xworm | 3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 07:19

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General

Target

3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe
Size

76KB
MD5

bfa88d3a412b0ec251154107940ca850
SHA1

ba36a31c88cf6692730a41bed935369d4cb0f8e7
SHA256

3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde
SHA512

5e5ebb8de9e0cf4b95cf74be3bf547f7cec32cf9179303e19d592f907fb8870094024f9f5a2411f6f4d28b246406da692d7b6393c84c2504852408a618892689
SSDEEP

1536:rlTqvQbR1gDaiGyjM+bmnZ9U6wbOZqggPMl9:rVLgDagjM+bmnWOAg9z

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

91.92.255.37:1111

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral2/memory/4648-1-0x0000000000190000-0x00000000001AA000-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

3512 powershell.exe
4092 powershell.exe
3696 powershell.exe
2708 powershell.exe

resource	yara_rule
behavioral2/memory/4648-1-0x0000000000190000-0x00000000001AA000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\XClient.exe	family_xworm

pid	process
3512	powershell.exe
4092	powershell.exe
3696	powershell.exe
2708	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:

3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

Drops startup file 2 IoCs

Processes:

3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

XClient.exeXClient.exe

pid process

1212 XClient.exe
1820 XClient.exe

pid	process
1212	XClient.exe
1820	XClient.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

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

Processes:

schtasks.exe

pid process

4468 schtasks.exe

pid	process
4468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

pid	process
4092	powershell.exe
4092	powershell.exe
3696	powershell.exe
3696	powershell.exe
2708	powershell.exe
2708	powershell.exe
3512	powershell.exe
3512	powershell.exe
4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exepowershell.exepowershell.exepowershell.exepowershell.exeXClient.exeXClient.exe

description	pid	process
Token: SeDebugPrivilege	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe
Token: SeDebugPrivilege	4092	powershell.exe
Token: SeDebugPrivilege	3696	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	3512	powershell.exe
Token: SeDebugPrivilege	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe
Token: SeDebugPrivilege	1212	XClient.exe
Token: SeDebugPrivilege	1820	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

pid process

4648 3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

pid	process
4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe

description	pid	process	target process
PID 4648 wrote to memory of 4092	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	powershell.exe
PID 4648 wrote to memory of 4092	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	powershell.exe
PID 4648 wrote to memory of 3696	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	powershell.exe
PID 4648 wrote to memory of 3696	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	powershell.exe
PID 4648 wrote to memory of 2708	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	powershell.exe
PID 4648 wrote to memory of 2708	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	powershell.exe
PID 4648 wrote to memory of 3512	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	powershell.exe
PID 4648 wrote to memory of 3512	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	powershell.exe
PID 4648 wrote to memory of 4468	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe	schtasks.exe
PID 4648 wrote to memory of 4468	4648	3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_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\3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_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:4648

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\3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4092

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde_NeikiAnalytics.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3696

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:2708

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:3512

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:4468

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1212

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1820

Network

MITRE ATT&CK Matrix ATT&CK v13

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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
7d9ecfe610b58440e18d2bffe5167d71

SHA1
7afeed064042ef5e614228f678a0c595699c3d84

SHA256
2c42082be2718281fe2a2bf0136bf417ff214ce7c36bc22a40d23adb1d026632

SHA512
017a63c4b81cd256adec796b9258fbae464d32af59cb654a81dd157e02896f50a252c25b6eac07fc6cb44a493b477e7debfaf9999c854dbd3fb34e24ef443c29

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
07ab6cc81c5230a598c0ad1711b6bd97

SHA1
de7e270e12d447dfc5896b7c96777eb32725778a

SHA256
900aa2c83ec8773c3f9705f75b28fff0eaca57f7adb33dc82564d7ea8f8069a3

SHA512
ffef0ad0824ea0fdab29eb3c44448100f79365a1729c7665eba9aef85a88e60901bc6a6c248de15a28d21be9ce5839d68861e4449ff557d8845927c740ba3a25

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rm2igx1t.3fa.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe
Filesize
76KB

MD5
bfa88d3a412b0ec251154107940ca850

SHA1
ba36a31c88cf6692730a41bed935369d4cb0f8e7

SHA256
3f0fcbdd7f5c4dc08e898f875350e448f1a34c0be9bc5c84761e0df460a68cde

SHA512
5e5ebb8de9e0cf4b95cf74be3bf547f7cec32cf9179303e19d592f907fb8870094024f9f5a2411f6f4d28b246406da692d7b6393c84c2504852408a618892689

Download Submit
memory/4092-12-0x00007FFF4ABA0000-0x00007FFF4B661000-memory.dmp

Filesize
10.8MB

Download
memory/4092-17-0x00007FFF4ABA0000-0x00007FFF4B661000-memory.dmp

Filesize
10.8MB

Download
memory/4092-14-0x00007FFF4ABA0000-0x00007FFF4B661000-memory.dmp

Filesize
10.8MB

Download
memory/4092-13-0x00007FFF4ABA0000-0x00007FFF4B661000-memory.dmp

Filesize
10.8MB

Download
memory/4092-7-0x0000028E4F290000-0x0000028E4F2B2000-memory.dmp

Filesize
136KB

Download
memory/4648-0-0x00007FFF4ABA3000-0x00007FFF4ABA5000-memory.dmp

Filesize
8KB

Download
memory/4648-56-0x00007FFF4ABA0000-0x00007FFF4B661000-memory.dmp

Filesize
10.8MB

Download
memory/4648-57-0x00007FFF4ABA3000-0x00007FFF4ABA5000-memory.dmp

Filesize
8KB

Download
memory/4648-58-0x00007FFF4ABA0000-0x00007FFF4B661000-memory.dmp

Filesize
10.8MB

Download
memory/4648-1-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download