Analysis

  • max time kernel
    133s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 15:33

General

  • Target

    b406ba165b8500f3828687dcf14a0165_JaffaCakes118.exe

  • Size

    242KB

  • MD5

    b406ba165b8500f3828687dcf14a0165

  • SHA1

    79f2490dd858807ecf00749bc8341c04a203370d

  • SHA256

    594c467e38874bc9b39adfad370de12f425f17bcf8877b6175c113fa094b2ee4

  • SHA512

    65443cfcafd2b0a799f7907ffb61c2e1d0e1fb809fd665c6c6c29186d99ce01a449f7b543efc6a9b1a533273f790e70eb2c7f19557feec404aa0df7ac316beac

  • SSDEEP

    6144:68nunPuGRppmMxomdvtf17FLYnzOy0FHChI7YZ:68ipQM/dvtxOnCLChI

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b406ba165b8500f3828687dcf14a0165_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b406ba165b8500f3828687dcf14a0165_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 412
      2⤵
      • Program crash
      PID:4300
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2424 -ip 2424
    1⤵
      PID:116

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\Packet.dll

      Filesize

      98KB

      MD5

      b4d3cbc053e70143d350d6107b94952c

      SHA1

      5ebdb0ef1f00a1024637adf106d7b2a9b43bbcda

      SHA256

      2198fd8cd738d6281c8c1fc4845effd251b3d6b7f83b9f4f927d6430cf12537b

      SHA512

      539244352ffc0ca6e08bba2704abd1286873375dad28421862bd9ce7a8146d9472dc5e4ac3edb59ae741f5b178cd22f976fbba62a0bc71c09160e1c9f178e523

    • C:\Windows\SysWOW64\wpcap.dll

      Filesize

      274KB

      MD5

      dae5f233818083af69e2e5133a50a2cb

      SHA1

      18a2672972a9440f51b3d416a933b20b8ae6252a

      SHA256

      b0ce20a14e8cef5a94e2ef057e5685eac3636c6b71166b4f99af31c3422c4121

      SHA512

      ca71f6b0c2c1f5c00eda9af97b4426c9ca386785c5f0d712dc971ddf0b13e1a0e7ef691932b61c5fda009df2da8422df09ffaf5061aa0b674a98dcc57caa405a

    • memory/2424-0-0x0000000000550000-0x0000000000551000-memory.dmp

      Filesize

      4KB

    • memory/2424-1-0x0000000000550000-0x0000000000551000-memory.dmp

      Filesize

      4KB

    • memory/2424-5-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB

    • memory/2424-18-0x0000000002260000-0x0000000002279000-memory.dmp

      Filesize

      100KB

    • memory/2424-21-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB

    • memory/2424-16-0x0000000000460000-0x0000000000493000-memory.dmp

      Filesize

      204KB

    • memory/2424-7-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB

    • memory/2424-4-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB