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 3 IoCs

resource	yara_rule
behavioral1/memory/4268-0-0x0000000000130000-0x0000000000146000-memory.dmp	family_xworm
behavioral1/files/0x000c0000000233f3-57.dat	family_xworm
behavioral1/files/0x0007000000023402-61.dat	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
3908	powershell.exe
1704	powershell.exe
4220	powershell.exe
2248	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-1-5-21-2539840389-1261165778-1087677076-1000\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-1-5-21-2539840389-1261165778-1087677076-1000\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
3	ip-api.com

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\Local Settings	7zFM.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\Local Settings	OpenWith.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
3216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1704	powershell.exe
1704	powershell.exe
4220	powershell.exe
4220	powershell.exe
2248	powershell.exe
2248	powershell.exe
3908	powershell.exe
3908	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2824	7zFM.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	cheat.exe
Token: SeDebugPrivilege	1704	powershell.exe
Token: SeDebugPrivilege	4220	powershell.exe
Token: SeDebugPrivilege	2248	powershell.exe
Token: SeDebugPrivilege	3908	powershell.exe
Token: SeDebugPrivilege	4268	cheat.exe
Token: SeRestorePrivilege	2824	7zFM.exe
Token: 35	2824	7zFM.exe
Token: SeSecurityPrivilege	2824	7zFM.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2824	7zFM.exe
2824	7zFM.exe
2824	7zFM.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2968	OpenWith.exe
2968	OpenWith.exe
2968	OpenWith.exe
2968	OpenWith.exe
2968	OpenWith.exe
2968	OpenWith.exe
2968	OpenWith.exe
2968	OpenWith.exe
2968	OpenWith.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 1704	4268	cheat.exe	87
PID 4268 wrote to memory of 1704	4268	cheat.exe	87
PID 4268 wrote to memory of 4220	4268	cheat.exe	89
PID 4268 wrote to memory of 4220	4268	cheat.exe	89
PID 4268 wrote to memory of 2248	4268	cheat.exe	91
PID 4268 wrote to memory of 2248	4268	cheat.exe	91
PID 4268 wrote to memory of 3908	4268	cheat.exe	93
PID 4268 wrote to memory of 3908	4268	cheat.exe	93
PID 4268 wrote to memory of 3216	4268	cheat.exe	95
PID 4268 wrote to memory of 3216	4268	cheat.exe	95
PID 2968 wrote to memory of 1916	2968	OpenWith.exe	104
PID 2968 wrote to memory of 1916	2968	OpenWith.exe	104

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:4268
- 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:1704
- 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:4220
- 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:2248
- 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:3908
- 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:3216

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1932

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Roaming\XClient.exe"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2824

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\7zO80BE3787\.text
  2⤵
  PID:1916

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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
944B

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

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

Filesize
944B

MD5
c0075fff082e65bedf8905bf63deb387

SHA1
f45ff73fb39baf15e74f82deca72300206124c76

SHA256
f71f3a42f0f9229a8dc49807769ddbdf8caad4291816c7c26314e98bb579b21d

SHA512
7d165392ccaee06c4bff5c71e7671fdf9757030f47ab4bad4499cb82e2f96d425aabad010963932653488099580e7a2b21f6520b2337047d82cc892fe8de2d42

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zO80BE3787\.text

Filesize
59KB

MD5
277139760bf9433e276734b2cfb04809

SHA1
28e2f2d32e58561c19839e84717478eaec25838b

SHA256
32f5669157b9d959f7004a79b1ef183cf51397f6cdb907a7948e423909149bde

SHA512
1d0173cf278ee091bdae744d3eafd427cc88ec5c85a534ecf1bf1deb7c50d0f0e261fa4d57b5f31584fbc207fce0557de6ee9f693abf523f40696ee6f98f5fc3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mumktlnf.jxe.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
61KB

MD5
427cae9ddc40f9a7ea51459fc265d9be

SHA1
8c68b6be3529637908878e64a020dd99c3bf98ad

SHA256
4a1a9976a6fc9351ce34db0c601952328f52b526894cea614b51879c065e89a4

SHA512
da5d985814986580a53712df240dad2dd876a16aeebab7e89ddc9968a8d2305dbf1cb695e1fa812ac534f27f1dfabf1be8aedac1f07d1b311163843f905a47a1

Download Submit
memory/1704-14-0x00000276E81B0000-0x00000276E81D2000-memory.dmp

Filesize
136KB

Download
memory/1704-18-0x00007FFD32730000-0x00007FFD331F1000-memory.dmp

Filesize
10.8MB

Download
memory/1704-15-0x00007FFD32730000-0x00007FFD331F1000-memory.dmp

Filesize
10.8MB

Download
memory/1704-9-0x00007FFD32730000-0x00007FFD331F1000-memory.dmp

Filesize
10.8MB

Download
memory/1704-3-0x00007FFD32730000-0x00007FFD331F1000-memory.dmp

Filesize
10.8MB

Download
memory/4268-0-0x0000000000130000-0x0000000000146000-memory.dmp

Filesize
88KB

Download
memory/4268-2-0x00007FFD32730000-0x00007FFD331F1000-memory.dmp

Filesize
10.8MB

Download
memory/4268-58-0x00007FFD32730000-0x00007FFD331F1000-memory.dmp

Filesize
10.8MB

Download
memory/4268-1-0x00007FFD32733000-0x00007FFD32735000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads