Analysis

  • max time kernel
    37s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2024, 20:46

General

  • Target

    572d3d13e8fb670313b0420cecb3ab45b7f5bdfc35e447b8a75a9332e0c16b38.dll

  • Size

    120KB

  • MD5

    ed4e06260325d801cf676e397ef6cc05

  • SHA1

    1e9c1f24169eb0b377dbe1fa8f429980497017cc

  • SHA256

    572d3d13e8fb670313b0420cecb3ab45b7f5bdfc35e447b8a75a9332e0c16b38

  • SHA512

    9867db36ec3f36caef3fb5fd79746e556e90fb543727299f2682555e1d47b2ac34d110214b2a3f5f7a9e04dec37f131d7d612429c2c87191a63c163398a82bed

  • SSDEEP

    3072:zUHyMSJl91vcoZ1R98P5Wk4pDg/An+GTxBJ:zIi945rWDg/A+GJ

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 7 IoCs

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

  • UPX packed file 23 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:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\572d3d13e8fb670313b0420cecb3ab45b7f5bdfc35e447b8a75a9332e0c16b38.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2468
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\572d3d13e8fb670313b0420cecb3ab45b7f5bdfc35e447b8a75a9332e0c16b38.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2228
              • C:\Users\Admin\AppData\Local\Temp\f763fed.exe
                C:\Users\Admin\AppData\Local\Temp\f763fed.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:2692
              • C:\Users\Admin\AppData\Local\Temp\f7641b2.exe
                C:\Users\Admin\AppData\Local\Temp\f7641b2.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:1948
              • C:\Users\Admin\AppData\Local\Temp\f766123.exe
                C:\Users\Admin\AppData\Local\Temp\f766123.exe
                4⤵
                • Executes dropped EXE
                PID:2280
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1636

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f763fed.exe

            Filesize

            97KB

            MD5

            8b7e292ab49f4600c95804e0d399c153

            SHA1

            f1694b1b39c368d68a144b78a5a973ff4b17b07b

            SHA256

            2cc4f6e8227a29606550ac81adfddb1ab371699f4eec9b0d2b86d0aab0e548d0

            SHA512

            13c3d2aefd905fed352d0110f9538090b3544f1ea5c31bdefeaaf1eb28d79403ad8b5127810bac06274264071bd1fb6433cbdc640ccd2fef1bf2a506e6f8ef5c

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6285615d18cc104e6ae003606072c473

            SHA1

            66d286544886693972783fee7862349a26aedd78

            SHA256

            6446ae2c2bf14e19f0a5f67add2ba26fc3b2563f0218f77facb0ae17361d4d5a

            SHA512

            1696a2eb30196727b826abcfd81f9934eeadd5ead3a3300a01fd1b6b168c399e32ac9bbc1c5ef81f61c7a70a6b98dfc5835b3e06fb7cc3b369442b41e2cda9e5

          • memory/1116-30-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1948-118-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1948-97-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1948-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1948-184-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1948-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1948-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1948-170-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-77-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2228-9-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2228-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2228-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2228-82-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/2228-39-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2228-79-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/2228-63-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2228-78-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/2228-62-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/2228-49-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2228-40-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2228-10-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2228-56-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/2280-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2280-108-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2280-106-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2280-171-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2692-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-68-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2692-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-85-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-50-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2692-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2692-53-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2692-24-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-84-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-98-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-110-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-111-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-112-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-114-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-147-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB