Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 00:05

General

  • Target

    737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll

  • Size

    120KB

  • MD5

    1cf5ade975f33d292e8f70788fb26ee5

  • SHA1

    d19d15886679cbcac57892f7de19513823ba3003

  • SHA256

    737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2

  • SHA512

    c5912f86ca6d160d5603299f14013fca421a61cac520c1fc979e0b497de9c4cd8387592ed03eb2f1e61f9d48e45baba6a95f6440cda7d23d00d59772a3c375f5

  • SSDEEP

    1536:zqqfJej1q5C+tWjV38HDyS9Y51ONaJzR1ayDpsWedpdPWliHkODdTKRff:mo418CxiH8+Nax9vbODdm

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 25 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1732
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1996
              • C:\Users\Admin\AppData\Local\Temp\f76a238.exe
                C:\Users\Admin\AppData\Local\Temp\f76a238.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:2000
              • C:\Users\Admin\AppData\Local\Temp\f76a3fd.exe
                C:\Users\Admin\AppData\Local\Temp\f76a3fd.exe
                4⤵
                • Executes dropped EXE
                PID:2432
              • C:\Users\Admin\AppData\Local\Temp\f76be31.exe
                C:\Users\Admin\AppData\Local\Temp\f76be31.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:2676
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1672

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76a238.exe

            Filesize

            97KB

            MD5

            3f0ab17afe3baa25e4eb2fa204b97883

            SHA1

            8162cd63cb39d709fff10a2045499e3bd2b33370

            SHA256

            7b82d35ec54f1163bb97d73dbee5e29d75c2f48889df0bf66db9934b8afafc72

            SHA512

            d0751b62262453c692fc79288352eeb7429fa3ac50fb8a81748186bd8f4d716f47ed00cd5d95708afbc4a9d1471c5005183cc5de92f7e9d188e07a74121e6347

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2f9951fd847ad09e3845b42d92b5c2fd

            SHA1

            26153eafea2a8a0ac30531e5589176f8dc61d364

            SHA256

            6f5bc98a42a538ee20e881c9ca0d1393f12679985d4f0504575a4670dbe5d9d9

            SHA512

            c6edf5e25014be20d13d223c0a7e967c302aa5fa01f06ae3e940d84ac0bb3e64076692342fef2723ab5bf6b1b7ae62eebd42c8b3cbb8ce1931f7bbcd2dd87cb5

          • memory/1104-32-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1996-81-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1996-87-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/1996-217-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/1996-13-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/1996-12-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/1996-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1996-75-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/1996-48-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1996-86-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/1996-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1996-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1996-61-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1996-60-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/1996-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1996-58-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1996-39-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1996-40-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2000-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-24-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-59-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2000-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-31-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-25-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2000-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-68-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-70-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-71-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-51-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2000-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-78-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2000-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-49-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB

          • memory/2000-90-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-91-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-94-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2000-115-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-95-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2000-163-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2432-143-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2432-114-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2432-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2432-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-111-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2676-110-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2676-113-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2676-184-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-88-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-215-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB