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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2424-1-0x0000000001090000-0x00000000010CC000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\XClient.exe	family_xworm
behavioral1/memory/1664-36-0x00000000010B0000-0x00000000010EC000-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

2768 powershell.exe
2808 powershell.exe
2520 powershell.exe
3004 powershell.exe

pid	process
2768	powershell.exe
2808	powershell.exe
2520	powershell.exe
3004	powershell.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 2 IoCs

Processes:

XClient.exeXClient.exe

pid process

1664 XClient.exe
1264 XClient.exe

pid	process
1664	XClient.exe
1264	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-1-5-21-2737914667-933161113-3798636211-1000\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

2 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

2884 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

pid process

2768 powershell.exe
2808 powershell.exe
2520 powershell.exe
3004 powershell.exe
2424 01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

flow	ioc
2	ip-api.com

pid	process
2884	schtasks.exe

pid	process
2768	powershell.exe
2808	powershell.exe
2520	powershell.exe
3004	powershell.exe
2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeDebugPrivilege	2808	powershell.exe
Token: SeDebugPrivilege	2520	powershell.exe
Token: SeDebugPrivilege	3004	powershell.exe
Token: SeDebugPrivilege	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe
Token: SeDebugPrivilege	1664	XClient.exe
Token: SeDebugPrivilege	1264	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

pid process

2424 01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

pid	process
2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exetaskeng.exe

description	pid	process	target process
PID 2424 wrote to memory of 2768	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2768	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2768	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2808	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2808	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2808	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2520	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2520	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2520	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 3004	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 3004	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 3004	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	powershell.exe
PID 2424 wrote to memory of 2884	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	schtasks.exe
PID 2424 wrote to memory of 2884	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	schtasks.exe
PID 2424 wrote to memory of 2884	2424	01ad65894d5d13f440be975f5e9387e0_NeikiAnalytics.exe	schtasks.exe
PID 1532 wrote to memory of 1664	1532	taskeng.exe	XClient.exe
PID 1532 wrote to memory of 1664	1532	taskeng.exe	XClient.exe
PID 1532 wrote to memory of 1664	1532	taskeng.exe	XClient.exe
PID 1532 wrote to memory of 1264	1532	taskeng.exe	XClient.exe
PID 1532 wrote to memory of 1264	1532	taskeng.exe	XClient.exe
PID 1532 wrote to memory of 1264	1532	taskeng.exe	XClient.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⤵
- 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:2424

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:2768

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:2808

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:2520

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:3004

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:2884

C:\Windows\system32\taskeng.exe
taskeng.exe {98D44B9B-5FCF-44C3-BC3C-9DDE69E8FC53} S-1-5-21-2737914667-933161113-3798636211-1000:PUMARTNR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1532

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1664

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1264

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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

MD5
d87e9927fa5ca0610edadff2aea3784c

SHA1
7b4d6a9a1ccacba480c8e1b3ab468057920447b4

SHA256
420ebe822f182f8810efa1c5cd412f13bedc10d7c27ec2ed406700da6d9a50bf

SHA512
d10a5eec806d76bca3f89888bb433e769c9437b6d9a77e7636dc360e0ccd3ed19785818073f70662f03676d0d94ff043a5bace7ed25800f02f8ae2c4cfd8ba7b

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

MD5
01ad65894d5d13f440be975f5e9387e0

SHA1
5f3aafcb7a63c395584bd84bb54dea05a036b6bc

SHA256
17b42240eb0f61bd8b967fa5ebf0dde68bfb455bf7990cd12dd6d790db4ec8d1

SHA512
3ee9d891f786bc96970ad94c4209da648c3b5c95a737101c104942219432cf6370165785fa2e42406255f419edab508c3cde8ce20707dbb024c88848d0672977

Download Submit
memory/1664-36-0x00000000010B0000-0x00000000010EC000-memory.dmp

Filesize
240KB

Download
memory/2424-0-0x000007FEF5C23000-0x000007FEF5C24000-memory.dmp

Filesize
4KB

Download
memory/2424-1-0x0000000001090000-0x00000000010CC000-memory.dmp

Filesize
240KB

Download
memory/2424-2-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

Filesize
9.9MB

Download
memory/2424-30-0x000007FEF5C23000-0x000007FEF5C24000-memory.dmp

Filesize
4KB

Download
memory/2424-31-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

Filesize
9.9MB

Download
memory/2768-7-0x000000001B680000-0x000000001B962000-memory.dmp

Filesize
2.9MB

Download
memory/2768-8-0x0000000001E00000-0x0000000001E08000-memory.dmp

Filesize
32KB

Download
memory/2808-14-0x000000001B680000-0x000000001B962000-memory.dmp

Filesize
2.9MB

Download
memory/2808-15-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads