Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 02:24

General

  • Target

    432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe

  • Size

    2.3MB

  • MD5

    3661801094ece049030d74f100a62a7d

  • SHA1

    be2ad7cb68f836ed2eb7904d84a736b7bdfff46f

  • SHA256

    432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf

  • SHA512

    72659287e7fc1c22ce7a3d7e8bae4121395cd32f1553069fadb2c80badea58a5ec80a18a5915ba38858bdf829524748bdf5eacdf2f289565dbd60a26f50757bb

  • SSDEEP

    24576:YFbkIsaPiXSVnC7Yp9zkNmZG8RRln4yz1Iila8CUpDPkebAeppIg1QR0zKWs6c8u:YREXSVMDi3C0aFUF/pRzK9ihFlkZ

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 3 IoCs
  • Loads dropped DLL 7 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 5 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe
    "C:\Users\Admin\AppData\Local\Temp\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.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:2268
    • C:\Users\Admin\AppData\Local\Temp\3582-490\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2544
      • 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:2288
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2876
    • 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:2912
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259522233.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      547KB

      MD5

      cf6c595d3e5e9667667af096762fd9c4

      SHA1

      9bb44da8d7f6457099cb56e4f7d1026963dce7ce

      SHA256

      593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

      SHA512

      ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

    • C:\Users\Admin\AppData\Local\Temp\3582-490\432ea6299e26471cc3f16ebe28bc694e45afd3d85f11ac5bd5395cb2f951d3bf.exe

      Filesize

      2.2MB

      MD5

      70e7fc95995215806697e6f7464ae162

      SHA1

      66630fe8d91d87420d75175ae377e502002b8532

      SHA256

      b509ede47c7f127da5e1e9124aea85a41f6279bc5a97d17e4f4cfc6873dc3b67

      SHA512

      7b4e35420d531a768d67780ddd771c1f9ca6a9e2106a5f42ed644edbf151e7a88db9a55cd7d23012a27d74f07bc1ce8114307cf7f8abf883a399298271fa0c45

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

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

      Filesize

      252KB

      MD5

      9e2b9928c89a9d0da1d3e8f4bd96afa7

      SHA1

      ec66cda99f44b62470c6930e5afda061579cde35

      SHA256

      8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

      SHA512

      2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

    • \Windows\SysWOW64\259522233.bat

      Filesize

      51KB

      MD5

      8fc2871e5e70ce0b21ff0ee012fdbaae

      SHA1

      b55461faff586d1a5b24abbb02a2b153f847f9b7

      SHA256

      4466fec89fc1b6cfaa5fb1cf8eb4ae6022c172e84a5343708df6f6ecd3f3ed65

      SHA512

      5509a333712951a91c79ce5c710c2736b28fe2e2e0225d606eb841eba439d20a09d999ce02243360e847ff85f620ee70ca63e6e0efe8a26233d5da7a1ca177ca

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2268-103-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2268-105-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB