xworm | cc961860ee305a03c82d15f8ce5926910e327c9416cb4805d2a966e1fc93b98e

General

Target

XClientasdsqds.exe
Size

72KB
MD5

d214bb3e4684942408b51c83c1922d09
SHA1

caa581809f6ab07741e31b884a40253fab903e90
SHA256

cc961860ee305a03c82d15f8ce5926910e327c9416cb4805d2a966e1fc93b98e
SHA512

5dbe0e513e398f1afaa35d9da81f311f608d29a3a417322cce8a04e00b8a466a2dd6c48f26dae532f7818c08fa60bba8b165357167881780a0f1bcfe43126e0e
SSDEEP

1536:8gmgn/ftO1WQmaVkPDNcGbEq2a3L6IBynO7luKf5:8twftOwRbEqh3hYO7V5

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

greater-wallet.gl.at.ply.gg:6062

Attributes

Install_directory
%Temp%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2004-1-0x0000000000BB0000-0x0000000000BC8000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Local\Temp\svchost	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

3740 powershell.exe
3464 powershell.exe
1924 powershell.exe
4396 powershell.exe

pid	process
3740	powershell.exe
3464	powershell.exe
1924	powershell.exe
4396	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:

XClientasdsqds.exe

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

Drops startup file 2 IoCs

Processes:

XClientasdsqds.exe

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

Executes dropped EXE 2 IoCs

Processes:

svchostsvchost

pid process

4056 svchost
3376 svchost

pid	process
4056	svchost
3376	svchost

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

XClientasdsqds.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"	XClientasdsqds.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

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1644 schtasks.exe

flow	ioc
24	ip-api.com

pid	process
1644	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeXClientasdsqds.exe

pid	process
4396	powershell.exe
4396	powershell.exe
3740	powershell.exe
3740	powershell.exe
3464	powershell.exe
3464	powershell.exe
1924	powershell.exe
1924	powershell.exe
2004	XClientasdsqds.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

XClientasdsqds.exepowershell.exepowershell.exepowershell.exepowershell.exesvchostsvchost

description	pid	process
Token: SeDebugPrivilege	2004	XClientasdsqds.exe
Token: SeDebugPrivilege	4396	powershell.exe
Token: SeDebugPrivilege	3740	powershell.exe
Token: SeDebugPrivilege	3464	powershell.exe
Token: SeDebugPrivilege	1924	powershell.exe
Token: SeDebugPrivilege	2004	XClientasdsqds.exe
Token: SeDebugPrivilege	4056	svchost
Token: SeDebugPrivilege	3376	svchost

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

XClientasdsqds.exe

pid process

2004 XClientasdsqds.exe

pid	process
2004	XClientasdsqds.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

XClientasdsqds.exe

description	pid	process	target process
PID 2004 wrote to memory of 4396	2004	XClientasdsqds.exe	powershell.exe
PID 2004 wrote to memory of 4396	2004	XClientasdsqds.exe	powershell.exe
PID 2004 wrote to memory of 3740	2004	XClientasdsqds.exe	powershell.exe
PID 2004 wrote to memory of 3740	2004	XClientasdsqds.exe	powershell.exe
PID 2004 wrote to memory of 3464	2004	XClientasdsqds.exe	powershell.exe
PID 2004 wrote to memory of 3464	2004	XClientasdsqds.exe	powershell.exe
PID 2004 wrote to memory of 1924	2004	XClientasdsqds.exe	powershell.exe
PID 2004 wrote to memory of 1924	2004	XClientasdsqds.exe	powershell.exe
PID 2004 wrote to memory of 1644	2004	XClientasdsqds.exe	schtasks.exe
PID 2004 wrote to memory of 1644	2004	XClientasdsqds.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\XClientasdsqds.exe
"C:\Users\Admin\AppData\Local\Temp\XClientasdsqds.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:2004

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\XClientasdsqds.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4396

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClientasdsqds.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3740

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'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1924

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"
2⤵
- Creates scheduled task(s)
PID:1644

C:\Users\Admin\AppData\Local\Temp\svchost
C:\Users\Admin\AppData\Local\Temp\svchost
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4056

C:\Users\Admin\AppData\Local\Temp\svchost
C:\Users\Admin\AppData\Local\Temp\svchost
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3376

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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.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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
32b16440fab3a1055d9c22b90935bdfb

SHA1
ee350c4a65b81468487a3660dfe4f373660b9070

SHA256
ee68b728a82fefc941eba10390d9d70f5aeb442039c901eaf9a18477761cfd35

SHA512
5a1f36ab56e25548fd2875d364cfec39830e855b89628718f786bb8158147ee6fd66f2b7477d1b57b0d8cec5b8f10d173face18f4131ecec0dc67ca9ae56216c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lrum33y0.pvn.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost
Filesize
72KB

MD5
d214bb3e4684942408b51c83c1922d09

SHA1
caa581809f6ab07741e31b884a40253fab903e90

SHA256
cc961860ee305a03c82d15f8ce5926910e327c9416cb4805d2a966e1fc93b98e

SHA512
5dbe0e513e398f1afaa35d9da81f311f608d29a3a417322cce8a04e00b8a466a2dd6c48f26dae532f7818c08fa60bba8b165357167881780a0f1bcfe43126e0e

Download Submit
memory/2004-1-0x0000000000BB0000-0x0000000000BC8000-memory.dmp

Filesize
96KB

Download
memory/2004-2-0x00007FFA2B190000-0x00007FFA2BC51000-memory.dmp

Filesize
10.8MB

Download
memory/2004-0-0x00007FFA2B193000-0x00007FFA2B195000-memory.dmp

Filesize
8KB

Download
memory/2004-57-0x00007FFA2B190000-0x00007FFA2BC51000-memory.dmp

Filesize
10.8MB

Download
memory/2004-56-0x00007FFA2B193000-0x00007FFA2B195000-memory.dmp

Filesize
8KB

Download
memory/4396-5-0x00007FFA2B190000-0x00007FFA2BC51000-memory.dmp

Filesize
10.8MB

Download
memory/4396-18-0x00007FFA2B190000-0x00007FFA2BC51000-memory.dmp

Filesize
10.8MB

Download
memory/4396-15-0x00007FFA2B190000-0x00007FFA2BC51000-memory.dmp

Filesize
10.8MB

Download
memory/4396-4-0x0000022289DF0000-0x0000022289E12000-memory.dmp

Filesize
136KB

Download
memory/4396-3-0x00007FFA2B190000-0x00007FFA2BC51000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads