xworm | 286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3

Analysis

max time kernel
148s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-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 2 IoCs

Processes:

resource yara_rule

behavioral2/memory/2772-1-0x0000000000040000-0x0000000000054000-memory.dmp family_xworm
C:\Users\Admin\AppData\Local\Temp\XClient.exe family_xworm
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

resource	yara_rule
behavioral2/memory/2772-1-0x0000000000040000-0x0000000000054000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Local\Temp\XClient.exe	family_xworm

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:

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe

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 3 IoCs

Processes:

XClient.exeXClient.exeXClient.exe

pid process

4468 XClient.exe
1920 XClient.exe
2472 XClient.exe

pid	process
4468	XClient.exe
1920	XClient.exe
2472	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-1-5-21-4204450073-1267028356-951339405-1000\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

19 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

3980 schtasks.exe

flow	ioc
19	ip-api.com

pid	process
3980	schtasks.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exeXClient.exeXClient.exeXClient.exe

description	pid	process
Token: SeDebugPrivilege	2772	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe
Token: SeDebugPrivilege	2772	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe
Token: SeDebugPrivilege	4468	XClient.exe
Token: SeDebugPrivilege	1920	XClient.exe
Token: SeDebugPrivilege	2472	XClient.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe

description	pid	process	target process
PID 2772 wrote to memory of 3980	2772	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe	schtasks.exe
PID 2772 wrote to memory of 3980	2772	286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_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\286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772

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:3980

C:\Users\Admin\AppData\Local\Temp\XClient.exe
C:\Users\Admin\AppData\Local\Temp\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4468

C:\Users\Admin\AppData\Local\Temp\XClient.exe
C:\Users\Admin\AppData\Local\Temp\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1920

C:\Users\Admin\AppData\Local\Temp\XClient.exe
C:\Users\Admin\AppData\Local\Temp\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2472

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\Temp\XClient.exe
Filesize
59KB

MD5
751c253dc233fee8be72abf963f3be00

SHA1
3c5c0508a7901ebdf8ca202f1d9115eeaec7174f

SHA256
286d589fa1b617d4586abe5f18ef7416fa5afe706b5e53fb88ea611d17db5be3

SHA512
081b39c67796ec15cc91fafc278df1cca9ff13cd09ae45523bc03939c18274176075269462e2dbe03e78a2feb2a16aa26717bd61c546b88bdc338e53ee0c63dd

Download Submit
memory/2772-0-0x00007FFDBBC53000-0x00007FFDBBC55000-memory.dmp

Filesize
8KB

Download
memory/2772-1-0x0000000000040000-0x0000000000054000-memory.dmp

Filesize
80KB

Download
memory/2772-2-0x00007FFDBBC50000-0x00007FFDBC711000-memory.dmp

Filesize
10.8MB

Download
memory/2772-12-0x00007FFDBBC53000-0x00007FFDBBC55000-memory.dmp

Filesize
8KB

Download
memory/2772-13-0x00007FFDBBC50000-0x00007FFDBC711000-memory.dmp

Filesize
10.8MB

Download
memory/4468-9-0x00007FFDBBC50000-0x00007FFDBC711000-memory.dmp

Filesize
10.8MB

Download
memory/4468-11-0x00007FFDBBC50000-0x00007FFDBC711000-memory.dmp

Filesize
10.8MB

Download