Overview

overview

10

Static

static

10

0x00010000...40.exe

windows7-x64

10

0x00010000...40.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22-03-2023 01:11

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General

  • Target

    0x000100000002311c-140.exe

  • Size

    156KB

  • MD5

    ed44dc5ec5d2f4f29288cc873d7b6e5e

  • SHA1

    63f471a8a2f5d21c6cc717ff4df5963fe0b426be

  • SHA256

    4060e66fbf7ff0ba0514d76d7e89e7e79f75b381d8145eb1fad15da55a2a9393

  • SHA512

    5aa192bfa71a94915e50ecdb40d59452b9c44bafd019b4d0632455a53034df6a28dd1bef663b0ad20889a60f65165d3ea317d1be3230c0d36d59377126a9d2a3

  • SSDEEP

    3072:zN+vmIkjrj5dks6rZbFdUOB1dHBz65/M6If+3Js+3JFkKeTno:zN+uIorjTk9NbfHxBt25

Score
10/10
xwormpersistencerattrojan

Malware Config

Signatures

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x000100000002311c-140.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000100000002311c-140.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "0x000100000002311c-140" /tr "C:\Users\Admin\AppData\Local\Temp\0x000100000002311c-140.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1104
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F934917C-2FD5-4092-824E-9A0BD960D62F} S-1-5-21-3430344531-3702557399-3004411149-1000:WFSTZEPN\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Local\Temp\0x000100000002311c-140.exe
      C:\Users\Admin\AppData\Local\Temp\0x000100000002311c-140.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:308
    • C:\Users\Admin\AppData\Local\Temp\0x000100000002311c-140.exe
      C:\Users\Admin\AppData\Local\Temp\0x000100000002311c-140.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1748

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1128-54-0x0000000000240000-0x000000000026C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/1128-56-0x000000001B280000-0x000000001B300000-memory.dmp
    Filesize

    512KB

    Download