Overview

overview

10

Static

static

4f65afff4b...5c.exe

windows7_x64

10

4f65afff4b...5c.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    172s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 19:47

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General

  • Target

    4f65afff4bbaee37d797d5f695d78412a53221a6d1c0fd80d750648df039ff5c.exe

  • Size

    501KB

  • MD5

    7860c138e3b8f40bfb6efec08f4a4068

  • SHA1

    28718036a0ff9ecd92e794cefc429f3d4aea7ba1

  • SHA256

    4f65afff4bbaee37d797d5f695d78412a53221a6d1c0fd80d750648df039ff5c

  • SHA512

    71686bdfa1d10e50ee82374dfde16c45b3bc338065f24e3f5f68ddf984ba6a97624e88f147183c9f3874d14725d75e236d0c209d3eb5d924e9dff3ac1815f620

Score
10/10
azorultevasioninfostealersuricatatrojan

Malware Config

Extracted

Family

azorult

C2

http://crevisoft.net/images/backgrounds/ob/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    trojaninfostealerazorult
  • suricata: ET MALWARE Win32/AZORult V3.2 Client Checkin M14

    suricata: ET MALWARE Win32/AZORult V3.2 Client Checkin M14

    suricata
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 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
  • Modifies system certificate store 2 TTPs 5 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f65afff4bbaee37d797d5f695d78412a53221a6d1c0fd80d750648df039ff5c.exe
    "C:\Users\Admin\AppData\Local\Temp\4f65afff4bbaee37d797d5f695d78412a53221a6d1c0fd80d750648df039ff5c.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YJSlNpkH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7C4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4056
    • C:\Users\Admin\AppData\Local\Temp\4f65afff4bbaee37d797d5f695d78412a53221a6d1c0fd80d750648df039ff5c.exe
      "C:\Users\Admin\AppData\Local\Temp\4f65afff4bbaee37d797d5f695d78412a53221a6d1c0fd80d750648df039ff5c.exe"
      2⤵
        PID:1244
      • C:\Users\Admin\AppData\Local\Temp\4f65afff4bbaee37d797d5f695d78412a53221a6d1c0fd80d750648df039ff5c.exe
        "C:\Users\Admin\AppData\Local\Temp\4f65afff4bbaee37d797d5f695d78412a53221a6d1c0fd80d750648df039ff5c.exe"
        2⤵
        • Modifies system certificate store
        PID:872

    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

    Virtualization/Sandbox Evasion

    2
    T1497

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC7C4.tmp
      Filesize

      1KB

      MD5

      ff3ce6b5926caeee20daeb119c50f168

      SHA1

      b0ae57e7377b6777d24381d3d8146182f4c9ea3f

      SHA256

      c8b4ab71524091bb41c7b8b8c85e54b1bea80922f4f56e9e9da3d11fd1778e6a

      SHA512

      320744e44932a6f155b060d858c1f191b8a44b95007c8bb45460abb0d3f2a69bf4b37a9547c60bcb07f3ae1709ff982712a3992bd00e3218b0217e9240bf1d4b

      Download Submit
    • memory/664-130-0x00000000000D0000-0x0000000000154000-memory.dmp
      Filesize

      528KB

      Download
    • memory/664-131-0x0000000006E90000-0x0000000006F22000-memory.dmp
      Filesize

      584KB

      Download
    • memory/664-132-0x0000000007390000-0x000000000742C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/664-133-0x00000000079E0000-0x0000000007F84000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/664-134-0x0000000007550000-0x00000000075B6000-memory.dmp
      Filesize

      408KB

      Download
    • memory/872-138-0x0000000000000000-mapping.dmp
      Download
    • memory/872-139-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

      Download
    • memory/872-141-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

      Download
    • memory/872-142-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

      Download
    • memory/1244-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4056-135-0x0000000000000000-mapping.dmp
      Download