Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2024, 01:04

General

  • Target

    ce0a87e2879c1f4e02e8b06ee1309f11549667638e55d1d03bc25d1e44deccb0.dll

  • Size

    120KB

  • MD5

    b86a007c035e3ad11199eb468a00edce

  • SHA1

    6005f1ddb69f1e217da7b00054645106a34892e6

  • SHA256

    ce0a87e2879c1f4e02e8b06ee1309f11549667638e55d1d03bc25d1e44deccb0

  • SHA512

    983550c79ceb07806f9aa514524d1ada55f682f353e4e5e5d8bcc580ca1aca5155753f33747af533c3361532fe36a4283c732b41fcc3a0f9fa2eaaf4ac9e7ad0

  • SSDEEP

    1536:L1Imz1Rr6VuZhpbUfKdlK7gkg1wX8zEJZNopfaA37H1xYeuPDXqjGiB1bkmx/zDD:LXjhdU97H8zEJbWL1x+b3iB1DDeQ9dp

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 2 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

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

  • 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.

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1240
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce0a87e2879c1f4e02e8b06ee1309f11549667638e55d1d03bc25d1e44deccb0.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2256
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce0a87e2879c1f4e02e8b06ee1309f11549667638e55d1d03bc25d1e44deccb0.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2492
              • C:\Users\Admin\AppData\Local\Temp\f76565a.exe
                C:\Users\Admin\AppData\Local\Temp\f76565a.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2000
              • C:\Users\Admin\AppData\Local\Temp\f765de8.exe
                C:\Users\Admin\AppData\Local\Temp\f765de8.exe
                4⤵
                • Executes dropped EXE
                PID:2908
              • C:\Users\Admin\AppData\Local\Temp\f76712a.exe
                C:\Users\Admin\AppData\Local\Temp\f76712a.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1988
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1964

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  2298f5ce98d5fb49779eb59f3b055873

                  SHA1

                  7527e04db67c58017b8c4f010e664b178a0ea056

                  SHA256

                  d664dec80bd33670f868f053c40a53c0a7d31430d3320712ec44bf37bb4c289c

                  SHA512

                  80e0adb5ad0f2f49c4d1ed983aebfdad9ab404e24c654adfbcc799b649f03ce8a7db3ba78b25d992a8a09f35135cf14ccbd725943afe9188f61f9d910b056287

                • \Users\Admin\AppData\Local\Temp\f76565a.exe

                  Filesize

                  97KB

                  MD5

                  4191c151dbc7059a836b683a56b1ceac

                  SHA1

                  a3f9a05375cc906c33ec0af5ba0ad080836effcc

                  SHA256

                  813844c14004a6bb8b66c8ce27545ca5bf45ef3596d6a9e84b7b9cdf82012f4f

                  SHA512

                  c425d9dc2715c06355065eb192690fdc1b6874bee65beddfee3f1c6401497ebb85669f591830c459632b603d6f47705e98dc03ef4c2c1d7392c20f2fc28db1bb

                • memory/1120-17-0x0000000001C80000-0x0000000001C82000-memory.dmp

                  Filesize

                  8KB

                • memory/1988-79-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1988-185-0x0000000000930000-0x00000000019EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1988-184-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1988-147-0x0000000000930000-0x00000000019EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1988-103-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/1988-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2000-87-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-26-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-11-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2000-13-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-29-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-142-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-143-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2000-37-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-119-0x0000000003A40000-0x0000000003A42000-memory.dmp

                  Filesize

                  8KB

                • memory/2000-105-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-55-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

                  Filesize

                  4KB

                • memory/2000-48-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-61-0x0000000003A40000-0x0000000003A42000-memory.dmp

                  Filesize

                  8KB

                • memory/2000-60-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-65-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-81-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-82-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-83-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2000-85-0x00000000005F0000-0x00000000016AA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2492-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2492-31-0x00000000001B0000-0x00000000001B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2492-9-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2492-74-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2492-77-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2492-10-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2492-30-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2492-33-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2492-49-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2492-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2908-51-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2908-141-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2908-96-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2908-97-0x0000000000230000-0x0000000000231000-memory.dmp

                  Filesize

                  4KB

                • memory/2908-98-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB