Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 23:06

General

  • Target

    43646517cb1b49d0dbebc90eec3e212e472760555efd28da3147b7aa4be8eb00.dll

  • Size

    120KB

  • MD5

    ebde9bac28af7f02352c41e90a42b5e5

  • SHA1

    3403917e7bed4e5d216aecbf7618f50cb0503a6b

  • SHA256

    43646517cb1b49d0dbebc90eec3e212e472760555efd28da3147b7aa4be8eb00

  • SHA512

    1312268b3d2ec38f9dce9529146fb80feb8357a11c1330c0490e6fc43520e21f381aa653e4bd2794eeafce39b4ab858648f8aef38dfcf0f8c0d8dc2604878148

  • SSDEEP

    3072:H5bqAhEmOcWag7Yd3ngYDpDpPTl4LqQR:H5bqATRA/YtDTQ

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 24 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:1100
    • 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\43646517cb1b49d0dbebc90eec3e212e472760555efd28da3147b7aa4be8eb00.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2096
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\43646517cb1b49d0dbebc90eec3e212e472760555efd28da3147b7aa4be8eb00.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2484
              • C:\Users\Admin\AppData\Local\Temp\f7675bc.exe
                C:\Users\Admin\AppData\Local\Temp\f7675bc.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:2756
              • C:\Users\Admin\AppData\Local\Temp\f7677af.exe
                C:\Users\Admin\AppData\Local\Temp\f7677af.exe
                4⤵
                • Executes dropped EXE
                PID:1920
              • C:\Users\Admin\AppData\Local\Temp\f769167.exe
                C:\Users\Admin\AppData\Local\Temp\f769167.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:2080
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1560

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            28fc51af71594628509194928158a200

            SHA1

            0e336c0e6587cc2866f1edfaaab4e2418b722cb9

            SHA256

            eaffc27a3751e10675903cd9c8e5254e69120eba055b5af7159bfa50beaa424e

            SHA512

            b345973a1a10b098371f34e0bc538138af00767f45c5c32444c7c04c356dc8e3a827b9a3971e38cd4b8caf30b98824d4d6d9829217740d37057eddaf9d9c36ec

          • \Users\Admin\AppData\Local\Temp\f7675bc.exe

            Filesize

            97KB

            MD5

            adccfd8126dda9de97c1f56280604a1e

            SHA1

            5234cfae721e9e0f44dcb1b4a9b311020e1976b8

            SHA256

            809111ef4bfb2105fcd29b5d306e7fafe29ac3f410ade9bd1681225a604ebf23

            SHA512

            fc9875a32efe3d7e167eeb592b4912f9665f5d314383e172da7542357b38047227e2cc5e36a2c3df315ce3abec9c6e46a33ba5f377f1c4f6373e01f5256e859d

          • memory/1100-30-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/1920-109-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1920-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1920-102-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1920-101-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1920-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2080-107-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2080-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2080-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2080-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-170-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-210-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2484-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2484-59-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2484-60-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2484-73-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2484-46-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2484-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2484-36-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2484-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2484-79-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2484-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2484-5-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2484-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2756-62-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-89-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-66-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-65-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-68-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-69-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-63-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-16-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-83-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2756-19-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-21-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-86-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-88-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-64-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-47-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2756-24-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2756-111-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2756-23-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-15-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2756-154-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-18-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-22-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-20-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-17-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB