xworm | 70441672a9bdcdab038ce4944ddb852afd678f38a6058601dc3f5cd57b5bea60

General

Target

XClient.exe
Size

80KB
MD5

18bfa92b77cf828eef637da14eefb770
SHA1

9c010b423e035c0751050bf96f61750509734029
SHA256

70441672a9bdcdab038ce4944ddb852afd678f38a6058601dc3f5cd57b5bea60
SHA512

de1cdaa74edf4d0604bc4625ee55ea15d627378c243b65e4cf19c9d5d28abdaafad288172ac7323d5ab1869b530f96dd553b38fe548ee6a4df4e2934fb9c3ca4
SSDEEP

1536:WJmDhjyCoaQ7o7nacdQNZwKdeol9bYjZomFqW6XOmH7AHmn+k:bVjVeOnacdQEwj9bY1omFcOmH7F+k

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

publication-glossary.gl.at.ply.gg:4444

Attributes

Install_directory
%AppData%
install_file
USB.exe
telegram
https://api.telegram.org/bot7704029346:AAHPre1lXQa0UfPCpOUXJZ9UXA9mFxvH4Gk/sendMessage?chat_id=7590668020

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/5316-1-0x0000000000E00000-0x0000000000E1A000-memory.dmp	family_xworm
behavioral1/files/0x002000000002ab25-70.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
3992	powershell.exe
3644	powershell.exe
4536	powershell.exe
1344	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\security.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\security.lnk	XClient.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-1-5-21-3587106988-279496464-3440778474-1000\Software\Microsoft\Windows\CurrentVersion\Run\security = "C:\\Users\\Admin\\AppData\\Roaming\\security"	XClient.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe

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
2032	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5316	XClient.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3992	powershell.exe
3992	powershell.exe
3644	powershell.exe
3644	powershell.exe
4536	powershell.exe
4536	powershell.exe
1344	powershell.exe
1344	powershell.exe
5316	XClient.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
5316	XClient.exe
5316	XClient.exe
5316	XClient.exe
5316	XClient.exe
5316	XClient.exe
5316	XClient.exe
1668	taskmgr.exe
5316	XClient.exe
5316	XClient.exe
5316	XClient.exe
1668	taskmgr.exe
1668	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5316	XClient.exe
Token: SeDebugPrivilege	3992	powershell.exe
Token: SeDebugPrivilege	3644	powershell.exe
Token: SeDebugPrivilege	4536	powershell.exe
Token: SeDebugPrivilege	1344	powershell.exe
Token: SeDebugPrivilege	5316	XClient.exe
Token: SeDebugPrivilege	1668	taskmgr.exe
Token: SeSystemProfilePrivilege	1668	taskmgr.exe
Token: SeCreateGlobalPrivilege	1668	taskmgr.exe

Suspicious use of FindShellTrayWindow 22 IoCs

pid	Process
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe

Suspicious use of SendNotifyMessage 22 IoCs

pid	Process
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe
1668	taskmgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5316	XClient.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5316 wrote to memory of 3992	5316	XClient.exe	77
PID 5316 wrote to memory of 3992	5316	XClient.exe	77
PID 5316 wrote to memory of 3644	5316	XClient.exe	79
PID 5316 wrote to memory of 3644	5316	XClient.exe	79
PID 5316 wrote to memory of 4536	5316	XClient.exe	81
PID 5316 wrote to memory of 4536	5316	XClient.exe	81
PID 5316 wrote to memory of 1344	5316	XClient.exe	83
PID 5316 wrote to memory of 1344	5316	XClient.exe	83
PID 5316 wrote to memory of 2032	5316	XClient.exe	85
PID 5316 wrote to memory of 2032	5316	XClient.exe	85

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: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5316
- 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:3992
- 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:3644
- 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\security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4536
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1344
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "security" /tr "C:\Users\Admin\AppData\Roaming\security"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2032

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

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
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

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

Filesize
944B

MD5
1189a72e42e2321edf1ed3a8d5568687

SHA1
a2142fc754d6830de107d9d46f398483156f16a6

SHA256
009aee0a5f2d25ed79160e75cde58722def11663334ed20283e3afca32f971ea

SHA512
b1eb9b7aa7a57d0acec93b8152229b1f274a8d1b8f19133513486587f39b0636a9df89ddc6c2013e001d831f2b23cd0bb0fc084131824ea8e1dff134cd6d4f29

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

Filesize
944B

MD5
781da0576417bf414dc558e5a315e2be

SHA1
215451c1e370be595f1c389f587efeaa93108b4c

SHA256
41a5aef8b0bbeea2766f40a7bba2c78322379f167c610f7055ccb69e7db030fe

SHA512
24e283aa30a2903ebe154dad49b26067a45e46fec57549ad080d3b9ec3f272044efaaed3822d067837f5521262192f466c47195ffe7f75f8c7c5dcf3159ea737

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zq4isoyg.51x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\security.lnk

Filesize
754B

MD5
2c17a549c8356f9a7f47ff814e7c54db

SHA1
b7c2ab8a8b5a4d07fb073f511198cb3b3fa59437

SHA256
77c1f63c7d18a8b4fd553decc6c0c405323842d297f123db7d5bc7645ab8f600

SHA512
dab704eed97d72f869f02e48b914e93c5c4bc39190e5e1fd16fcae29da60cacb156ca3c9ae22aa792d94111f3d8773414cc30b930cb2af2b7e16db299944b67b

Download Submit
C:\Users\Admin\AppData\Roaming\security

Filesize
80KB

MD5
18bfa92b77cf828eef637da14eefb770

SHA1
9c010b423e035c0751050bf96f61750509734029

SHA256
70441672a9bdcdab038ce4944ddb852afd678f38a6058601dc3f5cd57b5bea60

SHA512
de1cdaa74edf4d0604bc4625ee55ea15d627378c243b65e4cf19c9d5d28abdaafad288172ac7323d5ab1869b530f96dd553b38fe548ee6a4df4e2934fb9c3ca4

Download Submit
memory/1668-62-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-66-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-67-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-65-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-64-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-63-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-56-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-68-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-57-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/1668-58-0x000001FDD5110000-0x000001FDD5111000-memory.dmp

Filesize
4KB

Download
memory/3992-14-0x00007FFC57630000-0x00007FFC580F2000-memory.dmp

Filesize
10.8MB

Download
memory/3992-18-0x00007FFC57630000-0x00007FFC580F2000-memory.dmp

Filesize
10.8MB

Download
memory/3992-15-0x00007FFC57630000-0x00007FFC580F2000-memory.dmp

Filesize
10.8MB

Download
memory/3992-13-0x00007FFC57630000-0x00007FFC580F2000-memory.dmp

Filesize
10.8MB

Download
memory/3992-12-0x00007FFC57630000-0x00007FFC580F2000-memory.dmp

Filesize
10.8MB

Download
memory/3992-11-0x00007FFC57630000-0x00007FFC580F2000-memory.dmp

Filesize
10.8MB

Download
memory/3992-10-0x00000269227D0000-0x00000269227F2000-memory.dmp

Filesize
136KB

Download
memory/5316-55-0x00007FFC57630000-0x00007FFC580F2000-memory.dmp

Filesize
10.8MB

Download
memory/5316-54-0x00007FFC57633000-0x00007FFC57635000-memory.dmp

Filesize
8KB

Download
memory/5316-53-0x00007FFC57630000-0x00007FFC580F2000-memory.dmp

Filesize
10.8MB

Download
memory/5316-0-0x00007FFC57633000-0x00007FFC57635000-memory.dmp

Filesize
8KB

Download
memory/5316-1-0x0000000000E00000-0x0000000000E1A000-memory.dmp

Filesize
104KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads