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02-08-2024 12:16

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02-08-2024 12:15

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02-08-2024 12:14

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02-08-2024 12:06

240802-n97ays1dpa 10

01-08-2024 01:57

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Analysis

  • max time kernel
    147s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 01:57

General

  • Target

    1/3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

  • Size

    487KB

  • MD5

    f451292bbe0b4c16d244c251105de16a

  • SHA1

    a527d277ccc25ad97ae64fb76767f1e2cda66ff2

  • SHA256

    3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a

  • SHA512

    d53a9cd31a3a98eb88af0c5454007adf8c897db53b6518a9f0c019af0bdcb906bf9fbca616b5ee03d7adfa397a16af06bbfbbbf36d15b89fdf3b96fb79fd439a

  • SSDEEP

    6144:MNDD+bHpEiGXQ4rnc+UI73whSk7MIhWI3tf5Jx/R7ZCe7w4uoVLdaPYZHuW31bZ+:MNncp0jUI73F0DhHbbzCMwI11b

Malware Config

Extracted

Family

xworm

C2

schools-copper.gl.at.ply.gg:14154

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

  • telegram

    https://api.telegram.org/bot6887301557:AAE2e7AcjyzPeaHQb_2XBthrT3TTCKt7jCs/sendMessage?chat_id=7045481276

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe
    "C:\Users\Admin\AppData\Local\Temp\1\3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\1\3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2016
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:116
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3356
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4860
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\svchost.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1688
  • C:\Users\Admin\svchost.exe
    C:\Users\Admin\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2044
  • C:\Users\Admin\svchost.exe
    C:\Users\Admin\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    6d42b6da621e8df5674e26b799c8e2aa

    SHA1

    ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

    SHA256

    5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

    SHA512

    53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    8318a79f61379ba97c0ed299d2fb3fba

    SHA1

    e251411b4fcc3bf323f599566f8dd0a146c99d2a

    SHA256

    70dc2fdf563c67c9e5175b93ebac526958d76bb1bc9c1dbc351ef96dc345aad9

    SHA512

    21a8689546949684e8923e041c1e192c0731f8a4d552055c07bcd8b82fa0b93200ea9b7aa7961d2b7802c99132fc67cb82b054aaec7d605b0b806679079ff539

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    110b59ca4d00786d0bde151d21865049

    SHA1

    557e730d93fdf944a0cad874022df1895fb5b2e2

    SHA256

    77f69011c214ea5a01fd2035d781914c4893aee66d784deadc22179eadfdf77f

    SHA512

    cb55ac6eca50f4427718bace861679c88b2fdfea94d30209e8d61ca73a6ce9f8c4b5334922d2660a829b0636d20cbdf3bae1497c920e604efe6c636019feb10e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ktyvc1ww.4wm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\svchost.exe

    Filesize

    487KB

    MD5

    f451292bbe0b4c16d244c251105de16a

    SHA1

    a527d277ccc25ad97ae64fb76767f1e2cda66ff2

    SHA256

    3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a

    SHA512

    d53a9cd31a3a98eb88af0c5454007adf8c897db53b6518a9f0c019af0bdcb906bf9fbca616b5ee03d7adfa397a16af06bbfbbbf36d15b89fdf3b96fb79fd439a

  • memory/1980-1-0x0000000000B60000-0x0000000000BDE000-memory.dmp

    Filesize

    504KB

  • memory/1980-2-0x00007FFC3E070000-0x00007FFC3EB31000-memory.dmp

    Filesize

    10.8MB

  • memory/1980-0-0x00007FFC3E073000-0x00007FFC3E075000-memory.dmp

    Filesize

    8KB

  • memory/1980-58-0x00007FFC3E070000-0x00007FFC3EB31000-memory.dmp

    Filesize

    10.8MB

  • memory/1980-57-0x00007FFC3E073000-0x00007FFC3E075000-memory.dmp

    Filesize

    8KB

  • memory/2016-4-0x00007FFC3E070000-0x00007FFC3EB31000-memory.dmp

    Filesize

    10.8MB

  • memory/2016-18-0x00007FFC3E070000-0x00007FFC3EB31000-memory.dmp

    Filesize

    10.8MB

  • memory/2016-10-0x000001DD5AF10000-0x000001DD5AF32000-memory.dmp

    Filesize

    136KB

  • memory/2016-11-0x00007FFC3E070000-0x00007FFC3EB31000-memory.dmp

    Filesize

    10.8MB

  • memory/2016-3-0x00007FFC3E070000-0x00007FFC3EB31000-memory.dmp

    Filesize

    10.8MB