xworm | 5307ce2390d7c4bfba56c3f519dfcf29d7a5e1752150847c43b6d94d5a9e0ffb

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:14

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General

Target

916cd92d3ac28dded1335ac06764e138.exe
Size

39KB
MD5

916cd92d3ac28dded1335ac06764e138
SHA1

723a0815fe64380ccb2d5b3cc8dd4715cd0167cd
SHA256

328d960f3c75b7870f97ade069315809dd1649966cce248d85d64f191147da96
SHA512

349bee4b9192224122943633908dab1478ef8014202155b1be53115c291b480d3021af69f16623a8683b09bb3b680548b4ee751f90e90330b2baf8f9acd53195
SSDEEP

768:3F0D8dYqSKMY69IUGBhOq2MGoi4QX6U0XkdIyFZ89slrXJ6KOhhbu2:3Fw8dYqkY69IU4h4b8Q6U0XUFq9s5Z6D

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

design-shipped.gl.at.ply.gg:2938

Mutex

v6oCqftosMfufC9R

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral8/memory/4416-1-0x00000000005C0000-0x00000000005D0000-memory.dmp	family_xworm
behavioral8/files/0x000b0000000242ff-58.dat	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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

pid	Process
4776	powershell.exe
940	powershell.exe
5036	powershell.exe
2416	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	916cd92d3ac28dded1335ac06764e138.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Calender.lnk	916cd92d3ac28dded1335ac06764e138.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Calender.lnk	916cd92d3ac28dded1335ac06764e138.exe

Executes dropped EXE 3 IoCs

pid	Process
3716	Windows Calender
3196	Windows Calender
4984	Windows Calender

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-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Calender = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Calender"	916cd92d3ac28dded1335ac06764e138.exe

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

pid	Process
5136	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4416	916cd92d3ac28dded1335ac06764e138.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2416	powershell.exe
2416	powershell.exe
4776	powershell.exe
4776	powershell.exe
940	powershell.exe
940	powershell.exe
5036	powershell.exe
5036	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4416	916cd92d3ac28dded1335ac06764e138.exe
Token: SeDebugPrivilege	2416	powershell.exe
Token: SeDebugPrivilege	4776	powershell.exe
Token: SeDebugPrivilege	940	powershell.exe
Token: SeDebugPrivilege	5036	powershell.exe
Token: SeDebugPrivilege	4416	916cd92d3ac28dded1335ac06764e138.exe
Token: SeDebugPrivilege	3716	Windows Calender
Token: SeDebugPrivilege	3196	Windows Calender
Token: SeDebugPrivilege	4984	Windows Calender

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 2416	4416	916cd92d3ac28dded1335ac06764e138.exe	88
PID 4416 wrote to memory of 2416	4416	916cd92d3ac28dded1335ac06764e138.exe	88
PID 4416 wrote to memory of 4776	4416	916cd92d3ac28dded1335ac06764e138.exe	90
PID 4416 wrote to memory of 4776	4416	916cd92d3ac28dded1335ac06764e138.exe	90
PID 4416 wrote to memory of 940	4416	916cd92d3ac28dded1335ac06764e138.exe	92
PID 4416 wrote to memory of 940	4416	916cd92d3ac28dded1335ac06764e138.exe	92
PID 4416 wrote to memory of 5036	4416	916cd92d3ac28dded1335ac06764e138.exe	94
PID 4416 wrote to memory of 5036	4416	916cd92d3ac28dded1335ac06764e138.exe	94
PID 4416 wrote to memory of 5136	4416	916cd92d3ac28dded1335ac06764e138.exe	96
PID 4416 wrote to memory of 5136	4416	916cd92d3ac28dded1335ac06764e138.exe	96

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\916cd92d3ac28dded1335ac06764e138.exe
"C:\Users\Admin\AppData\Local\Temp\916cd92d3ac28dded1335ac06764e138.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4416
- 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\916cd92d3ac28dded1335ac06764e138.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2416
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '916cd92d3ac28dded1335ac06764e138.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4776
- 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\Windows Calender'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:940
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Calender'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5036
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Calender" /tr "C:\Users\Admin\AppData\Roaming\Windows Calender"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5136

C:\Users\Admin\AppData\Roaming\Windows Calender
"C:\Users\Admin\AppData\Roaming\Windows Calender"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3716

C:\Users\Admin\AppData\Roaming\Windows Calender
"C:\Users\Admin\AppData\Roaming\Windows Calender"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3196

C:\Users\Admin\AppData\Roaming\Windows Calender
"C:\Users\Admin\AppData\Roaming\Windows Calender"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4984

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\Windows Calender.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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
efa4168b73a5e8ae56d49bcac4d67861

SHA1
b3fe6b2d9fc05ad7892a2c8b96914764336b3067

SHA256
7aab157fba3a543647a38cc8729ffb962a58cc2093d94566c9e68ff73d134dca

SHA512
a1f305eac9c73c951f22e76f3904c1c6bb518b12d8a74bbea544c845f3d592e7915ec47d6531a3a4e669f6ab12311f3a632ff47a68f36370111d1c82cf8b6e99

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

Filesize
944B

MD5
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

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

Filesize
944B

MD5
e58749a7a1826f6ea62df1e2ef63a32b

SHA1
c0bca21658b8be4f37b71eec9578bfefa44f862d

SHA256
0e1f0e684adb40a5d0668df5fed007c9046137d7ae16a1f2f343b139d5f9bc93

SHA512
4cf45b2b11ab31e7f67fff286b29d50ed28cd6043091144c5c0f1348b5f5916ed7479cf985595e6f096b586ab93b4b5dce612f688049b8366a2dd91863e98b70

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wtuogpda.lag.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Calender

Filesize
39KB

MD5
916cd92d3ac28dded1335ac06764e138

SHA1
723a0815fe64380ccb2d5b3cc8dd4715cd0167cd

SHA256
328d960f3c75b7870f97ade069315809dd1649966cce248d85d64f191147da96

SHA512
349bee4b9192224122943633908dab1478ef8014202155b1be53115c291b480d3021af69f16623a8683b09bb3b680548b4ee751f90e90330b2baf8f9acd53195

Download Submit
memory/2416-12-0x00007FFC9C950000-0x00007FFC9D411000-memory.dmp

Filesize
10.8MB

Download
memory/2416-17-0x00007FFC9C950000-0x00007FFC9D411000-memory.dmp

Filesize
10.8MB

Download
memory/2416-14-0x00007FFC9C950000-0x00007FFC9D411000-memory.dmp

Filesize
10.8MB

Download
memory/2416-13-0x00007FFC9C950000-0x00007FFC9D411000-memory.dmp

Filesize
10.8MB

Download
memory/2416-7-0x00000161A1870000-0x00000161A1892000-memory.dmp

Filesize
136KB

Download
memory/4416-0-0x00007FFC9C953000-0x00007FFC9C955000-memory.dmp

Filesize
8KB

Download
memory/4416-55-0x00007FFC9C953000-0x00007FFC9C955000-memory.dmp

Filesize
8KB

Download
memory/4416-56-0x00007FFC9C950000-0x00007FFC9D411000-memory.dmp

Filesize
10.8MB

Download
memory/4416-57-0x00007FFC9C950000-0x00007FFC9D411000-memory.dmp

Filesize
10.8MB

Download
memory/4416-1-0x00000000005C0000-0x00000000005D0000-memory.dmp

Filesize
64KB

Download