Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 19:09

General

  • Target
    ebc88699a8c4b2657094e3423bdfa103_JaffaCakes118.exe
  • Size 13.1MB
  • Sample240410-xtz2dacb2w
  • SHA256 40d4b346db83b4fbb91e74a3390c343e3d4880861d2c5f7c89c3b5727979bae8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 10 IoCs
  • Modifies Control Panel 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 45 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebc88699a8c4b2657094e3423bdfa103_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ebc88699a8c4b2657094e3423bdfa103_JaffaCakes118.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies Control Panel
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:936
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:2432
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4540
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4540 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4648

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
          • Size 471B
          • SHA256 b35e4fd0344d352e06b1377781ba325f7c85a461d12a02d0f4b692a22418869c
          • MD5 SHA1 SHA512

          7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
          • Size 404B
          • SHA256 dafe439f8cddc60d9649dba868f0e6bc042487c27039d64169111ce2344acafd
          • MD5 SHA1 SHA512

          ver6453.tmp

          • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver6453.tmp
          • Size 15KB
          • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
          • MD5 SHA1 SHA512 SSDEEP

          suggestions[1].en-US

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PICZ11Q6\suggestions[1].en-US
          • Size 17KB
          • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
          • MD5 SHA1 SHA512 SSDEEP

          advsec32.dll

          • Path C:\Users\Admin\AppData\Local\Temp\advsec32.dll
          • Size 4KB
          • SHA256 eed7377eb708d163ad0e8c50ef40d8ea8d15124832904ac1318a3fd10728ffd3
          • MD5 SHA1 SHA512

          pooldispfwc.exe

          • Path C:\Windows\SysWOW64\pooldispfwc.exe
          • Size 13.4MB
          • SHA256 3e972095943ba48db9f880fb06b34add430bcf859e3740bd82176026a224b1bc
          • MD5 SHA1 SHA512 SSDEEP

          memory/936-0-0x0000000000400000-0x0000000000439000-memory.dmp

          memory/936-4-0x0000000000400000-0x0000000000439000-memory.dmp

          memory/936-13-0x0000000000400000-0x0000000000439000-memory.dmp

          memory/936-15-0x0000000000400000-0x0000000000439000-memory.dmp

          memory/936-19-0x0000000000400000-0x0000000000439000-memory.dmp

          memory/936-31-0x0000000000400000-0x0000000000439000-memory.dmp