Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 02:51

General

  • Target

    ce5f2d04e6fcdbdb46cc1c6647283030f461c020f084f15771b6813e28f40489.dll

  • Size

    120KB

  • MD5

    912889ad7b3d2005016e7b9ea6b06d7a

  • SHA1

    30412c5e13fe4c9fe779729f795c3e56ab0b2c55

  • SHA256

    ce5f2d04e6fcdbdb46cc1c6647283030f461c020f084f15771b6813e28f40489

  • SHA512

    c5cc128b3e8bc7ce330e780d2e182b05054dec71240508857e0f3d01d4bd0ab08887446e1ee0e68680155fb2b21c8ffb3b664ef3ab94b80c87b7026aa19c3159

  • SSDEEP

    1536:fXhdbP53pKgj0U5nNFXczwkEgmC504dyPJvNRQ8THnDMpn3lm1OTJFuLaxg4AKch:vhh4U5nTMwkEgf50fTDv1EF+a7oE40Q

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 22 IoCs
  • UPX dump on OEP (original entry point) 25 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 22 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 6 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 33 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1208
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1256
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce5f2d04e6fcdbdb46cc1c6647283030f461c020f084f15771b6813e28f40489.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2132
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce5f2d04e6fcdbdb46cc1c6647283030f461c020f084f15771b6813e28f40489.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1532
              • C:\Users\Admin\AppData\Local\Temp\f7637c3.exe
                C:\Users\Admin\AppData\Local\Temp\f7637c3.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • 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:844
              • C:\Users\Admin\AppData\Local\Temp\f763f9f.exe
                C:\Users\Admin\AppData\Local\Temp\f763f9f.exe
                4⤵
                • Executes dropped EXE
                PID:2584
              • C:\Users\Admin\AppData\Local\Temp\f7655ed.exe
                C:\Users\Admin\AppData\Local\Temp\f7655ed.exe
                4⤵
                • Executes dropped EXE
                PID:2380
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:328

          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

          • \Users\Admin\AppData\Local\Temp\f7637c3.exe
            Filesize

            97KB

            MD5

            07988770ccdd38f82a5fae4dad680105

            SHA1

            5af6dc73bce0fed6716c4750f3dcc5ed80d8d580

            SHA256

            138d6ba44f88a5eeb7f96d5e4341546862fab82f567b07f2e4ed8584c960bdff

            SHA512

            1293f6266ab9b6201e1acd0be11d6776d8204933381ddd39d47cc3927f8ac5258074168acb3274ef442f7fb1b45548b72ac7a4fcad2b40094f8538402412b797

          • memory/844-79-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-81-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-11-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/844-132-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-13-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-15-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-59-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-16-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-19-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-22-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-119-0x0000000000480000-0x0000000000482000-memory.dmp
            Filesize

            8KB

          • memory/844-25-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-105-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-29-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-93-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-41-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-58-0x0000000003D10000-0x0000000003D11000-memory.dmp
            Filesize

            4KB

          • memory/844-84-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-47-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-52-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-80-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-56-0x0000000000480000-0x0000000000482000-memory.dmp
            Filesize

            8KB

          • memory/844-60-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-131-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/844-63-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-61-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/844-62-0x00000000005A0000-0x000000000165A000-memory.dmp
            Filesize

            16.7MB

          • memory/1116-17-0x00000000000E0000-0x00000000000E2000-memory.dmp
            Filesize

            8KB

          • memory/1532-26-0x0000000000160000-0x0000000000162000-memory.dmp
            Filesize

            8KB

          • memory/1532-31-0x0000000000160000-0x0000000000162000-memory.dmp
            Filesize

            8KB

          • memory/1532-33-0x00000000001F0000-0x00000000001F1000-memory.dmp
            Filesize

            4KB

          • memory/1532-27-0x00000000001F0000-0x00000000001F1000-memory.dmp
            Filesize

            4KB

          • memory/1532-1-0x0000000010000000-0x0000000010020000-memory.dmp
            Filesize

            128KB

          • memory/1532-72-0x0000000000160000-0x0000000000162000-memory.dmp
            Filesize

            8KB

          • memory/1532-4-0x0000000000120000-0x0000000000132000-memory.dmp
            Filesize

            72KB

          • memory/1532-42-0x0000000000220000-0x0000000000232000-memory.dmp
            Filesize

            72KB

          • memory/1532-9-0x0000000000120000-0x0000000000132000-memory.dmp
            Filesize

            72KB

          • memory/1532-74-0x0000000000220000-0x0000000000232000-memory.dmp
            Filesize

            72KB

          • memory/1532-78-0x0000000000120000-0x0000000000126000-memory.dmp
            Filesize

            24KB

          • memory/2380-77-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2380-107-0x0000000000220000-0x0000000000222000-memory.dmp
            Filesize

            8KB

          • memory/2380-109-0x0000000000230000-0x0000000000231000-memory.dmp
            Filesize

            4KB

          • memory/2584-97-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2584-45-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2584-95-0x0000000000260000-0x0000000000262000-memory.dmp
            Filesize

            8KB

          • memory/2584-96-0x00000000002B0000-0x00000000002B1000-memory.dmp
            Filesize

            4KB