xworm | f5cad2530c21ab85cf6159d6c621ddcd45de189089b52658f345a8853df86291

Analysis

max time kernel
640s
max time network
639s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 07:29

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General

Target

Packages.exe
Size

65KB
MD5

9f2f801d5f2624439f4b757a67f3fab2
SHA1

0d214685df8605df7ed843d92f8c8be1ba037a55
SHA256

f5cad2530c21ab85cf6159d6c621ddcd45de189089b52658f345a8853df86291
SHA512

7b2aa3f6d5d67d22df8844ce5317310b915c7059e152814a3b8b2fa3e28a027c2c0e349ebe3e043515e59d2df33f40a046b19a65364c82525b12b9bc281a640c
SSDEEP

1536:yho9uTlvBPo4N6Zlbe5rqqMD6UfOLoVuW:yhkCxNo4Nabe5qfOEoW

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Ironthing-22901.portmap.host:22901

field-clark.gl.at.ply.gg:22901

Attributes

Install_directory
%AppData%
install_file
Packages.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral1/memory/3936-1-0x0000000000460000-0x0000000000476000-memory.dmp family_xworm
C:\Users\Admin\AppData\Roaming\Packages.exe family_xworm
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

1416 powershell.exe
560 powershell.exe
3060 powershell.exe
3880 powershell.exe

resource	yara_rule
behavioral1/memory/3936-1-0x0000000000460000-0x0000000000476000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\Packages.exe	family_xworm

pid	process
1416	powershell.exe
560	powershell.exe
3060	powershell.exe
3880	powershell.exe

Drops startup file 2 IoCs

Processes:

Packages.exe

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

Executes dropped EXE 10 IoCs

Processes:

Packages.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exe

pid process

4460 Packages.exe
984 Packages.exe
4796 Packages.exe
4320 Packages.exe
4896 Packages.exe
1404 Packages.exe
3172 Packages.exe
4420 Packages.exe
2300 Packages.exe
1624 Packages.exe

pid	process
4460	Packages.exe
984	Packages.exe
4796	Packages.exe
4320	Packages.exe
4896	Packages.exe
1404	Packages.exe
3172	Packages.exe
4420	Packages.exe
2300	Packages.exe
1624	Packages.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Packages.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2198854727-3842442895-2838824242-1000\Software\Microsoft\Windows\CurrentVersion\Run\Packages = "C:\\Users\\Admin\\AppData\\Roaming\\Packages.exe"	Packages.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.

Processes:

flow ioc

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

System Information Discovery
T1082
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

Processes:

schtasks.exe

pid process

1824 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

1416 powershell.exe
1416 powershell.exe
560 powershell.exe
560 powershell.exe
3060 powershell.exe
3060 powershell.exe
3880 powershell.exe
3880 powershell.exe

flow	ioc
1	ip-api.com

pid	process
1824	schtasks.exe

pid	process
1416	powershell.exe
1416	powershell.exe
560	powershell.exe
560	powershell.exe
3060	powershell.exe
3060	powershell.exe
3880	powershell.exe
3880	powershell.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

Processes:

Packages.exepowershell.exepowershell.exepowershell.exepowershell.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exePackages.exe

description	pid	process
Token: SeDebugPrivilege	3936	Packages.exe
Token: SeDebugPrivilege	1416	powershell.exe
Token: SeDebugPrivilege	560	powershell.exe
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeDebugPrivilege	3880	powershell.exe
Token: SeDebugPrivilege	3936	Packages.exe
Token: SeDebugPrivilege	4460	Packages.exe
Token: SeDebugPrivilege	984	Packages.exe
Token: SeDebugPrivilege	4796	Packages.exe
Token: SeDebugPrivilege	4320	Packages.exe
Token: SeDebugPrivilege	4896	Packages.exe
Token: SeDebugPrivilege	1404	Packages.exe
Token: SeDebugPrivilege	3172	Packages.exe
Token: SeDebugPrivilege	4420	Packages.exe
Token: SeDebugPrivilege	2300	Packages.exe
Token: SeDebugPrivilege	1624	Packages.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Packages.exe

description	pid	process	target process
PID 3936 wrote to memory of 1416	3936	Packages.exe	powershell.exe
PID 3936 wrote to memory of 1416	3936	Packages.exe	powershell.exe
PID 3936 wrote to memory of 560	3936	Packages.exe	powershell.exe
PID 3936 wrote to memory of 560	3936	Packages.exe	powershell.exe
PID 3936 wrote to memory of 3060	3936	Packages.exe	powershell.exe
PID 3936 wrote to memory of 3060	3936	Packages.exe	powershell.exe
PID 3936 wrote to memory of 3880	3936	Packages.exe	powershell.exe
PID 3936 wrote to memory of 3880	3936	Packages.exe	powershell.exe
PID 3936 wrote to memory of 1824	3936	Packages.exe	schtasks.exe
PID 3936 wrote to memory of 1824	3936	Packages.exe	schtasks.exe

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:\Users\Admin\AppData\Local\Temp\Packages.exe
"C:\Users\Admin\AppData\Local\Temp\Packages.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Packages.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1416

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Packages.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:560

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Packages.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Packages.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Packages" /tr "C:\Users\Admin\AppData\Roaming\Packages.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:1824

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4460

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:984

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4796

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4320

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4896

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1404

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3172

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4420

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2300

C:\Users\Admin\AppData\Roaming\Packages.exe
C:\Users\Admin\AppData\Roaming\Packages.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1624

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Packages.exe.log
Filesize
654B

MD5
2cbbb74b7da1f720b48ed31085cbd5b8

SHA1
79caa9a3ea8abe1b9c4326c3633da64a5f724964

SHA256
e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

SHA512
ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
6903d57eed54e89b68ebb957928d1b99

SHA1
fade011fbf2e4bc044d41e380cf70bd6a9f73212

SHA256
36cbb00b016c9f97645fb628ef72b524dfbdf6e08d626e5c837bbbb9075dcb52

SHA512
c192ea9810fd22de8378269235c1035aa1fe1975a53c876fe4a7acc726c020f94773c21e4e4771133f9fcedb0209f0a5324c594c1db5b28fe1b27644db4fdc9e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
34c8b93dd58a4703db0d6dd86bb21d70

SHA1
b53aa49b882070b857951b6638d6da3a03ac2f56

SHA256
34b95e4d12196f68f7a030b98190fda89c34b696251ab9ed831e48d983896898

SHA512
bba4a86b8a66104ed21fd58717168cdf68b93c801a94ec65e25c2b66c1b9354b9e7c1c01cadde451948e072d96c3fa4994c94ef33aeff9b603e7b5d82f7111e7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
8cb7f4b4ab204cacd1af6b29c2a2042c

SHA1
244540c38e33eac05826d54282a0bfa60340d6a1

SHA256
4994013dabe4f131d401879278eee147add6349124ea6452358dca7e2344c7a6

SHA512
7651cb6863a425840db610253151e271d3e8da26a8c633ce484247266fa226792ecb84b9578df3ab17fef84a5dfcad417b63a7df59c9650a907e08d59b91dd6e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_urcir1x3.rzw.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Packages.exe
Filesize
65KB

MD5
9f2f801d5f2624439f4b757a67f3fab2

SHA1
0d214685df8605df7ed843d92f8c8be1ba037a55

SHA256
f5cad2530c21ab85cf6159d6c621ddcd45de189089b52658f345a8853df86291

SHA512
7b2aa3f6d5d67d22df8844ce5317310b915c7059e152814a3b8b2fa3e28a027c2c0e349ebe3e043515e59d2df33f40a046b19a65364c82525b12b9bc281a640c

Download Submit
memory/1416-4-0x00007FFC5A170000-0x00007FFC5AC32000-memory.dmp

Filesize
10.8MB

Download
memory/1416-15-0x00007FFC5A170000-0x00007FFC5AC32000-memory.dmp

Filesize
10.8MB

Download
memory/1416-16-0x00007FFC5A170000-0x00007FFC5AC32000-memory.dmp

Filesize
10.8MB

Download
memory/1416-19-0x00007FFC5A170000-0x00007FFC5AC32000-memory.dmp

Filesize
10.8MB

Download
memory/1416-13-0x0000021C27DE0000-0x0000021C27E02000-memory.dmp

Filesize
136KB

Download
memory/1416-14-0x00007FFC5A170000-0x00007FFC5AC32000-memory.dmp

Filesize
10.8MB

Download
memory/1416-3-0x00007FFC5A170000-0x00007FFC5AC32000-memory.dmp

Filesize
10.8MB

Download
memory/3936-0-0x00007FFC5A173000-0x00007FFC5A175000-memory.dmp

Filesize
8KB

Download
memory/3936-55-0x00007FFC5A173000-0x00007FFC5A175000-memory.dmp

Filesize
8KB

Download
memory/3936-56-0x00007FFC5A170000-0x00007FFC5AC32000-memory.dmp

Filesize
10.8MB

Download
memory/3936-2-0x00007FFC5A170000-0x00007FFC5AC32000-memory.dmp

Filesize
10.8MB

Download
memory/3936-1-0x0000000000460000-0x0000000000476000-memory.dmp

Filesize
88KB

Download