Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 04:06

General

  • Target

    60583aa9600272da01b65bd8c2f4e6234dd75af2729b9a0b47cc5563c594a6f7N.dll

  • Size

    120KB

  • MD5

    2ba52908786bc412c892f366f471af90

  • SHA1

    18f584e3dd407399037d6132e64a6decbb3cb264

  • SHA256

    60583aa9600272da01b65bd8c2f4e6234dd75af2729b9a0b47cc5563c594a6f7

  • SHA512

    6186813a9288c5662b2a583915f879e5a22f82bde96bab1bcb3bc191b10811ceff49b4276ccc8893b88bc9848fe61a334760a96e5552f5cc78f5ffc8c981d0a2

  • SSDEEP

    3072:AAD4jgSfgJ6rClS+PKGzkbpeVRxbSSP+R9iQs:n4jzIYeluGzKwsG+R9id

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 14 IoCs

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

  • UPX packed file 23 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 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\60583aa9600272da01b65bd8c2f4e6234dd75af2729b9a0b47cc5563c594a6f7N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2572
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\60583aa9600272da01b65bd8c2f4e6234dd75af2729b9a0b47cc5563c594a6f7N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2692
              • C:\Users\Admin\AppData\Local\Temp\f76c4d5.exe
                C:\Users\Admin\AppData\Local\Temp\f76c4d5.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:2504
              • C:\Users\Admin\AppData\Local\Temp\f76c6c8.exe
                C:\Users\Admin\AppData\Local\Temp\f76c6c8.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:2772
              • C:\Users\Admin\AppData\Local\Temp\f76e09f.exe
                C:\Users\Admin\AppData\Local\Temp\f76e09f.exe
                4⤵
                • Executes dropped EXE
                PID:2688
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1348

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\f76c4d5.exe

                  Filesize

                  97KB

                  MD5

                  4ab7dc9ea8f2506d7f27ee00ab3b3385

                  SHA1

                  910b357910745bcffa0a562424ef8ce505a84d39

                  SHA256

                  0334b886a54a467c26efbe67842fb1383eaddf2331c7a17ffa32a4aa27e58829

                  SHA512

                  504c3b390c3089af772feea0cd92aa775e2a271e9d73e816767ba5809c26fb31fe149f04013cb5b41fcf9b85514c8634cc1a5e8d6e65cfcb9a2bab4a5e4b5654

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  269d018c5fc0e7954a8c0f00e9ac0860

                  SHA1

                  d8bc33501e0498b08e5241336d203a210757650b

                  SHA256

                  2b449c6c604aec97ea96fb875ec20cbdb0cc2bae348d2d351dd37f2e9438a3b0

                  SHA512

                  1e5328627310ecce1a2ccaf2887a7f1f6fd0e01bf6c71749ffe8a32fe475427cb301fd16067a4cb24625838ca16dc3934338a8a0fdddda5d80df2d8acfdf40d1

                • memory/1104-26-0x0000000000150000-0x0000000000152000-memory.dmp

                  Filesize

                  8KB

                • memory/2504-21-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-22-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-14-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2504-153-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-69-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-18-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-68-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-25-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-15-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-111-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-65-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-66-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-88-0x00000000003D0000-0x00000000003D2000-memory.dmp

                  Filesize

                  8KB

                • memory/2504-41-0x00000000003E0000-0x00000000003E1000-memory.dmp

                  Filesize

                  4KB

                • memory/2504-85-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-17-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-152-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2504-23-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-84-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-55-0x00000000003D0000-0x00000000003D2000-memory.dmp

                  Filesize

                  8KB

                • memory/2504-56-0x00000000003D0000-0x00000000003D2000-memory.dmp

                  Filesize

                  8KB

                • memory/2504-20-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-19-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-82-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-64-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-24-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-62-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2504-63-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2688-195-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2688-107-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2688-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2688-81-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2688-133-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2692-52-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2692-53-0x00000000002B0000-0x00000000002B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2692-32-0x00000000002B0000-0x00000000002B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2692-33-0x00000000002C0000-0x00000000002C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2692-42-0x00000000002C0000-0x00000000002C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2692-3-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2692-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2692-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2692-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2692-77-0x00000000002B0000-0x00000000002B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2692-13-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2692-50-0x00000000002B0000-0x00000000002B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2692-6-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2772-130-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2772-54-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2772-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2772-100-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2772-185-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2772-191-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2772-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB