Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 18:41

General

  • Target

    Dekont-2024-03-28,pdf.exe

  • Size

    684KB

  • MD5

    e886fc4734fee8c0445802549df61e16

  • SHA1

    373856ccf95b0aba82a3bea3066fcc657046d78d

  • SHA256

    8a54d486d4b795af1b8f7506dfa69e2e9fc298a361521af183cb9809cdc3d68b

  • SHA512

    274073137bb5505a9e139b361b5a873227cf8f2e4b44834ce83dab8aaf5d87d04c0048305eda99789d62f805e9649b60adbc192355e8eefbf3a357d566b3957b

  • SSDEEP

    12288:O/H30YOwqOpJWGEDC2qlHcf1LUTEYct5gWgbrWN3DrSD0ZrTBCu7VzbxTstF8:iO7MCDA2W+JgbrWFDW0ZrTT7Vt0F8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Bossu_56@@12345@_

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Dekont-2024-03-28,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Dekont-2024-03-28,pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Users\Admin\AppData\Local\Temp\Dekont-2024-03-28,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Dekont-2024-03-28,pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2652-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2652-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2652-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2652-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2652-22-0x0000000074610000-0x0000000074CFE000-memory.dmp
    Filesize

    6.9MB

  • memory/2652-21-0x0000000004980000-0x00000000049C0000-memory.dmp
    Filesize

    256KB

  • memory/2652-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2652-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2652-20-0x0000000074610000-0x0000000074CFE000-memory.dmp
    Filesize

    6.9MB

  • memory/2652-23-0x0000000004980000-0x00000000049C0000-memory.dmp
    Filesize

    256KB

  • memory/2652-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2652-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2956-0-0x0000000000D00000-0x0000000000DB2000-memory.dmp
    Filesize

    712KB

  • memory/2956-1-0x0000000074610000-0x0000000074CFE000-memory.dmp
    Filesize

    6.9MB

  • memory/2956-19-0x0000000074610000-0x0000000074CFE000-memory.dmp
    Filesize

    6.9MB

  • memory/2956-2-0x0000000004EF0000-0x0000000004F30000-memory.dmp
    Filesize

    256KB

  • memory/2956-5-0x0000000004E30000-0x0000000004EB2000-memory.dmp
    Filesize

    520KB

  • memory/2956-4-0x00000000002A0000-0x00000000002AC000-memory.dmp
    Filesize

    48KB

  • memory/2956-3-0x0000000000310000-0x000000000032A000-memory.dmp
    Filesize

    104KB