Analysis

  • max time kernel
    29s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 08:55

General

  • Target

    fe5ed133e579b8cfd16a74b660e5396b5f4ed964b68be5c7e3a054d87c434659.dll

  • Size

    120KB

  • MD5

    3b15ee4e15a1c611a2c1bba67ca7e3fa

  • SHA1

    6f99f8998f96eedb794f59f29f15c9f527dd1161

  • SHA256

    fe5ed133e579b8cfd16a74b660e5396b5f4ed964b68be5c7e3a054d87c434659

  • SHA512

    32e4595865eef882f6c572d0198be82106cf30021443af94734d3c698c6027cb7cc00378df5870fd02ba0a6b5bee677e761df72962294821bd738913d1a3b5eb

  • SSDEEP

    3072:GTvyYZhlHEymskuipjlPHdbSpe9Gj+KpYBGh3R:dYZ7Eywuejx92Eo0BGh3R

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 40 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe5ed133e579b8cfd16a74b660e5396b5f4ed964b68be5c7e3a054d87c434659.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe5ed133e579b8cfd16a74b660e5396b5f4ed964b68be5c7e3a054d87c434659.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2340
              • C:\Users\Admin\AppData\Local\Temp\f77e428.exe
                C:\Users\Admin\AppData\Local\Temp\f77e428.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:2264
              • C:\Users\Admin\AppData\Local\Temp\f77e5fc.exe
                C:\Users\Admin\AppData\Local\Temp\f77e5fc.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:2632
              • C:\Users\Admin\AppData\Local\Temp\f780915.exe
                C:\Users\Admin\AppData\Local\Temp\f780915.exe
                4⤵
                • Executes dropped EXE
                PID:3008
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1192

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            40b2853537f960ddff53bf96d3f455a4

            SHA1

            f5504e418a999b9dc3f9c49a2d2fcdba8927bf8c

            SHA256

            ffe2840f58cade5054349591cd5a729d540acf92fb5d150138eb80f6143813e7

            SHA512

            0ba9ca75f9b584abfa34b6e5b4f213e7c047b9f74821fc1034dcf08ae4411c1a43e613f804e8706e3e9f26e0f83b4411dd1006674dd696b777f26dd42987bb16

          • \Users\Admin\AppData\Local\Temp\f77e428.exe

            Filesize

            97KB

            MD5

            d802a14facfab757d2e8c71495b58713

            SHA1

            19ab1b1cc23c24f49f7a432cc1478e0a418699e8

            SHA256

            39d43d79fc4ba233a9a282bc5cddaca29ec7122ba8cfb7e1d391517a751e8a6d

            SHA512

            6553ab17930f94a32dbb713c6f42b9f6e1c034dc91b55b1cd0b395ad62252dcf56ae4c5548769ff74b75115db79779d2d4740045a2521b650e6cdb00f5902f1c

          • memory/1116-27-0x0000000001FE0000-0x0000000001FE2000-memory.dmp

            Filesize

            8KB

          • memory/2264-59-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-149-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-15-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-19-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-16-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-13-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-60-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-61-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2264-21-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-45-0x0000000001870000-0x0000000001871000-memory.dmp

            Filesize

            4KB

          • memory/2264-84-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-57-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2264-83-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-54-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2264-68-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-67-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-18-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-17-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-14-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-20-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-62-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-11-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-66-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-63-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-4-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-35-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/2340-36-0x0000000000360000-0x0000000000361000-memory.dmp

            Filesize

            4KB

          • memory/2340-56-0x0000000000370000-0x0000000000382000-memory.dmp

            Filesize

            72KB

          • memory/2340-58-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/2340-53-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/2340-44-0x0000000000360000-0x0000000000361000-memory.dmp

            Filesize

            4KB

          • memory/2632-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2632-123-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2632-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2632-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2632-171-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-184-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3008-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3008-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3008-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3008-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3008-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB