Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 01:40

General

  • Target

    a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5.dll

  • Size

    120KB

  • MD5

    eb613ca57258709512eb1b147f253047

  • SHA1

    edf7e064c1f753a4913f2ef3622f4fb8b4aceb80

  • SHA256

    a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5

  • SHA512

    344f030b582f111f3b060eff86e15beffcf5c60b766ef3653c1cea9f3e3e28cfdc96aade73fb9f0fcd58a35af7d09911f89d53064ee57a4bd7690c66a0e0d31f

  • SSDEEP

    3072:Ak2LhALW38jLP/SlieYjXN+BlQIadxUNT:p2FAB2l0h+oR

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:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1920
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2536
              • C:\Users\Admin\AppData\Local\Temp\f768601.exe
                C:\Users\Admin\AppData\Local\Temp\f768601.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\f7687c6.exe
                C:\Users\Admin\AppData\Local\Temp\f7687c6.exe
                4⤵
                • Executes dropped EXE
                PID:2812
              • C:\Users\Admin\AppData\Local\Temp\f76a1bb.exe
                C:\Users\Admin\AppData\Local\Temp\f76a1bb.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:3064
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1444

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f768601.exe

            Filesize

            97KB

            MD5

            504d909572517e618a335383b779968a

            SHA1

            7098d960bd5b5b3667ff2f598f73e2f4c64a827e

            SHA256

            266245cee398a8ec878decbc67a30db205ae26712e188db8abbecae30b49e82d

            SHA512

            122b9e1ca9dc7d8a934571113757179fa4bf84e4f2d576fd54de0d1e4643e94aa28f97b44dc938821b628fda869e21b462e07f201901e52ac3fa3bccc8394ea9

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            cee19cfdc72e97b9d2629b9df53dea96

            SHA1

            45d21a91c5d34e9f88bc2946c270ff1471699ebc

            SHA256

            69291d608e8d36b04a650bc92c7d90a6b2e536a4c86e92d88f56cc8b60bc67b9

            SHA512

            3c26230a937f4deccf3513cbed99400ab672b50259b3c69849c0ac6c3e85fb0d2894041252dca421b7e56f9c41e52af0b1fa495458ea61a6e8f3069e19bcde10

          • memory/1088-27-0x00000000020F0000-0x00000000020F2000-memory.dmp

            Filesize

            8KB

          • memory/2536-61-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2536-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2536-13-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2536-12-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2536-58-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2536-43-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2536-60-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2536-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2536-79-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2536-74-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/2536-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2536-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2536-33-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2536-34-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2692-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-59-0x00000000015F0000-0x00000000015F2000-memory.dmp

            Filesize

            8KB

          • memory/2692-26-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-25-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-51-0x00000000015F0000-0x00000000015F2000-memory.dmp

            Filesize

            8KB

          • memory/2692-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-45-0x0000000003D00000-0x0000000003D01000-memory.dmp

            Filesize

            4KB

          • memory/2692-78-0x00000000015F0000-0x00000000015F2000-memory.dmp

            Filesize

            8KB

          • memory/2692-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-89-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-91-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-158-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-114-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-104-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2812-103-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2812-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-102-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2812-131-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3064-111-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3064-112-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/3064-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3064-136-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3064-110-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3064-180-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3064-211-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB