Analysis

  • max time kernel
    141s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/07/2024, 01:30

General

  • Target

    6d0e4c5ef82e34b53b10552094a5f274_JaffaCakes118.exe

  • Size

    331KB

  • MD5

    6d0e4c5ef82e34b53b10552094a5f274

  • SHA1

    c081c29c5ea4e1dd29d39c533c2fc50edb5a1287

  • SHA256

    4e66403a14ee87c5b62f4bfbb511ea97dcb025ff83046396e19a68010a1504c4

  • SHA512

    cdba1676ca6f79d082602a2ed3111879154f9f2bba8e221e8520bbdc642514915926aac8c4f55832039ba842aef1296aac7293aba6ad4ba5ac95019fcf54af87

  • SSDEEP

    6144:nuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLnFIyryb8bJzy5x:u6Wq4aaE6KwyF5L0Y2D1PqLF+yJzg

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 5 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • UPX packed file 3 IoCs

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

  • Blocklisted process makes network request 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d0e4c5ef82e34b53b10552094a5f274_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6d0e4c5ef82e34b53b10552094a5f274_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Users\Admin\AppData\Local\Temp\6d0e4c5ef82e34b53b10552094a5f274_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6d0e4c5ef82e34b53b10552094a5f274_JaffaCakes118.exe"
      2⤵
      • Maps connected drives based on registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SysWOW64\msiexec.exe
        C:\Windows\SysWOW64\msiexec.exe
        3⤵
        • Modifies firewall policy service
        • UAC bypass
        • Adds policy Run key to start application
        • Deletes itself
        • Blocklisted process makes network request
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:396
        • C:\Windows\SysWOW64\msiexec.exe
          "C:\Windows\SysWOW64\msiexec.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\aut79F3.tmp

    Filesize

    18KB

    MD5

    c90f18b7ac47805fbf7adf5615a3c945

    SHA1

    fb3a3706532b0e1639d4ee32fb6752e1da8d5003

    SHA256

    1dbf30a7bb58cf2ca069dcfa05e492433d468396236ff4f56e9aab4e6defcc9a

    SHA512

    c60b9c3daa4c9a3a002efea83028bbce2494c7812121b1fe6fe0d2cd431f3be836a1e08757a52994a0dd9311c8190f1bdf5d3cc6c7ff499c4e2631c46ccc0108

  • \??\c:\progra~3\msrtbrsiq.exe

    Filesize

    331KB

    MD5

    6d0e4c5ef82e34b53b10552094a5f274

    SHA1

    c081c29c5ea4e1dd29d39c533c2fc50edb5a1287

    SHA256

    4e66403a14ee87c5b62f4bfbb511ea97dcb025ff83046396e19a68010a1504c4

    SHA512

    cdba1676ca6f79d082602a2ed3111879154f9f2bba8e221e8520bbdc642514915926aac8c4f55832039ba842aef1296aac7293aba6ad4ba5ac95019fcf54af87

  • memory/396-35-0x0000000000A00000-0x0000000000A12000-memory.dmp

    Filesize

    72KB

  • memory/396-30-0x000000007F8E0000-0x000000007F8E6000-memory.dmp

    Filesize

    24KB

  • memory/396-16-0x00000000009F0000-0x0000000000A12000-memory.dmp

    Filesize

    136KB

  • memory/396-22-0x0000000000DF0000-0x0000000000DF7000-memory.dmp

    Filesize

    28KB

  • memory/396-21-0x00000000009F0000-0x0000000000A12000-memory.dmp

    Filesize

    136KB

  • memory/396-19-0x00000000009F0000-0x0000000000A12000-memory.dmp

    Filesize

    136KB

  • memory/396-24-0x000000007F8D0000-0x000000007F8D1000-memory.dmp

    Filesize

    4KB

  • memory/396-23-0x000000007F8E0000-0x000000007F8E6000-memory.dmp

    Filesize

    24KB

  • memory/1356-0-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1356-15-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2132-11-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2132-13-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2132-8-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2948-26-0x0000000000040000-0x0000000000041000-memory.dmp

    Filesize

    4KB