Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-08-2022 09:32

General

  • Target

    232f83fad3deda8644c603c068c057d8a163698efedc2c13651eebb46215375a.exe

  • Size

    131KB

  • MD5

    b0b0b8c1e356acced8ae97b9fd448932

  • SHA1

    b6b9c6f0bb858e5899e7cea98f7f43940b0235df

  • SHA256

    232f83fad3deda8644c603c068c057d8a163698efedc2c13651eebb46215375a

  • SHA512

    8914e78ea7ccb0ebff3367e69345a496e14637e54c436885559d2f7cd6a26e608202161aadfb69317f764bb00a6b6f14391935e1450f818edfcd0152509d9f6b

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:716
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:724
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:980
        • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
          "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
          1⤵
            PID:3256
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:3720
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3492
              • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
                1⤵
                  PID:3272
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:2268
                    • C:\Users\Admin\AppData\Local\Temp\232f83fad3deda8644c603c068c057d8a163698efedc2c13651eebb46215375a.exe
                      "C:\Users\Admin\AppData\Local\Temp\232f83fad3deda8644c603c068c057d8a163698efedc2c13651eebb46215375a.exe"
                      2⤵
                      • Modifies firewall policy service
                      • UAC bypass
                      • Windows security bypass
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • Drops autorun.inf file
                      • Drops file in Program Files directory
                      • Drops file in Windows directory
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:2672
                  • c:\windows\system32\taskhostw.exe
                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                    1⤵
                      PID:2924
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
                      1⤵
                        PID:2724
                      • c:\windows\system32\sihost.exe
                        sihost.exe
                        1⤵
                          PID:2680

                        Network

                        MITRE ATT&CK Matrix ATT&CK v6

                        Initial Access

                        Replication Through Removable Media

                        1
                        T1091

                        Persistence

                        Modify Existing Service

                        1
                        T1031

                        Privilege Escalation

                        Bypass User Account Control

                        1
                        T1088

                        Defense Evasion

                        Modify Registry

                        5
                        T1112

                        Bypass User Account Control

                        1
                        T1088

                        Disabling Security Tools

                        3
                        T1089

                        Discovery

                        System Information Discovery

                        2
                        T1082

                        Query Registry

                        1
                        T1012

                        Peripheral Device Discovery

                        1
                        T1120

                        Lateral Movement

                        Replication Through Removable Media

                        1
                        T1091

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/2672-117-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-118-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-119-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-120-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-121-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-122-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-123-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-124-0x0000000000400000-0x0000000000424000-memory.dmp
                          Filesize

                          144KB

                        • memory/2672-125-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-126-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-127-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-128-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-130-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-129-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-131-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-132-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-133-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-134-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-136-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-137-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-138-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-139-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-135-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-140-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-141-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-142-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-144-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-145-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-146-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-147-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-148-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-149-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-150-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-143-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-151-0x00000000021E0000-0x000000000329A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/2672-152-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-153-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-154-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-155-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-156-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-158-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-157-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-159-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-160-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-161-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-162-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-163-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-164-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-165-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-166-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-167-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-168-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-169-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-170-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-171-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-172-0x00000000021E0000-0x000000000329A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/2672-173-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-174-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-175-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-176-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-177-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-178-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-179-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-180-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-181-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-182-0x00000000772D0000-0x000000007745E000-memory.dmp
                          Filesize

                          1.6MB

                        • memory/2672-183-0x0000000000400000-0x0000000000424000-memory.dmp
                          Filesize

                          144KB