Overview

overview

10

Static

static

SMH 202130...B).exe

windows10_x64

10

Analysis

  • max time kernel
    119s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    02-12-2021 11:23

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General

  • Target

    SMH 2021301_SOLICITUD DE PRESUPUESTO - 86pcs.PDF(76KB).exe

  • Size

    377KB

  • MD5

    5499b315ca8ae8eb3f9127e3dbe350cf

  • SHA1

    11491e3ebe9dd7dcb9d9651be820e7fb8f877f99

  • SHA256

    4249dc35c003be28559b818f416ef5252be5a46c6ddbc7154397e8fad8bd8821

  • SHA512

    e922bd324bfad7b8a429b1201535e786acbc147e6c8979467fcc8f75c27f783d5b103001b4230e6a86cbf7d5b6d41600ebceee564b8060c51223232d6e907d69

Score
10/10
xpertratevasionpersistencerattrojan

Malware Config

Signatures

  • UAC bypass 3 TTPs
    evasiontrojan
  • Windows security bypass 2 TTPs
    evasiontrojan
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

    ratxpertrat
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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.

  • Windows security modification 2 TTPs 1 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\SMH 2021301_SOLICITUD DE PRESUPUESTO - 86pcs.PDF(76KB).exe
    "C:\Users\Admin\AppData\Local\Temp\SMH 2021301_SOLICITUD DE PRESUPUESTO - 86pcs.PDF(76KB).exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\SMH 2021301_SOLICITUD DE PRESUPUESTO - 86pcs.PDF(76KB).exe
      "C:\Users\Admin\AppData\Local\Temp\SMH 2021301_SOLICITUD DE PRESUPUESTO - 86pcs.PDF(76KB).exe"
      2⤵
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:3892
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\SMH 2021301_SOLICITUD DE PRESUPUESTO - 86pcs.PDF(76KB).exe
        3⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3548

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

Modify Registry

6
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2640-125-0x0000000007A80000-0x0000000007A81000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2640-127-0x0000000007D20000-0x0000000007D21000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2640-121-0x0000000005350000-0x0000000005351000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2640-122-0x00000000052B0000-0x00000000057AE000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/2640-123-0x0000000005340000-0x0000000005341000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2640-124-0x0000000007740000-0x0000000007746000-memory.dmp
    Filesize

    24KB

    Download
  • memory/2640-120-0x00000000057B0000-0x00000000057B1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2640-126-0x0000000007C20000-0x0000000007C7C000-memory.dmp
    Filesize

    368KB

    Download
  • memory/2640-118-0x0000000000A90000-0x0000000000A91000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3548-133-0x0000000000401364-mapping.dmp
    Download
  • memory/3892-128-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/3892-129-0x00000000004010B8-mapping.dmp
    Download
  • memory/3892-130-0x0000000000BF0000-0x0000000000BF6000-memory.dmp
    Filesize

    24KB

    Download
  • memory/3892-131-0x0000000000BF0000-0x0000000000BFA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3892-132-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download