Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 04:06

General

  • Target

    beb3391c0514db02c2ae92f2e3a30801dbcf50e8456488ffb863a48a6e931cadN.dll

  • Size

    120KB

  • MD5

    8bbb208860c62587815d5f43f89e27a0

  • SHA1

    7cb46181d64331b69a9f324938adfb4485f1f7ed

  • SHA256

    beb3391c0514db02c2ae92f2e3a30801dbcf50e8456488ffb863a48a6e931cad

  • SHA512

    3ea26bab870370b40c9afe21dca6dda5ad1862837ac4743eb9490f3179cd8511d2c4785ad05931fba10d96c8e821d5aac713301e5552c6ae262794f6e1d44389

  • SSDEEP

    3072:YRj/iIuUPdInt1iHOr7wgY/FRih3c7YN:lIu4dIt1iiZY9I+8N

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 14 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\beb3391c0514db02c2ae92f2e3a30801dbcf50e8456488ffb863a48a6e931cadN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2656
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\beb3391c0514db02c2ae92f2e3a30801dbcf50e8456488ffb863a48a6e931cadN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2284
              • C:\Users\Admin\AppData\Local\Temp\f76e273.exe
                C:\Users\Admin\AppData\Local\Temp\f76e273.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\f76e476.exe
                C:\Users\Admin\AppData\Local\Temp\f76e476.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:2596
              • C:\Users\Admin\AppData\Local\Temp\f76fdc0.exe
                C:\Users\Admin\AppData\Local\Temp\f76fdc0.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:2876
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1864

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  3008f3a15911d9dde5e4cfb16c76f6dd

                  SHA1

                  a439c6e7bcbc6173e19ee9da8a33a62c5a631818

                  SHA256

                  596d2da5cd4f32fbf65b1097c4372b511f84d14ad31bd650fd1b55ecaa6d80b6

                  SHA512

                  a4f6a401516031a4ae0f20fc1abf06e511f0d507b3a3715c63b6feaa57ca4d4179d35c4fd79a5f0e604b2f384e05e4979cb449575636a28940c64fb5eca93f99

                • \Users\Admin\AppData\Local\Temp\f76e273.exe

                  Filesize

                  97KB

                  MD5

                  6ec3ad7c80f41a0bc24906b38812c51c

                  SHA1

                  3e8efa0470415f5095e46f1d7f4024281f9a89d2

                  SHA256

                  9c360222b1f4c29b787f79f68d3d512eeff8035535825ed9390f5048dbf0e950

                  SHA512

                  3f291b37034c3e69d3e341017744b38db9e78483aceba251e118563aeabb227fc4ba7b6be5ecf7d5f4a5ddeddfb2e4e8a0bef486ee03a7d240051fd5d4fa570a

                • memory/1088-25-0x0000000001F10000-0x0000000001F12000-memory.dmp

                  Filesize

                  8KB

                • memory/2284-12-0x0000000000140000-0x0000000000152000-memory.dmp

                  Filesize

                  72KB

                • memory/2284-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2284-3-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2284-51-0x00000000001A0000-0x00000000001B2000-memory.dmp

                  Filesize

                  72KB

                • memory/2284-79-0x0000000000140000-0x0000000000142000-memory.dmp

                  Filesize

                  8KB

                • memory/2284-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2284-31-0x0000000000180000-0x0000000000182000-memory.dmp

                  Filesize

                  8KB

                • memory/2284-32-0x0000000000190000-0x0000000000191000-memory.dmp

                  Filesize

                  4KB

                • memory/2284-41-0x0000000000190000-0x0000000000191000-memory.dmp

                  Filesize

                  4KB

                • memory/2284-49-0x0000000000180000-0x0000000000182000-memory.dmp

                  Filesize

                  8KB

                • memory/2284-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2284-52-0x0000000000180000-0x0000000000182000-memory.dmp

                  Filesize

                  8KB

                • memory/2596-53-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2596-157-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2596-156-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2596-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2596-192-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2596-110-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2596-191-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-65-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-20-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

                  Filesize

                  4KB

                • memory/2756-16-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-14-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-17-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-62-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-61-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-63-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-64-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-59-0x0000000000290000-0x0000000000292000-memory.dmp

                  Filesize

                  8KB

                • memory/2756-81-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-24-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-18-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-83-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-82-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-86-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-94-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-96-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-60-0x0000000000290000-0x0000000000292000-memory.dmp

                  Filesize

                  8KB

                • memory/2756-23-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-19-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-21-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-148-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-147-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2756-22-0x0000000000620000-0x00000000016DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-13-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2876-80-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2876-109-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2876-106-0x0000000000200000-0x0000000000201000-memory.dmp

                  Filesize

                  4KB

                • memory/2876-236-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB