xworm | f59e1de9448a13b3afb5f324ce6e84578e583da621464776e52074d3b3573536

Analysis

max time kernel
149s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 02:37

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General

Target

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
Size

57KB
MD5

90a6868b7ce2020387d453aa38668584
SHA1

7bde411bb0d7b6aa7a020266a61ce0d61ef0b362
SHA256

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a
SHA512

243c6010cbee28f5181383565a00c22375828f8b5293d35d9512adb249a4fadfd04eab3fb7b9789d6e1bea39f1cf513439e0f7d72ecb69e00a16e8f6d7f0efcc
SSDEEP

1536:Liu7HktvnRa+lZrOY/FJ9N76iOCweg662XkhiYYtG:LiftnZCgFJ9NTOCql2XkUYYtG

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

hardware-bands.gl.at.ply.gg:63257

Mutex

GRHeRJRFnCzlkxGI

Attributes

Install_directory
%AppData%
install_file
DiscordAutoUpdate.exe

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2340-1-0x0000000001390000-0x00000000013A4000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe	family_xworm
behavioral1/memory/2184-36-0x0000000000B90000-0x0000000000BA4000-memory.dmp	family_xworm
behavioral1/memory/1664-39-0x0000000000370000-0x0000000000384000-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

2680 powershell.exe
2616 powershell.exe
2452 powershell.exe
2164 powershell.exe

pid	process
2680	powershell.exe
2616	powershell.exe
2452	powershell.exe
2164	powershell.exe

Drops startup file 2 IoCs

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DiscordAutoUpdate.lnk	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DiscordAutoUpdate.lnk	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

Executes dropped EXE 2 IoCs

Processes:

DiscordAutoUpdate.exeDiscordAutoUpdate.exe

pid process

2184 DiscordAutoUpdate.exe
1664 DiscordAutoUpdate.exe

pid	process
2184	DiscordAutoUpdate.exe
1664	DiscordAutoUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\DiscordAutoUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\DiscordAutoUpdate.exe"	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.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

2920 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exed2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

pid process

2680 powershell.exe
2616 powershell.exe
2452 powershell.exe
2164 powershell.exe
2340 d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

flow	ioc
4	ip-api.com

pid	process
2920	schtasks.exe

pid	process
2680	powershell.exe
2616	powershell.exe
2452	powershell.exe
2164	powershell.exe
2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exepowershell.exepowershell.exepowershell.exepowershell.exeDiscordAutoUpdate.exeDiscordAutoUpdate.exe

description	pid	process
Token: SeDebugPrivilege	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	2452	powershell.exe
Token: SeDebugPrivilege	2164	powershell.exe
Token: SeDebugPrivilege	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
Token: SeDebugPrivilege	2184	DiscordAutoUpdate.exe
Token: SeDebugPrivilege	1664	DiscordAutoUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

pid process

2340 d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

pid	process
2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exetaskeng.exe

description	pid	process	target process
PID 2340 wrote to memory of 2680	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2680	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2680	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2616	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2616	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2616	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2452	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2452	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2452	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2164	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2164	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2164	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 2340 wrote to memory of 2920	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	schtasks.exe
PID 2340 wrote to memory of 2920	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	schtasks.exe
PID 2340 wrote to memory of 2920	2340	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	schtasks.exe
PID 776 wrote to memory of 2184	776	taskeng.exe	DiscordAutoUpdate.exe
PID 776 wrote to memory of 2184	776	taskeng.exe	DiscordAutoUpdate.exe
PID 776 wrote to memory of 2184	776	taskeng.exe	DiscordAutoUpdate.exe
PID 776 wrote to memory of 1664	776	taskeng.exe	DiscordAutoUpdate.exe
PID 776 wrote to memory of 1664	776	taskeng.exe	DiscordAutoUpdate.exe
PID 776 wrote to memory of 1664	776	taskeng.exe	DiscordAutoUpdate.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\d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
"C:\Users\Admin\AppData\Local\Temp\d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.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:2340

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\d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616

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\DiscordAutoUpdate.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2452

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'DiscordAutoUpdate.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2164

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "DiscordAutoUpdate" /tr "C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2920

C:\Windows\system32\taskeng.exe
taskeng.exe {C56986E1-86DC-4B4E-8E1A-1B24CA65B1BE} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:776

C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe
C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2184

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

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe
Filesize
57KB

MD5
90a6868b7ce2020387d453aa38668584

SHA1
7bde411bb0d7b6aa7a020266a61ce0d61ef0b362

SHA256
d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a

SHA512
243c6010cbee28f5181383565a00c22375828f8b5293d35d9512adb249a4fadfd04eab3fb7b9789d6e1bea39f1cf513439e0f7d72ecb69e00a16e8f6d7f0efcc

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

MD5
8a168c34b2571dd9a69d3085e08bf78a

SHA1
0126d1acac979f79c30211e6711ba17cbda4b4aa

SHA256
09e7b1068055ca029e0fd128f9f622d8fa9db80098b697ed8623c4ca92e37133

SHA512
665225543f321d5f93ef36570f85b367b949e74068f3ed8c410fba23708fd12ed3770c4535e3ea5e9e0c92e29c612527a7f8b796d8d86466cf3f8b861a84eec7

Download Submit
memory/1664-39-0x0000000000370000-0x0000000000384000-memory.dmp

Filesize
80KB

Download
memory/2184-36-0x0000000000B90000-0x0000000000BA4000-memory.dmp

Filesize
80KB

Download
memory/2340-31-0x000007FEF5A13000-0x000007FEF5A14000-memory.dmp

Filesize
4KB

Download
memory/2340-0-0x000007FEF5A13000-0x000007FEF5A14000-memory.dmp

Filesize
4KB

Download
memory/2340-32-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

Filesize
9.9MB

Download
memory/2340-2-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

Filesize
9.9MB

Download
memory/2340-1-0x0000000001390000-0x00000000013A4000-memory.dmp

Filesize
80KB

Download
memory/2616-15-0x000000001B570000-0x000000001B852000-memory.dmp

Filesize
2.9MB

Download
memory/2616-16-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download
memory/2680-9-0x0000000001F50000-0x0000000001F58000-memory.dmp

Filesize
32KB

Download
memory/2680-8-0x000000001B740000-0x000000001BA22000-memory.dmp

Filesize
2.9MB

Download
memory/2680-7-0x0000000002D00000-0x0000000002D80000-memory.dmp

Filesize
512KB

Download