Overview

overview

8

Static

static

citadel_0....ir.exe

windows7_x64

8

citadel_0....ir.exe

windows10_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19-07-2020 17:31

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    citadel_0.0.1.1.vir.exe

  • Size

    544KB

  • MD5

    fb340f7a5dbb81b63198d0637b94fa13

  • SHA1

    c73fec0e884dd8c0605257adcec1ab1153175455

  • SHA256

    76494ca680d605eca75201ecf6c87bf1c6070c640e95bf3acfd633ac529a8487

  • SHA512

    b8686134589b689f1866506b2d5da01eb2621aa20257ae229300897d15de5e1beaf1b69e120368371e8e124e3da044c2af82056255274f42e0fa4c28fd2dee27

Score
8/10
persistence

Malware Config

Signatures

  • Loads dropped DLL 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1414 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Suspicious use of WriteProcessMemory 51 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1172
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1252
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1304
          • C:\Users\Admin\AppData\Local\Temp\citadel_0.0.1.1.vir.exe
            "C:\Users\Admin\AppData\Local\Temp\citadel_0.0.1.1.vir.exe"
            2⤵
            • Suspicious use of WriteProcessMemory
            • Suspicious use of SetThreadContext
            PID:1124
            • C:\Users\Admin\AppData\Local\Temp\citadel_0.0.1.1.vir.exe
              "C:\Users\Admin\AppData\Local\Temp\citadel_0.0.1.1.vir.exe"
              3⤵
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • Suspicious behavior: EnumeratesProcesses
              PID:1292
              • C:\Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe
                "C:\Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe"
                4⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                • Suspicious use of SetThreadContext
                PID:1596
                • C:\Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe
                  "C:\Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe"
                  5⤵
                  • Loads dropped DLL
                  • Suspicious use of AdjustPrivilegeToken
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Suspicious use of WriteProcessMemory
                  • Suspicious behavior: EnumeratesProcesses
                  PID:796
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp87608838.bat"
                4⤵
                • Deletes itself
                PID:1112
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1792
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:1548

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Initial Access

            Execution

            Persistence

            Registry Run Keys / Startup Folder

            1
            T1060

            Privilege Escalation

            Defense Evasion

            Modify Registry

            1
            T1112

            Credential Access

            Discovery

            Lateral Movement

            Collection

            Exfiltration

            Command and Control

            Impact

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp87608838.bat
              Download Submit
            • C:\Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe
              Download Submit
            • C:\Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe
              Download Submit
            • C:\Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe
              Download Submit
            • \Users\Admin\AppData\Local\Temp\tmpD58.tmp
              Download Submit
            • \Users\Admin\AppData\Local\Temp\tmpD69.tmp
              Download Submit
            • \Users\Admin\AppData\Local\Temp\tmpFEA8.tmp
              Download Submit
            • \Users\Admin\AppData\Local\Temp\tmpFEC9.tmp
              Download Submit
            • \Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe
              Download Submit
            • \Users\Admin\AppData\Roaming\Yztizuzy\vevutewu.exe
              Download Submit
            • memory/796-11-0x000000000043F4D4-mapping.dmp
              Download
            • memory/1112-14-0x0000000000000000-mapping.dmp
              Download
            • memory/1292-0-0x0000000000400000-0x0000000000447000-memory.dmp
              Filesize

              284KB

              Download
            • memory/1292-2-0x0000000000400000-0x0000000000447000-memory.dmp
              Filesize

              284KB

              Download
            • memory/1292-1-0x000000000043F4D4-mapping.dmp
              Download
            • memory/1596-7-0x0000000000000000-mapping.dmp
              Download