Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 15:23

General

  • Target

    d7f3f5440400c3ef56d7893ff53ed03bf7579add1d8065caf4fc6fe8bb60a082N.exe

  • Size

    472KB

  • MD5

    ca2f851963b127ac6375c67d634826c0

  • SHA1

    540d2fd76702470e01f9e1b6fdedd0ca20a1bd18

  • SHA256

    d7f3f5440400c3ef56d7893ff53ed03bf7579add1d8065caf4fc6fe8bb60a082

  • SHA512

    5643be0b24b5bde427083db5cdaa19c759ec6563f26e8b247d958208af442afa5b9c773818d4716df689bc2e6322a7097c81890fab4c0f49fc0ba2e970ea8221

  • SSDEEP

    12288:Zr/DQBliWQapuDkmYlmD43FWKKykIQ54vmOfOxtLSN:ZjDQF5pcimCFWKFlvmoOxtON

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1136
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1188
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1220
          • C:\Users\Admin\AppData\Local\Temp\d7f3f5440400c3ef56d7893ff53ed03bf7579add1d8065caf4fc6fe8bb60a082N.exe
            "C:\Users\Admin\AppData\Local\Temp\d7f3f5440400c3ef56d7893ff53ed03bf7579add1d8065caf4fc6fe8bb60a082N.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • 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:2668
            • C:\Users\Admin\AppData\Local\Temp\is-A2T30.tmp\d7f3f5440400c3ef56d7893ff53ed03bf7579add1d8065caf4fc6fe8bb60a082N.tmp
              "C:\Users\Admin\AppData\Local\Temp\is-A2T30.tmp\d7f3f5440400c3ef56d7893ff53ed03bf7579add1d8065caf4fc6fe8bb60a082N.tmp" /SL5="$30144,165646,52736,C:\Users\Admin\AppData\Local\Temp\d7f3f5440400c3ef56d7893ff53ed03bf7579add1d8065caf4fc6fe8bb60a082N.exe"
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:2956
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1400

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\is-A2T30.tmp\d7f3f5440400c3ef56d7893ff53ed03bf7579add1d8065caf4fc6fe8bb60a082N.tmp

            Filesize

            700KB

            MD5

            33e8b39919174b19e28a017b74977a46

            SHA1

            bf5e5fa2d5d6cba4b40a8d0704bc4fe5ea37a6dd

            SHA256

            d761fc9a4e814b184e859b7675928a9950245582a6e55dd69887963c780a0e57

            SHA512

            9e13b41779ea1260131ef801fdf56dff60b21c1b0cc2fde544af42d4713b0db9f88d7b4e29a4fa19df2102a095d2f024726e7f4ca3cb20f70dab36909f9fa912

          • memory/1136-26-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/2668-38-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2668-53-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-11-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-15-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-37-0x0000000000470000-0x0000000000471000-memory.dmp

            Filesize

            4KB

          • memory/2668-35-0x0000000000470000-0x0000000000471000-memory.dmp

            Filesize

            4KB

          • memory/2668-34-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2668-8-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-14-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-12-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-0-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2668-39-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2668-72-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2668-13-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-42-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-7-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-16-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-41-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-9-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-43-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-45-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-44-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-47-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-48-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-49-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2668-10-0x0000000001E70000-0x0000000002F2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2956-51-0x0000000000400000-0x00000000004BE000-memory.dmp

            Filesize

            760KB

          • memory/2956-40-0x0000000000400000-0x00000000004BE000-memory.dmp

            Filesize

            760KB