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Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 22:27

General

  • Target

    b117a16cd74326223549e861ef0b66e9_JaffaCakes118.exe

  • Size

    181KB

  • MD5

    b117a16cd74326223549e861ef0b66e9

  • SHA1

    1e73b5b10713c0d72738bd6ee839baf6d740f08d

  • SHA256

    775c6d281fdccaa04c1ef515d81c901e7770fff95911581a78d57e04baefe8ae

  • SHA512

    e8a8afa7f42f294fdd98a8fc2135327251fbaa201c416002ee7722724a91cc3a88e5602c26d1015be62de0c3fc052de733697e24db58fc859c67a1e2488a6cd0

  • SSDEEP

    3072:htXtpArxo9OPiYrbhDpk8rVJQzahicYqltQiGv4bGoIbHxsDMBh0yi0wfkDLY5k6:jnA+AiChDpkMVJkahvlK4yoiRsDMBh/p

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 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 use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b117a16cd74326223549e861ef0b66e9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b117a16cd74326223549e861ef0b66e9_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in Windows directory
    PID:2316
  • C:\Windows\SysWOW64\drivers\svfjkolf.exe
    C:\Windows\SysWOW64\drivers\svfjkolf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 264
      2⤵
      • Program crash
      PID:740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\drivers\svfjkolf.exe

    Filesize

    181KB

    MD5

    b117a16cd74326223549e861ef0b66e9

    SHA1

    1e73b5b10713c0d72738bd6ee839baf6d740f08d

    SHA256

    775c6d281fdccaa04c1ef515d81c901e7770fff95911581a78d57e04baefe8ae

    SHA512

    e8a8afa7f42f294fdd98a8fc2135327251fbaa201c416002ee7722724a91cc3a88e5602c26d1015be62de0c3fc052de733697e24db58fc859c67a1e2488a6cd0

  • memory/1804-5-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1804-6-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1804-9-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2316-0-0x00000000001B0000-0x00000000001B2000-memory.dmp

    Filesize

    8KB

  • memory/2316-1-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2316-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2316-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB