Analysis

  • max time kernel
    120s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30-06-2020 13:36

General

  • Target

    aa250511bf99e715a6b37fc643f355d8.exe

  • Size

    500KB

  • MD5

    aa250511bf99e715a6b37fc643f355d8

  • SHA1

    4ee5f574ed4c49a269d257e353baf736e50210d2

  • SHA256

    fd512bcb35f6f9b41f33ec961e46e3b80a774d8038a03abb1b693064a84f8f1a

  • SHA512

    c1df88c46297ddd410dbcc874f6c43c396650e5e596e1fd246aea22ec2a2a4f8553ebed4a24a5aae511f082d8c5343c0511389c945d7eb4effcd190b66b014b9

Score
7/10

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of WriteProcessMemory 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa250511bf99e715a6b37fc643f355d8.exe
    "C:\Users\Admin\AppData\Local\Temp\aa250511bf99e715a6b37fc643f355d8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1324
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uZqSwbKtyNUePA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C7C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1252
    • C:\Users\Admin\AppData\Local\Temp\aa250511bf99e715a6b37fc643f355d8.exe
      "C:\Users\Admin\AppData\Local\Temp\aa250511bf99e715a6b37fc643f355d8.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1792

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2C7C.tmp
  • memory/1252-3-0x0000000000000000-mapping.dmp
  • memory/1324-0-0x0000000000000000-0x0000000000000000-disk.dmp
  • memory/1792-5-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1792-6-0x000000000044B76E-mapping.dmp
  • memory/1792-7-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1792-8-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB