Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 15:47

General

  • Target

    de5f208ab702f7a1700773f46399d167.dll

  • Size

    120KB

  • MD5

    de5f208ab702f7a1700773f46399d167

  • SHA1

    8f7cfc096ddea76b41cfa14fc26e69497cd09cff

  • SHA256

    bad5f07fc6f4610fca92310ef9b47a1ac38ade01d24251fcab9855a05bd89d07

  • SHA512

    9e27fba1cdd85cd99d54c7b830bac14a99fcffdf00fde6bf4f7494a2a9dba3f993e02bd8a5108dd6b2985d27915777c1e6827482b53c64c19b849fce5e0a2f91

  • SSDEEP

    1536:rYBsVMnHjqY7B2SlU6UsQWLJYlSDpGFDHcZ1LAPe4KTybRRtimq55jFiwW:esVMnDqYN2IlUTWLkipGF7KL7OpD4kw

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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 23 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 6 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 21 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1208
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1324
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1400
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\de5f208ab702f7a1700773f46399d167.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2356
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\de5f208ab702f7a1700773f46399d167.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2324
              • C:\Users\Admin\AppData\Local\Temp\f7647ca.exe
                C:\Users\Admin\AppData\Local\Temp\f7647ca.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:2088
              • C:\Users\Admin\AppData\Local\Temp\f76513c.exe
                C:\Users\Admin\AppData\Local\Temp\f76513c.exe
                4⤵
                • Executes dropped EXE
                PID:2904
              • C:\Users\Admin\AppData\Local\Temp\f766519.exe
                C:\Users\Admin\AppData\Local\Temp\f766519.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
                • System policy modification
                PID:2264
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1672

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  f829e45fef2ee183081238c93d709e3a

                  SHA1

                  bd6f0ae665070bd64300133d17f50b9a7253226d

                  SHA256

                  6feef4979ef6e2eade5874a33c9482f8ebdc2cea09a9364af5e78ab817d87da9

                  SHA512

                  efc1101e9cd938affff251d173b3a819bfd6d4131be2b46bb92ae5ff6bc1da9e8636b5e7a531e6a9c793837da9452689a119008a4cce8db001385c27d6009e49

                • \Users\Admin\AppData\Local\Temp\f7647ca.exe

                  Filesize

                  97KB

                  MD5

                  a09f6275ba63455daf61f7955b998e5f

                  SHA1

                  a0f42adc3273dc225c89671fa02f25786169f97b

                  SHA256

                  afe8ccdad19c386c0cbbd6556a16af5cdd49ddd13c4919c3bf113d7382e97078

                  SHA512

                  7c15d7e145b28840a275a45f2409960fdc0624bb7d37b6a190f7c2a939c1d6bdd1694aa2e51b2bbb3b69531ead0b3a0bc6e555f7b1c8ee8a3a82db1afe664beb

                • memory/1208-16-0x0000000001E60000-0x0000000001E62000-memory.dmp

                  Filesize

                  8KB

                • memory/2088-58-0x0000000000370000-0x0000000000371000-memory.dmp

                  Filesize

                  4KB

                • memory/2088-11-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2088-12-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-14-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-79-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-15-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-18-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-21-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-78-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-26-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-86-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-133-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-60-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-129-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2088-62-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-61-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-50-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-51-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-53-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-56-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-59-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2088-98-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-81-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-36-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2088-104-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2264-107-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2264-108-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2264-135-0x0000000000920000-0x00000000019DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2264-76-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2264-144-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2264-145-0x0000000000920000-0x00000000019DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2324-46-0x0000000000300000-0x0000000000312000-memory.dmp

                  Filesize

                  72KB

                • memory/2324-28-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2324-10-0x00000000000F0000-0x0000000000102000-memory.dmp

                  Filesize

                  72KB

                • memory/2324-27-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2324-73-0x0000000000300000-0x0000000000312000-memory.dmp

                  Filesize

                  72KB

                • memory/2324-71-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2324-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2324-77-0x00000000000F0000-0x00000000000F6000-memory.dmp

                  Filesize

                  24KB

                • memory/2324-9-0x00000000000F0000-0x0000000000102000-memory.dmp

                  Filesize

                  72KB

                • memory/2324-34-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2324-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2904-132-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2904-48-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2904-95-0x00000000002C0000-0x00000000002C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2904-94-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB