Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    16-05-2024 19:47

General

  • Target

    1e07a204bfbad7fcaec78b553481b379459862d297cc620f6287aa421a8ca57b.exe

  • Size

    65KB

  • MD5

    948b4f3f7e0b1c8e34931a7f016a865e

  • SHA1

    e0be89379d4bec02229d14fa12275cbb0b6cc75e

  • SHA256

    1e07a204bfbad7fcaec78b553481b379459862d297cc620f6287aa421a8ca57b

  • SHA512

    558dbd6c6a45801cc557705d7f8ec31160c12a0f2bbcb34d6a745f550dcda377b5d0b982d75e4104ba4b89c97d9fbb07d1e6bf7e0b94eeb62f3e1da9f325753b

  • SSDEEP

    1536:fnsIX/9r7+rJFfViuSTIGpawuqABYisj0Zcb1bYH0gl81lLR+Zfe:fsIv9rCzAuScGQwZp081EHy1lU4

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 31 IoCs
  • UPX dump on OEP (original entry point) 32 IoCs
  • UPX packed file 31 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 15 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:1084
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\1e07a204bfbad7fcaec78b553481b379459862d297cc620f6287aa421a8ca57b.exe
            "C:\Users\Admin\AppData\Local\Temp\1e07a204bfbad7fcaec78b553481b379459862d297cc620f6287aa421a8ca57b.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:1664
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:820

          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/1084-18-0x0000000000210000-0x0000000000212000-memory.dmp
            Filesize

            8KB

          • memory/1664-34-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-30-0x00000000030C0000-0x00000000030C2000-memory.dmp
            Filesize

            8KB

          • memory/1664-6-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-35-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-3-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-38-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-11-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-36-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-29-0x0000000003D20000-0x0000000003D21000-memory.dmp
            Filesize

            4KB

          • memory/1664-31-0x00000000030C0000-0x00000000030C2000-memory.dmp
            Filesize

            8KB

          • memory/1664-26-0x0000000003D20000-0x0000000003D21000-memory.dmp
            Filesize

            4KB

          • memory/1664-25-0x00000000030C0000-0x00000000030C2000-memory.dmp
            Filesize

            8KB

          • memory/1664-5-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-8-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-12-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-10-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-1-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-32-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-33-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/1664-7-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-9-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-4-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-39-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-40-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-43-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-44-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-56-0x0000000004C20000-0x0000000004C22000-memory.dmp
            Filesize

            8KB

          • memory/1664-55-0x0000000004C70000-0x0000000004C71000-memory.dmp
            Filesize

            4KB

          • memory/1664-57-0x0000000004C20000-0x0000000004C22000-memory.dmp
            Filesize

            8KB

          • memory/1664-58-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-59-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-61-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-64-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-68-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-72-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-73-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-75-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-77-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB

          • memory/1664-108-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/1664-109-0x00000000005B0000-0x000000000166A000-memory.dmp
            Filesize

            16.7MB