Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 22:30

General

  • Target

    713bb803e7e113423acaf9d3f86244681df70649f807d26f3e63152b81b8660c.dll

  • Size

    120KB

  • MD5

    f8406647db957a8e412f87f264750762

  • SHA1

    2c583c73d2149c1cf7c48e86d220d91027459663

  • SHA256

    713bb803e7e113423acaf9d3f86244681df70649f807d26f3e63152b81b8660c

  • SHA512

    5292f186da834d04f85150a6f093c631e0100085d1a1a6c1287d7f1d7f269a2d0f05ee4681f2875a7b69094d21f08abb7948885aa524846bf82b8fc7153a7595

  • SSDEEP

    1536:3MX0jYUqppB21PAZRhY1y8KPl4jXq6mv88/HyyxFS+NQ2noh30PmhBs9OFVwo+Lm:3MEspBQAPhY1tKP+jXqXyyhm30uqBE

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 3 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1220
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\713bb803e7e113423acaf9d3f86244681df70649f807d26f3e63152b81b8660c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2976
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\713bb803e7e113423acaf9d3f86244681df70649f807d26f3e63152b81b8660c.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2996
              • C:\Users\Admin\AppData\Local\Temp\f7610a4.exe
                C:\Users\Admin\AppData\Local\Temp\f7610a4.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:3040
              • C:\Users\Admin\AppData\Local\Temp\f761593.exe
                C:\Users\Admin\AppData\Local\Temp\f761593.exe
                4⤵
                • Executes dropped EXE
                PID:2720
              • C:\Users\Admin\AppData\Local\Temp\f762c2f.exe
                C:\Users\Admin\AppData\Local\Temp\f762c2f.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:1208
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1776

          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

          Impair Defenses

          4
          T1562

          Disable or Modify Tools

          3
          T1562.001

          Disable or Modify System Firewall

          1
          T1562.004

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Discovery

          System Information Discovery

          2
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7610a4.exe
            Filesize

            97KB

            MD5

            460deea74188ca0c9eba550e8cb11b95

            SHA1

            f77f3477797862e89f18f7e30f615dab4fc93d28

            SHA256

            194cb2ea60024645c01298fa56a2b93ec5df2d099e5d378f8dbeb2449307f38e

            SHA512

            5d10bf5d3ce530901c63cf4827e451a4b767d56b893040e4b5914170b0749671f3d653e521be9bebb59fbb6183dcc39e2b319e821fca76d4173f26661707ec86

          • C:\Windows\SYSTEM.INI
            Filesize

            257B

            MD5

            068ac5e2ce2823ef9c22048fc7aa5ef4

            SHA1

            4c65e0d5b8b613211a0508d8a40022e673872007

            SHA256

            b14c4e686aea864b8afdec8890fb81960d50e43a595525aa0add5b53d2ae5c23

            SHA512

            c8cf4ccf1cbd959094132dbf0ab4df4e4f1cac1334fe3532caa5a3d820d01dea77f7070090a0d02f13a075127cfbcc5657ff76c5639f04b214b7b1f567c6ae41

          • memory/1112-29-0x0000000000220000-0x0000000000222000-memory.dmp
            Filesize

            8KB

          • memory/1208-103-0x00000000001C0000-0x00000000001C1000-memory.dmp
            Filesize

            4KB

          • memory/1208-204-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/1208-82-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/1208-205-0x0000000000920000-0x00000000019DA000-memory.dmp
            Filesize

            16.7MB

          • memory/1208-164-0x0000000000920000-0x00000000019DA000-memory.dmp
            Filesize

            16.7MB

          • memory/1208-105-0x00000000001B0000-0x00000000001B2000-memory.dmp
            Filesize

            8KB

          • memory/1208-106-0x00000000001B0000-0x00000000001B2000-memory.dmp
            Filesize

            8KB

          • memory/2720-96-0x0000000000220000-0x0000000000222000-memory.dmp
            Filesize

            8KB

          • memory/2720-97-0x0000000000230000-0x0000000000231000-memory.dmp
            Filesize

            4KB

          • memory/2720-152-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2720-104-0x0000000000220000-0x0000000000222000-memory.dmp
            Filesize

            8KB

          • memory/2720-61-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2996-78-0x0000000000460000-0x0000000000472000-memory.dmp
            Filesize

            72KB

          • memory/2996-79-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2996-60-0x00000000001E0000-0x00000000001E2000-memory.dmp
            Filesize

            8KB

          • memory/2996-76-0x00000000001E0000-0x00000000001E2000-memory.dmp
            Filesize

            8KB

          • memory/2996-8-0x0000000010000000-0x0000000010020000-memory.dmp
            Filesize

            128KB

          • memory/2996-41-0x0000000000230000-0x0000000000231000-memory.dmp
            Filesize

            4KB

          • memory/2996-39-0x0000000000230000-0x0000000000231000-memory.dmp
            Filesize

            4KB

          • memory/2996-38-0x00000000001E0000-0x00000000001E2000-memory.dmp
            Filesize

            8KB

          • memory/2996-9-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2996-59-0x0000000000240000-0x0000000000252000-memory.dmp
            Filesize

            72KB

          • memory/2996-80-0x0000000000460000-0x0000000000472000-memory.dmp
            Filesize

            72KB

          • memory/2996-56-0x00000000001E0000-0x00000000001E2000-memory.dmp
            Filesize

            8KB

          • memory/2996-10-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/3040-23-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-64-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-65-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-66-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-63-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-62-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-58-0x00000000016D0000-0x00000000016D2000-memory.dmp
            Filesize

            8KB

          • memory/3040-47-0x00000000016E0000-0x00000000016E1000-memory.dmp
            Filesize

            4KB

          • memory/3040-49-0x00000000016D0000-0x00000000016D2000-memory.dmp
            Filesize

            8KB

          • memory/3040-83-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-84-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-16-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-22-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-17-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-19-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-21-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-20-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-107-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-108-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-124-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-147-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/3040-148-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-18-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-15-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-13-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-12-0x0000000000590000-0x000000000164A000-memory.dmp
            Filesize

            16.7MB

          • memory/3040-11-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB