Analysis

  • max time kernel
    370s
  • max time network
    384s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    16-02-2025 17:39

Errors

Reason
Machine shutdown

General

  • Target

    BootstrapperNew 1.exe

  • Size

    50KB

  • MD5

    e04ffbc3f3dd5111ff1334d266652b79

  • SHA1

    b84171d543dd9f345813f0220142b9cfd9132e12

  • SHA256

    cd2c66350bccdd0152b592b3e7cb2c999e7923171f21a2ce887ac0d4eaf2032a

  • SHA512

    d65f661bd54f6aec9b7b5c10c87b90071c84c0c6d5a04d3a0727c1fdcf4099f5da2e3aeba7502e71c55059f8618c7dba85e1eb24dee8014b798ecc6eded93c3a

  • SSDEEP

    768:qdhO/poiiUcjlJInvdH9Xqk5nWEZ5SbTDaCWI7CPW5ispY:Mw+jjgnFH9XqcnW85SbTbWIqspY

Malware Config

Extracted

Family

xenorat

C2

108.77.173.66

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    3000

  • install_path

    appdata

  • port

    4758

  • startup_name

    Solara Bootstrapper Dependinces

Signatures

  • Detect XenoRat Payload 5 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Xenorat family
  • Downloads MZ/PE file 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
  • Reads user/profile data of web browsers 3 TTPs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BootstrapperNew 1.exe
    "C:\Users\Admin\AppData\Local\Temp\BootstrapperNew 1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Roaming\XenoManager\BootstrapperNew 1.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\BootstrapperNew 1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4680
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "Solara Bootstrapper Dependinces" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCB8.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4644
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:1188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BootstrapperNew 1.exe.log

    Filesize

    226B

    MD5

    66aea5e724c4a224d092067c3381783b

    SHA1

    ee3cc64c4370a255391bdfeef2883d5b7a6e6230

    SHA256

    04b17cab961f973464bba8924f764edef6451d1774f2405d27ef33d164296923

    SHA512

    5d719e303f491d1443cb7c7e8946481e90532522a422c98f82466e1eddcd1ef24a4505dcbf75f2191fbb66825d3550566d7f408a3854edeb4c1a192c8c9a6d06

  • C:\Users\Admin\AppData\Local\Temp\tmpBCB8.tmp

    Filesize

    1KB

    MD5

    0579f29ab936caa1c006d50f1afabd69

    SHA1

    afa6d1ab1e9b31cd9bf7acfac2bba38df09c431f

    SHA256

    23f8fa9c340f4d121e145654beba9923b9aec6e950b76162d1e4278dad391717

    SHA512

    26dd4b0bf8d4c71592ec86add436b3b91c0e278d26bf372bad755f900e1153c669b5c88b0b8d7d8a19f95bf781a644471f8b69e1ac27bac95544435c83a9f3ce

  • C:\Users\Admin\AppData\Roaming\XenoManager\BootstrapperNew 1.exe

    Filesize

    50KB

    MD5

    e04ffbc3f3dd5111ff1334d266652b79

    SHA1

    b84171d543dd9f345813f0220142b9cfd9132e12

    SHA256

    cd2c66350bccdd0152b592b3e7cb2c999e7923171f21a2ce887ac0d4eaf2032a

    SHA512

    d65f661bd54f6aec9b7b5c10c87b90071c84c0c6d5a04d3a0727c1fdcf4099f5da2e3aeba7502e71c55059f8618c7dba85e1eb24dee8014b798ecc6eded93c3a

  • memory/2940-1-0x0000000000660000-0x0000000000672000-memory.dmp

    Filesize

    72KB

  • memory/2940-0-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/4680-13-0x0000000001610000-0x0000000001660000-memory.dmp

    Filesize

    320KB

  • memory/4680-15-0x0000000006DC0000-0x00000000072EC000-memory.dmp

    Filesize

    5.2MB

  • memory/4680-10-0x0000000006140000-0x00000000061A6000-memory.dmp

    Filesize

    408KB

  • memory/4680-11-0x00000000057D0000-0x00000000058CA000-memory.dmp

    Filesize

    1000KB

  • memory/4680-12-0x00000000066C0000-0x0000000006882000-memory.dmp

    Filesize

    1.8MB

  • memory/4680-5-0x0000000074080000-0x0000000074831000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-14-0x00000000064F0000-0x0000000006566000-memory.dmp

    Filesize

    472KB

  • memory/4680-9-0x0000000074080000-0x0000000074831000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-16-0x00000000068A0000-0x00000000068BE000-memory.dmp

    Filesize

    120KB

  • memory/4680-17-0x0000000006A90000-0x0000000006B2C000-memory.dmp

    Filesize

    624KB

  • memory/4680-18-0x0000000006B30000-0x0000000006DB0000-memory.dmp

    Filesize

    2.5MB

  • memory/4680-19-0x0000000007460000-0x000000000746C000-memory.dmp

    Filesize

    48KB

  • memory/4680-20-0x0000000007CB0000-0x0000000008256000-memory.dmp

    Filesize

    5.6MB

  • memory/4680-21-0x0000000007800000-0x0000000007892000-memory.dmp

    Filesize

    584KB

  • memory/4680-22-0x00000000077F0000-0x00000000077FA000-memory.dmp

    Filesize

    40KB

  • memory/4680-23-0x0000000006570000-0x000000000657A000-memory.dmp

    Filesize

    40KB