Analysis

  • max time kernel
    144s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 20:20

General

  • Target

    106291b88427f5fcf309d80afac46c10_JaffaCakes118.exe

  • Size

    670KB

  • MD5

    106291b88427f5fcf309d80afac46c10

  • SHA1

    a19c9edfdd6d3f057543d35fc380a5459a878c3f

  • SHA256

    09e8d691d046440631c14952b1533c3bf482f4b6fa9587bd229eb2e39c648f9c

  • SHA512

    fa040c8361a5c221be13ef3672ca01f1cd28147b6144b269e58fbcd43840c80d5c026fb63c3918e7f9ad00f36c78e484121e3d01671dc4bf9feb9b2532712671

  • SSDEEP

    12288:8hdsll5H+iYbHW7CQV1POhmmp+ZGnTtmg3Fxx7JvdakTNacsvHN:8hiH+iYb27CQjcmi+QnTN3vJxdjpaDN

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\106291b88427f5fcf309d80afac46c10_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\106291b88427f5fcf309d80afac46c10_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Roaming\B1Toolbar\hpet.exe
      "C:\Users\Admin\AppData\Roaming\B1Toolbar\hpet.exe" -home -home2 -hie -hff -hgc -et -channel 167991
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\B1Toolbar\hpet.exe

    Filesize

    467KB

    MD5

    97bc7c2a98ee92297fcb2cecf1b222f9

    SHA1

    b3e08065fff002513c36cfe85e0ca607c68fbce3

    SHA256

    0effc6288b6ce1f933c8b97dc8ec5e6ee883f0628bea176538f65b0b2297d1fe

    SHA512

    a53e1220dfba16fe44f20bfc32dd986054751fb124a1c0917af4c34a45e7a2187ae05098a7681f9ed65cee852e3fbecf8fa49cc015b224dc50566659859986cc