Resubmissions

26-05-2024 17:06

240526-vmg6wade6v 10

26-05-2024 12:49

240526-p2q5faeh27 10

26-05-2024 12:43

240526-pyanaadf3s 10

Analysis

  • max time kernel
    138s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 12:43

General

  • Target

    XClient.exe

  • Size

    32KB

  • MD5

    53d9b475ab5b6a31e7b89c28d49b2196

  • SHA1

    118000b987a127ae6065f9739b583038e0f1780b

  • SHA256

    5b64cc2c1a7d550a5fb1d344d373be0cf9a8a5041f5e7b33534a9aaee06a9073

  • SHA512

    302b7e312298445df0fbecd5d8fa54086eefa85b2b3ed238481a385a5fa2a148c11b681c1a5a57dd20e5602f2430185738ab5ac134f3d2d965760ff84ec7f949

  • SSDEEP

    768:+RPD9OQhx/BV3Tw4e1dVFE9jiOjhfbhO:+d9OW/V3U4epFE9jiOjJFO

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

0.tcp.eu.ngrok.io:10897

Mutex

QUjY5ulhX0UCX61h

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB58F.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB58F.tmp.bat

    Filesize

    159B

    MD5

    491e12f1a7037f33b6f7c8794e4ffd7d

    SHA1

    28992faaf66f8a454688db26e2b2a11f1a195cdb

    SHA256

    74209c62b9a3cb2c4001adf0a2c4b5900e7fe3ee5964711c2bc8b0c1368a166d

    SHA512

    10c8958b1c37ab49fe883588c0a34156be30ebb200166ed051025107ecedee9a6a8e07e76ddde872c706e1c3c6333af840c34f4cf594c4d96d5aff1501aa650a

  • memory/2924-0-0x00007FFEF8BF3000-0x00007FFEF8BF5000-memory.dmp

    Filesize

    8KB

  • memory/2924-1-0x0000000000DF0000-0x0000000000DFE000-memory.dmp

    Filesize

    56KB

  • memory/2924-2-0x00007FFEF8BF0000-0x00007FFEF96B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2924-3-0x00007FFEF8BF0000-0x00007FFEF96B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2924-4-0x0000000002E80000-0x0000000002E8C000-memory.dmp

    Filesize

    48KB

  • memory/2924-9-0x00007FFEF8BF0000-0x00007FFEF96B1000-memory.dmp

    Filesize

    10.8MB