Overview

overview

10

Static

static

PURCHASE ORDER.exe

windows7_x64

10

PURCHASE ORDER.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    116s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:34

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General

  • Target

    PURCHASE ORDER.exe

  • Size

    854KB

  • MD5

    925ec4c511aef015d943d357fed38a78

  • SHA1

    0d95b2c91d39b0c779a6b7c20aae5352b410f3f5

  • SHA256

    07424ad0d92da73a502fdc7ad3c67ee6a7e882cbfd3abfad1cf4f33c4b5e4597

  • SHA512

    bd5ebb1046e5378b9450d51e9d9931de6610ae5e00d62a028b9e4c058545ea858184a7699e65bfbe76d1c4b2c7f2e08a83e4ab621f67e8b341166e786a48d56f

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    connect

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 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
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\obUaHe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0AA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:840
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:580

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

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB0AA.tmp
    Filesize

    1KB

    MD5

    467380a13dd4d302ce03a47027948b5a

    SHA1

    850c5c717d45ae8295cef01a03dd9ec21de6f2a0

    SHA256

    0ab072bc568b2406432d4d4d51f81591a0d2e9435c1bfa18d96ab5569341af51

    SHA512

    045f86b97de519ad9abafb4bf4a6a02710e1121400af4cd6734a904055a55660cab5df163eaa81f327478482b14b17bb67d40ca5218bd93207adaf8e418b7816

    Download Submit
  • memory/580-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/580-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/580-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/580-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/580-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/580-64-0x00000000004470CE-mapping.dmp
    Download
  • memory/580-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/580-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/580-70-0x0000000074B20000-0x00000000750CB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/840-56-0x0000000000000000-mapping.dmp
    Download
  • memory/1900-55-0x0000000074B90000-0x000000007513B000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1900-54-0x0000000076011000-0x0000000076013000-memory.dmp
    Filesize

    8KB

    Download