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Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2025, 04:28

General

  • Target

    JaffaCakes118_319457f48e0c52165f9bdd0fb53837da.exe

  • Size

    137KB

  • MD5

    319457f48e0c52165f9bdd0fb53837da

  • SHA1

    0573839f46a1d83c2f1e6b1dc976e1008006c1d8

  • SHA256

    36ac25c2091b56bbd5407e2fc11666e02da1db030bfe391f07607bf5e1f95ddb

  • SHA512

    55572b9b17ab0a014ab04919347b84d5265144ebe31f152d4ff4c6adc25e318bb6d593e00d80817c85e9ba18191840af3cc3f69204ce4090434b2e9d47cea3b0

  • SSDEEP

    3072:c6JR+uNAEaC3KtYlG4tOLjzqch+ChaCraZE6UVhn/06zl/Xey:cgZNATdYlG4AzqE+CxruE6Ufn/V

Malware Config

Signatures

  • Gh0st RAT payload 4 IoCs
  • Gh0strat

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

  • Gh0strat family
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 8 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_319457f48e0c52165f9bdd0fb53837da.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_319457f48e0c52165f9bdd0fb53837da.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:456
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\爱情、经不起时间或距离的考验.doc" /o ""
      2⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4896
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:4836
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:4168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\TCDC68.tmp\gb.xsl

    Filesize

    262KB

    MD5

    51d32ee5bc7ab811041f799652d26e04

    SHA1

    412193006aa3ef19e0a57e16acf86b830993024a

    SHA256

    6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

    SHA512

    5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    111KB

    MD5

    adcde10f51f6bd5bf78adf6fcee9d536

    SHA1

    449a4df49d11dd81408cbde26fbf9f7ec05aba12

    SHA256

    91e6cf834dbaf6e3e74c300b2d5963bb638c2503c4678551a7f73c40294e99b3

    SHA512

    9105c71ed42b5bb7a83ba25fa3fc062412d6c983f6aaae145ec51a19f3ba054b6175ac33603f9194bb9882d8a6468512db4997cbed36ec88fa57f92785ef7e4a

  • C:\Users\Admin\AppData\Local\Temp\爱情、经不起时间或距离的考验.doc

    Filesize

    39KB

    MD5

    ac9aeb5e3cc8392ac924397c812c96ae

    SHA1

    39c4c1ff0c939ce3e4ea9a30781f72110bda01e2

    SHA256

    6420c2c2176a1308573275dd6fe21ac1f1c11d1c046c3fce2b74381233262049

    SHA512

    53df2938f0731721202cb81ffa4aeab4432ba2aa7ff2d9a585729e2e271c0ef472eccc284590088024fdb1ed75598168462b18baf584459056902d60dd6f5d18

  • C:\Windows\SysWOW64\FastUserSwitchingCompatibilityex.dll

    Filesize

    99KB

    MD5

    7fd4b6c2d3d37e4d6478eb0a0c6a8661

    SHA1

    723eedb5cc3f7a05ae08d82e4d4fb25855e13301

    SHA256

    fa0a6f47ab8d501e3620dd673ebfe97fce17e611fc29cea111185f4e0ba7f34a

    SHA512

    c49adeb4e0d8733aa9bc4209ec95f558c90aae9e5ccfc0a51d59b465b352b4e2ab83a78de5fee42a89b277f59f07da73c15c5c341cc48dede7c697e6dd3623a8

  • memory/4836-15-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4836-32-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4896-25-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

    Filesize

    64KB

  • memory/4896-28-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-19-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-27-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-26-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

    Filesize

    64KB

  • memory/4896-29-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-24-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

    Filesize

    64KB

  • memory/4896-33-0x00007FFB72C50000-0x00007FFB72C60000-memory.dmp

    Filesize

    64KB

  • memory/4896-17-0x00007FFBB500D000-0x00007FFBB500E000-memory.dmp

    Filesize

    4KB

  • memory/4896-23-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

    Filesize

    64KB

  • memory/4896-37-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-38-0x00007FFB72C50000-0x00007FFB72C60000-memory.dmp

    Filesize

    64KB

  • memory/4896-36-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-35-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-34-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-57-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-59-0x00007FFBB500D000-0x00007FFBB500E000-memory.dmp

    Filesize

    4KB

  • memory/4896-58-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-60-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

    Filesize

    2.0MB

  • memory/4896-16-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

    Filesize

    64KB