Analysis

  • max time kernel
    93s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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

Credentials

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

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 8 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:2952
    • 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:1600

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Dekont-2024-03-28,pdf.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1600-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1600-19-0x0000000005570000-0x0000000005580000-memory.dmp
    Filesize

    64KB

  • memory/1600-18-0x0000000074ED0000-0x0000000075680000-memory.dmp
    Filesize

    7.7MB

  • memory/1600-17-0x00000000065B0000-0x0000000006600000-memory.dmp
    Filesize

    320KB

  • memory/1600-16-0x00000000058B0000-0x0000000005916000-memory.dmp
    Filesize

    408KB

  • memory/1600-15-0x0000000005570000-0x0000000005580000-memory.dmp
    Filesize

    64KB

  • memory/1600-13-0x0000000074ED0000-0x0000000075680000-memory.dmp
    Filesize

    7.7MB

  • memory/2952-4-0x00000000053A0000-0x00000000053B0000-memory.dmp
    Filesize

    64KB

  • memory/2952-9-0x0000000009110000-0x00000000091AC000-memory.dmp
    Filesize

    624KB

  • memory/2952-8-0x0000000006AB0000-0x0000000006B32000-memory.dmp
    Filesize

    520KB

  • memory/2952-7-0x0000000005760000-0x000000000576C000-memory.dmp
    Filesize

    48KB

  • memory/2952-6-0x0000000005780000-0x000000000579A000-memory.dmp
    Filesize

    104KB

  • memory/2952-14-0x0000000074ED0000-0x0000000075680000-memory.dmp
    Filesize

    7.7MB

  • memory/2952-5-0x00000000050F0000-0x00000000050FA000-memory.dmp
    Filesize

    40KB

  • memory/2952-0-0x00000000007D0000-0x0000000000882000-memory.dmp
    Filesize

    712KB

  • memory/2952-3-0x0000000005110000-0x00000000051A2000-memory.dmp
    Filesize

    584KB

  • memory/2952-2-0x00000000057B0000-0x0000000005D54000-memory.dmp
    Filesize

    5.6MB

  • memory/2952-1-0x0000000074ED0000-0x0000000075680000-memory.dmp
    Filesize

    7.7MB