Analysis

  • max time kernel
    67s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 22:54

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample240929-2vhwpsybla
  • SHA256 961decde48c4a3898558d65313b6be79fd2722cc5b08301879905ab654e84dfe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.42

Botnet
  • 9c9aa5

C2
  • http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family
  • stealc

Botnet
  • doma

C2
  • http://185.215.113.37

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Stealc

    Stealc is an infostealer written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 37 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy remotesigned -File "C:\Users\Admin\AppData\Local\Temp\1000106041\ko.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1336
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd --kiosk
          4⤵
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:2424
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef7389758,0x7fef7389768,0x7fef7389778
            5⤵
              PID:2900
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1156 --field-trial-handle=1376,i,17388514855101571466,2970352762227367788,131072 /prefetch:2
              5⤵
                PID:2952
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1500 --field-trial-handle=1376,i,17388514855101571466,2970352762227367788,131072 /prefetch:8
                5⤵
                  PID:1408
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1604 --field-trial-handle=1376,i,17388514855101571466,2970352762227367788,131072 /prefetch:8
                  5⤵
                    PID:2056
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2284 --field-trial-handle=1376,i,17388514855101571466,2970352762227367788,131072 /prefetch:1
                    5⤵
                      PID:2252
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2292 --field-trial-handle=1376,i,17388514855101571466,2970352762227367788,131072 /prefetch:1
                      5⤵
                        PID:2436
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1400 --field-trial-handle=1376,i,17388514855101571466,2970352762227367788,131072 /prefetch:2
                        5⤵
                          PID:2744
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3396 --field-trial-handle=1376,i,17388514855101571466,2970352762227367788,131072 /prefetch:8
                          5⤵
                            PID:1688
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3528 --field-trial-handle=1376,i,17388514855101571466,2970352762227367788,131072 /prefetch:1
                            5⤵
                              PID:2024
                        • C:\Users\Admin\AppData\Local\Temp\1000113001\num.exe
                          "C:\Users\Admin\AppData\Local\Temp\1000113001\num.exe"
                          3⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1516
                    • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                      1⤵
                        PID:1776

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            2d99afcb96.exe

                            • Path C:\Users\Admin\1000115002\2d99afcb96.exe
                            • Size 144KB
                            • SHA256 1e81221febfa2750311fa0aea08e66dc1497fc719fbb38c21051d353e6cad1b6
                            • MD5 SHA1 SHA512 SSDEEP

                            77f33eb1-9d64-469c-8b36-3c8a8ddf44d4.tmp

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\77f33eb1-9d64-469c-8b36-3c8a8ddf44d4.tmp
                            • Size 6KB
                            • SHA256 b6d3038e884952795518d56f2ce8185d97bc76a43fb1ee5de3c7175719658971
                            • MD5 SHA1 SHA512 SSDEEP

                            000006.dbtmp

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp
                            • Size 16B
                            • SHA256 4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611
                            • MD5 SHA1 SHA512

                            data_1

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
                            • Size 264KB
                            • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                            • MD5 SHA1 SHA512 SSDEEP

                            Network Persistent State

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                            • Size 987B
                            • SHA256 657bf2551830c006fd81241848a52637e8b10dd7d56cfe984afcac625643f2ac
                            • MD5 SHA1 SHA512

                            TransportSecurity

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                            • Size 524B
                            • SHA256 ec5310811a7f8a40d52edb44a038898f63b22a16b0627df1533686976ba59efb
                            • MD5 SHA1 SHA512

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                            • Size 5KB
                            • SHA256 4480eb187a0737507183bd69071e2b57e43c96e8d6be4dc15f989fe2be3428bb
                            • MD5 SHA1 SHA512 SSDEEP

                            000007.dbtmp

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp
                            • Size 16B
                            • SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
                            • MD5 SHA1 SHA512

                            ko.ps1

                            • Path C:\Users\Admin\AppData\Local\Temp\1000106041\ko.ps1
                            • Size 719B
                            • SHA256 6a5f49eac48de80cd6b6bcb2b554b3d3c89ef097052f8070a4af47ba7e3a6bd0
                            • MD5 SHA1 SHA512

                            num.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\1000113001\num.exe
                            • Size 307KB
                            • SHA256 27e4a3627d7df2b22189dd4bebc559ae1986d49a8f4e35980b428fadb66cf23d
                            • MD5 SHA1 SHA512 SSDEEP

                            skotes.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
                            • Size 1.8MB
                            • SHA256 961decde48c4a3898558d65313b6be79fd2722cc5b08301879905ab654e84dfe
                            • MD5 SHA1 SHA512 SSDEEP

                            memory/1516-114-0x0000000000920000-0x0000000000B81000-memory.dmp

                            memory/1516-95-0x0000000000920000-0x0000000000B81000-memory.dmp

                            memory/2480-1-0x0000000077DB0000-0x0000000077DB2000-memory.dmp

                            memory/2480-0-0x0000000001310000-0x00000000017DA000-memory.dmp

                            memory/2480-3-0x0000000001310000-0x00000000017DA000-memory.dmp

                            memory/2480-2-0x0000000001311000-0x000000000133F000-memory.dmp

                            memory/2480-16-0x0000000006E70000-0x000000000733A000-memory.dmp

                            memory/2480-15-0x0000000001310000-0x00000000017DA000-memory.dmp

                            memory/2480-10-0x0000000001310000-0x00000000017DA000-memory.dmp

                            memory/2480-5-0x0000000001310000-0x00000000017DA000-memory.dmp

                            memory/2828-93-0x0000000006420000-0x0000000006681000-memory.dmp

                            memory/2828-175-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-38-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-25-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-24-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-115-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-132-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-134-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-23-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-160-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-22-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-92-0x0000000006420000-0x0000000006681000-memory.dmp

                            memory/2828-176-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-183-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-20-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-19-0x0000000000981000-0x00000000009AF000-memory.dmp

                            memory/2828-18-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-208-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-209-0x0000000006420000-0x0000000006681000-memory.dmp

                            memory/2828-210-0x0000000006420000-0x0000000006681000-memory.dmp

                            memory/2828-211-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-212-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-213-0x0000000000980000-0x0000000000E4A000-memory.dmp

                            memory/2828-214-0x0000000000980000-0x0000000000E4A000-memory.dmp