Analysis

  • max time kernel
    118s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    15-02-2022 06:54

General

  • Target

    b543353168aed0d8f97bf242c27cebcae520a36aabbd5feddf3331611ec5afc9.exe

  • Size

    6.1MB

  • MD5

    d17ddf62b40c19e794160069d3e970ae

  • SHA1

    d0371179c03af231a8b07d175141944cb32a5115

  • SHA256

    b543353168aed0d8f97bf242c27cebcae520a36aabbd5feddf3331611ec5afc9

  • SHA512

    5b1a40e9a2399c6bb7dffd4340859a91a3acc6b8f28e7cafdc1d8df74be1f8a2bb63e76f14305788654f862f3247805cbcf3a94059496e154b5bd239e4eebc7f

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Themida packer 23 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b543353168aed0d8f97bf242c27cebcae520a36aabbd5feddf3331611ec5afc9.exe
    "C:\Users\Admin\AppData\Local\Temp\b543353168aed0d8f97bf242c27cebcae520a36aabbd5feddf3331611ec5afc9.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\droopt\before.exe
      "C:\Users\Admin\AppData\Local\Temp\droopt\before.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Drops startup file
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
        "C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: AddClipboardFormatListener
        PID:1200
    • C:\Users\Admin\AppData\Local\Temp\droopt\cleoidvp.exe
      "C:\Users\Admin\AppData\Local\Temp\droopt\cleoidvp.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\yrslnejiua.vbs"
        3⤵
          PID:1680
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wsgpbqpan.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:1064

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    4
    T1082

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\droopt\before.exe
      MD5

      8aee61bc611aa64b3f208f3a078c0b9d

      SHA1

      fbd8b1f97262825748f2314ea5357c513928d450

      SHA256

      c83e1a89de66553006542f3d2906b833bd0eec1eaaf9d6a7a791ff2224055e55

      SHA512

      a842860b4932d89911731e634b35707affca7977fa08e3f0a874661cd3da63c34d048c9203d670108726b3a0a94e173dff7eccb8c18b3cadf2233098e7e70439

    • C:\Users\Admin\AppData\Local\Temp\droopt\before.exe
      MD5

      8aee61bc611aa64b3f208f3a078c0b9d

      SHA1

      fbd8b1f97262825748f2314ea5357c513928d450

      SHA256

      c83e1a89de66553006542f3d2906b833bd0eec1eaaf9d6a7a791ff2224055e55

      SHA512

      a842860b4932d89911731e634b35707affca7977fa08e3f0a874661cd3da63c34d048c9203d670108726b3a0a94e173dff7eccb8c18b3cadf2233098e7e70439

    • C:\Users\Admin\AppData\Local\Temp\droopt\cleoidvp.exe
      MD5

      dc8d694f9146f0612c47d12c2d1f207a

      SHA1

      210209e9bd1ebfc68febb35e419657e8f279151c

      SHA256

      8f62751fd75e19987374eaaf8c14ba2d689514c9677c00324b267a90513606c9

      SHA512

      5cf6836af46438886b1844f762939d43603555fcee45d6dc52da56f2912b06e496742b83f01817009d9cebdeba0b0912ecee9115252e70d131a7fed8cec19191

    • C:\Users\Admin\AppData\Local\Temp\droopt\cleoidvp.exe
      MD5

      dc8d694f9146f0612c47d12c2d1f207a

      SHA1

      210209e9bd1ebfc68febb35e419657e8f279151c

      SHA256

      8f62751fd75e19987374eaaf8c14ba2d689514c9677c00324b267a90513606c9

      SHA512

      5cf6836af46438886b1844f762939d43603555fcee45d6dc52da56f2912b06e496742b83f01817009d9cebdeba0b0912ecee9115252e70d131a7fed8cec19191

    • C:\Users\Admin\AppData\Local\Temp\wsgpbqpan.vbs
      MD5

      4864d00d02f74079a69eafa9110d30e9

      SHA1

      c7945334e5c4ce155e12d849cbf3add64ce4cc21

      SHA256

      c3ed64b58f92539f973a153a2cad0b489e2b57852bf518b98b4b80437e5d5011

      SHA512

      3d010c589c000f61d8f8506cf1e669c2c357fe7f823fce59c3731207a9b770e9829a484c9699bdd62bc3cec6424684d24c4f2e095dabcc501d415b1923f3266a

    • C:\Users\Admin\AppData\Local\Temp\yrslnejiua.vbs
      MD5

      fa6215e58d2dc27bdecc54f43e26081e

      SHA1

      48b81f22042099162227b42009228220b01b415b

      SHA256

      64e4ee186051b7ddc10516fba8e9be5d6f5bdd092b4487959d5201e78943e66c

      SHA512

      1affbd82a3e7807967b7e98ce958425fd7e42e96324b70b94107577488d9825ee820a8097efe2f61cf7cdc3343278ed08be8a00ee8157f7062bae79de4ca097d

    • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      MD5

      8aee61bc611aa64b3f208f3a078c0b9d

      SHA1

      fbd8b1f97262825748f2314ea5357c513928d450

      SHA256

      c83e1a89de66553006542f3d2906b833bd0eec1eaaf9d6a7a791ff2224055e55

      SHA512

      a842860b4932d89911731e634b35707affca7977fa08e3f0a874661cd3da63c34d048c9203d670108726b3a0a94e173dff7eccb8c18b3cadf2233098e7e70439

    • \Users\Admin\AppData\Local\Temp\droopt\before.exe
      MD5

      8aee61bc611aa64b3f208f3a078c0b9d

      SHA1

      fbd8b1f97262825748f2314ea5357c513928d450

      SHA256

      c83e1a89de66553006542f3d2906b833bd0eec1eaaf9d6a7a791ff2224055e55

      SHA512

      a842860b4932d89911731e634b35707affca7977fa08e3f0a874661cd3da63c34d048c9203d670108726b3a0a94e173dff7eccb8c18b3cadf2233098e7e70439

    • \Users\Admin\AppData\Local\Temp\droopt\before.exe
      MD5

      8aee61bc611aa64b3f208f3a078c0b9d

      SHA1

      fbd8b1f97262825748f2314ea5357c513928d450

      SHA256

      c83e1a89de66553006542f3d2906b833bd0eec1eaaf9d6a7a791ff2224055e55

      SHA512

      a842860b4932d89911731e634b35707affca7977fa08e3f0a874661cd3da63c34d048c9203d670108726b3a0a94e173dff7eccb8c18b3cadf2233098e7e70439

    • \Users\Admin\AppData\Local\Temp\droopt\cleoidvp.exe
      MD5

      dc8d694f9146f0612c47d12c2d1f207a

      SHA1

      210209e9bd1ebfc68febb35e419657e8f279151c

      SHA256

      8f62751fd75e19987374eaaf8c14ba2d689514c9677c00324b267a90513606c9

      SHA512

      5cf6836af46438886b1844f762939d43603555fcee45d6dc52da56f2912b06e496742b83f01817009d9cebdeba0b0912ecee9115252e70d131a7fed8cec19191

    • \Users\Admin\AppData\Local\Temp\droopt\cleoidvp.exe
      MD5

      dc8d694f9146f0612c47d12c2d1f207a

      SHA1

      210209e9bd1ebfc68febb35e419657e8f279151c

      SHA256

      8f62751fd75e19987374eaaf8c14ba2d689514c9677c00324b267a90513606c9

      SHA512

      5cf6836af46438886b1844f762939d43603555fcee45d6dc52da56f2912b06e496742b83f01817009d9cebdeba0b0912ecee9115252e70d131a7fed8cec19191

    • \Users\Admin\AppData\Local\Temp\droopt\cleoidvp.exe
      MD5

      dc8d694f9146f0612c47d12c2d1f207a

      SHA1

      210209e9bd1ebfc68febb35e419657e8f279151c

      SHA256

      8f62751fd75e19987374eaaf8c14ba2d689514c9677c00324b267a90513606c9

      SHA512

      5cf6836af46438886b1844f762939d43603555fcee45d6dc52da56f2912b06e496742b83f01817009d9cebdeba0b0912ecee9115252e70d131a7fed8cec19191

    • \Users\Admin\AppData\Local\Temp\nsy17E5.tmp\UAC.dll
      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      MD5

      8aee61bc611aa64b3f208f3a078c0b9d

      SHA1

      fbd8b1f97262825748f2314ea5357c513928d450

      SHA256

      c83e1a89de66553006542f3d2906b833bd0eec1eaaf9d6a7a791ff2224055e55

      SHA512

      a842860b4932d89911731e634b35707affca7977fa08e3f0a874661cd3da63c34d048c9203d670108726b3a0a94e173dff7eccb8c18b3cadf2233098e7e70439

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      MD5

      8aee61bc611aa64b3f208f3a078c0b9d

      SHA1

      fbd8b1f97262825748f2314ea5357c513928d450

      SHA256

      c83e1a89de66553006542f3d2906b833bd0eec1eaaf9d6a7a791ff2224055e55

      SHA512

      a842860b4932d89911731e634b35707affca7977fa08e3f0a874661cd3da63c34d048c9203d670108726b3a0a94e173dff7eccb8c18b3cadf2233098e7e70439

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      MD5

      8aee61bc611aa64b3f208f3a078c0b9d

      SHA1

      fbd8b1f97262825748f2314ea5357c513928d450

      SHA256

      c83e1a89de66553006542f3d2906b833bd0eec1eaaf9d6a7a791ff2224055e55

      SHA512

      a842860b4932d89911731e634b35707affca7977fa08e3f0a874661cd3da63c34d048c9203d670108726b3a0a94e173dff7eccb8c18b3cadf2233098e7e70439

    • memory/772-62-0x000000013F920000-0x00000001402A0000-memory.dmp
      Filesize

      9.5MB

    • memory/772-65-0x0000000076F50000-0x0000000076F52000-memory.dmp
      Filesize

      8KB

    • memory/772-64-0x000007FEFB781000-0x000007FEFB783000-memory.dmp
      Filesize

      8KB

    • memory/772-60-0x000000013F920000-0x00000001402A0000-memory.dmp
      Filesize

      9.5MB

    • memory/772-61-0x000000013F920000-0x00000001402A0000-memory.dmp
      Filesize

      9.5MB

    • memory/1076-82-0x0000000001300000-0x0000000001976000-memory.dmp
      Filesize

      6.5MB

    • memory/1076-79-0x0000000001300000-0x0000000001976000-memory.dmp
      Filesize

      6.5MB

    • memory/1076-81-0x0000000001300000-0x0000000001976000-memory.dmp
      Filesize

      6.5MB

    • memory/1076-80-0x00000000770F0000-0x00000000770F2000-memory.dmp
      Filesize

      8KB

    • memory/1076-83-0x0000000001300000-0x0000000001976000-memory.dmp
      Filesize

      6.5MB

    • memory/1108-55-0x0000000075421000-0x0000000075423000-memory.dmp
      Filesize

      8KB

    • memory/1200-78-0x000000013F230000-0x000000013FBB0000-memory.dmp
      Filesize

      9.5MB

    • memory/1200-77-0x000000013F230000-0x000000013FBB0000-memory.dmp
      Filesize

      9.5MB

    • memory/1200-76-0x000000013F230000-0x000000013FBB0000-memory.dmp
      Filesize

      9.5MB