Analysis

  • max time kernel
    30s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 07:14

General

  • Target

    8f8a3d70664e8ab775690ea82ec80a35f0956ae179d834a593d66e8b7273d053.dll

  • Size

    120KB

  • MD5

    5e27c8e0e0c65fc6c8f02d47a804b022

  • SHA1

    9dea34f77cb816b82b9afc3592ab20964788a342

  • SHA256

    8f8a3d70664e8ab775690ea82ec80a35f0956ae179d834a593d66e8b7273d053

  • SHA512

    9b841636a11cadb58c3d23ee02308708616a06e1188392fd9306d5681bc7a6b6acce5c1f1d0b3016e92b5a5974301f8419df8e2075920bf15ce00d51dc7d487d

  • SSDEEP

    3072:SMsyq2ae8W67cw36kTI5ODYmST+y0CxSfwNpv+Yl:Sl2ae8mg6kTtV4+ywyVn

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
  • UPX packed file 18 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 42 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:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f8a3d70664e8ab775690ea82ec80a35f0956ae179d834a593d66e8b7273d053.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2600
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f8a3d70664e8ab775690ea82ec80a35f0956ae179d834a593d66e8b7273d053.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2344
              • C:\Users\Admin\AppData\Local\Temp\f786d05.exe
                C:\Users\Admin\AppData\Local\Temp\f786d05.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:2136
              • C:\Users\Admin\AppData\Local\Temp\f786f95.exe
                C:\Users\Admin\AppData\Local\Temp\f786f95.exe
                4⤵
                • Executes dropped EXE
                PID:2924
              • C:\Users\Admin\AppData\Local\Temp\f788797.exe
                C:\Users\Admin\AppData\Local\Temp\f788797.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:2756
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1440

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7e9a5225fd464a0120b3268aee9b862b

            SHA1

            54d7e798fe12a779b31efa5498f62de959ab7874

            SHA256

            1f43a74a447e73154e52f4f8e42706fe847b31a1ec90cd9ba3016598493ddd85

            SHA512

            de5a1b15aeb499ac5599da1bdaaa1eb9f88285d980cef3a99dca1d785fe3824a344f57a1c8405e1e48b40b46d8490384ab7ac45fbd95321973e1a1eb3a7cb4ba

          • \Users\Admin\AppData\Local\Temp\f786d05.exe

            Filesize

            97KB

            MD5

            68c354b8f304adb33092da2620b592c1

            SHA1

            3a2fd57eed024973f7b32711cd1dd6f04c19216c

            SHA256

            dc29449361bfc49fee67089e4c56e2cde17fd3a7ab491278618ec5a879488e80

            SHA512

            34fb97b4a0677cbbca5f0bdb68d9597ce401cda978ee160a51b81c1e8d10994580cac2bd7e2e22a4adbdcfaa6372b2dde181a636bb260d83368991ffa88fc213

          • memory/1088-21-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2136-103-0x00000000044C0000-0x00000000044C2000-memory.dmp

            Filesize

            8KB

          • memory/2136-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-12-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-35-0x0000000002F70000-0x0000000002F71000-memory.dmp

            Filesize

            4KB

          • memory/2136-119-0x0000000001730000-0x0000000001732000-memory.dmp

            Filesize

            8KB

          • memory/2136-107-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-106-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-128-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-77-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-88-0x0000000004610000-0x0000000004611000-memory.dmp

            Filesize

            4KB

          • memory/2136-61-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-76-0x0000000001730000-0x0000000001732000-memory.dmp

            Filesize

            8KB

          • memory/2136-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-62-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-38-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-36-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-16-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-14-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-37-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-59-0x0000000001730000-0x0000000001732000-memory.dmp

            Filesize

            8KB

          • memory/2136-53-0x0000000001730000-0x0000000001732000-memory.dmp

            Filesize

            8KB

          • memory/2136-60-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2344-50-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2344-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2344-75-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2344-71-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2344-48-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2344-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2344-49-0x0000000000460000-0x0000000000472000-memory.dmp

            Filesize

            72KB

          • memory/2344-39-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2344-28-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2344-43-0x0000000000460000-0x0000000000472000-memory.dmp

            Filesize

            72KB

          • memory/2344-27-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2344-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2756-101-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2756-133-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2756-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2756-138-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-171-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2756-172-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2924-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2924-94-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2924-95-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2924-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2924-132-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB