Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2024 17:00

General

  • Target

    2024-06-30_a5e533b76eaf9ba13d43b1ea6403a48c_bkransomware_icedid.exe

  • Size

    786KB

  • MD5

    a5e533b76eaf9ba13d43b1ea6403a48c

  • SHA1

    8d15333bc68755a56c77048b7cd1c82fd77c8667

  • SHA256

    184ed3a1261abbb94e11431e3938f79fd8943841120ed608cbee98938e18667d

  • SHA512

    12ad7d16b5463a7dc3b390b6cb58721c16a61d1e27c5e06fb36e20231b49d1d9bad0b9eae4a705bc4c6e82f81b977952653588941ecbcbbaf7ef500d681a95b3

  • SSDEEP

    12288:+KQeX4+gJq5A6pe776wioj78+g4gOn27vQUQTnLUoN:JDhgr6M1jgLOXpjAQ

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 29 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Users\Admin\AppData\Local\Temp\2024-06-30_a5e533b76eaf9ba13d43b1ea6403a48c_bkransomware_icedid.exe
            "C:\Users\Admin\AppData\Local\Temp\2024-06-30_a5e533b76eaf9ba13d43b1ea6403a48c_bkransomware_icedid.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2208
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1808

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Persistence

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Privilege Escalation

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Defense Evasion

          Modify Registry

          5
          T1112

          Impair Defenses

          4
          T1562

          Disable or Modify Tools

          3
          T1562.001

          Disable or Modify System Firewall

          1
          T1562.004

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Discovery

          System Information Discovery

          2
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1100-12-0x0000000000180000-0x0000000000182000-memory.dmp
            Filesize

            8KB

          • memory/2208-28-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-10-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-27-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-0-0x0000000000400000-0x00000000004C7000-memory.dmp
            Filesize

            796KB

          • memory/2208-25-0x0000000001DF0000-0x0000000001DF2000-memory.dmp
            Filesize

            8KB

          • memory/2208-24-0x0000000001DF0000-0x0000000001DF2000-memory.dmp
            Filesize

            8KB

          • memory/2208-23-0x0000000001E00000-0x0000000001E01000-memory.dmp
            Filesize

            4KB

          • memory/2208-21-0x0000000001E00000-0x0000000001E01000-memory.dmp
            Filesize

            4KB

          • memory/2208-20-0x0000000001DF0000-0x0000000001DF2000-memory.dmp
            Filesize

            8KB

          • memory/2208-7-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-11-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-6-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-5-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-8-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-3-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-26-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-9-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-29-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-4-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-30-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-32-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-33-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-34-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-36-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-38-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-46-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-49-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-50-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-52-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-54-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-56-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-63-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-65-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-67-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-69-0x0000000001F50000-0x0000000002FDE000-memory.dmp
            Filesize

            16.6MB

          • memory/2208-79-0x0000000001DF0000-0x0000000001DF2000-memory.dmp
            Filesize

            8KB