Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 03:16

General

  • Target

    b52b0bbb58836919f932b072429b988f797bd1dbca990c9d986b49db9dd2c5fe.dll

  • Size

    120KB

  • MD5

    7cb949e49ec93bd0860a8fca517c6333

  • SHA1

    cc025bd345fa2520bc7629f5959103ded86624ed

  • SHA256

    b52b0bbb58836919f932b072429b988f797bd1dbca990c9d986b49db9dd2c5fe

  • SHA512

    8fbf15373cd1d317b03bb7c284c2935f6f7bf0e0c9aafd0775c3d7bd1b91d4d11e3f1d4fd76b4d4bdc50761a78853728878a354d496c8e873bca4254dddb32fa

  • SSDEEP

    1536:zG1U4xiIXaXliA/wRYRuPbxjSDFIinKU1sE2hE3gGV09bN1jhZhqyy0mXpVMGl:UUgP8PwO4ZShHxArjLu0msGl

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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1076
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1156
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b52b0bbb58836919f932b072429b988f797bd1dbca990c9d986b49db9dd2c5fe.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2640
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b52b0bbb58836919f932b072429b988f797bd1dbca990c9d986b49db9dd2c5fe.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1948
              • C:\Users\Admin\AppData\Local\Temp\f774634.exe
                C:\Users\Admin\AppData\Local\Temp\f774634.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:2804
              • C:\Users\Admin\AppData\Local\Temp\f774a2a.exe
                C:\Users\Admin\AppData\Local\Temp\f774a2a.exe
                4⤵
                • Executes dropped EXE
                PID:1548
              • C:\Users\Admin\AppData\Local\Temp\f77647d.exe
                C:\Users\Admin\AppData\Local\Temp\f77647d.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:1240
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1460

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f774634.exe

            Filesize

            97KB

            MD5

            757bc6fa365b62d3c220985a1cebda67

            SHA1

            e25c455777f184a4bd51c38f6a84a7d40a70cd89

            SHA256

            120b6b3d2e4162efb9cb4631b2a82c04489904e2bb00a2cc652f52a7c2e6948c

            SHA512

            6c54f8c191ee643c48d8c6ea706e5f09bf3cd6f6538b296169788d7f9f119bdd3cf125ba1f61263225e24df8adb5abeade9cdaa4469ba1d120b7573072da579d

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ace7506e5f3fa0bc2b0bb9b236fe6ce2

            SHA1

            7b9d168be5b5b39d68e6413b49cfd93286da6fb7

            SHA256

            a5c0e7561077de2f06e681ada54a2209699f374ee3a9f69a86d2942cad20f1c4

            SHA512

            9d781b8b6933923af1de905a0fb0ada6bac64dd4d74aac3c86a5b4cfad14627a616d85dc84a04fa05532de0337a1df77741f264cbebfc0131ba99988b46f65a1

          • memory/1064-30-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1240-168-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1240-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1240-106-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1240-206-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1240-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1240-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1240-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1548-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1548-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1548-100-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/1548-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1948-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1948-37-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1948-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1948-60-0x0000000000640000-0x0000000000652000-memory.dmp

            Filesize

            72KB

          • memory/1948-59-0x0000000000640000-0x0000000000652000-memory.dmp

            Filesize

            72KB

          • memory/1948-50-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1948-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-70-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1948-41-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1948-40-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1948-38-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2804-69-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-87-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-63-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-65-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-67-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-68-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-48-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2804-71-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-72-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-49-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2804-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-62-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-89-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-14-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-24-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-151-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-51-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2804-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-23-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB