xworm | 668e1915843fce533abb874f9933deb6136103f5f31d09847a1e086fbaa18e9b

General

Target

029acdc2e958ec708b40a237f681ae75.exe
Size

72KB
MD5

029acdc2e958ec708b40a237f681ae75
SHA1

3c1ea5e5639bc18153410208429a87a64075a23c
SHA256

668e1915843fce533abb874f9933deb6136103f5f31d09847a1e086fbaa18e9b
SHA512

96cbe9b27f619831c7d38eb4f8922e53fd3c710af067bb64748aa89de07442b081b7c522dd1da5e659c501e72461b10de1c3883aa19815d9b030843d02c0ceca
SSDEEP

1536:Y0oRipEs7aFqa6XfhIQiMjA/DbO/MoBGM1rujK6gYSOsFbJY:Y0iU7aFqaSRDjKDbO/9N1USOsDY

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

european-ba.gl.at.ply.gg:14522

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4376-1-0x0000000000A40000-0x0000000000A58000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\svchost.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

1552 powershell.exe
2764 powershell.exe
3240 powershell.exe
1792 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:

029acdc2e958ec708b40a237f681ae75.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	029acdc2e958ec708b40a237f681ae75.exe

Drops startup file 2 IoCs

Processes:

029acdc2e958ec708b40a237f681ae75.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	029acdc2e958ec708b40a237f681ae75.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	029acdc2e958ec708b40a237f681ae75.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

3256 svchost.exe
1420 svchost.exe

pid	process
3256	svchost.exe
1420	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

029acdc2e958ec708b40a237f681ae75.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	029acdc2e958ec708b40a237f681ae75.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

13 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3620 schtasks.exe

flow	ioc
13	ip-api.com

pid	process
3620	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe029acdc2e958ec708b40a237f681ae75.exe

pid	process
1552	powershell.exe
1552	powershell.exe
2764	powershell.exe
2764	powershell.exe
3240	powershell.exe
3240	powershell.exe
1792	powershell.exe
1792	powershell.exe
4376	029acdc2e958ec708b40a237f681ae75.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

029acdc2e958ec708b40a237f681ae75.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4376	029acdc2e958ec708b40a237f681ae75.exe
Token: SeDebugPrivilege	1552	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	3240	powershell.exe
Token: SeDebugPrivilege	1792	powershell.exe
Token: SeDebugPrivilege	4376	029acdc2e958ec708b40a237f681ae75.exe
Token: SeDebugPrivilege	3256	svchost.exe
Token: SeDebugPrivilege	1420	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

029acdc2e958ec708b40a237f681ae75.exe

pid process

4376 029acdc2e958ec708b40a237f681ae75.exe

pid	process
4376	029acdc2e958ec708b40a237f681ae75.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

029acdc2e958ec708b40a237f681ae75.exe

description	pid	process	target process
PID 4376 wrote to memory of 1552	4376	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 4376 wrote to memory of 1552	4376	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 4376 wrote to memory of 2764	4376	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 4376 wrote to memory of 2764	4376	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 4376 wrote to memory of 3240	4376	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 4376 wrote to memory of 3240	4376	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 4376 wrote to memory of 1792	4376	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 4376 wrote to memory of 1792	4376	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 4376 wrote to memory of 3620	4376	029acdc2e958ec708b40a237f681ae75.exe	schtasks.exe
PID 4376 wrote to memory of 3620	4376	029acdc2e958ec708b40a237f681ae75.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\029acdc2e958ec708b40a237f681ae75.exe
"C:\Users\Admin\AppData\Local\Temp\029acdc2e958ec708b40a237f681ae75.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:4376

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\029acdc2e958ec708b40a237f681ae75.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1552

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '029acdc2e958ec708b40a237f681ae75.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2764

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\svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3240

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1792

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Creates scheduled task(s)
PID:3620

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3256

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1420

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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\CLR_v4.0\UsageLogs\svchost.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

MD5
ecceac16628651c18879d836acfcb062

SHA1
420502b3e5220a01586c59504e94aa1ee11982c9

SHA256
58238de09a8817ed9f894ed8e5bf06a897fd08e0b0bd77e508d37b2598edd2a9

SHA512
be3c7cb529cafb00f58790a6f8b35c4ff6db9f7f43a507d2218fd80cebc88413e46f71b1bc35b8afcc36b68f9409c946470d1e74a4fe225400eeb6f3f898f5b3

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

MD5
1fee44d99fc4afa998e1fbe887d4133f

SHA1
4ce4177db7e940ba0b7adf9ce7fa5dc0732481f3

SHA256
43dc153f22a8d306e0c130d1231bb60778c6f4e0bd20be875e79771c71392391

SHA512
a6abcb17b4c739f96172f7dc6ee5ba9e8e2c6c73286d1af85644b3cae1c18cfc4613bf84d0d88eff4d952cf4bb66161309dc1293b2d9a45841024d1260d73a4d

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

MD5
8f659389c6e21eb0c627fbae833500c7

SHA1
ae632f1e4af08587934ff168155b30e2b28d7475

SHA256
a12763453f79453dd8f25f0c90d001ffb5d409ec698491666c9f076c6bc60d8c

SHA512
f4849e0b1d6ab3d4dd054f590a359af8dd1b9d3df2ad78033ad1a59ebafb1ca96aa76fa9061a466d74e8e3266dc882818d79db47908b21ca3ef8be20e427d327

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qaypbnvk.v0k.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
72KB

MD5
029acdc2e958ec708b40a237f681ae75

SHA1
3c1ea5e5639bc18153410208429a87a64075a23c

SHA256
668e1915843fce533abb874f9933deb6136103f5f31d09847a1e086fbaa18e9b

SHA512
96cbe9b27f619831c7d38eb4f8922e53fd3c710af067bb64748aa89de07442b081b7c522dd1da5e659c501e72461b10de1c3883aa19815d9b030843d02c0ceca

Download Submit
memory/1552-10-0x00000156F9790000-0x00000156F97B2000-memory.dmp

Filesize
136KB

Download
memory/1552-17-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

Filesize
10.8MB

Download
memory/1552-4-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

Filesize
10.8MB

Download
memory/1552-3-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

Filesize
10.8MB

Download
memory/2764-30-0x0000012EC6490000-0x0000012EC66AC000-memory.dmp

Filesize
2.1MB

Download
memory/4376-2-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

Filesize
10.8MB

Download
memory/4376-0-0x00007FF84DF63000-0x00007FF84DF65000-memory.dmp

Filesize
8KB

Download
memory/4376-57-0x00007FF84DF63000-0x00007FF84DF65000-memory.dmp

Filesize
8KB

Download
memory/4376-58-0x00007FF84DF60000-0x00007FF84EA21000-memory.dmp

Filesize
10.8MB

Download
memory/4376-1-0x0000000000A40000-0x0000000000A58000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads