xworm | 3123af93014a5a5c49aa6fd2118f6805041af178c222be27e30b2fd477085c19

Resubmissions

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

06-08-2024 12:52

06-08-2024 12:29

06-08-2024 12:26

Analysis

max time kernel
150s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 12:29

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General

Target

1/3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe
Size

487KB
MD5

f451292bbe0b4c16d244c251105de16a
SHA1

a527d277ccc25ad97ae64fb76767f1e2cda66ff2
SHA256

3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a
SHA512

d53a9cd31a3a98eb88af0c5454007adf8c897db53b6518a9f0c019af0bdcb906bf9fbca616b5ee03d7adfa397a16af06bbfbbbf36d15b89fdf3b96fb79fd439a
SSDEEP

6144:MNDD+bHpEiGXQ4rnc+UI73whSk7MIhWI3tf5Jx/R7ZCe7w4uoVLdaPYZHuW31bZ+:MNncp0jUI73F0DhHbbzCMwI11b

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

schools-copper.gl.at.ply.gg:14154

Attributes

Install_directory
%Userprofile%
install_file
svchost.exe
telegram
https://api.telegram.org/bot6887301557:AAE2e7AcjyzPeaHQb_2XBthrT3TTCKt7jCs/sendMessage?chat_id=7045481276

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral20/memory/2784-1-0x0000000000A80000-0x0000000000AFE000-memory.dmp	family_xworm
C:\Users\Admin\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

5020 powershell.exe
1204 powershell.exe
4280 powershell.exe
4520 powershell.exe

pid	process
5020	powershell.exe
1204	powershell.exe
4280	powershell.exe
4520	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:

3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

Drops startup file 2 IoCs

Processes:

3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

Executes dropped EXE 3 IoCs

Processes:

svchost.exesvchost.exesvchost.exe

pid process

4908 svchost.exe
224 svchost.exe
4316 svchost.exe

pid	process
4908	svchost.exe
224	svchost.exe
4316	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\svchost.exe"	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.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

15 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

1460 schtasks.exe

flow	ioc
15	ip-api.com

pid	process
1460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

pid	process
4520	powershell.exe
4520	powershell.exe
5020	powershell.exe
5020	powershell.exe
1204	powershell.exe
1204	powershell.exe
4280	powershell.exe
4280	powershell.exe
2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe
Token: SeDebugPrivilege	4520	powershell.exe
Token: SeDebugPrivilege	5020	powershell.exe
Token: SeDebugPrivilege	1204	powershell.exe
Token: SeDebugPrivilege	4280	powershell.exe
Token: SeDebugPrivilege	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe
Token: SeDebugPrivilege	4908	svchost.exe
Token: SeDebugPrivilege	224	svchost.exe
Token: SeDebugPrivilege	4316	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

pid process

2784 3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

pid	process
2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe

description	pid	process	target process
PID 2784 wrote to memory of 4520	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	powershell.exe
PID 2784 wrote to memory of 4520	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	powershell.exe
PID 2784 wrote to memory of 5020	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	powershell.exe
PID 2784 wrote to memory of 5020	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	powershell.exe
PID 2784 wrote to memory of 1204	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	powershell.exe
PID 2784 wrote to memory of 1204	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	powershell.exe
PID 2784 wrote to memory of 4280	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	powershell.exe
PID 2784 wrote to memory of 4280	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	powershell.exe
PID 2784 wrote to memory of 1460	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe	schtasks.exe
PID 2784 wrote to memory of 1460	2784	3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.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\1\3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe
"C:\Users\Admin\AppData\Local\Temp\1\3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.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:2784
- 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\1\3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4520
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5020
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1204
- 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:4280
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1460

C:\Users\Admin\svchost.exe
C:\Users\Admin\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4908

C:\Users\Admin\svchost.exe
C:\Users\Admin\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:224

C:\Users\Admin\svchost.exe
C:\Users\Admin\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4316

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

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
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
6d14ccefeb263594e60b1765e131f7a3

SHA1
4a9ebdc0dff58645406c40b7b140e1b174756721

SHA256
57cd435c8b2bf10a2c77698301789c032e1b6b623ff1420c72e8bca0b10f1e5c

SHA512
2013a26123f72a4106524fd9d7389ac4654f97033d22707efc084fb2a3ad01c298eb64f01bb64861ab603615022dbe7cfc97475346edb16b3ba72e905127f101

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

Filesize
944B

MD5
e3161f4edbc9b963debe22e29658050b

SHA1
45dbf88dadafe5dd1cfee1e987c8a219d3208cdb

SHA256
1359d6daeaed2f254b162914203c891b23139cc236a3bf75c2dfcbe26265c84a

SHA512
006ffb8f37d1f77f8ee79b22ffa413819f565d62773c632b70985759572121c6ab4743139d16d885f8c0ff9d0e0b136686741728b3e142ee54aea3bb733dffb2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rh1qsvud.0gf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\svchost.exe

Filesize
487KB

MD5
f451292bbe0b4c16d244c251105de16a

SHA1
a527d277ccc25ad97ae64fb76767f1e2cda66ff2

SHA256
3a72ecec34a29f53a1d73677a0e6f4c2e19087a32f1808f8f4ff643f62128d8a

SHA512
d53a9cd31a3a98eb88af0c5454007adf8c897db53b6518a9f0c019af0bdcb906bf9fbca616b5ee03d7adfa397a16af06bbfbbbf36d15b89fdf3b96fb79fd439a

Download Submit
memory/1204-42-0x0000022AF3480000-0x0000022AF35EA000-memory.dmp

Filesize
1.4MB

Download
memory/2784-61-0x00007FFA58420000-0x00007FFA58EE1000-memory.dmp

Filesize
10.8MB

Download
memory/2784-58-0x00007FFA58423000-0x00007FFA58425000-memory.dmp

Filesize
8KB

Download
memory/2784-0-0x00007FFA58423000-0x00007FFA58425000-memory.dmp

Filesize
8KB

Download
memory/2784-2-0x00007FFA58420000-0x00007FFA58EE1000-memory.dmp

Filesize
10.8MB

Download
memory/2784-1-0x0000000000A80000-0x0000000000AFE000-memory.dmp

Filesize
504KB

Download
memory/4520-9-0x00007FFA58420000-0x00007FFA58EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4520-18-0x00007FFA58420000-0x00007FFA58EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4520-15-0x00007FFA58420000-0x00007FFA58EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4520-14-0x00007FFA58420000-0x00007FFA58EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4520-3-0x000001E31B2E0000-0x000001E31B302000-memory.dmp

Filesize
136KB

Download