Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 09:23

General

  • Target

    bda47cb88a48f31ac634674222808ec9bfe4568bc82b4f819729e99d431559b4.dll

  • Size

    120KB

  • MD5

    9fd28873db3342625b527a1d61f360d6

  • SHA1

    ec2bb16eef41f0a0248fb7b7aff8e88822d63d36

  • SHA256

    bda47cb88a48f31ac634674222808ec9bfe4568bc82b4f819729e99d431559b4

  • SHA512

    405c69411a64bb48b2cc90ff395235b9e32c29431a9b2f7a55c1b155a5db4367174b13658783ae890788b33d5acbd87230db446afbc253ab846ed9ee9ef098ce

  • SSDEEP

    3072:Z8uNklEpmdravCSd/whrcqAB2JTOnkdNPrEhvwUSZ:Z8nl1sCSJOr+BCOA0vIZ

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 11 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\bda47cb88a48f31ac634674222808ec9bfe4568bc82b4f819729e99d431559b4.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1268
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\bda47cb88a48f31ac634674222808ec9bfe4568bc82b4f819729e99d431559b4.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2652
              • C:\Users\Admin\AppData\Local\Temp\f76ce85.exe
                C:\Users\Admin\AppData\Local\Temp\f76ce85.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:2044
              • C:\Users\Admin\AppData\Local\Temp\f76d02b.exe
                C:\Users\Admin\AppData\Local\Temp\f76d02b.exe
                4⤵
                • Executes dropped EXE
                PID:2936
              • C:\Users\Admin\AppData\Local\Temp\f76f1ce.exe
                C:\Users\Admin\AppData\Local\Temp\f76f1ce.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:2736
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:672

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            09168b87349e7bb00df223dffe39fd49

            SHA1

            6290539509c76ca9ae800965f999902f9a07cb13

            SHA256

            ceec9e9b549f53954081e76f08678e3fe8e0690a9a69d4588906f590896509ca

            SHA512

            b6efa805d79c30765f151bd10a5fe503018940acdd228f17891dc5b8fd25de54e6c33f5754ce0902367e4929ca292f9fe1cdd50d4a31317210dc2d571586207e

          • \Users\Admin\AppData\Local\Temp\f76ce85.exe

            Filesize

            97KB

            MD5

            d220674b34170149626156d20759227e

            SHA1

            f9cccbf7f88573fa778560de0080f153f9bf504f

            SHA256

            a2d19115ab21ed5815b5f476524f7fe78091633958bb84abd6336df4e6138317

            SHA512

            4c33e081fc1dd6bd2900947899ab1baecce7b2c24f6b21218ed846e1e847f34c47cf219b412b71f29d65bdb9c992b364026127c0bdc43a164e7c0629bb466d08

          • memory/1124-32-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/2044-106-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-109-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-68-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2044-138-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2044-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-24-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-139-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-53-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2044-114-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-113-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-111-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-50-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2044-71-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-108-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-105-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-25-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-67-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-26-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-66-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2044-69-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2044-70-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-61-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2652-12-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2652-85-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2652-76-0x0000000000560000-0x0000000000572000-memory.dmp

            Filesize

            72KB

          • memory/2652-75-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2652-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2652-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2652-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2652-62-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2652-7-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2652-40-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2652-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2652-41-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2652-49-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2736-102-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2736-157-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2736-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2736-156-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-198-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-199-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2936-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2936-116-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2936-94-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2936-143-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2936-95-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2936-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB