Overview

overview

10

Static

static

BV10013_.exe

windows7_x64

10

BV10013_.exe

windows10-2004_x64

10

PICTURES.scr

windows7_x64

10

PICTURES.scr

windows10-2004_x64

10

REACH_ST.exe

windows7_x64

10

REACH_ST.exe

windows10-2004_x64

10

TEMPLATE.exe

windows7_x64

10

TEMPLATE.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:57

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General

  • Target

    REACH_ST.exe

  • Size

    489KB

  • MD5

    e151d6912989eea1ed5f7fb70d24bd0d

  • SHA1

    1e7a5887f6da7929e33d97f6c068ab26f6c5017f

  • SHA256

    9d16660c6cbee0c09d8046e43cec9523ca047f7478723c7e04a255c644794c6e

  • SHA512

    22e7561a8050c8c2b58f56fff47c5e279ce9c3330dad3f2969bff4776250ef29fff84e5270da0bf01c9fb752367f6e64dcc2bc2eefdb40c99d17ad7995f9cf4b

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    onnybekee2@gmail.com
  • Password:
    z123456789ok

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    onnybekee2@gmail.com
  • Password:
    z123456789ok

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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\REACH_ST.exe
    "C:\Users\Admin\AppData\Local\Temp\REACH_ST.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HdyljDHr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE4A3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1580
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3864

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

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE4A3.tmp
    Filesize

    1KB

    MD5

    77aa66120150fe06f9fecb4183375050

    SHA1

    eb102d19ff1c1d877a9b02597e7cf5c6962111a0

    SHA256

    191b0975a5022768d4c0a6518d093017a6bdd0f732808b2838b0b5d14f58bbfa

    SHA512

    157200ca96864810a2fe53ee754d8c82ae4f527074120602998a65c86fbe62f0404dfe4bd11d6825e2c84ccb12442663c8c92fa21446630941662f242e993879

    Download Submit
  • memory/1580-131-0x0000000000000000-mapping.dmp
    Download
  • memory/3220-130-0x0000000074930000-0x0000000074EE1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3864-133-0x0000000000000000-mapping.dmp
    Download
  • memory/3864-134-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/3864-135-0x0000000074930000-0x0000000074EE1000-memory.dmp
    Filesize

    5.7MB

    Download