Analysis

  • max time kernel
    132s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 03:10

General

  • Target

    edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

  • Size

    528KB

  • MD5

    046dc61545c4ca911c25cfc844b3b00c

  • SHA1

    671cda72944c3920edb83520eb5d2317af0c60cb

  • SHA256

    edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

  • SHA512

    c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

  • SSDEEP

    12288:5hU2ft8hWSxwvzeA5ScGZshgwnmnmalFYCJVM:bHfuWSxWRGgLmnmaQCJV

Malware Config

Extracted

Family

xworm

Version

3.1

C2

pkaraven.duckdns.org:9387

Mutex

PN8dWiUH0oIhIHhD

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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
    "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.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:3280
    • 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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UAfIsZeb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3620
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UAfIsZeb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE36B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2128
    • C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
      "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.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:2668
      • 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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1132
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2744
      • 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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4100

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

    84e0cd5a4c7fa284d51e772bee93b6b6

    SHA1

    a3156de52f887892cdca39bf9b31dc2fd194b38b

    SHA256

    0c7e43ccb92a5d373a9df6baaccfda0fec7b9424979433d407e54731cba6e9bc

    SHA512

    7c143821a19027c16f5103dd2b3c0813f8f4ec84645d726f13f72226366e242834779a928539bdee1325cae259380e8d07d2866118007efb79aae02dc27e6a56

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

    Filesize

    18KB

    MD5

    5075dbe22be9212339cfa0c2428b497b

    SHA1

    a28b70b6736f44004713ddacc5772e055a2b57cf

    SHA256

    98ec1f1376a130a88ca011d041a478f83eb872e5bb66eaaf87a58ea81b6e8c79

    SHA512

    6c1c66c09d944e974ed470ce1a54565373c6bafeed3e8660d7fd4a8d6c82d6d5ff758d553d8f402f5690414609e4186d2ab950cd7a7248772da8dcb0f541d458

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

    Filesize

    18KB

    MD5

    2e87c628b5ba945f3d1db0fe1ffe8f67

    SHA1

    9a6ca3f6e627c7cee4c05676955ac89906737bef

    SHA256

    f45f7f972256f1a50f2b171223f0627275ed8912f1547b182b93c3ffdc671776

    SHA512

    c5c47dfe88c398d057579e2e82318c210e172859dcb8168c48d24afb799b0f30f3c95856462b1bacb0c1bfa10f56de1027f45a0782cdc1cc11dd62d8f16dda75

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_afdmzypd.nrv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE36B.tmp

    Filesize

    1KB

    MD5

    f299378327d78c6e779afcf56237b04d

    SHA1

    e259aac1094be4257b344f39b552fd56ef0638e3

    SHA256

    28b8ab5020acde20dedcde8503b8d685b1586726c1567268c325780b7ef3e5e8

    SHA512

    d6747f13cc36943a22a486c5f87c0610a12d2b0c73b7bd4aaadd4f6d7049c190ba4fd5ab2576cc11dbd06d617f8e8c4eaccf8e6b93f8fae12321660c9c81beaf

  • C:\Users\Admin\AppData\Roaming\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

    Filesize

    528KB

    MD5

    046dc61545c4ca911c25cfc844b3b00c

    SHA1

    671cda72944c3920edb83520eb5d2317af0c60cb

    SHA256

    edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

    SHA512

    c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

  • memory/1132-92-0x0000000075250000-0x000000007529C000-memory.dmp

    Filesize

    304KB

  • memory/2668-37-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2744-122-0x00000000061D0000-0x000000000621C000-memory.dmp

    Filesize

    304KB

  • memory/2744-134-0x00000000076D0000-0x00000000076E1000-memory.dmp

    Filesize

    68KB

  • memory/2744-133-0x00000000073D0000-0x0000000007473000-memory.dmp

    Filesize

    652KB

  • memory/2744-123-0x000000006FFB0000-0x000000006FFFC000-memory.dmp

    Filesize

    304KB

  • memory/2744-120-0x0000000005BB0000-0x0000000005F04000-memory.dmp

    Filesize

    3.3MB

  • memory/2744-135-0x0000000007720000-0x0000000007734000-memory.dmp

    Filesize

    80KB

  • memory/3280-10-0x0000000006910000-0x0000000006964000-memory.dmp

    Filesize

    336KB

  • memory/3280-5-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3280-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/3280-1-0x0000000000860000-0x00000000008EA000-memory.dmp

