Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/04/2026, 00:45

General

  • Target
    2026-04-23_476ac48c454be775cd4eb0bdd62046e3_bjlog_elex_gh0st-rat_wannacry.exe
  • Size 24.9MB
  • Sample260423-a39kvaez8x
  • SHA256 f537fbcfee433097eb81fdeafd39f0ca2cfefc0899c6c467ccb8646218776ab4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Gh0strat

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

  • Gh0st RAT payload 4 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 6 IoCs
  • Program crash 3 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_476ac48c454be775cd4eb0bdd62046e3_bjlog_elex_gh0st-rat_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_476ac48c454be775cd4eb0bdd62046e3_bjlog_elex_gh0st-rat_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3972
    • \??\c:\users\admin\appdata\local\ijpiulccxi
      "C:\Users\Admin\AppData\Local\Temp\2026-04-23_476ac48c454be775cd4eb0bdd62046e3_bjlog_elex_gh0st-rat_wannacry.exe" a -sc:\users\admin\appdata\local\temp\2026-04-23_476ac48c454be775cd4eb0bdd62046e3_bjlog_elex_gh0st-rat_wannacry.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3116
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs
    1⤵
      PID:2904
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 1120
        2⤵
        • Program crash
        PID:5668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2564 -ip 2564
      1⤵
        PID:5492
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility
        1⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 920
          2⤵
          • Program crash
          PID:1216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4884 -ip 4884
        1⤵
          PID:6052
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility
          1⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4672
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 900
            2⤵
            • Program crash
            PID:3576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4672 -ip 4672
          1⤵
            PID:6028

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                ijpiulccxi

                • Path C:\Users\Admin\AppData\Local\ijpiulccxi
                • Size 24.9MB
                • SHA256 989fd91588382c16c93305695265b6e7bace4470a253919a3738e9894002b9e2
                • MD5 SHA1 SHA512 SSDEEP TLSH

                svchost.exe.txt

                • Path C:\Windows\SysWOW64\svchost.exe.txt
                • Size 202B
                • SHA256 394d24981ca43c069bb7cc8e179df8756696a94c78eec868812d6998d9edab4e
                • MD5 SHA1 SHA512 TLSH

                svchost.exe.txt

                • Path C:\Windows\SysWOW64\svchost.exe.txt
                • Size 303B
                • SHA256 cdb5f40a5ecc3f580aed2fc1c4479a7fbea8278f79482fce8696e6f9b127da8f
                • MD5 SHA1 SHA512 TLSH

                usben.cc3

                • Path \??\c:\programdata\application data\storm\update\%sessionname%\usben.cc3
                • Size 21.1MB
                • SHA256 d2b8b8b34445a2c9108d23c702885e9e70a0532f8b88c9ab40b4d23efb4e78f0
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/2564-9-0x00000000019E0000-0x00000000019E1000-memory.dmp

                memory/2564-11-0x0000000020000000-0x0000000020027000-memory.dmp

                memory/4672-18-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

                memory/4672-21-0x0000000020000000-0x0000000020027000-memory.dmp

                memory/4884-13-0x00000000009F0000-0x00000000009F1000-memory.dmp

                memory/4884-16-0x0000000020000000-0x0000000020027000-memory.dmp