Analysis

  • max time kernel
    144s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    28/09/2024, 09:42

General

  • Target

    fc05aabf2e7f2a8def55bb30f17777d3_JaffaCakes118.exe

  • Size

    338KB

  • MD5

    fc05aabf2e7f2a8def55bb30f17777d3

  • SHA1

    8e1e76ccb9dca23e859e3f7c4aaceb5fca8e396f

  • SHA256

    2eb23f14c0f329524dfb40cdea6ff6f10827b9c9719d69a0a8aaf205e79b1632

  • SHA512

    5c4745b3536420eb0a48bb2f2e3d3def87d0ff481847565a5c6d15446863a0267e1fbc0a86c0ce6047b288ecda2e0acc43aa403b42ff195781839ea92d0ae051

  • SSDEEP

    6144:H4Sv6p9J13jkO4YhRMt+ejxAVtqdbkAhXrC81ORi/JvgRw:H4QM13jkO4mMceje3qdQAptL4

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc05aabf2e7f2a8def55bb30f17777d3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc05aabf2e7f2a8def55bb30f17777d3_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2860 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\fc05aabf2e7f2a8def55bb30f17777d3_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\cszti.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2860
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2784
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2732
      • C:\Users\Admin\AppData\Local\cszti.exe
        C:\Users\Admin\AppData\Local\cszti.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\cszti.exe

    Filesize

    338KB

    MD5

    fc05aabf2e7f2a8def55bb30f17777d3

    SHA1

    8e1e76ccb9dca23e859e3f7c4aaceb5fca8e396f

    SHA256

    2eb23f14c0f329524dfb40cdea6ff6f10827b9c9719d69a0a8aaf205e79b1632

    SHA512

    5c4745b3536420eb0a48bb2f2e3d3def87d0ff481847565a5c6d15446863a0267e1fbc0a86c0ce6047b288ecda2e0acc43aa403b42ff195781839ea92d0ae051

  • memory/2820-10-0x0000000001000000-0x00000000010B6000-memory.dmp

    Filesize

    728KB

  • memory/2820-12-0x0000000001000000-0x00000000010B6000-memory.dmp

    Filesize

    728KB

  • memory/2820-11-0x0000000001000000-0x00000000010B6000-memory.dmp

    Filesize

    728KB

  • memory/2820-14-0x0000000001000000-0x00000000010B6000-memory.dmp

    Filesize

    728KB

  • memory/2860-0-0x00000000002B0000-0x00000000002B2000-memory.dmp

    Filesize

    8KB

  • memory/2860-2-0x0000000001000000-0x00000000010B6000-memory.dmp

    Filesize

    728KB

  • memory/2860-1-0x0000000001000000-0x00000000010B6000-memory.dmp

    Filesize

    728KB

  • memory/2860-5-0x0000000001000000-0x00000000010B6000-memory.dmp

    Filesize

    728KB