Overview

overview

10

Static

static

SMH-202110...B).exe

windows7_x64

10

SMH-202110...B).exe

windows10_x64

10

Analysis

  • max time kernel
    121s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 22 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:1088
    • 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:1664
      • 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:1184
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          4⤵
          • Deletes itself
          PID:1584

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/1088-57-0x0000000074A41000-0x0000000074A43000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1088-58-0x0000000004920000-0x0000000004921000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1088-59-0x0000000000570000-0x0000000000577000-memory.dmp
    Filesize

    28KB

    Download
  • memory/1088-60-0x00000000022E0000-0x0000000002328000-memory.dmp
    Filesize

    288KB

    Download
  • memory/1088-55-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1184-68-0x0000000000401364-mapping.dmp
    Download
  • memory/1584-69-0x0000000000000000-mapping.dmp
    Download
  • memory/1664-62-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/1664-64-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/1664-65-0x00000000004010B8-mapping.dmp
    Download
  • memory/1664-66-0x0000000000080000-0x0000000000086000-memory.dmp
    Filesize

    24KB

    Download
  • memory/1664-67-0x0000000000080000-0x000000000008A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1664-63-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/1664-61-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

    Download