xworm | f6ea483197e1068338d1a9f15f30acd504592e233ed48c99a3ec2d0bff4bfe07

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 02:02

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General

Target

11.exe
Size

141KB
MD5

ca2750660e7a4925be67111398c41ba3
SHA1

c34ad86ab7d09eb561ea93d3043c50501b59a95a
SHA256

f6ea483197e1068338d1a9f15f30acd504592e233ed48c99a3ec2d0bff4bfe07
SHA512

ff8a1f0df2e14b662c6947ccafc87587edd22f50dd52f5e1af309c457d321aa5c46bdbfeafdd8aeee4b05403550892d3facba88b03bc700b5e19593046307553
SSDEEP

3072:L507+DpnZ7oDJX6AyU0Rc4OSSIfO0mZxQeUF53Gbph1s27T:u72zMVqgWc4btfO02xi/Gbph1R7T

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

y-9.qq-weixin.org:7000

Mutex

EO9XSpj51dU3wDN4

Attributes

Install_directory
%AppData%
install_file
escsvc.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1320-50-0x0000000002AD0000-0x0000000002AE0000-memory.dmp	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
3300	powershell.exe
668	powershell.exe
548	powershell.exe
4188	powershell.exe

Downloads MZ/PE file

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	escsvc.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
1744	escsvc64.exe
1320	escsvc.exe
3376	msna.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\escsvc = "C:\\Users\\Admin\\AppData\\Roaming\\escsvc.exe"	escsvc.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
23	ip-api.com

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\escsvc\escsvc64.exe	11.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2708	11.exe
2708	11.exe
1744	escsvc64.exe
1744	escsvc64.exe
1744	escsvc64.exe
1744	escsvc64.exe
2708	11.exe
2708	11.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
668	powershell.exe
668	powershell.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
548	powershell.exe
548	powershell.exe
4188	powershell.exe
4188	powershell.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
3300	powershell.exe
3300	powershell.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
1320	escsvc.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
2708	11.exe
2708	11.exe
3376	msna.exe
3376	msna.exe
2708	11.exe
2708	11.exe
3376	msna.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2708	11.exe
3376	msna.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1320	escsvc.exe
Token: SeDebugPrivilege	668	powershell.exe
Token: SeDebugPrivilege	548	powershell.exe
Token: SeDebugPrivilege	4188	powershell.exe
Token: SeDebugPrivilege	3300	powershell.exe
Token: SeDebugPrivilege	1320	escsvc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1320	escsvc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1320	1744	escsvc64.exe	83
PID 1744 wrote to memory of 1320	1744	escsvc64.exe	83
PID 1744 wrote to memory of 3376	1744	escsvc64.exe	84
PID 1744 wrote to memory of 3376	1744	escsvc64.exe	84
PID 1320 wrote to memory of 668	1320	escsvc.exe	86
PID 1320 wrote to memory of 668	1320	escsvc.exe	86
PID 1320 wrote to memory of 548	1320	escsvc.exe	88
PID 1320 wrote to memory of 548	1320	escsvc.exe	88
PID 1320 wrote to memory of 4188	1320	escsvc.exe	90
PID 1320 wrote to memory of 4188	1320	escsvc.exe	90
PID 1320 wrote to memory of 3300	1320	escsvc.exe	92
PID 1320 wrote to memory of 3300	1320	escsvc.exe	92

C:\Users\Admin\AppData\Local\Temp\11.exe
"C:\Users\Admin\AppData\Local\Temp\11.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:2708

C:\Windows\escsvc\escsvc64.exe
C:\Windows\escsvc\escsvc64.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Roaming\Microsoft\escsvc.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\escsvc.exe
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1320
- - 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\Microsoft\escsvc.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:668
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'escsvc.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:548
- - 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\escsvc.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4188
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'escsvc.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3300
- C:\Users\Admin\AppData\Roaming\Microsoft\msna.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\msna.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
5e334c257d6192d9395bb657584ea0d0

SHA1
4c7d98ed4f002beae4e2ecb067ed180bba609d94

SHA256
0403532bc41c4b6c4f0a038be5e9bd9567b44c6a030c500092ced0eaabbccfa3

SHA512
b9fd88846320089a9975bf3f3d22ef5be84a3f79111c8891fb27108a553de45fa8eeed5160aaf83c0cd9dbb635ed585e6a04b5255d5ae7afe0e7cf386d465b04

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

Filesize
944B

MD5
2d6baabb78161c2401e97f08de1b3b4e

SHA1
7bd22cebd5f310d8ac2ef8027caf6a0ec3bf709e

SHA256
1cea816e9897ec6852edb3671e5a93b05ea817bc969c4d47ee70f5573f95df42

SHA512
9f35b70cdb0159002143296f11dd22bec6e28836d36bb2ec0527692935cfc3f43df54871a9397bbdf2aaf6912943968310320433ca51a39e360d7227262c754c

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

Filesize
944B

MD5
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tdmx0rge.2xp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\escsvc.exe

Filesize
141KB

MD5
58b45125dfd1aa1745ef2c41a2f27898

SHA1
b58110de9e3b2bc882f260058cfbb8ef758543b2

SHA256
f5742d8ecf701dfd8bef2ab0eb04767f92e6a845f4f8a932bf6a8a7f9cce5f5c

SHA512
01475c4ad4511f2cc1fbbd8e3f7118ebcf1d6d8f4aa8688be0e97a610ba61de347ea830c0fd90d772e3d2a70bc53225ae1968625e438495f026715f2364289ef

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\msna.exe

Filesize
141KB

MD5
ca2750660e7a4925be67111398c41ba3

SHA1
c34ad86ab7d09eb561ea93d3043c50501b59a95a

SHA256
f6ea483197e1068338d1a9f15f30acd504592e233ed48c99a3ec2d0bff4bfe07

SHA512
ff8a1f0df2e14b662c6947ccafc87587edd22f50dd52f5e1af309c457d321aa5c46bdbfeafdd8aeee4b05403550892d3facba88b03bc700b5e19593046307553

Download Submit
C:\Windows\escsvc\escsvc64.exe

Filesize
141KB

MD5
7f6b9b8bebd2aa74fbb6d09dfe05fa70

SHA1
7dac56d6d0a7404f2c48f27a3c4076925187dc55

SHA256
41c4dbdc930b25852998c0024dc34df8480ccd190bd751659fbbf578e7ad546a

SHA512
ea02558c260aa2a892c89f76e2309233a741af119c28575ed41a309ffe1bffd31addbdfc473001f324ed87d53be1745afdbeec46706b47b868768a00bad6b109

Download Submit
memory/668-74-0x00000241A65D0000-0x00000241A65F2000-memory.dmp

Filesize
136KB

Download
memory/1320-49-0x0000000002000000-0x0000000002012000-memory.dmp

Filesize
72KB

Download
memory/1320-50-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

Filesize
64KB

Download
memory/1320-44-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1744-18-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1744-28-0x0000000180000000-0x0000000180025000-memory.dmp

Filesize
148KB

Download
memory/1744-27-0x0000000180000000-0x0000000180025000-memory.dmp

Filesize
148KB

Download
memory/1744-20-0x0000000180000000-0x0000000180025000-memory.dmp

Filesize
148KB

Download
memory/1744-29-0x0000000180000000-0x0000000180025000-memory.dmp

Filesize
148KB

Download
memory/1744-30-0x0000000180000000-0x0000000180025000-memory.dmp

Filesize
148KB

Download
memory/1744-19-0x0000000000CC0000-0x0000000000CE0000-memory.dmp

Filesize
128KB

Download
memory/2708-33-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-31-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-35-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-34-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-0-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2708-32-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-37-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-38-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-39-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-9-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-11-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-1-0x00000000028B0000-0x0000000002925000-memory.dmp

Filesize
468KB

Download
memory/2708-2-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-13-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-12-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-36-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/2708-10-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-61-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-73-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-72-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-71-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-70-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-69-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-68-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-67-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-65-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-66-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-59-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-62-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-63-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-60-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download
memory/3376-53-0x0000000180000000-0x0000000180079000-memory.dmp

Filesize
484KB

Download