Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2023 01:02

General

  • Target

    cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe

  • Size

    868KB

  • MD5

    cf262eb3fb280d9eb218f99c724437ce

  • SHA1

    ae94b55f84ddf2509d020ef59f7b81c04c524443

  • SHA256

    cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec

  • SHA512

    91019817d84976bbb1d651212b00f741e80aa3b57edfceba093c8ab7f2e27f24a49edadb968dffc21e432395933e34e74d628ff5cb69266702c054dce45cf566

  • SSDEEP

    12288:0WyzRXfVVacmd2nTDxoxOFR5Lp5KjpuSkbdeBPzzQ8xH0g:nyzR9VTmdKTDWxOdYpQpe

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 35 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe
    "C:\Users\Admin\AppData\Local\Temp\cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe
      C:\Users\Admin\AppData\Local\Temp\cbfc4a113fb44f752bc2911f4e4cb78c7c03f673061c20ce31bc0c4cff6b85ec.exe
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1656-0-0x0000000001150000-0x0000000001230000-memory.dmp

    Filesize

    896KB

  • memory/1656-1-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/1656-2-0x0000000000D30000-0x0000000000DD8000-memory.dmp

    Filesize

    672KB

  • memory/1656-3-0x0000000004B80000-0x0000000004BC0000-memory.dmp

    Filesize

    256KB

  • memory/1656-4-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-5-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-7-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-9-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-11-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-13-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-15-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-17-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-19-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-21-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-23-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-25-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-27-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-29-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-31-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-33-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-35-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-37-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-39-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-41-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-43-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-45-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-47-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-49-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-51-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-53-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-55-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-57-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-59-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-61-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-63-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-65-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-67-0x0000000000D30000-0x0000000000DD2000-memory.dmp

    Filesize

    648KB

  • memory/1656-926-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/1656-927-0x00000000003F0000-0x0000000000432000-memory.dmp

    Filesize

    264KB

  • memory/1656-928-0x0000000000B50000-0x0000000000B9C000-memory.dmp

    Filesize

    304KB

  • memory/1656-943-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-942-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-944-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2456-945-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

    Filesize

    256KB

  • memory/2456-948-0x0000000074150000-0x000000007483E000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-949-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

    Filesize

    256KB