Overview

overview

9

Static

static

8

e8002fbc4b...ad.msi

windows7_x64

9

e8002fbc4b...ad.msi

windows10_x64

9

Analysis

  • max time kernel
    123s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    08/10/2020, 07:38

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General

  • Target
    e8002fbc4bd5e57fd317fb99e3bb2bc8965e94761e37757aed51f3f21486c0ad.msi
  • Size 6.7MB
  • Sample201008-34xyn95xde
  • SHA256 e8002fbc4bd5e57fd317fb99e3bb2bc8965e94761e37757aed51f3f21486c0ad
  • MD5 SHA1 SHA512
Score
9/10
spywarediscoveryevasiontrojanpersistence

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Blacklisted process makes network request 3 IoCs
  • Executes dropped EXE 16 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 39 IoCs
  • Reads user/profile data of local email clients 2 TTPs

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

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • JavaScript code in executable 1 IoCs
  • Modifies service 2 TTPs 147 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 14 IoCs
  • Program crash 1 IoCs
  • Delays execution with timeout.exe 2 IoCs
    evasion
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies data under HKEY_USERS 47 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 111 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 136 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\e8002fbc4bd5e57fd317fb99e3bb2bc8965e94761e37757aed51f3f21486c0ad.msi
    1⤵
    • Blacklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:284
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Modifies service
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E918B2DFC027537D4D15D07420A4B6AD
      2⤵
      • Loads dropped DLL
      • Modifies Control Panel
      • Suspicious use of WriteProcessMemory
      PID:1836
      • C:\Windows\SysWOW64\expand.exe
        "C:\Windows\System32\expand.exe" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:1124
      • C:\Users\Admin\AppData\Local\Temp\MW-2bf9e2f4-b7df-4c3a-a0b9-69f81f0f872c\files\Setup.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-2bf9e2f4-b7df-4c3a-a0b9-69f81f0f872c\files\Setup.exe" /SP- /VERYSILENT
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1660
        • C:\Users\Admin\AppData\Local\Temp\is-MVS5M.tmp\Setup.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-MVS5M.tmp\Setup.tmp" /SL5="$10168,6651823,721408,C:\Users\Admin\AppData\Local\Temp\MW-2bf9e2f4-b7df-4c3a-a0b9-69f81f0f872c\files\Setup.exe" /SP- /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:520
          • C:\Program Files (x86)\build.exe
            "C:\Program Files (x86)\build.exe"
            5⤵
            • Executes dropped EXE
            PID:1072
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 556
              6⤵
              • Loads dropped DLL
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              PID:1472
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\ProgramData\AuEyy\MMF2.vbs"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:272
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\ProgramData\AuEyy\main.bat" "
              6⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1940
              • C:\Windows\SysWOW64\mode.com
                mode 65,10
                7⤵
                  PID:1088
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e file.zip -p___________15024pwd10466pwd8827___________ -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1544
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_10.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of AdjustPrivilegeToken
                  PID:796
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_9.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1484
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_8.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1044
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_7.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1124
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_6.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1088
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_5.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1044
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_4.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1840
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_3.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1592
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_2.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1976
                • C:\ProgramData\AuEyy\7z.exe
                  7z.exe e extracted/file_1.zip -oextracted
                  7⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1832
                • C:\ProgramData\AuEyy\Setup.exe
                  "Setup.exe"
                  7⤵
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Loads dropped DLL
                  • Checks whether UAC is enabled
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1080
                  • C:\ProgramData\AuEyy\Setup.exe
                    "Setup.exe"
                    8⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Modifies system certificate store
                    PID:1400
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\ProgramData\AuEyy\Setup.exe"
                      9⤵
                        PID:1608
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout /T 10 /NOBREAK
                          10⤵
                          • Delays execution with timeout.exe
                          PID:860
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c ""C:\ProgramData\AuEyy\DiskRemoval.bat" "
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1516
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /T 60 /NOBREAK
                    7⤵
                    • Delays execution with timeout.exe
                    PID:1404
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c rd /s /q "C:\Users\Admin\AppData\Local\Temp\MW-2bf9e2f4-b7df-4c3a-a0b9-69f81f0f872c\files"
            3⤵
              PID:1068
          • C:\Windows\syswow64\MsiExec.exe
            C:\Windows\syswow64\MsiExec.exe -Embedding A77149A374E92AFC9903D451C79FF324 M Global\MSI0000
            2⤵
            • Loads dropped DLL
            PID:1080
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Modifies service
          • Suspicious use of AdjustPrivilegeToken
          PID:2024
        • C:\Windows\system32\DrvInst.exe
          DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot12" "" "" "6d110b0a3" "0000000000000000" "00000000000005B0" "00000000000005A4"
          1⤵
          • Drops file in Windows directory
          • Modifies data under HKEY_USERS
          • Suspicious use of AdjustPrivilegeToken
          PID:1068

        Network

              MITRE ATT&CK Enterprise v6

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              Downloads

              memory/272-67-0x00000000027F0000-0x00000000027F4000-memory.dmp
              Download

              memory/284-3-0x0000000003FB0000-0x0000000003FB4000-memory.dmp
              Download

              memory/284-108-0x0000000002270000-0x0000000002274000-memory.dmp
              Download

              memory/284-11-0x0000000003FB0000-0x0000000003FB4000-memory.dmp
              Download

              memory/284-6-0x0000000005670000-0x0000000005674000-memory.dmp
              Download

              memory/284-5-0x0000000005670000-0x0000000005674000-memory.dmp
              Download

              memory/284-0-0x0000000003270000-0x0000000003274000-memory.dmp
              Download

              memory/284-8-0x0000000005670000-0x0000000005674000-memory.dmp
              Download

              memory/1072-50-0x0000000073680000-0x0000000073D6E000-memory.dmp
              Download

              memory/1072-93-0x0000000001260000-0x0000000001261000-memory.dmp
              Download

              memory/1080-143-0x0000000073680000-0x0000000073D6E000-memory.dmp
              Download

              memory/1080-144-0x0000000001100000-0x0000000001101000-memory.dmp
              Download

              memory/1080-149-0x0000000000B50000-0x0000000000B56000-memory.dmp
              Download

              memory/1080-146-0x00000000005C0000-0x00000000005E5000-memory.dmp
              Download

              memory/1400-154-0x0000000000400000-0x0000000000493000-memory.dmp
              Download

              memory/1400-151-0x0000000000400000-0x0000000000493000-memory.dmp
              Download

              memory/1472-113-0x0000000001D50000-0x0000000001D61000-memory.dmp
              Download

              memory/1472-131-0x0000000002490000-0x00000000024A1000-memory.dmp
              Download

              memory/1604-21-0x0000000001B90000-0x0000000001B94000-memory.dmp
              Download

              memory/1604-57-0x0000000000BC0000-0x0000000000BC2000-memory.dmp
              Download

              memory/1604-46-0x0000000000BC0000-0x0000000000BC2000-memory.dmp
              Download

              memory/1604-86-0x0000000001A30000-0x0000000001A34000-memory.dmp
              Download

              memory/1604-20-0x0000000000BA0000-0x0000000000BA2000-memory.dmp
              Download

              memory/1604-22-0x0000000001A30000-0x0000000001A34000-memory.dmp
              Download

              memory/1604-101-0x0000000005450000-0x0000000005454000-memory.dmp
              Download

              memory/1604-80-0x0000000005450000-0x0000000005454000-memory.dmp
              Download

              memory/1784-155-0x000007FEF8040000-0x000007FEF82BA000-memory.dmp
              Download