Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 00:07

General

  • Target

    847a01e421747c8174e925c2cedb6aea5b80652924a3fadae0d4a1b06319584e.exe

  • Size

    100KB

  • MD5

    191345111184e5afb3273ee0fe448dc9

  • SHA1

    382db9224489cf22c9bfcc888355d318885a718c

  • SHA256

    847a01e421747c8174e925c2cedb6aea5b80652924a3fadae0d4a1b06319584e

  • SHA512

    6298923c7f26cbbc9ebfba0f7645bc8a0ac6dd5d4e27263e5ae7597aeae79be3261b51947e95fc4dc7747ed5bd1d033a853eda59c5719753da21839acf0e8b1e

  • SSDEEP

    1536:X7sSrXVwFtZbtBFHromFwHA3f+V8nT+yzpICxW7fLwnmGsDfl:rsUqtDBFrFeWWI+yzpIaAcnKDfl

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 30 IoCs
  • UPX dump on OEP (original entry point) 28 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 28 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 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\847a01e421747c8174e925c2cedb6aea5b80652924a3fadae0d4a1b06319584e.exe
            "C:\Users\Admin\AppData\Local\Temp\847a01e421747c8174e925c2cedb6aea5b80652924a3fadae0d4a1b06319584e.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • 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:2868
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:308

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Initial Access

          Replication Through Removable Media

          1
          T1091

          Persistence

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Privilege Escalation

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Defense Evasion

          Modify Registry

          5
          T1112

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Impair Defenses

          3
          T1562

          Disable or Modify Tools

          3
          T1562.001

          Discovery

          System Information Discovery

          3
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Lateral Movement

          Replication Through Removable Media

          1
          T1091

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\fcqs.pif
            Filesize

            100KB

            MD5

            0109119cedad283d27a2c0b55e931e5f

            SHA1

            36f6c7ebee8df3bb8834c3993f045cdba0d4600b

            SHA256

            7249881b65169ac3bcdcadc68dfa5abaf8513018e89db4c5644c197264e192b8

            SHA512

            b4ce76778a5d74303a3442de61782555b0e9beda6cde6a9146bf9de9b0f5143f50c7ae059a49124cde8ed9b12319c440dbd74a644a460e3eef9574b1cfdffb2e

          • memory/1112-8-0x0000000002090000-0x0000000002092000-memory.dmp
            Filesize

            8KB

          • memory/2868-28-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-7-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-23-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-29-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-1-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-30-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-25-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2868-24-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-21-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-22-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2868-20-0x0000000002F10000-0x0000000002F11000-memory.dmp
            Filesize

            4KB

          • memory/2868-18-0x0000000002F10000-0x0000000002F11000-memory.dmp
            Filesize

            4KB

          • memory/2868-17-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2868-4-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-26-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-27-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-67-0x00000000003F0000-0x00000000003F2000-memory.dmp
            Filesize

            8KB

          • memory/2868-5-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-6-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-32-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-33-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-40-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-42-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-44-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-46-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-49-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-50-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-51-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-54-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-55-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-57-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-58-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-65-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB

          • memory/2868-0-0x0000000000400000-0x0000000000416000-memory.dmp
            Filesize

            88KB

          • memory/2868-3-0x0000000001D40000-0x0000000002DCE000-memory.dmp
            Filesize

            16.6MB