Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 20:44

General

  • Target

    81c1916faaf4854ca8b533468c48c811_JaffaCakes118.exe

  • Size

    222KB

  • MD5

    81c1916faaf4854ca8b533468c48c811

  • SHA1

    655ffb2eb26dfcf2db8e765c3ad68c0353f75a8b

  • SHA256

    4501c4f93e2c23e89eb7775321b58d25313bec343713d09ab432111f95a9b78a

  • SHA512

    2c413c511c6e7de54673bbd9776bc8eb3625ee9592579232238f754a3244fd52ea155a62eff3851e12d43b52b510b9b3026a1b2c1cdd873c1e54bb8ade62e31c

  • SSDEEP

    6144:Ku3dwQ0I23Pvq8AS10fsiGodZTfq/kX1XtHNdBbqcVO:DNQqnS1GsiGod1fNhtHNuL

Malware Config

Signatures

  • Loads dropped DLL 2 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 2 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 23 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81c1916faaf4854ca8b533468c48c811_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81c1916faaf4854ca8b533468c48c811_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:1656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BaiduBar.dll

    Filesize

    286KB

    MD5

    e4bc62a44704db1e93d4e839781d1920

    SHA1

    1e9dcd259beff683a81432bf2539b047700a2f9a

    SHA256

    e58dfa77619ef7d60c9f7ef40db74a81643ecf1886d1960be65578b18183b318

    SHA512

    3bbc9e0745406863c27e9cb98bdd403b192840d905a9bba9bb02e86581d16805292c197c8a79ae6ee2f22c1ddc50f763b6e4ae95d21a9055b94abeb17ccdef04

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\install.inf

    Filesize

    588B

    MD5

    886a3c4174f4f95b51092a0cfeeb822c

    SHA1

    eaf1332f2f03e8cafc7ee5dc211ac8e6faa3d3d1

    SHA256

    228478419fbad9a1d37da2d06a1bdda885ddb0bc9bbb537fa7911abcde71f5f3

    SHA512

    ea882630d1f2cd8e80db3283a30e301b05ac1561fd70a3c4bd623be368e31c009692635c91a4fd5ca3d7833354605fef64222acecbccc964ad449a2a44315920

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\ADVPACK.DLL

    Filesize

    90KB

    MD5

    d553b62a8136d41289513c6405efea2d

    SHA1

    db48c3fd3993ff20511e47ffad14bfbdb9f438eb

    SHA256

    ce7cfb626807084186b248bbf2ef776eac086da936146f7d44956c2fcfaec1f8

    SHA512

    4a3767e8ac1e684a9a6eaced921b9599e34d5a4e83f034c7fe42bd8fd707a2b86f51ad485933fed5015554c3f9c4cf4b1357832964cc170d8cba86092fc9d2e2