xworm | 7eb3f17102a94b55b2a95688d799bee21e55ad67c1ff6580c6968852705ace95

Reason

Machine shutdown

General

Target

XClient.exe
Size

173KB
MD5

e53cfc4155bf01620aaf3ef5041116f2
SHA1

50b4d70680945e7e5806de76b47d56d1fc2af985
SHA256

7eb3f17102a94b55b2a95688d799bee21e55ad67c1ff6580c6968852705ace95
SHA512

63babf167c3ebdebf672213d68a441e3973009f52dc34d0f6bec880f8a9712669c223da43f0cd066da0e5495e885f66f5d2a366f918c07bb97b22fe6c8d58232
SSDEEP

3072:xIeFPAg95lvc+b6iTPXGOXx2Bz65/M6If+3Js+3JFkKeTns:xqg7Xbd2xBt25

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

advertise-located.gl.at.ply.gg:54921

19.ip.gl.ply.gg:54921

Attributes

Install_directory
%AppData%
install_file
cmd.exe

Signatures

Detect Xworm Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/348-1-0x0000000000DB0000-0x0000000000DE2000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\cmd.exe	family_xworm
behavioral1/memory/2032-38-0x00000000012C0000-0x00000000012F2000-memory.dmp	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

1712 powershell.exe
2848 powershell.exe
2300 powershell.exe
2508 powershell.exe

pid	process
1712	powershell.exe
2848	powershell.exe
2300	powershell.exe
2508	powershell.exe

Drops startup file 2 IoCs

Processes:

XClient.exe

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

Executes dropped EXE 1 IoCs

Processes:

cmd.exe

pid process

2032 cmd.exe

pid	process
2032	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

XClient.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\cmd.exe"	XClient.exe

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

1504 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeXClient.exe

pid process

1712 powershell.exe
2848 powershell.exe
2300 powershell.exe
2508 powershell.exe
348 XClient.exe

pid	process
1504	schtasks.exe

pid	process
1712	powershell.exe
2848	powershell.exe
2300	powershell.exe
2508	powershell.exe
348	XClient.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

XClient.exepowershell.exepowershell.exepowershell.exepowershell.execmd.exe

description	pid	process
Token: SeDebugPrivilege	348	XClient.exe
Token: SeDebugPrivilege	1712	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2300	powershell.exe
Token: SeDebugPrivilege	2508	powershell.exe
Token: SeDebugPrivilege	348	XClient.exe
Token: SeDebugPrivilege	2032	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

XClient.exe

pid process

348 XClient.exe

pid	process
348	XClient.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

XClient.exetaskeng.exe

description	pid	process	target process
PID 348 wrote to memory of 1712	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 1712	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 1712	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2848	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2848	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2848	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2300	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2300	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2300	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2508	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2508	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 2508	348	XClient.exe	powershell.exe
PID 348 wrote to memory of 1504	348	XClient.exe	schtasks.exe
PID 348 wrote to memory of 1504	348	XClient.exe	schtasks.exe
PID 348 wrote to memory of 1504	348	XClient.exe	schtasks.exe
PID 1416 wrote to memory of 2032	1416	taskeng.exe	cmd.exe
PID 1416 wrote to memory of 2032	1416	taskeng.exe	cmd.exe
PID 1416 wrote to memory of 2032	1416	taskeng.exe	cmd.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\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- 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:348

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\XClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1712

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848

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\cmd.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2300

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'cmd.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "cmd" /tr "C:\Users\Admin\AppData\Roaming\cmd.exe"
2⤵
- Creates scheduled task(s)
PID:1504

C:\Windows\system32\taskeng.exe
taskeng.exe {B1ADF0AA-B683-461A-B34B-68EBBF5160B5} S-1-5-21-2737914667-933161113-3798636211-1000:PUMARTNR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1416

C:\Users\Admin\AppData\Roaming\cmd.exe
C:\Users\Admin\AppData\Roaming\cmd.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2032

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1284

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
01bbee526793a92533c16dad0e3955d3

SHA1
76481a8ae2fde280c9454db75695b10df3894335

SHA256
fad327b6e62c5851f8c27d52e9362a0e239ef002fb8146e9bc7625aaef14a3d9

SHA512
4b4857f8d8ee14af48f187f4141fd4b3624c10046cb9167e344af92e40ab0c317364a3f2ea73fc128f16d40f42c8586a61fd71f4551ea4a882f21195bd8a5265

Download Submit
C:\Users\Admin\AppData\Roaming\cmd.exe
Filesize
173KB

MD5
e53cfc4155bf01620aaf3ef5041116f2

SHA1
50b4d70680945e7e5806de76b47d56d1fc2af985

SHA256
7eb3f17102a94b55b2a95688d799bee21e55ad67c1ff6580c6968852705ace95

SHA512
63babf167c3ebdebf672213d68a441e3973009f52dc34d0f6bec880f8a9712669c223da43f0cd066da0e5495e885f66f5d2a366f918c07bb97b22fe6c8d58232

Download Submit
\??\PIPE\srvsvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/348-1-0x0000000000DB0000-0x0000000000DE2000-memory.dmp

Filesize
200KB

Download
memory/348-0-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

Filesize
4KB

Download
memory/348-34-0x0000000000D20000-0x0000000000D2C000-memory.dmp

Filesize
48KB

Download
memory/348-33-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

Filesize
4KB

Download
memory/348-32-0x000000001ACE0000-0x000000001AD60000-memory.dmp

Filesize
512KB

Download
memory/1712-7-0x000000001B780000-0x000000001BA62000-memory.dmp

Filesize
2.9MB

Download
memory/1712-8-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/1712-6-0x0000000002E10000-0x0000000002E90000-memory.dmp

Filesize
512KB

Download
memory/2032-38-0x00000000012C0000-0x00000000012F2000-memory.dmp

Filesize
200KB

Download
memory/2848-15-0x00000000027F0000-0x00000000027F8000-memory.dmp

Filesize
32KB

Download
memory/2848-14-0x000000001B4C0000-0x000000001B7A2000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads