Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2025, 07:12

General

  • Target

    a635801a7936fd18c60ca594c5147f0ea80b886432d8f4ee42024e1b2fc9075c.dll

  • Size

    120KB

  • MD5

    d2265988dfb4dedf1506075991ac1ab1

  • SHA1

    03dd08f7440bca12bb1f738e12429c85395fbb6c

  • SHA256

    a635801a7936fd18c60ca594c5147f0ea80b886432d8f4ee42024e1b2fc9075c

  • SHA512

    3e454c1b1a68fa22a62be1cd15b7df360e6e3a4e92ee748310a2b89d1f84e4cece7e50029d0e3fe5e0b43ca1acfe03507c06ce8742a25f0f6aab7b06bf6b00e1

  • SSDEEP

    3072:ZUoX+8YXAsgA0NF4qbTQS+pZvCNe8bRhiR:BXpsWhMS+TvCNeQG

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 15 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 2 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:1052
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a635801a7936fd18c60ca594c5147f0ea80b886432d8f4ee42024e1b2fc9075c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2432
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a635801a7936fd18c60ca594c5147f0ea80b886432d8f4ee42024e1b2fc9075c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1972
              • C:\Users\Admin\AppData\Local\Temp\f7694d0.exe
                C:\Users\Admin\AppData\Local\Temp\f7694d0.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:2492
              • C:\Users\Admin\AppData\Local\Temp\f769695.exe
                C:\Users\Admin\AppData\Local\Temp\f769695.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2724
              • C:\Users\Admin\AppData\Local\Temp\f76b08a.exe
                C:\Users\Admin\AppData\Local\Temp\f76b08a.exe
                4⤵
                • Executes dropped EXE
                PID:2612
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:832

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  5e82774b619a930e1aa6342ec6b1aeb9

                  SHA1

                  4167a41a1f7486fc0618036776fbb6473e62d074

                  SHA256

                  67540530f5d7c638bb4cbe7ea79aec8346c5638e116bf5593132a94578774949

                  SHA512

                  63980c6be1350e14ed382043e92a0590c24299e5d088d3c76ca75dfd9577286c620a43413d4ebd2857843b3ba8ce52da709cac4f72567e60bdcf07c4fda0ec1e

                • \Users\Admin\AppData\Local\Temp\f7694d0.exe

                  Filesize

                  97KB

                  MD5

                  bc850d76e7016a3b38d73f8ae2d75c34

                  SHA1

                  1f836046d4fcfca7fa36a7e38f86cf0d5ff04c77

                  SHA256

                  e28f69e06e7c73d7b55ed326a48c6e0e439d7de1baf3ce2ce93d8b9c7f8b1a87

                  SHA512

                  91a922cce353c3ec47911ce0a1ca42cdbebe19e893270983fc3027d5f6e757c2e544098a0032dc579fcb0218c35f30e48bc9dec836ba26f01c5d44664f8d4f05

                • memory/1052-32-0x0000000002070000-0x0000000002072000-memory.dmp

                  Filesize

                  8KB

                • memory/1972-75-0x0000000000230000-0x0000000000242000-memory.dmp

                  Filesize

                  72KB

                • memory/1972-40-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1972-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1972-12-0x0000000000180000-0x0000000000192000-memory.dmp

                  Filesize

                  72KB

                • memory/1972-10-0x0000000000180000-0x0000000000192000-memory.dmp

                  Filesize

                  72KB

                • memory/1972-49-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1972-85-0x0000000000180000-0x0000000000182000-memory.dmp

                  Filesize

                  8KB

                • memory/1972-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1972-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1972-59-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/1972-3-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1972-62-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/1972-61-0x00000000001D0000-0x00000000001E2000-memory.dmp

                  Filesize

                  72KB

                • memory/1972-39-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2492-24-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-78-0x0000000000490000-0x0000000000492000-memory.dmp

                  Filesize

                  8KB

                • memory/2492-14-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2492-26-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-25-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-23-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-22-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-20-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-18-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-17-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-15-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-52-0x0000000000490000-0x0000000000492000-memory.dmp

                  Filesize

                  8KB

                • memory/2492-64-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-66-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-65-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-68-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-67-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-70-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-71-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-154-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2492-21-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-50-0x00000000017F0000-0x00000000017F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2492-19-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-87-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-88-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-92-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-155-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-112-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-111-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2612-108-0x00000000002C0000-0x00000000002C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-109-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2612-110-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2612-86-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2612-188-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2724-106-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2724-101-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2724-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2724-129-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2724-63-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2724-177-0x0000000000980000-0x0000000001A3A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2724-184-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB