xworm | f1d31c22c3cd5ea68f7929947784806fb5f9d48ce35f7133351f743d870aa223

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 04:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f537e878065dbdfb04fa5382bf82b1ab.exe
Size

173KB
MD5

f537e878065dbdfb04fa5382bf82b1ab
SHA1

21c67ae027f5b1db7d84a93433bc17b1f5826151
SHA256

f1d31c22c3cd5ea68f7929947784806fb5f9d48ce35f7133351f743d870aa223
SHA512

02e80c6f24e56091e747732bfe2025ab39a62cd9a6eaa50fcd3b26a57451dc159c23af9357ee88a8dd08926c9bed4f168e8ef37cf40d8ca2e75c8b61afec26a3
SSDEEP

3072:mMSwuonS8fqbBohj4UQOWqUAdBz65/M6If+3Js+3JFkKeTn6:mMS3onSrb6hj4UXdxBt25

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:57677

Azuu-57677.portmap.io:57677

Attributes

Install_directory
%Temp%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral2/memory/1360-1-0x00000000002C0000-0x00000000002F2000-memory.dmp family_xworm
C:\Users\Admin\AppData\Local\Temp\svchost.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

3980 powershell.exe
4332 powershell.exe
3972 powershell.exe
1548 powershell.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

f537e878065dbdfb04fa5382bf82b1ab.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation f537e878065dbdfb04fa5382bf82b1ab.exe

resource	yara_rule
behavioral2/memory/1360-1-0x00000000002C0000-0x00000000002F2000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Local\Temp\svchost.exe	family_xworm

pid	process
3980	powershell.exe
4332	powershell.exe
3972	powershell.exe
1548	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	f537e878065dbdfb04fa5382bf82b1ab.exe

Drops startup file 2 IoCs

Processes:

f537e878065dbdfb04fa5382bf82b1ab.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	f537e878065dbdfb04fa5382bf82b1ab.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	f537e878065dbdfb04fa5382bf82b1ab.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

4792 svchost.exe
980 svchost.exe

pid	process
4792	svchost.exe
980	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f537e878065dbdfb04fa5382bf82b1ab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe"	f537e878065dbdfb04fa5382bf82b1ab.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

2 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

2828 schtasks.exe
Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exef537e878065dbdfb04fa5382bf82b1ab.exe

pid process

3980 powershell.exe
3980 powershell.exe
4332 powershell.exe
4332 powershell.exe
3972 powershell.exe
3972 powershell.exe
1548 powershell.exe
1548 powershell.exe
1360 f537e878065dbdfb04fa5382bf82b1ab.exe

flow	ioc
2	ip-api.com

pid	process
2828	schtasks.exe

pid	process
3980	powershell.exe
3980	powershell.exe
4332	powershell.exe
4332	powershell.exe
3972	powershell.exe
3972	powershell.exe
1548	powershell.exe
1548	powershell.exe
1360	f537e878065dbdfb04fa5382bf82b1ab.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

f537e878065dbdfb04fa5382bf82b1ab.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1360	f537e878065dbdfb04fa5382bf82b1ab.exe
Token: SeDebugPrivilege	3980	powershell.exe
Token: SeDebugPrivilege	4332	powershell.exe
Token: SeDebugPrivilege	3972	powershell.exe
Token: SeDebugPrivilege	1548	powershell.exe
Token: SeDebugPrivilege	1360	f537e878065dbdfb04fa5382bf82b1ab.exe
Token: SeDebugPrivilege	4792	svchost.exe
Token: SeDebugPrivilege	980	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f537e878065dbdfb04fa5382bf82b1ab.exe

pid process

1360 f537e878065dbdfb04fa5382bf82b1ab.exe

pid	process
1360	f537e878065dbdfb04fa5382bf82b1ab.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

f537e878065dbdfb04fa5382bf82b1ab.exe

description	pid	process	target process
PID 1360 wrote to memory of 3980	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	powershell.exe
PID 1360 wrote to memory of 3980	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	powershell.exe
PID 1360 wrote to memory of 4332	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	powershell.exe
PID 1360 wrote to memory of 4332	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	powershell.exe
PID 1360 wrote to memory of 3972	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	powershell.exe
PID 1360 wrote to memory of 3972	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	powershell.exe
PID 1360 wrote to memory of 1548	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	powershell.exe
PID 1360 wrote to memory of 1548	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	powershell.exe
PID 1360 wrote to memory of 2828	1360	f537e878065dbdfb04fa5382bf82b1ab.exe	schtasks.exe
PID 1360 wrote to memory of 2828	1360	f537e878065dbdfb04fa5382bf82b1ab.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\f537e878065dbdfb04fa5382bf82b1ab.exe
"C:\Users\Admin\AppData\Local\Temp\f537e878065dbdfb04fa5382bf82b1ab.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360

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\f537e878065dbdfb04fa5382bf82b1ab.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3980

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'f537e878065dbdfb04fa5382bf82b1ab.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4332

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\svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3972

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1548

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2828

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4792

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:980

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

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\CLR_v4.0\UsageLogs\svchost.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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
d8cb3e9459807e35f02130fad3f9860d

SHA1
5af7f32cb8a30e850892b15e9164030a041f4bd6

SHA256
2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68

SHA512
045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184

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

MD5
aeceee3981c528bdc5e1c635b65d223d

SHA1
de9939ed37edca6772f5cdd29f6a973b36b7d31b

SHA256
b99f3c778a047e0348c92c16e0419fa29418d10d0fec61ad8283e92a094a2b32

SHA512
df48285f38e9284efdbd9f8d99e2e94a46fb5465953421ab88497b73ae06895b98ea5c98796560810a6f342c31a9112ea87e03cd3e267fd8518d7585f492a8fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g2qylho4.uln.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
173KB

MD5
f537e878065dbdfb04fa5382bf82b1ab

SHA1
21c67ae027f5b1db7d84a93433bc17b1f5826151

SHA256
f1d31c22c3cd5ea68f7929947784806fb5f9d48ce35f7133351f743d870aa223

SHA512
02e80c6f24e56091e747732bfe2025ab39a62cd9a6eaa50fcd3b26a57451dc159c23af9357ee88a8dd08926c9bed4f168e8ef37cf40d8ca2e75c8b61afec26a3

Download Submit
memory/1360-1-0x00000000002C0000-0x00000000002F2000-memory.dmp

Filesize
200KB

Download
memory/1360-2-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

Filesize
10.8MB

Download
memory/1360-0-0x00007FF89DDC3000-0x00007FF89DDC5000-memory.dmp

Filesize
8KB

Download
memory/1360-58-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

Filesize
10.8MB

Download
memory/3980-10-0x000001B1D8610000-0x000001B1D8632000-memory.dmp

Filesize
136KB

Download
memory/3980-19-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

Filesize
10.8MB

Download
memory/3980-18-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

Filesize
10.8MB

Download
memory/3980-15-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

Filesize
10.8MB

Download
memory/3980-14-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

Filesize
10.8MB

Download
memory/3980-3-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

Filesize
10.8MB

Download