Overview

overview

10

Static

static

SMH 202112...B).exe

windows7_x64

9

SMH 202112...B).exe

windows10_x64

10

Analysis

  • max time kernel
    121s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    02-12-2021 14:27

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General

  • Target

    SMH 20211202_PEDIDO DE COTAÇÃO - 14pcs.PDF(76KB).exe

  • Size

    414KB

  • MD5

    8de75b79c09e93fec4d7876133f94dc1

  • SHA1

    2bf7c25ffe326789054d1b0a32c5768263972e40

  • SHA256

    325c126322ffc636a4964c017c4258b6551d2104ccd8acd7794cecafad437a6b

  • SHA512

    81f73bf2d1c67e2d7ab35bf29feafbbca96c410a082ff81bea426a013a9a247f9f984e97a0cfd683e937b0523f4bc352ca67c94d6d95fe014e9f6ed24d8d3622

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 20211202_PEDIDO DE COTAÇÃO - 14pcs.PDF(76KB).exe
    "C:\Users\Admin\AppData\Local\Temp\SMH 20211202_PEDIDO DE COTAÇÃO - 14pcs.PDF(76KB).exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\AppData\Local\Temp\SMH 20211202_PEDIDO DE COTAÇÃO - 14pcs.PDF(76KB).exe
      "C:\Users\Admin\AppData\Local\Temp\SMH 20211202_PEDIDO DE COTAÇÃO - 14pcs.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:1572
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\SMH 20211202_PEDIDO DE COTAÇÃO - 14pcs.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:2196

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/1572-126-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/1572-131-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/1572-127-0x00000000004010B8-mapping.dmp
    Download
  • memory/2196-130-0x0000000000401364-mapping.dmp
    Download
  • memory/2740-122-0x0000000005420000-0x0000000005421000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2740-121-0x0000000005410000-0x0000000005418000-memory.dmp
    Filesize

    32KB

    Download
  • memory/2740-115-0x0000000000700000-0x0000000000701000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2740-123-0x0000000005ED0000-0x0000000005ED1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2740-124-0x0000000005F70000-0x0000000005FCB000-memory.dmp
    Filesize

    364KB

    Download
  • memory/2740-125-0x0000000006140000-0x0000000006141000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2740-120-0x00000000050E0000-0x00000000050E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2740-119-0x00000000051B0000-0x00000000056AE000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/2740-118-0x0000000005100000-0x0000000005101000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2740-117-0x00000000056B0000-0x00000000056B1000-memory.dmp
    Filesize

    4KB

    Download