Overview

overview

10

Static

static

SMH-202110...B).exe

windows7_x64

10

SMH-202110...B).exe

windows10_x64

10

Analysis

  • max time kernel
    103s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    17-11-2021 20:57

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General

  • Target

    SMH-20211015-Request For Quote 100967-SPN.pdf (56KB).exe

  • Size

    721KB

  • MD5

    d095a956c7c94b27bdb21ebded88207d

  • SHA1

    90326a8d96ea3878ef4acafd12847f719ba141cd

  • SHA256

    c5a9b54887316170a328f0c1c1adab1db83debfe3b9f922c752c6f090c9abe9b

  • SHA512

    b3fb3d63d0a4e5dff906cfabc02465e140424d2c86e4d199aadf70528e338c875aef5f789ccf4be5de2a3a2117b9f5ea97ff5fb8f513684c13d260906c1a9ccb

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.

  • Deletes itself 1 IoCs
  • 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 19 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\SMH-20211015-Request For Quote 100967-SPN.pdf (56KB).exe
    "C:\Users\Admin\AppData\Local\Temp\SMH-20211015-Request For Quote 100967-SPN.pdf (56KB).exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Users\Admin\AppData\Local\Temp\SMH-20211015-Request For Quote 100967-SPN.pdf (56KB).exe
      "C:\Users\Admin\AppData\Local\Temp\SMH-20211015-Request For Quote 100967-SPN.pdf (56KB).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:1844
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\SMH-20211015-Request For Quote 100967-SPN.pdf (56KB).exe
        3⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3452
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          4⤵
          • Deletes itself
          PID:832

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/832-133-0x0000000000000000-mapping.dmp
    Download
  • memory/1844-128-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/1844-134-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/1844-131-0x00000000009E0000-0x00000000009EA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1844-130-0x00000000009E0000-0x00000000009E6000-memory.dmp
    Filesize

    24KB

    Download
  • memory/1844-129-0x00000000004010B8-mapping.dmp
    Download
  • memory/3340-123-0x0000000004D30000-0x000000000522E000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/3340-126-0x0000000008810000-0x0000000008858000-memory.dmp
    Filesize

    288KB

    Download
  • memory/3340-127-0x0000000008920000-0x0000000008921000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3340-125-0x0000000008770000-0x0000000008771000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3340-124-0x0000000005090000-0x0000000005097000-memory.dmp
    Filesize

    28KB

    Download
  • memory/3340-118-0x0000000000490000-0x0000000000491000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3340-122-0x0000000004D90000-0x0000000004D91000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3340-121-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3340-120-0x0000000005230000-0x0000000005231000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3452-132-0x0000000000401364-mapping.dmp
    Download