Malware Analysis Report

2024-09-11 15:17

Sample ID 240612-d86mxszepd
Target 1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe
SHA256 abdeebd6d999106b7ebcdf342a5d14cfe072d5ab1b8b72aa8a27d3f31064d29d
Tags
xworm rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

abdeebd6d999106b7ebcdf342a5d14cfe072d5ab1b8b72aa8a27d3f31064d29d

Threat Level: Known bad

The file 1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm

Xworm family

Drops startup file

Executes dropped EXE

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Uses Task Scheduler COM API

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Persistence
TA0003
Scheduled Task/Job
T1053
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-12 03:41

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm family

xworm

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 03:41

Reported

2024-06-12 03:44

Platform

win10v2004-20240611-en

Max time kernel

145s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Xworm

trojan rat xworm

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3648 wrote to memory of 468 N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe C:\Windows\System32\schtasks.exe
PID 3648 wrote to memory of 468 N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe"

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"

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

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

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
N/A 127.0.0.1:55 tcp
N/A 127.0.0.1:55 tcp
N/A 127.0.0.1:55 tcp
N/A 127.0.0.1:55 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 127.0.0.1:55 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:55 tcp

Files

memory/3648-0-0x00007FFCC00F3000-0x00007FFCC00F5000-memory.dmp

memory/3648-1-0x0000000000C70000-0x0000000000C80000-memory.dmp

memory/3648-6-0x00007FFCC00F0000-0x00007FFCC0BB1000-memory.dmp

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

MD5 1b9baa02bf936b4e772b73b8d922ea80
SHA1 1a4d914114d1c11053b8ec740b42d3771b13a22a
SHA256 abdeebd6d999106b7ebcdf342a5d14cfe072d5ab1b8b72aa8a27d3f31064d29d
SHA512 f7c73e1f01cc8f146ab477fa53fdc4387e6eace7aa2b2fc34db8e9f199324c63d0a5c393616463988aee5f373045f3e1077f577c60a7d72e27f194c9ec32eae7

memory/1880-9-0x00007FFCC00F0000-0x00007FFCC0BB1000-memory.dmp

memory/1880-11-0x00007FFCC00F0000-0x00007FFCC0BB1000-memory.dmp

memory/3648-12-0x00007FFCC00F3000-0x00007FFCC00F5000-memory.dmp

memory/3648-13-0x00007FFCC00F0000-0x00007FFCC0BB1000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log

MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 03:41

Reported

2024-06-12 03:44

Platform

win7-20240419-en

Max time kernel

147s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1008 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe C:\Windows\System32\schtasks.exe
PID 1008 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe C:\Windows\System32\schtasks.exe
PID 1008 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe C:\Windows\System32\schtasks.exe
PID 2908 wrote to memory of 2740 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 2908 wrote to memory of 2740 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 2908 wrote to memory of 2740 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 2908 wrote to memory of 1432 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 2908 wrote to memory of 1432 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 2908 wrote to memory of 1432 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 2908 wrote to memory of 1680 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 2908 wrote to memory of 1680 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 2908 wrote to memory of 1680 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\1b9baa02bf936b4e772b73b8d922ea80_NeikiAnalytics.exe"

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"

C:\Windows\system32\taskeng.exe

taskeng.exe {37715F98-FC77-43D3-A5DA-2C0D1BCCB2AB} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]

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

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

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

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

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:55 tcp
N/A 127.0.0.1:55 tcp
N/A 127.0.0.1:55 tcp
N/A 127.0.0.1:55 tcp

Files

memory/1008-0-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp

memory/1008-1-0x0000000000C90000-0x0000000000CA0000-memory.dmp

memory/1008-6-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

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

MD5 1b9baa02bf936b4e772b73b8d922ea80
SHA1 1a4d914114d1c11053b8ec740b42d3771b13a22a
SHA256 abdeebd6d999106b7ebcdf342a5d14cfe072d5ab1b8b72aa8a27d3f31064d29d
SHA512 f7c73e1f01cc8f146ab477fa53fdc4387e6eace7aa2b2fc34db8e9f199324c63d0a5c393616463988aee5f373045f3e1077f577c60a7d72e27f194c9ec32eae7

memory/2740-10-0x0000000000F10000-0x0000000000F20000-memory.dmp

memory/1008-11-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp

memory/1008-12-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

memory/1432-15-0x0000000000170000-0x0000000000180000-memory.dmp

memory/1680-17-0x0000000000380000-0x0000000000390000-memory.dmp