Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 04:08

General

  • Target

    e2cb928861cfd3963bdf37904415bfa18c700de49f3d2b4b8e9c65f34ddc12f1.exe

  • Size

    65KB

  • MD5

    3bc3ab8bf1682877347a34dd3f3c974b

  • SHA1

    2f8d02d662da5d757d3803793421f479020cc861

  • SHA256

    e2cb928861cfd3963bdf37904415bfa18c700de49f3d2b4b8e9c65f34ddc12f1

  • SHA512

    8b7681b50346e07726653113ef1cae49a4a489f4d4290f6d67079854e55e8465509f9b8b3b1db9ebdb90e462818589421975a91f796a56890e4312ad72262c34

  • SSDEEP

    1536:iHbm0ViPD79+OTPemAtbH90JHNN5NuO/pcVOfM3RBiToYA:iXasOTPHQ0JX5NuNVOEBMM

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 29 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • UPX packed file 29 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 13 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1140
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\e2cb928861cfd3963bdf37904415bfa18c700de49f3d2b4b8e9c65f34ddc12f1.exe
            "C:\Users\Admin\AppData\Local\Temp\e2cb928861cfd3963bdf37904415bfa18c700de49f3d2b4b8e9c65f34ddc12f1.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2700
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1488

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          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

          2
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1060-5-0x0000000001ED0000-0x0000000001ED2000-memory.dmp
            Filesize

            8KB

          • memory/2700-31-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-1-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-30-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2700-6-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-8-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-11-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-15-0x00000000004F0000-0x00000000004F2000-memory.dmp
            Filesize

            8KB

          • memory/2700-16-0x00000000005D0000-0x00000000005D1000-memory.dmp
            Filesize

            4KB

          • memory/2700-14-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-17-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-22-0x00000000005D0000-0x00000000005D1000-memory.dmp
            Filesize

            4KB

          • memory/2700-21-0x00000000004F0000-0x00000000004F2000-memory.dmp
            Filesize

            8KB

          • memory/2700-23-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-24-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-29-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-4-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-32-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-3-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-33-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-35-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-36-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-37-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-39-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-41-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-46-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-48-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-50-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-54-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-58-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-65-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-67-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-69-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-76-0x00000000004F0000-0x00000000004F2000-memory.dmp
            Filesize

            8KB

          • memory/2700-71-0x00000000006E0000-0x000000000179A000-memory.dmp
            Filesize

            16.7MB

          • memory/2700-89-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB