Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/10/2024, 03:43

General

  • Target
    68bee555562905c7b02e3063498fe239_JaffaCakes118.exe
  • Size 255KB
  • Sample241022-eaebfsveqe
  • SHA256 4f083ad05e36e3bd311eb76d17005b89afa169e363ae967343c4ebcd7295a278
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • NSIS installer 4 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68bee555562905c7b02e3063498fe239_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\68bee555562905c7b02e3063498fe239_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\517b20595141e.exe
      .\517b20595141e.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:1680

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

        • Path C:\ProgramData\Birowsey22saave\uninstall.exe
        • Size 48KB
        • SHA256 a76272ed3bbf23308782a308d428ee805ec77fbb622a830af26cb0ddbbf7377b
        • MD5 SHA1 SHA512 SSDEEP

        517b205951457.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\517b205951457.dll
        • Size 115KB
        • SHA256 d4bb7937b36973cbf3b12c9500c25ed34103944a69bad9162f3b98f39474529c
        • MD5 SHA1 SHA512 SSDEEP

        517b205951457.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\517b205951457.tlb
        • Size 18KB
        • SHA256 ac3a1daa32b1c489f9c2f4413ab35c4fc90b54a52ede0fb53276666e6eeef16f
        • MD5 SHA1 SHA512 SSDEEP

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 f561fe891485d861b7090091f0e4990bf04b4698b6f8afdfc11ec95a25fed593
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\[email protected]\chrome.manifest
        • Size 116B
        • SHA256 f836b5b04730c35a44eee585e765cea46a05944e743bdbdd04bdc11fa22d0278
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\[email protected]\content\bg.js
        • Size 8KB
        • SHA256 af20eaaff976731f61c8e2cf00586273573ea1b83b8ce9d83b8f10111a14af4f
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\[email protected]\install.rdf
        • Size 614B
        • SHA256 ad23092a8b4365c84b1fb6b9307dde2a54199e1ca8d7ab58cbd4b53ed8b378e4
        • MD5 SHA1 SHA512

        517b2059511f52.44265021.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\hafgggbojnhcbaohhpgipgkanmglibdk\517b2059511f52.44265021.js
        • Size 4KB
        • SHA256 d26f5dbfe76c716d4d08c9355b8f5682be098294b088887ebc6412ef1473ad4c
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\hafgggbojnhcbaohhpgipgkanmglibdk\background.html
        • Size 161B
        • SHA256 7a8cc8d205e928ae66e811ef94a59f2e19f0f975eee93966d70ba0faaa94e9b6
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\hafgggbojnhcbaohhpgipgkanmglibdk\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\hafgggbojnhcbaohhpgipgkanmglibdk\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\hafgggbojnhcbaohhpgipgkanmglibdk\manifest.json
        • Size 507B
        • SHA256 4446f025eb2eae8eef24874495ee30d49618355d13f7f0faae0aeeabebc5edbd
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\hafgggbojnhcbaohhpgipgkanmglibdk\sqlite.js
        • Size 1KB
        • SHA256 1f8272336b155c093d687b57a2b36d01a10d56d5fb931688bd0a3b9c5e72e183
        • MD5 SHA1 SHA512

        settings.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\settings.ini
        • Size 7KB
        • SHA256 a0f26a6467d451c1d57d841e9ce8760c9aed3efb76f3082b1a6defee82601118
        • MD5 SHA1 SHA512 SSDEEP

        517b20595141e.exe

        • Path \Users\Admin\AppData\Local\Temp\7zSAB4D.tmp\517b20595141e.exe
        • Size 71KB
        • SHA256 d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nstABDA.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        nsJSON.dll

        • Path \Users\Admin\AppData\Local\Temp\nstABDA.tmp\nsJSON.dll
        • Size 7KB
        • SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
        • MD5 SHA1 SHA512 SSDEEP

        memory/1680-82-0x00000000748A0000-0x00000000748AA000-memory.dmp