xworm | 6e552c8d82a2553ec83fea57d340561834aeac22ae30d6a81692f2eee6651e14

General

Target

cheat.exe
Size

61KB
MD5

427cae9ddc40f9a7ea51459fc265d9be
SHA1

8c68b6be3529637908878e64a020dd99c3bf98ad
SHA256

4a1a9976a6fc9351ce34db0c601952328f52b526894cea614b51879c065e89a4
SHA512

da5d985814986580a53712df240dad2dd876a16aeebab7e89ddc9968a8d2305dbf1cb695e1fa812ac534f27f1dfabf1be8aedac1f07d1b311163843f905a47a1
SSDEEP

1536:SAXBcwCcPCxLgk2BeVbcqbhc48Ulk36nJNOOKLj:SAyvcPCaJe9Pbhc0hcOKLj

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

submit-processing.gl.at.ply.gg:54034

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3952-0-0x0000000000080000-0x0000000000096000-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

pid	Process
4932	powershell.exe
1408	powershell.exe
3124	powershell.exe
4572	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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	cheat.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	cheat.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	cheat.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-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	cheat.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
29	ip-api.com

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
2932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4932	powershell.exe
4932	powershell.exe
4932	powershell.exe
1408	powershell.exe
1408	powershell.exe
3124	powershell.exe
3124	powershell.exe
4572	powershell.exe
4572	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3952	cheat.exe
Token: SeDebugPrivilege	4932	powershell.exe
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeDebugPrivilege	3124	powershell.exe
Token: SeDebugPrivilege	4572	powershell.exe
Token: SeDebugPrivilege	3952	cheat.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 4932	3952	cheat.exe	91
PID 3952 wrote to memory of 4932	3952	cheat.exe	91
PID 3952 wrote to memory of 1408	3952	cheat.exe	93
PID 3952 wrote to memory of 1408	3952	cheat.exe	93
PID 3952 wrote to memory of 3124	3952	cheat.exe	95
PID 3952 wrote to memory of 3124	3952	cheat.exe	95
PID 3952 wrote to memory of 4572	3952	cheat.exe	98
PID 3952 wrote to memory of 4572	3952	cheat.exe	98
PID 3952 wrote to memory of 2932	3952	cheat.exe	100
PID 3952 wrote to memory of 2932	3952	cheat.exe	100

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\cheat.exe
"C:\Users\Admin\AppData\Local\Temp\cheat.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3952
- 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\cheat.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4932
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'cheat.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1408
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3124
- 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:4572
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2932

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

Query Registry

2

T1012

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
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
a9a7f35c006bbf5da72f9cb250ffbddb

SHA1
458a8cedc38dac109631d9fccb3bf6d2c5c0e89e

SHA256
a1db56d56e35a6c95f98204e40f69f70422969681d408e5edc4afbf732eef86b

SHA512
d341773d30e09214567c65f24cd1854f1e438b8528aa30d35b6baac16e671dde1245edda654f19343b7c160da45985ab53f08453e7f6286e272d544f8741c131

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

Filesize
944B

MD5
31fddc7cde1ce8268ce05b11ce49a233

SHA1
459e413dfa080a413420e7bda8563e018f2190be

SHA256
96c9c7049bbeda8fcddb9a3b13e1a8dbc0efef0be1893a46d6f6ab977c617614

SHA512
abefdb3d324848a90063afc8c2e8c2d11dcfd477c17ee7833d56f45053edf04fe898e8125eb63162369608683bc76db3b010694e0a284608540a30459a52e935

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vtzkbghr.4so.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3952-1-0x00007FFA50883000-0x00007FFA50885000-memory.dmp

Filesize
8KB

Download
memory/3952-2-0x00007FFA50880000-0x00007FFA51341000-memory.dmp

Filesize
10.8MB

Download
memory/3952-0-0x0000000000080000-0x0000000000096000-memory.dmp

Filesize
88KB

Download
memory/3952-58-0x00007FFA50880000-0x00007FFA51341000-memory.dmp

Filesize
10.8MB

Download
memory/3952-57-0x00007FFA50883000-0x00007FFA50885000-memory.dmp

Filesize
8KB

Download
memory/4932-12-0x000001BC61AD0000-0x000001BC61AF2000-memory.dmp

Filesize
136KB

Download
memory/4932-18-0x00007FFA50880000-0x00007FFA51341000-memory.dmp

Filesize
10.8MB

Download
memory/4932-15-0x00007FFA50880000-0x00007FFA51341000-memory.dmp

Filesize
10.8MB

Download
memory/4932-14-0x00007FFA50880000-0x00007FFA51341000-memory.dmp

Filesize
10.8MB

Download
memory/4932-13-0x00007FFA50880000-0x00007FFA51341000-memory.dmp

Filesize
10.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads