Analysis

  • max time kernel
    299s
  • max time network
    179s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    27-03-2023 22:17

General

  • Target

    b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe

  • Size

    3.4MB

  • MD5

    23f11a7d3c4598a480da9dffa64c07d7

  • SHA1

    49c861957c9d335afa9775195f8eea0242c6039b

  • SHA256

    b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6

  • SHA512

    e8f765e74e71d72a7b7b26dbf4b105556df5deab62caa0e7c621c0353ffe1e75ba4fb5bea5a1ef8c29a4dd5c9d48a86847f3178390b44ff9c2d98768e2c52eb1

  • SSDEEP

    98304:BJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRVq:B8D/yIqlhlW4i/QsnwZzjMSeVq

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • 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
  • Modifies file permissions 1 TTPs 3 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe
    "C:\Users\Admin\AppData\Local\Temp\b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\SysWOW64\icacls.exe
        "C:\Windows\System32\icacls.exe" "C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
        3⤵
        • Modifies file permissions
        PID:4108
      • C:\Windows\SysWOW64\icacls.exe
        "C:\Windows\System32\icacls.exe" "C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8" /inheritance:e /deny "admin:(R,REA,RA,RD)"
        3⤵
        • Modifies file permissions
        PID:1924
      • C:\Windows\SysWOW64\icacls.exe
        "C:\Windows\System32\icacls.exe" "C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
        3⤵
        • Modifies file permissions
        PID:1340
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /CREATE /TN "OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8" /TR "C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8.exe" /SC MINUTE
        3⤵
        • Creates scheduled task(s)
        PID:3000
      • C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8.exe
        "C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8.exe" "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        PID:3600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 400
      2⤵
      • Program crash
      PID:4968
  • C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8.exe
    C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Checks whether UAC is enabled
    PID:3716

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8.exe
    Filesize

    824.1MB

    MD5

    479e6e2353d3450a7674219403bd4ff1

    SHA1

    4839c09a4c7504210f9475800b97bea8f78ba61d

    SHA256

    22dfa9de349f7c3821cd833d159f8ebab0400d2dee2cd86ab3c8d301b89aa355

    SHA512

    33d948b99f6c87c06b43ad70b67ee2ac8690b29964896cbb4ed73559654b523ccfaf740a8ad69bb60470796d9a1ff4fb90fad34bb0fdecfb0787d0e88d09e7f4

  • C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8.exe
    Filesize

    824.1MB

    MD5

    479e6e2353d3450a7674219403bd4ff1

    SHA1

    4839c09a4c7504210f9475800b97bea8f78ba61d

    SHA256

    22dfa9de349f7c3821cd833d159f8ebab0400d2dee2cd86ab3c8d301b89aa355

    SHA512

    33d948b99f6c87c06b43ad70b67ee2ac8690b29964896cbb4ed73559654b523ccfaf740a8ad69bb60470796d9a1ff4fb90fad34bb0fdecfb0787d0e88d09e7f4

  • C:\ProgramData\OracleWindowsHolographicDevices-type2.3.0.8\OracleWindowsHolographicDevices-type2.3.0.8.exe
    Filesize

    824.1MB

    MD5

    479e6e2353d3450a7674219403bd4ff1

    SHA1

    4839c09a4c7504210f9475800b97bea8f78ba61d

    SHA256

    22dfa9de349f7c3821cd833d159f8ebab0400d2dee2cd86ab3c8d301b89aa355

    SHA512

    33d948b99f6c87c06b43ad70b67ee2ac8690b29964896cbb4ed73559654b523ccfaf740a8ad69bb60470796d9a1ff4fb90fad34bb0fdecfb0787d0e88d09e7f4

  • memory/3600-155-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3600-153-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3600-154-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3600-148-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3600-151-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3600-152-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3716-160-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3716-159-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3716-158-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/3716-157-0x00007FF7D4CC0000-0x00007FF7D51DF000-memory.dmp
    Filesize

    5.1MB

  • memory/4356-127-0x00000000095D0000-0x00000000095DA000-memory.dmp
    Filesize

    40KB

  • memory/4356-126-0x0000000009620000-0x00000000096B2000-memory.dmp
    Filesize

    584KB

  • memory/4356-118-0x0000000000400000-0x000000000075C000-memory.dmp
    Filesize

    3.4MB

  • memory/4356-125-0x0000000009C40000-0x000000000A13E000-memory.dmp
    Filesize

    5.0MB

  • memory/4356-128-0x0000000005620000-0x0000000005630000-memory.dmp
    Filesize

    64KB

  • memory/4356-131-0x0000000005620000-0x0000000005630000-memory.dmp
    Filesize

    64KB

  • memory/4356-130-0x0000000005620000-0x0000000005630000-memory.dmp
    Filesize

    64KB

  • memory/4356-129-0x0000000005620000-0x0000000005630000-memory.dmp
    Filesize

    64KB