Overview

overview

10

Static

static

SecuriteIn...21.exe

windows7-x64

10

SecuriteIn...21.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 15:49

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General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.16043.3621.exe

  • Size

    827KB

  • MD5

    fe1aa7fa995970ebb34465d5dc0d8ce1

  • SHA1

    7505b261cc9df8c6ab8f10e035cf8d8319043cdb

  • SHA256

    655b12a219d0f0e39a84fe44483e25411be852ce2bb0d451a1cb1a9a670f70b8

  • SHA512

    245277e1f0f637bda7e2b5d1f76ae06656aeb0a7df47eb428edf8c6472f9af03580234b9cd4a95321a96e6511d9e75279c452c5b58ae182b060a6ca35949a77c

  • SSDEEP

    12288:/mMlc1PL/pFr5cE8LHWU/SEdRMA/LyVu6gtXSRxS36qGn3eV6H5ADAUaoZqxIB/N:eqvLj9/L1tsAK/n3eVk55Ul4x+/yIn

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.strictfacilityservices.com
  • Port:
    587
  • Username:
    accounts@strictfacilityservices.com
  • Password:
    SFS!@#321
  • Email To:
    guc850155@gmail.com

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 4 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\SecuriteInfo.com.Win32.CrypterX-gen.16043.3621.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16043.3621.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nrQtAokXKaSn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A10.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2020
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16043.3621.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1880

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

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
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\tmp1A10.tmp
    Filesize

    1KB

    MD5

    7d90baeae12c64b37e8009956174d22a

    SHA1

    265c505ad43c412b86e6d32abdac92db791a5e77

    SHA256

    6746b193bd60b692b0743afbb7b4de184083f5689d25978eda47c4dab9b628e7

    SHA512

    ef1fe56bf81c0d702b7a129f5d337ae93b7311240513828062c5cfe7cfa53b07dcbec598616d1799ff4dc118de0d59f165874661f1602a13c7eda8baac1120ab

    Download Submit
  • memory/1880-139-0x0000000000000000-mapping.dmp
    Download
  • memory/1880-140-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1880-141-0x0000000005B60000-0x0000000005BC6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1880-142-0x0000000006920000-0x0000000006970000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2020-137-0x0000000000000000-mapping.dmp
    Download
  • memory/2356-132-0x0000000000460000-0x0000000000536000-memory.dmp
    Filesize

    856KB

    Download
  • memory/2356-133-0x0000000005560000-0x0000000005B04000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2356-134-0x0000000004EE0000-0x0000000004F72000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2356-135-0x0000000005050000-0x00000000050EC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2356-136-0x0000000004ED0000-0x0000000004EDA000-memory.dmp
    Filesize

    40KB

    Download