    Filesize

    552KB

  • memory/3280-2-0x00000000059A0000-0x0000000005F44000-memory.dmp

    Filesize

    5.6MB

  • memory/3280-3-0x0000000005300000-0x0000000005392000-memory.dmp

    Filesize

    584KB

  • memory/3280-4-0x0000000005490000-0x000000000552C000-memory.dmp

    Filesize

    624KB

  • memory/3280-9-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3280-48-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3280-8-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/3280-6-0x00000000052F0000-0x00000000052FA000-memory.dmp

    Filesize

    40KB

  • memory/3280-7-0x00000000056E0000-0x00000000056F2000-memory.dmp

    Filesize

    72KB

  • memory/3620-31-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3620-74-0x00000000081F0000-0x000000000886A000-memory.dmp

    Filesize

    6.5MB

  • memory/3620-51-0x0000000007810000-0x0000000007842000-memory.dmp

    Filesize

    200KB

  • memory/3620-91-0x0000000007ED0000-0x0000000007ED8000-memory.dmp

    Filesize

    32KB

  • memory/3620-71-0x0000000007850000-0x000000000786E000-memory.dmp

    Filesize

    120KB

  • memory/3620-52-0x0000000075250000-0x000000007529C000-memory.dmp

    Filesize

    304KB

  • memory/3620-30-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3620-75-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

    Filesize

    104KB

  • memory/3620-22-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3620-76-0x0000000007C20000-0x0000000007C2A000-memory.dmp

    Filesize

    40KB

  • memory/3620-77-0x0000000007E30000-0x0000000007EC6000-memory.dmp

    Filesize

    600KB

  • memory/3620-104-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3620-88-0x0000000007DE0000-0x0000000007DEE000-memory.dmp

    Filesize

    56KB

  • memory/4100-148-0x000000006FFB0000-0x000000006FFFC000-memory.dmp

    Filesize

    304KB

  • memory/4100-142-0x0000000005440000-0x0000000005794000-memory.dmp

    Filesize

    3.3MB

  • memory/4220-17-0x0000000005390000-0x00000000059B8000-memory.dmp

    Filesize

    6.2MB

  • memory/4220-90-0x0000000007880000-0x000000000789A000-memory.dmp

    Filesize

    104KB

  • memory/4220-89-0x0000000007780000-0x0000000007794000-memory.dmp

    Filesize

    80KB

  • memory/4220-78-0x0000000007740000-0x0000000007751000-memory.dmp

    Filesize

    68KB

  • memory/4220-73-0x0000000007230000-0x00000000072D3000-memory.dmp

    Filesize

    652KB

  • memory/4220-108-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-62-0x0000000075250000-0x000000007529C000-memory.dmp

    Filesize

    304KB

  • memory/4220-50-0x0000000006680000-0x00000000066CC000-memory.dmp

    Filesize

    304KB

  • memory/4220-49-0x0000000006200000-0x000000000621E000-memory.dmp

    Filesize

    120KB

  • memory/4220-21-0x0000000005A80000-0x0000000005AA2000-memory.dmp

    Filesize

    136KB

  • memory/4220-23-0x0000000005B20000-0x0000000005B86000-memory.dmp

    Filesize

    408KB

  • memory/4220-36-0x0000000005C70000-0x0000000005FC4000-memory.dmp

    Filesize

    3.3MB

  • memory/4220-25-0x0000000005C00000-0x0000000005C66000-memory.dmp

    Filesize

    408KB

  • memory/4220-19-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-18-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-16-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4220-15-0x00000000028F0000-0x0000000002926000-memory.dmp

    Filesize

    216KB