Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 13:42

General

  • Target

    46056e31bc09f462790305fb107e96beaf81e8cd24995090e90c329076fa8054.dll

  • Size

    120KB

  • MD5

    65cc4c86901e53f1b29467938dede4be

  • SHA1

    5800faf42650109eafba08bd2737d90b4eb09cd3

  • SHA256

    46056e31bc09f462790305fb107e96beaf81e8cd24995090e90c329076fa8054

  • SHA512

    4a5546deac4d2646b49fa02d56e1ceaa9e6ede7b03d89ee6d8aed5f1be272ea3797364b3b83357d6cadde8b34a20362a9dced88db1a40dacf22b5b8d1ef0c1f5

  • SSDEEP

    3072:CRgvSQ2LaQAE7m020Vf1G2DQYa5esWtnW:KgvF2yEK020VfYe3tnW

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.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • UPX packed file 26 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\46056e31bc09f462790305fb107e96beaf81e8cd24995090e90c329076fa8054.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2712
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\46056e31bc09f462790305fb107e96beaf81e8cd24995090e90c329076fa8054.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2776
              • C:\Users\Admin\AppData\Local\Temp\f76f24b.exe
                C:\Users\Admin\AppData\Local\Temp\f76f24b.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2752
              • C:\Users\Admin\AppData\Local\Temp\f76f3e0.exe
                C:\Users\Admin\AppData\Local\Temp\f76f3e0.exe
                4⤵
                • Executes dropped EXE
                PID:448
              • C:\Users\Admin\AppData\Local\Temp\f770e05.exe
                C:\Users\Admin\AppData\Local\Temp\f770e05.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2976
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1640

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a0352ce530197023f31eacd70c7f210e

            SHA1

            fea53a9a7fb604158e7fb0fb989b41d94f3d3ed6

            SHA256

            2c9ce18bc767f5d632883feaea31cb376882e069c159e5eb440ea1b6214a4d1e

            SHA512

            88617e1ab3ded188a25f681d9a52720354aaf7ed1ed991dc596faff8e4418ecd2439f368f1bd852170ad3ee09369d3ddf901d9debe31c4b4863f24c30e300fc4

          • \Users\Admin\AppData\Local\Temp\f76f24b.exe

            Filesize

            97KB

            MD5

            9e78100f350fc887406144087c39943f

            SHA1

            d069c1a278a8fd91c99a0207c7977c2931b7a2f0

            SHA256

            6a8e76c41de28ec727f8130a32e41b0d0c6c04bd2a9020d75f99b5fbf85fc0a9

            SHA512

            248e3aced16e54d67442769307be9388cd15aeb66f30b0198f8bca7e6e489747d9669c1f16f9d048c165949184433c4c5a2808b63104656c4e48c5f6aa1a974f

          • memory/448-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/448-166-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/448-127-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/448-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/448-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/448-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1116-32-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/2752-109-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-69-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-48-0x0000000000380000-0x0000000000381000-memory.dmp

            Filesize

            4KB

          • memory/2752-153-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-112-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-58-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2752-50-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2752-110-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-24-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-90-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-26-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-25-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-63-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-64-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-23-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-70-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-87-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-86-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-57-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2776-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2776-47-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2776-38-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2776-7-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2776-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2776-13-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2776-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2776-59-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2776-39-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2776-211-0x0000000000450000-0x0000000000462000-memory.dmp

            Filesize

            72KB

          • memory/2776-83-0x0000000000450000-0x0000000000462000-memory.dmp

            Filesize

            72KB

          • memory/2776-82-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2776-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2776-60-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2976-105-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2976-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-171-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2976-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-209-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB