Analysis

  • max time kernel
    47s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/03/2024, 14:37

General

  • Target
    ccsetup622.exe
  • Size 79.5MB
  • Sample240324-ry5vjadc58
  • SHA256 69c172059f6242ae92efcc418a3eb4fb568f2ce193403194652f6ae962680cfe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Downloads MZ/PE file
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 19 IoCs
  • Modifies registry class 26 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccsetup622.exe
    "C:\Users\Admin\AppData\Local\Temp\ccsetup622.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Program Files\CCleaner\CCleaner64.exe
      "C:\Program Files\CCleaner\CCleaner64.exe" /createSkipUAC
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2892
    • C:\Program Files\CCleaner\CCUpdate.exe
      "C:\Program Files\CCleaner\CCUpdate.exe" /reg
      2⤵
      • Executes dropped EXE
      PID:2820
      • C:\Program Files\CCleaner\CCUpdate.exe
        CCUpdate.exe /emupdater /applydll "C:\Program Files\CCleaner\Setup\3ddf3c00-31b7-4ee8-bcc0-a8858cd5a564.dll"
        3⤵
          PID:2368

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          CCleaner.exe

          • Path C:\Program Files\CCleaner\CCleaner.exe
          • Size 1.7MB
          • SHA256 dddc54fd47c78c205443123bf36e93c14ff2a61f7218015a7df58f3c16b07ba3
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path C:\Program Files\CCleaner\CCleaner64.exe
          • Size 3.4MB
          • SHA256 f1408eb826d4037ba3346b1028894329befb552ed8b04e9b0168ed26667082fa
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path C:\Program Files\CCleaner\CCleaner64.exe
          • Size 3.4MB
          • SHA256 3faae6e3862970a6b297c2c7bc8ceade4b2940f846039bb571003861b81312a4
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path C:\Program Files\CCleaner\CCleaner64.exe
          • Size 4.7MB
          • SHA256 283e6773d14bb1da7ce206dd79ba5e2379ae0abd2d93234e6ce5a31080ea7cdb
          • MD5 SHA1 SHA512 SSDEEP

          16d1b789-daf6-4a0a-9e0c-046ea27a1ce5.ini

          • Path C:\Program Files\CCleaner\Setup\16d1b789-daf6-4a0a-9e0c-046ea27a1ce5.ini
          • Size 170B
          • SHA256 473d48a44a348f6c547aefd2c60dd4b9de0092e1fb94a7611bdd374783ef3b2c
          • MD5 SHA1 SHA512

          3ddf3c00-31b7-4ee8-bcc0-a8858cd5a564.dll

          • Path C:\Program Files\CCleaner\Setup\3ddf3c00-31b7-4ee8-bcc0-a8858cd5a564.dll
          • Size 469KB
          • SHA256 c427bcf6b065edf06662e0540e3e9a21c07095184e7bb9d05926dc3b79fc3348
          • MD5 SHA1 SHA512 SSDEEP

          64c74186-c895-4e93-a63a-6139ea23b189.xml

          • Path C:\Program Files\CCleaner\Setup\64c74186-c895-4e93-a63a-6139ea23b189.xml
          • Size 818B
          • SHA256 abdfc16e71bd74863dbb57bf138a92cb05f8e2fe4f297838b2d38b014a06c882
          • MD5 SHA1 SHA512

          V01.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\V01.log
          • Size 512KB
          • SHA256 cbee327d39c30bd0cb5f5969e19b7db9c21a8587651447b639f555fe74841c16
          • MD5 SHA1 SHA512 SSDEEP

          WebCacheV01.dat

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.dat
          • Size 32.1MB
          • SHA256 ce567a4fac17ff037c521e3b1244524cfbc2ca1f17270bc9b98e716c59d4d67c
          • MD5 SHA1 SHA512 SSDEEP

          aswe1122e0bf5dc97f6.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\aswe1122e0bf5dc97f6.tmp
          • Size 35B
          • SHA256 8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
          • MD5 SHA1 SHA512

          nsProcess.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsd2129.tmp\nsProcess.dll
          • Size 4KB
          • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
          • MD5 SHA1 SHA512 SSDEEP

          CC_Logo_40x96.png

          • Path C:\Users\Admin\AppData\Local\Temp\nsd2129.tmp\ui\res\CC_Logo_40x96.png
          • Size 2KB
          • SHA256 b013039e32d2f8e54cfebdbfdabc25f21aa0bbe9ef26a2a5319a20024961e9a7
          • MD5 SHA1 SHA512

          CC_logo_72x66.png

          • Path C:\Users\Admin\AppData\Local\Temp\nsd2129.tmp\ui\res\CC_logo_72x66.png
          • Size 7KB
          • SHA256 58e75de1789c90333daaf93176194d2a3d64f2eecdf57a4b9384a229e81f874f
          • MD5 SHA1 SHA512 SSDEEP

          PF_computer.png

          • Path C:\Users\Admin\AppData\Local\Temp\nsd2129.tmp\ui\res\PF_computer.png
          • Size 87KB
          • SHA256 dbd8b6fdb66604a0a5e8efe269fbfa598e4a94dc146006036409d905209da42b
          • MD5 SHA1 SHA512 SSDEEP

          CCUpdate.exe

          • Path \Program Files\CCleaner\CCUpdate.exe
          • Size 697KB
          • SHA256 4ad9635351c8e8579c4d4c2bdd679ea7b135ec329adc6fd5d8211255e2e666be
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner.exe

          • Path \Program Files\CCleaner\CCleaner.exe
          • Size 1.2MB
          • SHA256 9dd39b6bde57d56878af7ada85ba0efa9b905d968243f31451217b42dac1858e
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner.exe

          • Path \Program Files\CCleaner\CCleaner.exe
          • Size 1.2MB
          • SHA256 c633ec6fdd309035597f9412b3de7d2dded16f188889c598bc9788ced54609f1
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner.exe

          • Path \Program Files\CCleaner\CCleaner.exe
          • Size 537KB
          • SHA256 04c9bc9778ee5933439817262aef619da6c5548adabfacbbe3ee693740560569
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner.exe

          • Path \Program Files\CCleaner\CCleaner.exe
          • Size 709KB
          • SHA256 706bd2c0169983e505738b9f603d728817d137687115cb90a2890deb543b34da
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner.exe

          • Path \Program Files\CCleaner\CCleaner.exe
          • Size 3.5MB
          • SHA256 47b6765bc59e5489fb9b9ac0752f69a8861f6fd5b8f96a75ed7cba85190d98aa
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner.exe

          • Path \Program Files\CCleaner\CCleaner.exe
          • Size 4.0MB
          • SHA256 c46a2493b00b7a4d9c66094704a7efa6de38a46ea80b09205708038a45e7e33e
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path \Program Files\CCleaner\CCleaner64.exe
          • Size 4.8MB
          • SHA256 4e0cfc214a6596c5f9d4589a6db3bb0f7ae2294f1dd1698a268614bf76b98fe5
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path \Program Files\CCleaner\CCleaner64.exe
          • Size 3.8MB
          • SHA256 83612573cfbc75e8a4d80de49a07aae389d977aa565fcdfeb1371bd1ddc4ad8f
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path \Program Files\CCleaner\CCleaner64.exe
          • Size 3.2MB
          • SHA256 782fc2568829fb699b24e38667f49c79f390a96291ec8527cfc96a34bebb2f13
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path \Program Files\CCleaner\CCleaner64.exe
          • Size 45KB
          • SHA256 aea9ae280de6980a6e1add3c4ad6610133dc7bbe983bd97f37adc3581fc08841
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path \Program Files\CCleaner\CCleaner64.exe
          • Size 5.1MB
          • SHA256 dacfc3f158f8d8a5d751cd86b0d1ef79c9392ba7f799e3d35ece361b522f7867
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path \Program Files\CCleaner\CCleaner64.exe
          • Size 4.5MB
          • SHA256 62a3245b1a679dbaeb13618dbde3ab81f5d9307ed1011cd13578c860c383c99a
          • MD5 SHA1 SHA512 SSDEEP

          CCleaner64.exe

          • Path \Program Files\CCleaner\CCleaner64.exe
          • Size 64KB
          • SHA256 305f2e5d14cf7df6434cbcbb1ea2d2876b425c4bf1c7f19140addbef30a8c351
          • MD5 SHA1 SHA512 SSDEEP

          ButtonEvent.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\ButtonEvent.dll
          • Size 5KB
          • SHA256 e2da6d8b73b5954d58baa89a949aacece0527dfb940ca130ac6d3fd992d0909d
          • MD5 SHA1 SHA512 SSDEEP

          INetC.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\INetC.dll
          • Size 23KB
          • SHA256 5233110ed8e95a4a1042f57d9b2dc72bc253e8cb5282437637a51e4e9fcb9079
          • MD5 SHA1 SHA512 SSDEEP

          System.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\System.dll
          • Size 12KB
          • SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
          • MD5 SHA1 SHA512 SSDEEP

          UserInfo.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\UserInfo.dll
          • Size 4KB
          • SHA256 e54989d2b83e7282d0bec56b098635146aab5d5a283f1f89486816851ef885a0
          • MD5 SHA1 SHA512

          asdk.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\a\asdk.dll
          • Size 1.0MB
          • SHA256 74fcd2367fb1d9c0084547ebaf1c6db081946453a5d0a2d668d83d3c489a60a9
          • MD5 SHA1 SHA512 SSDEEP

          gcapi_dll.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\g\gcapi_dll.dll
          • Size 348KB
          • SHA256 d0e4581210a22135ce5deb47d9df4d636a94b3813e0649aab84822c9f08af2a0
          • MD5 SHA1 SHA512 SSDEEP

          nsDialogs.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\nsDialogs.dll
          • Size 9KB
          • SHA256 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
          • MD5 SHA1 SHA512 SSDEEP

          ServiceUninstaller.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\p\ServiceUninstaller.dll
          • Size 497KB
          • SHA256 0b78d56aceefb4ff259660bd55bbb497ce29a5d60206b5d19d05e1442829e495
          • MD5 SHA1 SHA512 SSDEEP

          pfBL.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\p\pfBL.dll
          • Size 13.4MB
          • SHA256 16300bcdbfaeb2c1a55be0099094ddee3a05b6775f59b1e793a32d6c2cc42643
          • MD5 SHA1 SHA512 SSDEEP

          pfUI.dll

          • Path \Users\Admin\AppData\Local\Temp\nsd2129.tmp\ui\pfUI.dll
          • Size 18.1MB
          • SHA256 92a3d60fce2dae1d649721d1fa4679005fd8e8bcbf386718749d75b928ca3123
          • MD5 SHA1 SHA512 SSDEEP

          memory/2340-159-0x0000000007E10000-0x0000000007E18000-memory.dmp

          memory/2340-130-0x0000000005210000-0x0000000005220000-memory.dmp

          memory/2340-219-0x0000000007E10000-0x0000000007E11000-memory.dmp

          memory/2340-217-0x0000000007F90000-0x0000000007F98000-memory.dmp

          memory/2340-136-0x00000000055E0000-0x00000000055F0000-memory.dmp

          memory/2340-162-0x0000000007F90000-0x0000000007F98000-memory.dmp

          memory/2340-169-0x0000000007DB0000-0x0000000007DB1000-memory.dmp

          memory/2340-224-0x0000000007DB0000-0x0000000007DB1000-memory.dmp

          memory/2340-214-0x0000000007E20000-0x0000000007E28000-memory.dmp

          memory/2340-164-0x0000000007E00000-0x0000000007E01000-memory.dmp

          memory/2340-129-0x0000000002180000-0x0000000002181000-memory.dmp

          memory/2340-111-0x0000000002180000-0x0000000002181000-memory.dmp

          memory/2892-383-0x0000000000120000-0x0000000000121000-memory.dmp

          memory/2892-393-0x0000000002C60000-0x0000000002C61000-memory.dmp

          memory/2892-389-0x0000000002900000-0x0000000002901000-memory.dmp

          memory/2892-390-0x0000000002920000-0x0000000002921000-memory.dmp

          memory/2892-391-0x0000000002C40000-0x0000000002C41000-memory.dmp

          memory/2892-392-0x0000000002C50000-0x0000000002C51000-memory.dmp