Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 23:03

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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\43646517cb1b49d0dbebc90eec3e212e472760555efd28da3147b7aa4be8eb00.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2204
            • 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:2212
              • C:\Users\Admin\AppData\Local\Temp\f7694b1.exe
                C:\Users\Admin\AppData\Local\Temp\f7694b1.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:2088
              • C:\Users\Admin\AppData\Local\Temp\f769656.exe
                C:\Users\Admin\AppData\Local\Temp\f769656.exe
                4⤵
                • Executes dropped EXE
                PID:2632
              • C:\Users\Admin\AppData\Local\Temp\f76b04c.exe
                C:\Users\Admin\AppData\Local\Temp\f76b04c.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:1328
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1268

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7694b1.exe

            Filesize

            97KB

            MD5

            adccfd8126dda9de97c1f56280604a1e

            SHA1

            5234cfae721e9e0f44dcb1b4a9b311020e1976b8

            SHA256

            809111ef4bfb2105fcd29b5d306e7fafe29ac3f410ade9bd1681225a604ebf23

            SHA512

            fc9875a32efe3d7e167eeb592b4912f9665f5d314383e172da7542357b38047227e2cc5e36a2c3df315ce3abec9c6e46a33ba5f377f1c4f6373e01f5256e859d

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c4d378da49c0e784958bbf1d1bf00646

            SHA1

            651a8d9ee5f2b4d6a28dd6f0306ff8bce106c6e4

            SHA256

            c0ad4e590a18f707df6ee7fb73e910a917e21576eb366629974fa1cab6c64ac1

            SHA512

            6d7ee8a328b7330f0d487875ed53e27df4acafc75aeab1fea75741cb5eaefa48ba923a5a78b138e2ef3e05af6b96fa8fca219ff7e3f4d502983d7566717bb2d8

          • memory/1112-31-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1328-212-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/1328-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1328-181-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/1328-115-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1328-112-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1328-90-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2088-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-72-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-53-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2088-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2088-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2088-61-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2088-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-160-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-51-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2088-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-95-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-93-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-92-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-25-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-82-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2088-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-73-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2088-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2212-50-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2212-40-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2212-85-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2212-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2212-63-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2212-89-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2212-88-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2212-41-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2212-77-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2212-12-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2212-214-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2212-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2212-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2212-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2212-60-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2212-62-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2632-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-136-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2632-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-105-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2632-106-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2632-114-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB