Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 15:13

General

  • Target

    works (i thimk).exe

  • Size

    46KB

  • MD5

    63b36e568577473bb71a7b54f56e8ec2

  • SHA1

    7a36dc6d73687d3e8df8b02abeeaf52b7075e33d

  • SHA256

    0a4869f2b7d46eda43c07a1986f8cccecc36b42bf5587b146f6f6a5f119b2bb5

  • SHA512

    9c41f09037d56b7143596526a26d0a0fd5d45f0d2b1e31e56950a35ef494b60eaf0941cb0e0e485228216aba2fe0accf295988fcc20d664fe9b1bbb20e223305

  • SSDEEP

    768:jdhO/poiiUcjlJInljsZ8H9Xqk5nWEZ5SbTDaBuI7CPW57:xw+jjgn1sZ8H9XqcnW85SbTkuID

Malware Config

Extracted

Family

xenorat

C2

communication-sig.gl.at.ply.gg

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    temp

  • port

    3038

  • startup_name

    Java Updater

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 7 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe
    "C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe
      "C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "Java Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB49A.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4500
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /query /v /fo csv
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1864
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /delete /tn "\Java Updater" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:904
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4552
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2796
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\works (i thimk).exe.log

    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe

    Filesize

    46KB

    MD5

    63b36e568577473bb71a7b54f56e8ec2

    SHA1

    7a36dc6d73687d3e8df8b02abeeaf52b7075e33d

    SHA256

    0a4869f2b7d46eda43c07a1986f8cccecc36b42bf5587b146f6f6a5f119b2bb5

    SHA512

    9c41f09037d56b7143596526a26d0a0fd5d45f0d2b1e31e56950a35ef494b60eaf0941cb0e0e485228216aba2fe0accf295988fcc20d664fe9b1bbb20e223305

  • C:\Users\Admin\AppData\Local\Temp\tmpB49A.tmp

    Filesize

    1KB

    MD5

    29eb753358d125c7c390bbc045159183

    SHA1

    e4d75fddaed27d5f9c6cebb61b9a894c86537172

    SHA256

    177305de144cf978284546c92b54d160292c5eadc50d1a60e6e5d4d335558129

    SHA512

    f81ceaf387b4ba65cbfec795231422a6df11bc7f4a9566c68a3f5c4407283adfe1e5d3f27259f84a101460fdcd4369fe7089b88d36b2651ad5656bb4aba39820

  • memory/2120-0-0x000000007458E000-0x000000007458F000-memory.dmp

    Filesize

    4KB

  • memory/2120-1-0x00000000004F0000-0x0000000000502000-memory.dmp

    Filesize

    72KB

  • memory/2520-15-0x0000000074580000-0x0000000074D30000-memory.dmp

    Filesize

    7.7MB

  • memory/2520-18-0x0000000005650000-0x00000000056B6000-memory.dmp

    Filesize

    408KB

  • memory/2520-19-0x0000000074580000-0x0000000074D30000-memory.dmp

    Filesize

    7.7MB

  • memory/2520-20-0x0000000074580000-0x0000000074D30000-memory.dmp

    Filesize

    7.7MB

  • memory/2520-34-0x0000000074580000-0x0000000074D30000-memory.dmp

    Filesize

    7.7MB

  • memory/4556-22-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-23-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-27-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-33-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-32-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-31-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-30-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-29-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-28-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB

  • memory/4556-21-0x000001A0D37A0000-0x000001A0D37A1000-memory.dmp

    Filesize

    4KB