Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-07-2024 14:16

General

  • Target

    PO-4093021 copy.exe

  • Size

    805KB

  • MD5

    642da53966f1bf49b013e96fc9584ea7

  • SHA1

    3f0b9179ee12bf189c46bd06ba2ab29d17eadbff

  • SHA256

    3a85cb51540571b98adc8edbe330bf0169582553a2c3bdb81171ebb5761ae001

  • SHA512

    1a82c0a03189229a7d4d1ccf32bf6c184a8e32914648fcf175f65b7d4117c117a2d5df67156c145d705948763de02f69ee125cce2d5085db503a2899aa0e34b7

  • SSDEEP

    12288:6nJl5JiwLr7Etmver3O8ComsoG65ymQHjqy++r1giiUWhbtQnwOycVeTBdWk:6nJNiMQrwSTOajM+BNRYBjORV

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.xtrafurniture.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    #48#Xtr@furn!tur3

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 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 3 IoCs

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

  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-4093021 copy.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-4093021 copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wFaYFsjG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C16.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1976
    • C:\Users\Admin\AppData\Local\Temp\PO-4093021 copy.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2412

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3C16.tmp
    Filesize

    1KB

    MD5

    e60625d5fa7f3edc350005bed831000c

    SHA1

    484bf03c91d18059630e47539807b05aba0b2b67

    SHA256

    c64322466e79be677b8e648fa34706df31d86757f0b69b4e92cfe554b5197bb4

    SHA512

    ef96ea16dfbde035442db12654f775ac43de1d5da3ce48fbb1ed8f6d9baa167a39c18ad07a6f5c748bba321889264e318e7469b07312e559e11cacb8682235fc

  • memory/1596-0-0x0000000073FBE000-0x0000000073FBF000-memory.dmp
    Filesize

    4KB

  • memory/1596-1-0x0000000000830000-0x0000000000900000-memory.dmp
    Filesize

    832KB

  • memory/1596-2-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/1596-3-0x0000000000260000-0x0000000000270000-memory.dmp
    Filesize

    64KB

  • memory/1596-4-0x0000000073FBE000-0x0000000073FBF000-memory.dmp
    Filesize

    4KB

  • memory/1596-5-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/1596-6-0x0000000005240000-0x00000000052F0000-memory.dmp
    Filesize

    704KB

  • memory/1596-25-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/2412-24-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2412-20-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2412-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2412-16-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2412-14-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2412-22-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2412-12-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2412-26-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/2412-27-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/2412-10-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2412-28-0x00000000004B0000-0x00000000004F4000-memory.dmp
    Filesize

    272KB

  • memory/2412-46-0x00000000046E0000-0x00000000046F4000-memory.dmp
    Filesize

    80KB

  • memory/2412-51-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB