xworm | 286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3

Analysis

max time kernel
148s
max time network
127s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 00:50

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General

Target

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe
Size

59KB
MD5

751c253dc233fee8be72abf963f3be00
SHA1

3c5c0508a7901ebdf8ca202f1d9115eeaec7174f
SHA256

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3
SHA512

081b39c67796ec15cc91fafc278df1cca9ff13cd09ae45523bc03939c18274176075269462e2dbe03e78a2feb2a16aa26717bd61c546b88bdc338e53ee0c63dd
SSDEEP

1536:Lfaf1ruxOnOpLFxOnPmnPpjWKbNDIotKSJxeMneJOK8fCW:DadFqFMnPmnPjbNDMq3uOK8fX

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:8080

Attributes

Install_directory
%Temp%
install_file
XClient.exe

Signatures

Detect Xworm Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2012-1-0x0000000001090000-0x00000000010A4000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Local\Temp\XClient.exe	family_xworm
behavioral1/memory/1816-13-0x0000000000980000-0x0000000000994000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Drops startup file 2 IoCs

Processes:

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

XClient.exeXClient.exe

pid process

1816 XClient.exe
2696 XClient.exe

pid	process
1816	XClient.exe
2696	XClient.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XClient.exe"	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_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

4 ip-api.com
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

2556 schtasks.exe

flow	ioc
4	ip-api.com

pid	process
2556	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exeXClient.exeXClient.exe

description	pid	process
Token: SeDebugPrivilege	2012	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe
Token: SeDebugPrivilege	2012	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe
Token: SeDebugPrivilege	1816	XClient.exe
Token: SeDebugPrivilege	2696	XClient.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exetaskeng.exe

description	pid	process	target process
PID 2012 wrote to memory of 2556	2012	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe	schtasks.exe
PID 2012 wrote to memory of 2556	2012	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe	schtasks.exe
PID 2012 wrote to memory of 2556	2012	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe	schtasks.exe
PID 2612 wrote to memory of 1816	2612	taskeng.exe	XClient.exe
PID 2612 wrote to memory of 1816	2612	taskeng.exe	XClient.exe
PID 2612 wrote to memory of 1816	2612	taskeng.exe	XClient.exe
PID 2612 wrote to memory of 2696	2612	taskeng.exe	XClient.exe
PID 2612 wrote to memory of 2696	2612	taskeng.exe	XClient.exe
PID 2612 wrote to memory of 2696	2612	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\286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012

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\Local\Temp\XClient.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2556

C:\Windows\system32\taskeng.exe
taskeng.exe {7800C2C8-1C85-4C9D-8D3A-2B5CBE35DE37} S-1-5-21-3691908287-3775019229-3534252667-1000:UOTHCPHQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2612

C:\Users\Admin\AppData\Local\Temp\XClient.exe
C:\Users\Admin\AppData\Local\Temp\XClient.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1816

C:\Users\Admin\AppData\Local\Temp\XClient.exe
C:\Users\Admin\AppData\Local\Temp\XClient.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2696

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\XClient.exe
Filesize
59KB

MD5
751c253dc233fee8be72abf963f3be00

SHA1
3c5c0508a7901ebdf8ca202f1d9115eeaec7174f

SHA256
286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3

SHA512
081b39c67796ec15cc91fafc278df1cca9ff13cd09ae45523bc03939c18274176075269462e2dbe03e78a2feb2a16aa26717bd61c546b88bdc338e53ee0c63dd

Download Submit
memory/1816-13-0x0000000000980000-0x0000000000994000-memory.dmp

Filesize
80KB

Download
memory/2012-0-0x000007FEF5693000-0x000007FEF5694000-memory.dmp

Filesize
4KB

Download
memory/2012-1-0x0000000001090000-0x00000000010A4000-memory.dmp

Filesize
80KB

Download
memory/2012-2-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download
memory/2012-7-0x000007FEF5693000-0x000007FEF5694000-memory.dmp

Filesize
4KB

Download
memory/2012-8-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

Filesize
9.9MB

Download