Overview

overview

10

Static

static

KAF-PR-21-...df.exe

windows7_x64

10

KAF-PR-21-...df.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    15-09-2021 06:56

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    KAF-PR-21-F-3089_pdf.exe

  • Size

    544KB

  • MD5

    b5fdcd6723e679c54a5f8652c59bc52a

  • SHA1

    fc83546ee73bea22ea563b9644700abef62d0ef2

  • SHA256

    245e18b14a6b231f2a89b812dace828478aa24419d600e2ac8c7acd989320e1a

  • SHA512

    788e6a270a1c05dad9bb322224ea62d6615828ab744e24879c363858ec68b8dddc83ecb0b4f99f39e594625b4effb26499d4fd07d11188ec6fb558fba93fb4a3

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.fclbd.com
  • Port:
    587
  • Username:
    ctg@fclbd.com
  • Password:
    abc@123@

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KAF-PR-21-F-3089_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\KAF-PR-21-F-3089_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\KAF-PR-21-F-3089_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OgRWrNP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB645.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:964
    • C:\Users\Admin\AppData\Local\Temp\KAF-PR-21-F-3089_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\KAF-PR-21-F-3089_pdf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/964-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1608-59-0x0000000075351000-0x0000000075353000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1608-68-0x00000000022F0000-0x0000000002F3A000-memory.dmp
    Filesize

    12.3MB

    Download
  • memory/1608-67-0x00000000022F0000-0x0000000002F3A000-memory.dmp
    Filesize

    12.3MB

    Download
  • memory/1608-66-0x00000000022F0000-0x0000000002F3A000-memory.dmp
    Filesize

    12.3MB

    Download
  • memory/1608-58-0x0000000000000000-mapping.dmp
    Download
  • memory/1620-65-0x0000000000200000-0x0000000000201000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1620-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1620-62-0x000000000043765E-mapping.dmp
    Download
  • memory/1620-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1620-69-0x0000000000201000-0x0000000000202000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1984-57-0x0000000000780000-0x00000000007B8000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1984-56-0x0000000004D80000-0x0000000004DE1000-memory.dmp
    Filesize

    388KB

    Download
  • memory/1984-52-0x00000000009F0000-0x00000000009F1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1984-55-0x0000000000270000-0x0000000000277000-memory.dmp
    Filesize

    28KB

    Download
  • memory/1984-54-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
    Filesize

    4KB

    Download