Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 08:47

General

  • Target

    .exe

  • Size

    2.2MB

  • MD5

    b01a11449dd83a10497833b23fb0887d

  • SHA1

    8f5276ee02a5b4b23cb7e9d500dd0df71382e211

  • SHA256

    9b165f6672e74ed5dc437040829bd602afc411ce8c948c41b6d739bf1fbfb09a

  • SHA512

    cf3634a8253c439d54233162db10b9668f080e184e4e1b52aae60db303e89d2ca9fead16097937a871d54685592b1b58e389d481b94f6c261d5caec98223ec81

  • SSDEEP

    24576:ZFbkIsaPiXSVnC7Yp9zkNmZG8RRlnZyz/Iila8CJn0BgtscdTtOOa9pfthIDdsRQ:ZREXSVMDi350aFJqciOa925sRtMZ

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • 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.

  • Gh0strat family
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 10 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\.exe
    "C:\Users\Admin\AppData\Local\Temp\.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\3582-490\.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Users\Admin\AppData\Local\Temp\look2.exe
        C:\Users\Admin\AppData\Local\Temp\\look2.exe
        3⤵
        • Server Software Component: Terminal Services DLL
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:2240
      • C:\Users\Admin\AppData\Local\Temp\3582-490\HD_.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\HD_.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2888
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:560
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259437447.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1992

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

      Filesize

      547KB

      MD5

      cf6c595d3e5e9667667af096762fd9c4

      SHA1

      9bb44da8d7f6457099cb56e4f7d1026963dce7ce

      SHA256

      593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

      SHA512

      ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

    • C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe

      Filesize

      1.6MB

      MD5

      368d54c69746fb31b62a15f5e301985f

      SHA1

      87148fe56d71df166239e5459f50721d15bc7028

      SHA256

      c9d5ed0975c7e70358172241767af75cf390a79139345641aeab244ca129f9b2

      SHA512

      d4f2db7921a97345bf19340357534155a7ea2ad48fd1c58d437cbbc4790f06f1e0878b3eb85244a849fa55472711da883efbf8e299971f78d050233c51526b33

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      1.3MB

      MD5

      ebea7267d953cf95a2dc1c6b0a57738e

      SHA1

      6b03b9bf837a7fb61b4164b03c611335db5c56ab

      SHA256

      291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514

      SHA512

      335edeff6cc79633382ba83105497ef6a4eba5b5696164bc0703df6546a7e5c1c994262063e0eaf28f909cb4dd7f242b6209862de4e05e6ff82853bb2149d899

    • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

      Filesize

      252KB

      MD5

      9e2b9928c89a9d0da1d3e8f4bd96afa7

      SHA1

      ec66cda99f44b62470c6930e5afda061579cde35

      SHA256

      8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

      SHA512

      2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

    • \Users\Admin\AppData\Local\Temp\3582-490\.exe

      Filesize

      2.1MB

      MD5

      3e1b9039148d196063ab784e4548e798

      SHA1

      bb8c6ddf201aa6f3a23649fc7d206f6471f4f024

      SHA256

      c96306e907e6532cb82ae4d410a5ca72fd19955e28d4c209f7b2495da9925b88

      SHA512

      39c121a7bdb91074aac4af762cdb824d7bb78c71ac1bb4acf500293afb35e92dc49da65d91646ebbf03ae31d2428ac07409139e76bfef37c2451bc0c313af6c4

    • \Users\Admin\AppData\Local\Temp\3582-490\HD_.exe

      Filesize

      896KB

      MD5

      8bacad1c57463f2e403ca5656ffa129e

      SHA1

      7cd8041fb1bd703d31f778700813531ed43882da

      SHA256

      bdec97ee615088549771300bd65d6114a74dd0a4c1ecc6bb4ffc8ac484f19fac

      SHA512

      40a5a0cabd2561b2d32ec14e91172db6f812d0e2dcc6cfda3a2f458e0994fc387324212bd47f21acb6d05bed151a96ad444a0a5a7f7bb35ae6fd0dcd57d25d64

    • \Users\Admin\AppData\Local\Temp\look2.exe

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259437447.bat

      Filesize

      51KB

      MD5

      c3ac037ec51ccd9a87f3d5afe5d05a67

      SHA1

      b1f30d835f72992856597d3bfef4b595cac30162

      SHA256

      4f4f63931c808d8dc3f58b5396d67f9a86e6c19342c4b6557b30a8c95128d42b

      SHA512

      e9d3d20353a488f5a4f4df6d0207069bc8c92f6849a3ac64ef2964f8bd8ae62128c1e24c36f8475918f045e7f8cfdcad2be21004f3c44717aa554fc77ea177b6

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2400-125-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2400-127-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB