Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2024 18:59

General

  • Target

    e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe

  • Size

    200KB

  • MD5

    9933491afe789b82723b7f8499fe85aa

  • SHA1

    3e3cbea4eab8dc8bc7b372567e1e99dbb4dc526f

  • SHA256

    e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019

  • SHA512

    ac2ca28a223d67784833c581ac5b5ab90e9614f1e07a27cb9ed4e60cc901df0025fe95e9eb467cdbb37a77ceb7287c0f9c1598409c6f5a9e840f4eb4bd1fa7e2

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTX:X2vnSwjaOcADw9cUeCOfx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 Program Files directory 4 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe
    "C:\Users\Admin\AppData\Local\Temp\e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\uiuywlok.exe "C:\Users\Admin\AppData\Local\Temp\e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2816
      • C:\Users\Admin\AppData\Local\Temp\uiuywlok.exe
        C:\Users\Admin\AppData\Local\Temp\\uiuywlok.exe "C:\Users\Admin\AppData\Local\Temp\e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1532
        • \??\c:\Program Files\xqunc\utw.exe
          "c:\Program Files\xqunc\utw.exe" "c:\Program Files\xqunc\utwth.dll",Compliance C:\Users\Admin\AppData\Local\Temp\uiuywlok.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\xqunc\utw.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    201KB

    MD5

    11b623939f9f2c5d1cb07cc32b1069eb

    SHA1

    6b46c0c57b3a7e88750794b5d3ece35e4d1ba8c2

    SHA256

    12c27db594cbc1af0225a810ceedbaba9a280999d008121bb286870a4a9de5c5

    SHA512

    55000661aebff959964f9adb190f5df2797d6522902a03ccad3418ea34560f515522ce52fe02cc9b34aab81ee29ced3a9258d616063b64cd92b9c8cd819ed890

  • \??\c:\Program Files\xqunc\utwth.dll

    Filesize

    141KB

    MD5

    f7086063cfcdb28d6d287254a9bc2b04

    SHA1

    86d60e83e3a6444ad00f9d84fdd5ba50086d6c96

    SHA256

    86e5509b30dab6ecbca585c6fe376c6986abcb5c9a9b0411e7b6bd844eb8c1e1

    SHA512

    76f29c56ba8f5a479b8a163a37f2cc27ff4f662b9779f70f6075d5b2211a5cd50848a4bc99e8f435534e8d8acbaa812546aafdd6668d78b5c29f2ca7ca0eb930

  • memory/1532-8-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1532-9-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1532-15-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/3692-19-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/3692-20-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/3692-24-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/4676-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4676-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4676-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4676-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB