72CD0000-0x0000019F72CEE000-memory.dmp

                          memory/5080-982-0x00000000748F0000-0x00000000750A0000-memory.dmp

                          memory/5080-1052-0x0000000006FC0000-0x0000000006FDE000-memory.dmp

                          memory/5080-1051-0x0000000006FA0000-0x0000000006FA8000-memory.dmp

                          memory/5080-1187-0x00000000748F0000-0x00000000750A0000-memory.dmp

                          memory/5080-1205-0x0000000005920000-0x0000000005930000-memory.dmp

                          memory/5080-1050-0x0000000006F90000-0x0000000006F9A000-memory.dmp

                          memory/5080-1049-0x0000000006170000-0x0000000006178000-memory.dmp

                          memory/5080-1048-0x0000000006140000-0x0000000006166000-memory.dmp

                          memory/5080-1240-0x0000000007160000-0x00000000071DA000-memory.dmp

                          memory/5080-1241-0x0000000005920000-0x0000000005930000-memory.dmp

                          memory/5080-1047-0x00000000060B0000-0x0000000006142000-memory.dmp

                          memory/5080-1000-0x0000000005920000-0x0000000005930000-memory.dmp

                          memory/5080-983-0x0000000005820000-0x0000000005886000-memory.dmp

                          memory/5080-1313-0x0000000007510000-0x00000000075C2000-memory.dmp

                          memory/5080-1315-0x0000000007610000-0x0000000007632000-memory.dmp

                          memory/5080-1316-0x0000000007E80000-0x00000000081D4000-memory.dmp

                          memory/5080-980-0x0000000000E40000-0x0000000000FD2000-memory.dmp

                          memory/5080-1328-0x0000000005920000-0x0000000005930000-memory.dmp