xworm | 17b42240eb0f61bd8b967fa5ebf0dde68bfb455bf7990cd12dd6d790db4ec8d1

General

Target

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe
Size

216KB
MD5

01ad65894d5d13f440be975f5e9387e0
SHA1

5f3aafcb7a63c395584bd84bb54dea05a036b6bc
SHA256

17b42240eb0f61bd8b967fa5ebf0dde68bfb455bf7990cd12dd6d790db4ec8d1
SHA512

3ee9d891f786bc96970ad94c4209da648c3b5c95a737101c104942219432cf6370165785fa2e42406255f419edab508c3cde8ce20707dbb024c88848d0672977
SSDEEP

3072:94/jX/rIJbjM/bdZb9KO6up8SKfbzxcwg7es6/Vsb8VKTu549oJMfF/H9N3Ky9NP:m/EbsuOlUhcX7elbKTua9bfF/H9d9n

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7000

141.11.109.151:7000

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4204-0-0x0000000000010000-0x000000000004C000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\XClient.exe	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

1864 powershell.exe
972 powershell.exe
948 powershell.exe
8 powershell.exe

pid	process
1864	powershell.exe
972	powershell.exe
948	powershell.exe
8	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:

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

Drops startup file 2 IoCs

Processes:

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

Executes dropped EXE 3 IoCs

Processes:

XClient.exeXClient.exeXClient.exe

pid process

1888 XClient.exe
4100 XClient.exe
5112 XClient.exe

pid	process
1888	XClient.exe
4100	XClient.exe
5112	XClient.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.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

14 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

632 schtasks.exe

flow	ioc
14	ip-api.com

pid	process
632	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

pid	process
8	powershell.exe
8	powershell.exe
1864	powershell.exe
1864	powershell.exe
972	powershell.exe
972	powershell.exe
948	powershell.exe
948	powershell.exe
4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exepowershell.exepowershell.exepowershell.exepowershell.exeXClient.exeXClient.exeXClient.exe

description	pid	process
Token: SeDebugPrivilege	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe
Token: SeDebugPrivilege	8	powershell.exe
Token: SeDebugPrivilege	1864	powershell.exe
Token: SeDebugPrivilege	972	powershell.exe
Token: SeDebugPrivilege	948	powershell.exe
Token: SeDebugPrivilege	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe
Token: SeDebugPrivilege	1888	XClient.exe
Token: SeDebugPrivilege	4100	XClient.exe
Token: SeDebugPrivilege	5112	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

pid process

4204 01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

pid	process
4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

description	pid	process	target process
PID 4204 wrote to memory of 8	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 4204 wrote to memory of 8	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 4204 wrote to memory of 1864	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 4204 wrote to memory of 1864	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 4204 wrote to memory of 972	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 4204 wrote to memory of 972	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 4204 wrote to memory of 948	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 4204 wrote to memory of 948	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 4204 wrote to memory of 632	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	schtasks.exe
PID 4204 wrote to memory of 632	4204	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.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\01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.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:4204

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\01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1864

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:972

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:948

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⤵
- Creates scheduled task(s)
PID:632

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1888

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4100

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5112

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

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\XClient.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
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
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

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\Temp\__PSScriptPolicyTest_aphkn0rf.wj4.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe
Filesize
216KB

MD5
01ad65894d5d13f440be975f5e9387e0

SHA1
5f3aafcb7a63c395584bd84bb54dea05a036b6bc

SHA256
17b42240eb0f61bd8b967fa5ebf0dde68bfb455bf7990cd12dd6d790db4ec8d1

SHA512
3ee9d891f786bc96970ad94c4209da648c3b5c95a737101c104942219432cf6370165785fa2e42406255f419edab508c3cde8ce20707dbb024c88848d0672977

Download Submit
memory/8-18-0x00007FFDCDDE0000-0x00007FFDCE8A1000-memory.dmp

Filesize
10.8MB

Download
memory/8-15-0x00007FFDCDDE0000-0x00007FFDCE8A1000-memory.dmp

Filesize
10.8MB

Download
memory/8-14-0x00007FFDCDDE0000-0x00007FFDCE8A1000-memory.dmp

Filesize
10.8MB

Download
memory/8-13-0x0000024D6CD20000-0x0000024D6CD42000-memory.dmp

Filesize
136KB

Download
memory/8-3-0x00007FFDCDDE0000-0x00007FFDCE8A1000-memory.dmp

Filesize
10.8MB

Download
memory/972-42-0x000001C7EF600000-0x000001C7EF81C000-memory.dmp

Filesize
2.1MB

Download
memory/4204-0-0x0000000000010000-0x000000000004C000-memory.dmp

Filesize
240KB

Download
memory/4204-2-0x00007FFDCDDE0000-0x00007FFDCE8A1000-memory.dmp

Filesize
10.8MB

Download
memory/4204-61-0x00007FFDCDDE3000-0x00007FFDCDDE5000-memory.dmp

Filesize
8KB

Download
memory/4204-62-0x00007FFDCDDE0000-0x00007FFDCE8A1000-memory.dmp

Filesize
10.8MB

Download
memory/4204-1-0x00007FFDCDDE3000-0x00007FFDCDDE5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads