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Analysis

  • max time kernel
    134s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2024, 04:23

General

  • Target

    ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe

  • Size

    691KB

  • MD5

    cd0e4ac274a929010fed125c319c3e69

  • SHA1

    cc530ce42f9b3024cf491eef61dfbf4dcd905176

  • SHA256

    ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f

  • SHA512

    b5fd740e1ceff2a6d999f5e6fb0ac89fc74ce61aa58eae5526ede9ab0001eeecc26ef1ad80d6e501a4121b4e5a2cacd19d7e52488b895b283c26cd1d94ea4c18

  • SSDEEP

    12288:qTfdqmnKE2pb57I+xdvCss0BW9T3PG6dWHb:qv2t5s+qj049DGAW7

Malware Config

Extracted

Family

xworm

Version

3.1

C2

pkaraven.duckdns.org:9387

Mutex

AXupjNCu673XjSaT

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe
    "C:\Users\Admin\AppData\Local\Temp\ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4980
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uuWsHcHRt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3348
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uuWsHcHRt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE30D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:856
    • C:\Users\Admin\AppData\Local\Temp\ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe
      "C:\Users\Admin\AppData\Local\Temp\ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3284
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:684
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    da796fbc91291bdcb9e416575e95a6ae

    SHA1

    21a86664b6c5689688a615e24811f3e70c3576fe

    SHA256

    a3e3470fe4a8cbee3ae624afd822aeac33c85bb0a1b1ffbbe10d2166e7541c0f

    SHA512

    6bd74267b1745e21272a8d8d355ddc1f4826f230ce69fa1e2e02924c6bc3aa0c1e9043834572d47dd1f9729f18f3b5ebf9570e522f46345ca224dc740c9e01c0

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

    Filesize

    18KB

    MD5

    1652cd474ca17640931dbae9dc774ab5

    SHA1

    5f02062346e6544ee990401c829f22d420d8a08d

    SHA256

    dd1cc81e07f8ab05dce42b50e160f3f4aab46d4ddac35cf09aa7ab244933c94a

    SHA512

    fce76d09ed6c7b367a496ba1f3264542db0eef080e861ae2d1d2ee67711b534374a439ccdb70689f6d484e6cbad8b02ca95bbfb75eef099712312d450e8a1fc1

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

    Filesize

    18KB

    MD5

    a15ef7daeaeb24767eb28736d980f155

    SHA1

    7bdc1e142cfa5452446630699a915516db734c2d

    SHA256

    10c0dc0cd36a82518cc1311373f3e5b59b1cce23cba6b540670120e16f2c0d7f

    SHA512

    4f276bea1211772e8dc4db471ae957b49e203b5b72db7c8de18731b620778948b4ed06181adedf090dd04f0376cdbd5418f3b62c7c3cfcc6f5f260aaaba2f4d3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_phwsciee.apc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE30D.tmp

    Filesize

    1KB

    MD5

    d89772df602533b4de5ed8d09fbe4284

    SHA1

    37c8118c6e39f38a0322b09bbf527773d09357fc

    SHA256

    30523c3521f25c69877162500e20251b42a354336866013676fff23b8d6e921d

    SHA512

    ff9f8a49d95e28dc137e0845294bccd0cb51cc63c782a5824a8dc427de42c761e47450d6792aa54f98ed2dd2c7b4b6e61631d1eff26daf46df2221fadb92fcc2

  • C:\Users\Admin\AppData\Roaming\ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f.exe

    Filesize

    691KB

    MD5

    cd0e4ac274a929010fed125c319c3e69

    SHA1

    cc530ce42f9b3024cf491eef61dfbf4dcd905176

    SHA256

    ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f

    SHA512

    b5fd740e1ceff2a6d999f5e6fb0ac89fc74ce61aa58eae5526ede9ab0001eeecc26ef1ad80d6e501a4121b4e5a2cacd19d7e52488b895b283c26cd1d94ea4c18

  • memory/684-123-0x00000000057C0000-0x0000000005B14000-memory.dmp

    Filesize

    3.3MB

  • memory/684-125-0x0000000006220000-0x000000000626C000-memory.dmp

    Filesize

    304KB

  • memory/684-126-0x0000000070740000-0x000000007078C000-memory.dmp

    Filesize

    304KB

  • memory/916-9-0x0000000005F20000-0x0000000005F3C000-memory.dmp

    Filesize

    112KB

  • memory/916-4-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

    Filesize

    40KB

  • memory/916-1-0x0000000000FF0000-0x00000000010A2000-memory.dmp

    Filesize

    712KB

  • memory/916-0-0x00000000750FE000-0x00000000750FF000-memory.dmp

    Filesize

    4KB

  • memory/916-2-0x0000000006080000-0x0000000006624000-memory.dmp

    Filesize

    5.6MB

  • memory/916-10-0x0000000003470000-0x00000000034C0000-memory.dmp

    Filesize

    320KB

  • memory/916-8-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/916-3-0x0000000005AD0000-0x0000000005B62000-memory.dmp

    Filesize

    584KB

  • memory/916-7-0x00000000750FE000-0x00000000750FF000-memory.dmp

    Filesize

    4KB

  • memory/916-46-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/916-6-0x0000000005D80000-0x0000000005E1C000-memory.dmp

    Filesize

    624KB

  • memory/916-5-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1120-25-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3284-99-0x0000000006210000-0x000000000625C000-memory.dmp

    Filesize

    304KB

  • memory/3284-110-0x0000000007010000-0x00000000070B3000-memory.dmp

    Filesize

    652KB

  • memory/3284-97-0x0000000005950000-0x0000000005CA4000-memory.dmp

    Filesize

    3.3MB

  • memory/3284-100-0x0000000070730000-0x000000007077C000-memory.dmp

    Filesize

    304KB

  • memory/3284-112-0x0000000007330000-0x0000000007344000-memory.dmp

    Filesize

    80KB

  • memory/3284-111-0x0000000007300000-0x0000000007311000-memory.dmp

    Filesize

    68KB

  • memory/3348-62-0x0000000075980000-0x00000000759CC000-memory.dmp

    Filesize

    304KB

  • memory/3348-24-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-19-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-47-0x0000000006920000-0x000000000693E000-memory.dmp

    Filesize

    120KB

  • memory/3348-80-0x0000000007F60000-0x0000000007F68000-memory.dmp

    Filesize

    32KB

  • memory/3348-75-0x0000000007EC0000-0x0000000007F56000-memory.dmp

    Filesize

    600KB

  • memory/3348-76-0x0000000007E40000-0x0000000007E51000-memory.dmp

    Filesize

    68KB

  • memory/3348-86-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-146-0x0000000005B70000-0x0000000005EC4000-memory.dmp

    Filesize

    3.3MB

  • memory/4288-148-0x0000000070740000-0x000000007078C000-memory.dmp

    Filesize

    304KB

  • memory/4980-16-0x0000000005920000-0x0000000005F48000-memory.dmp

    Filesize

    6.2MB

  • memory/4980-79-0x0000000007C50000-0x0000000007C6A000-memory.dmp

    Filesize

    104KB

  • memory/4980-78-0x0000000007B50000-0x0000000007B64000-memory.dmp

    Filesize

    80KB

  • memory/4980-85-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-77-0x0000000007B40000-0x0000000007B4E000-memory.dmp

    Filesize

    56KB

  • memory/4980-74-0x0000000007980000-0x000000000798A000-memory.dmp

    Filesize

    40KB

  • memory/4980-73-0x0000000007910000-0x000000000792A000-memory.dmp

    Filesize

    104KB

  • memory/4980-72-0x0000000007F60000-0x00000000085DA000-memory.dmp

    Filesize

    6.5MB

  • memory/4980-50-0x0000000075980000-0x00000000759CC000-memory.dmp

    Filesize

    304KB

  • memory/4980-60-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

    Filesize

    120KB

  • memory/4980-61-0x0000000007820000-0x00000000078C3000-memory.dmp

    Filesize

    652KB

  • memory/4980-49-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

    Filesize

    200KB

  • memory/4980-48-0x0000000006680000-0x00000000066CC000-memory.dmp

    Filesize

    304KB

  • memory/4980-21-0x0000000005630000-0x0000000005652000-memory.dmp

    Filesize

    136KB

  • memory/4980-26-0x0000000006030000-0x0000000006384000-memory.dmp

    Filesize

    3.3MB

  • memory/4980-22-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/4980-23-0x0000000005FC0000-0x0000000006026000-memory.dmp

    Filesize

    408KB

  • memory/4980-18-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-17-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-15-0x0000000002D20000-0x0000000002D56000-memory.dmp

    Filesize

    216KB