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Analysis

  • max time kernel
    131s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2024, 11:36

General

  • Target

    84175cd8194c34c5a0eb7db5a6ddb84b_JaffaCakes118.exe

  • Size

    201KB

  • MD5

    84175cd8194c34c5a0eb7db5a6ddb84b

  • SHA1

    d635d57f8705f7cf0b68715e2e0acd1d1e607ebd

  • SHA256

    064086adcdd576b5afe5d173ff8fc48b85c7cbc6489ea0af330ebcc923b2ced2

  • SHA512

    14366cfa5b577fb40a04b4bfe3a9f9423125e7386786e14817865d70134ef7f86272eb4b3f492fd04fb85ef7476596a0fc179cba01af2015f98f53ceaffc1cb6

  • SSDEEP

    3072:k3Sn0lvOvtYzwnqSioDXx4uE9w2qbMUeZPorQ/4/46aIM96mfZ/N:U00lvOvtgSiod4uYzqAvZ1/w46WsmlN

Malware Config

Signatures

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84175cd8194c34c5a0eb7db5a6ddb84b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\84175cd8194c34c5a0eb7db5a6ddb84b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1500
    • \??\c:\users\admin\appdata\local\ihhelfertc
      "C:\Users\Admin\AppData\Local\Temp\84175cd8194c34c5a0eb7db5a6ddb84b_JaffaCakes118.exe" a -sc:\users\admin\appdata\local\temp\84175cd8194c34c5a0eb7db5a6ddb84b_jaffacakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Checks processor information in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\programdata\application data\storm\update\%sessionname%\ykoyp.cc3

    Filesize

    21.0MB

    MD5

    967bfc2fa95301a79477367758ad6a75

    SHA1

    027215abb48f7108d3e3b0931d1e31fd0cebb1f7

    SHA256

    d8c54f8acf22f245394b3e75ce818e34b1a1c977851c37ac8376e7261d09f614

    SHA512

    b0fab39e2901a1b4634cba6d9bf85603ac2017ff2fd50b1f070d5290c2b8d9fd79366b83e668ab0ce20c7347eedcbb319f4511c9f411e48291eb8a96e1e31ee3

  • \Users\Admin\AppData\Local\ihhelfertc

    Filesize

    21.8MB

    MD5

    ef378c299937494c86dd36b84a7dc4b2

    SHA1

    8efbdbf349b40cb12bc67e581463e47ba7b2e995

    SHA256

    797861cb55d1e8570522abaa8a3579d720ffd398c9c1553acf0bd1006e0669ad

    SHA512

    79d0f371422260900b1fa58e181e49acd87bc7702046d89617d2e0aae09b53d46a6e4f41f8479cab328bf91f5e433ddad1eb49ecdb8632a137c050e74e5feb45

  • memory/2944-13-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB