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Analysis

  • max time kernel
    124s
  • max time network
    141s
  • 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, 04:20

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 16 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:1084
    • 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:1500
    • 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:2564
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uuWsHcHRt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39D8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2900
    • 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:4920
      • 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:2980
      • 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:4496
      • 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:4768

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

    47cb1a2d5cbef51ae9a951a8eff3f2e8

    SHA1

    0f4499bae0af3dab794a2d1aceb97b0c56762e3f

    SHA256

    6bbc4fab0c5735eb08648ccb06779a337575b456707ac834a0b07449391d30e3

    SHA512

    720bc26c955e86b1304a97269693676821bac7961504fe43dd150203ab838fa22791f44ad5a6c5dd28f59d3d34582e4d05f14918fbe5613d70cd05511d2ddf55

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

    Filesize

    18KB

    MD5

    d7c5d3dc12f710da1f9fd99974241cca

    SHA1

    48acce1d9320b3c696dd42995e682f5fc6f16b85

    SHA256

    843dd6b050d33b67fa7df7982d957d24b652e5f18f7b57e0364a2af3a5dd3ed4

    SHA512

    81c2b84981b671c54faea80538df4cc6548031fe9e57f28309b6d66b0a78bda4ca39298da1e0d5aa421e428e2400b857cf4bcbbfe5a90443b850a0adc64a9fcf

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

    Filesize

    18KB

    MD5

    884dc65be7953de4e57568ce0498c4a9

    SHA1

    8f6d04227da183b22c1fcd59d2730847ee1e8ee0

    SHA256

    d61b277a16305f987d229e6f694247d214d53df2c31c62bccbe6a745b38efb06

    SHA512

    f9892bc80d54e26274ffe0d963445fe23109616a30ecd33217e6ace07247231673d968af280f72a6ea616044723d03a687da74d7dd06cb08b872c88a40d29694

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nyxzjq0j.hm0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp39D8.tmp

    Filesize

    1KB

    MD5

    2a028d175efbc2468c1f09e67865e50e

    SHA1

    b8ab119055db6df03d7e1665b8b39a0a12f74eb7

    SHA256

    e1a1e48ca771f9b839adba15a0b0b7c1832e7f73d70be9c8ef357e9d4cd193df

    SHA512

    bf137b04ad881332c85f516d4c19a459656060ab635a310c0ec230d990abf065170b1a0c45fc35b44aa2e1280334d4f9770d02bbb7636bb9ea0cbad860e5d1cc

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

    Filesize

    691KB

    MD5

    cd0e4ac274a929010fed125c319c3e69

    SHA1

    cc530ce42f9b3024cf491eef61dfbf4dcd905176

    SHA256

    ff58fce3cca0cbcb18d3be37f8bbb6fd507d84723de229fb1522b84ff029170f

    SHA512

    b5fd740e1ceff2a6d999f5e6fb0ac89fc74ce61aa58eae5526ede9ab0001eeecc26ef1ad80d6e501a4121b4e5a2cacd19d7e52488b895b283c26cd1d94ea4c18

  • memory/1084-4-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1084-8-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1084-9-0x0000000005480000-0x000000000549C000-memory.dmp

    Filesize

    112KB

  • memory/1084-10-0x0000000004A00000-0x0000000004A50000-memory.dmp

    Filesize

    320KB

  • memory/1084-7-0x00000000752CE000-0x00000000752CF000-memory.dmp

    Filesize

    4KB

  • memory/1084-6-0x00000000052E0000-0x000000000537C000-memory.dmp

    Filesize

    624KB

  • memory/1084-5-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

    Filesize

    40KB

  • memory/1084-3-0x0000000005060000-0x00000000050F2000-memory.dmp

    Filesize

    584KB

  • memory/1084-2-0x0000000005570000-0x0000000005B14000-memory.dmp

    Filesize

    5.6MB

  • memory/1084-1-0x0000000000530000-0x00000000005E2000-memory.dmp

    Filesize

    712KB

  • memory/1084-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

    Filesize

    4KB

  • memory/1084-48-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-82-0x0000000007EE0000-0x0000000007EE8000-memory.dmp

    Filesize

    32KB

  • memory/1500-77-0x0000000007E40000-0x0000000007ED6000-memory.dmp

    Filesize

    600KB

  • memory/1500-26-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-15-0x0000000002F90000-0x0000000002FC6000-memory.dmp

    Filesize

    216KB

  • memory/1500-16-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-21-0x00000000058F0000-0x0000000005912000-memory.dmp

    Filesize

    136KB

  • memory/1500-17-0x0000000005C10000-0x0000000006238000-memory.dmp

    Filesize

    6.2MB

  • memory/1500-22-0x0000000005A10000-0x0000000005A76000-memory.dmp

    Filesize

    408KB

  • memory/1500-88-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-18-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-23-0x00000000062B0000-0x0000000006316000-memory.dmp

    Filesize

    408KB

  • memory/1500-62-0x0000000075B70000-0x0000000075BBC000-memory.dmp

    Filesize

    304KB

  • memory/1500-80-0x0000000007E00000-0x0000000007E14000-memory.dmp

    Filesize

    80KB

  • memory/1500-79-0x0000000007DF0000-0x0000000007DFE000-memory.dmp

    Filesize

    56KB

  • memory/1500-78-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

    Filesize

    68KB

  • memory/2564-51-0x0000000006DD0000-0x0000000006E02000-memory.dmp

    Filesize

    200KB

  • memory/2564-81-0x0000000007E80000-0x0000000007E9A000-memory.dmp

    Filesize

    104KB

  • memory/2564-76-0x0000000007BB0000-0x0000000007BBA000-memory.dmp

    Filesize

    40KB

  • memory/2564-75-0x0000000007930000-0x000000000794A000-memory.dmp

    Filesize

    104KB

  • memory/2564-73-0x0000000007800000-0x00000000078A3000-memory.dmp

    Filesize

    652KB

  • memory/2564-52-0x0000000075B70000-0x0000000075BBC000-memory.dmp

    Filesize

    304KB

  • memory/2564-68-0x0000000006DB0000-0x0000000006DCE000-memory.dmp

    Filesize

    120KB

  • memory/2564-32-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2564-24-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2564-19-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2564-50-0x00000000068E0000-0x000000000692C000-memory.dmp

    Filesize

    304KB

  • memory/2564-89-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2564-49-0x0000000006810000-0x000000000682E000-memory.dmp

    Filesize

    120KB

  • memory/2564-74-0x0000000008230000-0x00000000088AA000-memory.dmp

    Filesize

    6.5MB

  • memory/2564-25-0x00000000061E0000-0x0000000006534000-memory.dmp

    Filesize

    3.3MB

  • memory/2980-99-0x0000000005950000-0x0000000005CA4000-memory.dmp

    Filesize

    3.3MB

  • memory/2980-112-0x0000000007090000-0x0000000007133000-memory.dmp

    Filesize

    652KB

  • memory/2980-113-0x0000000007570000-0x0000000007581000-memory.dmp

    Filesize

    68KB

  • memory/2980-114-0x00000000075C0000-0x00000000075D4000-memory.dmp

    Filesize

    80KB

  • memory/2980-102-0x00000000721C0000-0x000000007220C000-memory.dmp

    Filesize

    304KB

  • memory/2980-101-0x00000000060A0000-0x00000000060EC000-memory.dmp

    Filesize

    304KB

  • memory/4496-126-0x00000000721C0000-0x000000007220C000-memory.dmp

    Filesize

    304KB

  • memory/4768-146-0x0000000006160000-0x00000000064B4000-memory.dmp

    Filesize

    3.3MB

  • memory/4768-148-0x00000000721C0000-0x000000007220C000-memory.dmp

    Filesize

    304KB

  • memory/4920-46-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB