Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 02:54

General

  • Target

    424310c8d96f7510c09c2b4263088543872b9d9f56b005a1ad41096c22323505N.dll

  • Size

    120KB

  • MD5

    d02301f1313a242f4b37b99019210830

  • SHA1

    b1742734cf1390b119e108195bbe0e466ad59a5e

  • SHA256

    424310c8d96f7510c09c2b4263088543872b9d9f56b005a1ad41096c22323505

  • SHA512

    1451a0de8b27a4880e18945d852874b884bd36d01eaa2991a0afbe4729677983fa9b7004c3e8fc908fbd2a9b4e4d4aa76d347bf64681a99445ccc328c76b7b98

  • SSDEEP

    3072:/v+1x+3wXG+GQNg/3v285fvevIEdBIeirFzBYVv:/v+1DvE/285yRTIemiR

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 15 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\424310c8d96f7510c09c2b4263088543872b9d9f56b005a1ad41096c22323505N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2480
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\424310c8d96f7510c09c2b4263088543872b9d9f56b005a1ad41096c22323505N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2504
              • C:\Users\Admin\AppData\Local\Temp\f76b4fd.exe
                C:\Users\Admin\AppData\Local\Temp\f76b4fd.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:2528
              • C:\Users\Admin\AppData\Local\Temp\f76b8c4.exe
                C:\Users\Admin\AppData\Local\Temp\f76b8c4.exe
                4⤵
                • Executes dropped EXE
                PID:2788
              • C:\Users\Admin\AppData\Local\Temp\f76d0a7.exe
                C:\Users\Admin\AppData\Local\Temp\f76d0a7.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:2824
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1684

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  2054bba820e50494b8280cd34e64543e

                  SHA1

                  ecdeb043380c91895d53dcac2cfe443b0d5b43d5

                  SHA256

                  9cd043faff7ad4294c59a1755aaace355e5449d5696807b7deced50352059e5c

                  SHA512

                  6be7b9c4501a4c12cd59ebb9ceb3af73f1ad0d661af98ba92f90a9aa60ea54937937485c496ce3e2347434a589edad5e247d0536ff60c84d8fe6e33bce8e3873

                • \Users\Admin\AppData\Local\Temp\f76b4fd.exe

                  Filesize

                  97KB

                  MD5

                  15b966074d01fceb44f96fa4016ae847

                  SHA1

                  fb7452f66282f0e8dc0b9e69bd5be8f1bd2310b1

                  SHA256

                  8954e3d9ba711ae255f1027abaf9916a363c4d76ab77b601dc989f59be303e46

                  SHA512

                  e4041612d1ba4b1d62c1dd3be5b4ce5d31dc703b8759011d9fc52799604863d25302d35015ad3aef2c425b0a8a14074a952de745ff55b57b2f0471e4fae1a223

                • memory/1112-31-0x00000000020B0000-0x00000000020B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2504-80-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2504-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2504-3-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2504-7-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2504-13-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2504-58-0x00000000003B0000-0x00000000003C2000-memory.dmp

                  Filesize

                  72KB

                • memory/2504-71-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2504-5-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2504-37-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2504-38-0x0000000000370000-0x0000000000371000-memory.dmp

                  Filesize

                  4KB

                • memory/2504-39-0x0000000000370000-0x0000000000371000-memory.dmp

                  Filesize

                  4KB

                • memory/2504-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2504-40-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2504-49-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2528-23-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-17-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-14-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2528-18-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-19-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2528-47-0x0000000000520000-0x0000000000521000-memory.dmp

                  Filesize

                  4KB

                • memory/2528-20-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-25-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-22-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-24-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-21-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-60-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-61-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-62-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-64-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-63-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-66-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-67-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2528-154-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2528-15-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-82-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-83-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-86-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-87-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2528-155-0x0000000000640000-0x00000000016FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2788-59-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2788-106-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2788-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2788-99-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2788-133-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2788-159-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2824-107-0x0000000000270000-0x0000000000271000-memory.dmp

                  Filesize

                  4KB

                • memory/2824-109-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2824-81-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2824-108-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2824-171-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2824-210-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2824-209-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB