Analysis

  • max time kernel
    26s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 16:32

General

  • Target

    a6eb487921accb2bd4514fce5c4b46e5f6efba394e7b0d400abdc76f7d144db0N.dll

  • Size

    120KB

  • MD5

    10940d17f6f7508cd741a5a1cdf70720

  • SHA1

    fba6bc051a84576222dc03c1ea9f0d350996419a

  • SHA256

    a6eb487921accb2bd4514fce5c4b46e5f6efba394e7b0d400abdc76f7d144db0

  • SHA512

    b0b060f3d313d59fb0866e3f76e40c2093601b432c3acd568beb89d392920d006819416a56f982c081a49c6e9b3f1434eb40bfcb25e29f5b4ef91d50ade9afd0

  • SSDEEP

    3072:4BLVLc2HTB6j+P4qc7v6B89XOPnZHn2l:12zUj1Rr6B89XORHk

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 16 IoCs

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

  • UPX packed file 26 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6eb487921accb2bd4514fce5c4b46e5f6efba394e7b0d400abdc76f7d144db0N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1716
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6eb487921accb2bd4514fce5c4b46e5f6efba394e7b0d400abdc76f7d144db0N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2904
              • C:\Users\Admin\AppData\Local\Temp\f7683ef.exe
                C:\Users\Admin\AppData\Local\Temp\f7683ef.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:2228
              • C:\Users\Admin\AppData\Local\Temp\f768594.exe
                C:\Users\Admin\AppData\Local\Temp\f768594.exe
                4⤵
                • Executes dropped EXE
                PID:2148
              • C:\Users\Admin\AppData\Local\Temp\f769f6b.exe
                C:\Users\Admin\AppData\Local\Temp\f769f6b.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:2764
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:820

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            aa0e51526d8795e8bc998e759cd5c41f

            SHA1

            f6179bfccaf00acc00a3f009e7f998587835d700

            SHA256

            f6ed0d83362df8c21222535b1c4fc8741568bd27c34001420a063538cfa75bd7

            SHA512

            13406024d0205b3f82f3a3fe3cfb1d798b11e9c36d4be0696826cbf8ad845eb965dd14abac34c9a07abbf13f0be3685e3611826fcf0eebae43ae72a549fed164

          • \Users\Admin\AppData\Local\Temp\f7683ef.exe

            Filesize

            97KB

            MD5

            b82db6d67bff25ab8090b85a38e575d8

            SHA1

            2f9156f59c1050ea8f9a2dcc40bb1d3347018214

            SHA256

            274fcfd54935359e3cfffdc923b029700d16a29f38a38fb35941a4eef7cb2c21

            SHA512

            3fa40ae6a6207a4e6ad5798a20eae993ac344de7d9527fdeda5ff91129f2e1dc3fb45e949c3171db6eabe1e9b8914b0fd9a9714cab0fb10624d7b0e4e81d4d08

          • memory/1108-28-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/2148-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2148-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2148-130-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2148-93-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2148-99-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2148-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2228-60-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2228-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-107-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2228-44-0x00000000017B0000-0x00000000017B1000-memory.dmp

            Filesize

            4KB

          • memory/2228-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2228-13-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-59-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-156-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-62-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-11-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2228-108-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-80-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-82-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2228-85-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2764-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2764-167-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2764-166-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-214-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-34-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2904-74-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2904-77-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/2904-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2904-54-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2904-8-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2904-56-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2904-57-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2904-43-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2904-35-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB