Analysis

  • max time kernel
    31s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/11/2024, 16:05

General

  • Target

    bc7e3bde548b655371e4c68d74481f2c4102c628ce3b3129af7849ae08615cb8N.dll

  • Size

    120KB

  • MD5

    4a792d0e50d19c23e13a69b8ad02db60

  • SHA1

    ab496dc6052f5e6b442dc54d81dd2618afffcbea

  • SHA256

    bc7e3bde548b655371e4c68d74481f2c4102c628ce3b3129af7849ae08615cb8

  • SHA512

    1ceb7159e124963c8274c9b12c533df4e002df00b43a6035897827783b2e09c4bb16e2db30001257a10662829ec6647fc60a5ea1075cdadab18671a2a0ed75e2

  • SSDEEP

    1536:pSjeer8nzpM4MfNXbkVIXqzw5tkBgy+hNe9bmnpFl7jqhZxT2QjNKFojoRbxcaic:gj2M4MfBkXBgdA9bGj6vT38FojQlFD

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 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 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:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1236
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1280
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc7e3bde548b655371e4c68d74481f2c4102c628ce3b3129af7849ae08615cb8N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3032
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc7e3bde548b655371e4c68d74481f2c4102c628ce3b3129af7849ae08615cb8N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2668
              • C:\Users\Admin\AppData\Local\Temp\f764bcf.exe
                C:\Users\Admin\AppData\Local\Temp\f764bcf.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:2752
              • C:\Users\Admin\AppData\Local\Temp\f764e4f.exe
                C:\Users\Admin\AppData\Local\Temp\f764e4f.exe
                4⤵
                • Executes dropped EXE
                PID:2952
              • C:\Users\Admin\AppData\Local\Temp\f766ab5.exe
                C:\Users\Admin\AppData\Local\Temp\f766ab5.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:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:840

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  733d42b156f6f8cd404df8c667db0806

                  SHA1

                  69c927e077e4bd6aafd6f0307e7fbdc4d78355bd

                  SHA256

                  27ba5c6139275aa3968d790f77e4b6c397d091c671974e6c71d357277740a775

                  SHA512

                  854c685e2523fba43bbee2c70bd45c640c8e7ec89deb78e4300b27125cf7dd9940c843b38cd2ca807bc17a6a5dda1c04ae6374f93123bb4ad16ba2358a936040

                • \Users\Admin\AppData\Local\Temp\f764bcf.exe

                  Filesize

                  97KB

                  MD5

                  847f2536f53bf9619338998763cab77e

                  SHA1

                  f1669c9d82d7ff1527d293cc2e423daeb42cdba3

                  SHA256

                  0c23d54905945ca37ec832be048d135f961ea8693b801581bea894d7fa30f647

                  SHA512

                  404baa6b51f3d9002885ed070000331ea0cc3e071b687e9f121fee44c91199e03702237a7427130e904fb1ab5cba69aaa0f8952abd41989e3e4bb02fd395e38a

                • memory/1128-31-0x00000000003D0000-0x00000000003D2000-memory.dmp

                  Filesize

                  8KB

                • memory/2668-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2668-13-0x0000000000150000-0x0000000000162000-memory.dmp

                  Filesize

                  72KB

                • memory/2668-60-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2668-10-0x0000000000150000-0x0000000000162000-memory.dmp

                  Filesize

                  72KB

                • memory/2668-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2668-3-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2668-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2668-39-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2668-49-0x0000000000200000-0x0000000000201000-memory.dmp

                  Filesize

                  4KB

                • memory/2668-62-0x0000000000250000-0x0000000000262000-memory.dmp

                  Filesize

                  72KB

                • memory/2668-63-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2668-40-0x0000000000200000-0x0000000000201000-memory.dmp

                  Filesize

                  4KB

                • memory/2752-25-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-71-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-14-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2752-18-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-17-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2752-50-0x0000000000560000-0x0000000000561000-memory.dmp

                  Filesize

                  4KB

                • memory/2752-19-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-21-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-23-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-15-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-20-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-24-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-22-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-65-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-67-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-66-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-68-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-69-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-53-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2752-72-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-73-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-74-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-156-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-88-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-90-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2752-155-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2804-166-0x0000000000900000-0x00000000019BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2804-111-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2804-214-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2804-215-0x0000000000900000-0x00000000019BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2804-113-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2804-86-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2952-134-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2952-162-0x0000000000900000-0x00000000019BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2952-64-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2952-161-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2952-112-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2952-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2952-216-0x0000000000900000-0x00000000019BA000-memory.dmp

                  Filesize

                  16.7MB