Analysis

  • max time kernel
    131s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2023 17:22

General

  • Target

    PCPS.exe

  • Size

    2.8MB

  • MD5

    483da837d70e72105520ea82033c49ff

  • SHA1

    4339212b959c1ead23bb5cc31dcf12736ee3e1d4

  • SHA256

    d9f553bfe5254e734f2c687a69d9a61f082b87c74fc03af1a51dff715a6d7e9d

  • SHA512

    1501cef6c13fd7285749b27ff1f1cb7bcbd4e75543eb3b3d78da649c3603028731b361a24d724d68dc41737e550ac826baf829806a69d7a90366e1768a58d23f

  • SSDEEP

    49152:B3+xTCM1oVeG0kGj/esU462SJJm0tjRU+hT9Lgr84zMG8qK7kyjF3U4RRGef++fd:BLGefGh

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PCPS.exe
    "C:\Users\Admin\AppData\Local\Temp\PCPS.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 692
      2⤵
      • Program crash
      PID:2688
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde /n
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2708
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
    1⤵
      PID:2524

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\PcapDotNet.Core.dll
      Filesize

      69KB

      MD5

      45fa4315c7631b828e2871db89b3df27

      SHA1

      f34f3a5344abbb67a21348be9eaeba7831c7333e

      SHA256

      e580ca9c0382a8663d6bdff6e53802bd73fa8a71689d7f38521ca02269775a58

      SHA512

      1dd74a83b0435674d61e0e752e3d671334970fd7d235203faf1791c67965eee2324a7dd18e03be575138d3c3639d106534a084c3f9a78d37ff4ff77ead4cfd96

    • \Users\Admin\AppData\Local\Temp\PcapDotNet.Core.dll
      Filesize

      69KB

      MD5

      45fa4315c7631b828e2871db89b3df27

      SHA1

      f34f3a5344abbb67a21348be9eaeba7831c7333e

      SHA256

      e580ca9c0382a8663d6bdff6e53802bd73fa8a71689d7f38521ca02269775a58

      SHA512

      1dd74a83b0435674d61e0e752e3d671334970fd7d235203faf1791c67965eee2324a7dd18e03be575138d3c3639d106534a084c3f9a78d37ff4ff77ead4cfd96

    • \Users\Admin\AppData\Local\Temp\PcapDotNet.Core.dll
      Filesize

      69KB

      MD5

      45fa4315c7631b828e2871db89b3df27

      SHA1

      f34f3a5344abbb67a21348be9eaeba7831c7333e

      SHA256

      e580ca9c0382a8663d6bdff6e53802bd73fa8a71689d7f38521ca02269775a58

      SHA512

      1dd74a83b0435674d61e0e752e3d671334970fd7d235203faf1791c67965eee2324a7dd18e03be575138d3c3639d106534a084c3f9a78d37ff4ff77ead4cfd96

    • \Users\Admin\AppData\Local\Temp\PcapDotNet.Core.dll
      Filesize

      69KB

      MD5

      45fa4315c7631b828e2871db89b3df27

      SHA1

      f34f3a5344abbb67a21348be9eaeba7831c7333e

      SHA256

      e580ca9c0382a8663d6bdff6e53802bd73fa8a71689d7f38521ca02269775a58

      SHA512

      1dd74a83b0435674d61e0e752e3d671334970fd7d235203faf1791c67965eee2324a7dd18e03be575138d3c3639d106534a084c3f9a78d37ff4ff77ead4cfd96

    • memory/1576-10-0x00000000003D0000-0x00000000003E5000-memory.dmp
      Filesize

      84KB

    • memory/1576-5-0x00000000003B0000-0x00000000003C5000-memory.dmp
      Filesize

      84KB

    • memory/1576-4-0x0000000000300000-0x000000000030A000-memory.dmp
      Filesize

      40KB

    • memory/1576-3-0x0000000000390000-0x00000000003AE000-memory.dmp
      Filesize

      120KB

    • memory/1576-0-0x00000000013A0000-0x0000000001680000-memory.dmp
      Filesize

      2.9MB

    • memory/1576-2-0x00000000002F0000-0x0000000000302000-memory.dmp
      Filesize

      72KB

    • memory/1576-1-0x00000000745C0000-0x0000000074CAE000-memory.dmp
      Filesize

      6.9MB

    • memory/1576-17-0x00000000745C0000-0x0000000074CAE000-memory.dmp
      Filesize

      6.9MB

    • memory/2708-18-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2708-19-0x0000000072ABD000-0x0000000072AC8000-memory.dmp
      Filesize

      44KB

    • memory/2708-20-0x0000000072ABD000-0x0000000072AC8000-memory.dmp
      Filesize

      44KB

    • memory/2708-22-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2708-23-0x0000000072ABD000-0x0000000072AC8000-memory.dmp
      Filesize

      44KB