Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2024 23:52

General

  • Target

    1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe

  • Size

    203KB

  • MD5

    1509c59c2dc65d7233c05c71687eda23

  • SHA1

    e7777d97be17dacaebc6c21f97cbd51901d3f68f

  • SHA256

    0bbcb66d50403c5a9a46f3e3e9dc406f52e55cd3220f4cdfee12fa97a92e8df5

  • SHA512

    0ac3982d09cb16de34ec1e76563d50ac5ae0620360a7f4c60439236feb90dd1b8a7b8f4e9c41b0d621cdf2d9ee09882452a41da0a793352d21769e64ff2aa064

  • SSDEEP

    6144:MLV6Bta6dtJmakIM5BPjoWNdOPgZpqS0k:MLV6BtpmkxEdOPQp7

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp81C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2856
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8B9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp81C.tmp

    Filesize

    1KB

    MD5

    aa61846f35a6b6e84d5ae32bc245e5db

    SHA1

    a96a4cd6f356480d55617d833954c6a44a7442f5

    SHA256

    737145dcb465053e945f704f4cdcbe9c265074c76eaedb6a815d4df9f08019b1

    SHA512

    9620567ac3571787d558db536bfc46217d74881e4a0fa8a75d1bc5e530456552bd13fa7cedd448d97298c4b1914400bb63282aff937bee030dc8da53e1c2d82e

  • C:\Users\Admin\AppData\Local\Temp\tmp8B9.tmp

    Filesize

    1KB

    MD5

    93fc3117767507c9889abd12dc667d22

    SHA1

    1096e4cfa0c35756e3c3fb866c1e4c1e59115df9

    SHA256

    684997dd4ce15031cec8f2f93933b1d41d7bf5cbbff655dd64377b07055c449a

    SHA512

    e403348ee77bd3e7c45245dd5dae81c3ea130d5cf342f630982772ce5f75548b292013480e2831d68cf51349b64afde4589d4eec94b567d20f0a01e3b9549bdc

  • memory/2028-0-0x0000000074721000-0x0000000074722000-memory.dmp

    Filesize

    4KB

  • memory/2028-1-0x0000000074720000-0x0000000074CCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2028-2-0x0000000074720000-0x0000000074CCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2028-10-0x0000000074720000-0x0000000074CCB000-memory.dmp

    Filesize

    5.7MB