Analysis

  • max time kernel
    62s
  • max time network
    117s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-01-2021 12:05

General

  • Target

    788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe

  • Size

    826KB

  • MD5

    4b1703f0fedf97b6fd5ed404a790236c

  • SHA1

    f9712dae7825a77bd33ed623ca335378a161c502

  • SHA256

    788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0

  • SHA512

    4c874f3e6288e7081cc84286aad67b8b344050d9c6559e0f05b676c6e75a9c8dca3b6cc9383bbf3946189d7eafdec078f25b162d0f63787ae419def7221a7da0

Malware Config

Extracted

Family

azorult

C2

http://al-ifah.com/PL341/index.php

Signatures

  • Azorult

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe
    "C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VkxqbQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp272.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3176
    • C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe
      "C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe"
      2⤵
        PID:3972
      • C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe
        "C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe"
        2⤵
          PID:2068
        • C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe
          "C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe"
          2⤵
            PID:2876
          • C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe
            "C:\Users\Admin\AppData\Local\Temp\788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0.exe"
            2⤵
              PID:3712

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scheduled Task

          1
          T1053

          Persistence

          Scheduled Task

          1
          T1053

          Privilege Escalation

          Scheduled Task

          1
          T1053

          Defense Evasion

          Virtualization/Sandbox Evasion

          2
          T1497

          Discovery

          Query Registry

          4
          T1012

          Virtualization/Sandbox Evasion

          2
          T1497

          System Information Discovery

          2
          T1082

          Peripheral Device Discovery

          1
          T1120

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp272.tmp
            MD5

            7a580571fd7e32ecea498889f704c40b

            SHA1

            004658ed54898f2b803ffaa519477792b070e799

            SHA256

            0333b734786f4ae83e81f75ae21e4ab8a6b243fedd3c6b353f265ab82418caf0

            SHA512

            99d14331eaa00f61671a1fd564a6cf238e25076d1829e0db3dada28547ff3a086ae99202680c2410f68fbc40ee63cf24c0eb9c724763b668781c511e80145c71

          • memory/3176-13-0x0000000000000000-mapping.dmp
          • memory/3712-17-0x0000000000400000-0x0000000000420000-memory.dmp
            Filesize

            128KB

          • memory/3712-16-0x000000000041A684-mapping.dmp
          • memory/3712-15-0x0000000000400000-0x0000000000420000-memory.dmp
            Filesize

            128KB

          • memory/4052-9-0x0000000004C70000-0x0000000004C71000-memory.dmp
            Filesize

            4KB

          • memory/4052-2-0x0000000073820000-0x0000000073F0E000-memory.dmp
            Filesize

            6.9MB

          • memory/4052-10-0x00000000049B0000-0x00000000049C2000-memory.dmp
            Filesize

            72KB

          • memory/4052-11-0x0000000005710000-0x0000000005764000-memory.dmp
            Filesize

            336KB

          • memory/4052-12-0x00000000057E0000-0x00000000057E1000-memory.dmp
            Filesize

            4KB

          • memory/4052-8-0x0000000004970000-0x0000000004971000-memory.dmp
            Filesize

            4KB

          • memory/4052-7-0x0000000004B10000-0x0000000004B11000-memory.dmp
            Filesize

            4KB

          • memory/4052-6-0x0000000005010000-0x0000000005011000-memory.dmp
            Filesize

            4KB

          • memory/4052-5-0x00000000049D0000-0x00000000049D1000-memory.dmp
            Filesize

            4KB

          • memory/4052-3-0x0000000000070000-0x0000000000071000-memory.dmp
            Filesize

            4KB