Overview

overview

10

Static

static

INV & PL F...88.exe

windows7_x64

10

INV & PL F...88.exe

windows10_x64

3

Analysis

  • max time kernel
    129s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30-06-2020 12:14

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General

  • Target

    INV & PL FOR CONTAINER#MRKU0425288.exe

  • Size

    400KB

  • MD5

    2a6991b86ef3ddb7e0807f2bc3375d29

  • SHA1

    c6aaeb91edde96bda59a6dc23e691c92a56542f6

  • SHA256

    c729fe749d29e3dc9ebfc56c96f7bc99544df5b09bff25e47a57a3bc9bbc3183

  • SHA512

    49c6877a7ed87e6b5523a80fe3824e57dcde5102867115213f7200798e2eb30041436b7af5a1e37aef773b57cb97366e7c1526b884fa3241f6ddaac9a27cac8f

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.chirophysic.co.ke
  • Port:
    587
  • Username:
    log1@chirophysic.co.ke
  • Password:
    hungry11111@

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

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

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

    spyware
  • 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
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INV & PL FOR CONTAINER#MRKU0425288.exe
    "C:\Users\Admin\AppData\Local\Temp\INV & PL FOR CONTAINER#MRKU0425288.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HsOeTJAzt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82E5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1852
    • C:\Users\Admin\AppData\Local\Temp\INV & PL FOR CONTAINER#MRKU0425288.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp82E5.tmp
    MD5

    bc4505d7f8d4b3e11df33d3c95b66aa7

    SHA1

    4086f6aaeeadf9cc8aef6280978dfb2007ba766b

    SHA256

    a5ddfb738a043bfa1d352357bc29968ece13ca742d928398022670ded1f57086

    SHA512

    28f5c6d1497c09c0f96a9e01801f4b52604aeaacd4f8ac0dcf85d139ac23613dc1628cbb7e855b9d0c6c9a5e55d3f7fd015a564470924c33799ca8473395b8b2

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  • memory/1396-8-0x0000000000000000-mapping.dmp
    Download
  • memory/1668-1-0x0000000000000000-0x0000000000000000-disk.dmp
    Download
  • memory/1852-2-0x0000000000000000-mapping.dmp
    Download
  • memory/1892-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1892-5-0x000000000044743E-mapping.dmp
    Download
  • memory/1892-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1892-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download