Analysis

  • max time kernel
    27s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2025 03:22

General

  • Target

    6539a25f2cba82aa95a0326686cc6406d5893e0977af48d008d8819f5a419da8.dll

  • Size

    120KB

  • MD5

    6265f303eb2f71ca07ba209457fe950c

  • SHA1

    1fe7550e9376b1add7b580bbedce99b751cbb0d1

  • SHA256

    6539a25f2cba82aa95a0326686cc6406d5893e0977af48d008d8819f5a419da8

  • SHA512

    9cc4132540f127255c5bf761979abdf0f500c73f500276f009e13041dfcbd7b009680bcac8e25c809bbe53f5b9c73715c7e56adb0372cd140ec1f5002f8ca7ef

  • SSDEEP

    1536:8o3zMNia+Svj2Itq7w/ZOavEVLW2i5ahwLQIFVf9mOBfaBA4a1/q7sVqZD:9jMNiaYInZOavE9thikwD4a1/dV4

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 10 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1220
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1268
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6539a25f2cba82aa95a0326686cc6406d5893e0977af48d008d8819f5a419da8.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2604
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6539a25f2cba82aa95a0326686cc6406d5893e0977af48d008d8819f5a419da8.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:952
              • C:\Users\Admin\AppData\Local\Temp\f7877de.exe
                C:\Users\Admin\AppData\Local\Temp\f7877de.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:2168
              • C:\Users\Admin\AppData\Local\Temp\f787b48.exe
                C:\Users\Admin\AppData\Local\Temp\f787b48.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 policy modification
                PID:2784
              • C:\Users\Admin\AppData\Local\Temp\f789203.exe
                C:\Users\Admin\AppData\Local\Temp\f789203.exe
                4⤵
                • Executes dropped EXE
                PID:2672
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1696

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f1882bf6c2abeaf277f521784ad8900a

            SHA1

            0c023f778bf87752e8c305d5c89b327b112146a2

            SHA256

            e024d859bf112017db54dc72f6e9527d09139b2037a97d9604705f535f02ba41

            SHA512

            e1815c129a8b461a9338aa0aed576ee0edb717858958025e0c4b09220dde2ffe3783babc762c9eda73834082af8f7adcbcd66a526ab872383e89941a9ecf94f3

          • \Users\Admin\AppData\Local\Temp\f7877de.exe

            Filesize

            97KB

            MD5

            d678aacf47ccf13a896ed5fa3cadf3c5

            SHA1

            9e8cc8265b6d6c813f11ef481910f79c3c11a3e1

            SHA256

            c0050d51f9861b357d5239111fb462a440a1895e1fd5281ea3b1ad33ad7c3b85

            SHA512

            171f33b128b6b71b2d750ab0a6596b0decd595857cb1a079806b425a37c7bcfbdde71b0c8621ad6deb542f4d22324a6d312b23ff60cfd4769ce06a3b7e76da94

          • memory/952-75-0x0000000000110000-0x0000000000112000-memory.dmp

            Filesize

            8KB

          • memory/952-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/952-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/952-7-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/952-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/952-71-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/952-59-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/952-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/952-39-0x0000000000150000-0x0000000000151000-memory.dmp

            Filesize

            4KB

          • memory/952-38-0x0000000000150000-0x0000000000151000-memory.dmp

            Filesize

            4KB

          • memory/952-37-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/952-58-0x00000000007B0000-0x00000000007C2000-memory.dmp

            Filesize

            72KB

          • memory/952-54-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/1128-30-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2168-62-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-81-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-57-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2168-56-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-47-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2168-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-24-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-45-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2168-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-146-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-77-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-78-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2168-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2168-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2168-100-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-109-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-106-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-104-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-102-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2168-101-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-76-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2672-96-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2672-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-98-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2784-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2784-89-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2784-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2784-122-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2784-155-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2784-157-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-97-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB