Overview

overview

10

Static

static

INQUIRY.exe

windows7_x64

10

INQUIRY.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:30

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General

  • Target

    INQUIRY.exe

  • Size

    788KB

  • MD5

    3e1ce4482af66384f14f0d8f425798ae

  • SHA1

    2a299426b2a312c2191016d275bc8cd40b75857d

  • SHA256

    63c152f50aff4247987b0b26ff48db0f75a52e5acfddc034c6fcee54c429933e

  • SHA512

    80860c702b6c8fdfb3355ec511ed87ce218d73c8492716599d3293d8e4d716d7ab2f3dfedca20e00159a931ec058fa203a43a395b52fb5bd493b05bef900b62f

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.millndustries.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    {zdog:g7S@R3

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NZzDkPTGGai" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C49.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1800
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
      "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2852

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

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\INQUIRY.exe.log
    Filesize

    686B

    MD5

    2da5d49e592515901f6adb84aa66860d

    SHA1

    37017ffa66b85c8e1d00fa426733caad0887cf61

    SHA256

    b147333035afc91552bb35c2c97a15496204b134877672a18cb1987d2d8d762d

    SHA512

    6151e54e7efcb14d4b7842b9860438e1cd77036b2e61a72025ff204d35e1181130a0d9522f2ff92f3e960d55e6dda95bbadff0aa5e0799bb51c11316e89c9dca

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp5C49.tmp
    Filesize

    1KB

    MD5

    cfc354ce2d5f961f8eb554a745e2b925

    SHA1

    9581f5fdeb4dd928113aedb1752280aff05fffc9

    SHA256

    2264c25b724369a975b847a06445596d0d4051db5b0a45915beee4d4d8e1078e

    SHA512

    f07441023a0bff1e0fb58b0c506f0fc064e153322bfad4574d1f0032ed50c429cd965bc86c7baaa89f7c29c292490eb907c0e9ed78320c5ce7df46b8cb70bfb3

    Download Submit
  • memory/1496-130-0x0000000074F00000-0x00000000754B1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1800-131-0x0000000000000000-mapping.dmp
    Download
  • memory/2852-133-0x0000000000000000-mapping.dmp
    Download
  • memory/2852-134-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/2852-136-0x0000000074F00000-0x00000000754B1000-memory.dmp
    Filesize

    5.7MB

    Download