Analysis

  • max time kernel
    143s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 12:49

General

  • Target

    af4a16f235b221f3926638fad3c647f2_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    af4a16f235b221f3926638fad3c647f2

  • SHA1

    91216299733b8185a2034e7b72afe0fbeb2d8aa8

  • SHA256

    40162b808466803cc934b31270bce7f40410db2b22ebc487c32e36a26c42d158

  • SHA512

    231946a33f16d34b2853f4755e64361aee6120bfa422ba3cc59f3668b4a5f413f76d947a05d5dc458c80e8a3faedc3e15e3b8e74de2757047bfef6eef24f06a2

  • SSDEEP

    3072:xnOn7t7XpdpCCTg/sxFgJceq8KJQCNqutErKoXlTMXFTce62Ht:xKpdcCrTf8KXxtknWce62N

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af4a16f235b221f3926638fad3c647f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\af4a16f235b221f3926638fad3c647f2_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\nsy8DFA.tmp\dmgr.exe
      C:\Users\Admin\AppData\Local\Temp\nsy8DFA.tmp\dmgr.exe /e1914104 /u4d886865-fe6c-4569-82be-0f545bc06ebe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:3628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsy8DFA.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nsy8DFA.tmp\dmgr.exe

    Filesize

    138KB

    MD5

    d4cb506b1742f5b79e09450765a870c3

    SHA1

    408d0ac789de4b42dd212681a7b9f5cd6f36ecb9

    SHA256

    8b68c55ad5e9424917256d8bfbdde8a0563e58db10d6772b7cb15626a5ed4a6a

    SHA512

    432fb02212c841a35b71759f1a4200b94082542c1e68e7c5c90f46ee59fe9cb53073d2c5e8ab982135ccec918b6c15b5d5de591bc42a0581b1bf0175e3621c66

  • memory/1948-38-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/3628-27-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-15-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-26-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-14-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-28-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-29-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-30-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-31-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-32-0x0000000074672000-0x0000000074673000-memory.dmp

    Filesize

    4KB

  • memory/3628-34-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3628-13-0x0000000074672000-0x0000000074673000-memory.dmp

    Filesize

    4KB