Analysis

  • max time kernel
    68s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 07:09

General

  • Target

    Swift copy-MT103___________________________________________________________________________________________.exe

  • Size

    15KB

  • MD5

    d423232b851ec4d05782628579167877

  • SHA1

    f379b79860c17a06ba21d2ce0a388ceb8cbeb206

  • SHA256

    098c30f5be90148d97ead8f3c0aadafd8ac199d1e0207f33b7bbd203f9deff27

  • SHA512

    5189f4370ac555983ec7949248bb2f7797c8fc2fffa530abca01699f27fa35ab356ce7b7366a66a33521c699491fdf44150a4e4aef8f757861e95031a10f82de

  • SSDEEP

    192:aQvmrcXEyNpDjqqXtT0f4iYQ+Ilmqvpunc6nQuOKBq/qgUG2CVXhOF5I27:aqXEyNpHqatTKGWZpu5QuTU/qgJJAD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lulifama.nl
  • Port:
    587
  • Username:
    Sidney@lulifama.nl
  • Password:
    5UbPvLRka8

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

  • 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 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift copy-MT103___________________________________________________________________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift copy-MT103___________________________________________________________________________________________.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1900
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:892

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/892-58-0x0000000000000000-mapping.dmp
  • memory/892-60-0x000000006E400000-0x000000006E9AB000-memory.dmp
    Filesize

    5.7MB

  • memory/892-61-0x000000006E400000-0x000000006E9AB000-memory.dmp
    Filesize

    5.7MB

  • memory/892-62-0x000000006E400000-0x000000006E9AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1900-54-0x0000000000930000-0x000000000093A000-memory.dmp
    Filesize

    40KB

  • memory/1900-55-0x00000000759F1000-0x00000000759F3000-memory.dmp
    Filesize

    8KB

  • memory/1900-56-0x00000000058D0000-0x000000000598C000-memory.dmp
    Filesize

    752KB

  • memory/1900-57-0x0000000005FE0000-0x0000000006072000-memory.dmp
    Filesize

    584KB

  • memory/1900-63-0x0000000004DE0000-0x0000000004E1A000-memory.dmp
    Filesize

    232KB