xworm | bc52fd4f33693de583c71f980d5b61ec2991ffdb915da00d2b52eec109ef1b17

Analysis

max time kernel
33s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2024, 16:06

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General

Target

LIST.ITEMS.exe
Size

556KB
MD5

d7c03169dbdd363163dbfc5119738c61
SHA1

e51f6fe9f9422c054d7b33e949981239ef3355eb
SHA256

c304f5610e7059e7eb2100f0de1e6c1bbeeaa75d746f75e3561eee5b7fb0ac92
SHA512

bbf5eba23c466a478ec381c127a70fc8e1ca7e0b744cf89606341df918b2d40c5c71f29a1f19532c5a83f886e75393e3744d9ae4f4b9862af22d08e596978dec
SSDEEP

12288:qI/rXQ9TZwetjcQaBJLJ/yd4bIhX3KVaV910N4VtndapxbzVykR:/atjdSJ/HIhHKa9GNitApVzr

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

savelat19847.duckdns.org:7000

Mutex

sL1COlJF2Dst73el

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2264-24-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2624	powershell.exe
4416	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	LIST.ITEMS.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4768 set thread context of 2264	4768	LIST.ITEMS.exe	102

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LIST.ITEMS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LIST.ITEMS.exe

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

pid	Process
2976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4768	LIST.ITEMS.exe
4768	LIST.ITEMS.exe
4768	LIST.ITEMS.exe
4768	LIST.ITEMS.exe
4768	LIST.ITEMS.exe
4768	LIST.ITEMS.exe
4416	powershell.exe
4416	powershell.exe
4768	LIST.ITEMS.exe
4768	LIST.ITEMS.exe
4768	LIST.ITEMS.exe
4768	LIST.ITEMS.exe
2624	powershell.exe
2624	powershell.exe
4416	powershell.exe
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	LIST.ITEMS.exe
Token: SeDebugPrivilege	4416	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 4416	4768	LIST.ITEMS.exe	95
PID 4768 wrote to memory of 4416	4768	LIST.ITEMS.exe	95
PID 4768 wrote to memory of 4416	4768	LIST.ITEMS.exe	95
PID 4768 wrote to memory of 2624	4768	LIST.ITEMS.exe	97
PID 4768 wrote to memory of 2624	4768	LIST.ITEMS.exe	97
PID 4768 wrote to memory of 2624	4768	LIST.ITEMS.exe	97
PID 4768 wrote to memory of 2976	4768	LIST.ITEMS.exe	99
PID 4768 wrote to memory of 2976	4768	LIST.ITEMS.exe	99
PID 4768 wrote to memory of 2976	4768	LIST.ITEMS.exe	99
PID 4768 wrote to memory of 5104	4768	LIST.ITEMS.exe	101
PID 4768 wrote to memory of 5104	4768	LIST.ITEMS.exe	101
PID 4768 wrote to memory of 5104	4768	LIST.ITEMS.exe	101
PID 4768 wrote to memory of 2264	4768	LIST.ITEMS.exe	102
PID 4768 wrote to memory of 2264	4768	LIST.ITEMS.exe	102
PID 4768 wrote to memory of 2264	4768	LIST.ITEMS.exe	102
PID 4768 wrote to memory of 2264	4768	LIST.ITEMS.exe	102
PID 4768 wrote to memory of 2264	4768	LIST.ITEMS.exe	102
PID 4768 wrote to memory of 2264	4768	LIST.ITEMS.exe	102
PID 4768 wrote to memory of 2264	4768	LIST.ITEMS.exe	102
PID 4768 wrote to memory of 2264	4768	LIST.ITEMS.exe	102

C:\Users\Admin\AppData\Local\Temp\LIST.ITEMS.exe
"C:\Users\Admin\AppData\Local\Temp\LIST.ITEMS.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\LIST.ITEMS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4416
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RaKnUqrXb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RaKnUqrXb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE2AF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2976
- C:\Users\Admin\AppData\Local\Temp\LIST.ITEMS.exe
  "C:\Users\Admin\AppData\Local\Temp\LIST.ITEMS.exe"
  2⤵
  PID:5104
- C:\Users\Admin\AppData\Local\Temp\LIST.ITEMS.exe
  "C:\Users\Admin\AppData\Local\Temp\LIST.ITEMS.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LIST.ITEMS.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_endgcdgf.zaj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE2AF.tmp

Filesize
1KB

MD5
3478b5ee0c32dd3a328ea2c8102b2438

SHA1
646efda46fab0a27ca022e1fd5f3e66837376709

SHA256
76ab68e7fff7e87541a06855757b9c5fed2926eeec66eaf9401932e8db370806

SHA512
4193bbb84780ccd0e51f1dd0bcb1de25ca87286160f9547d4fd0617312216d57189a28061950947cd879af0edff6aa92b84dc6007688933cecadf403738fd84f

Download Submit
memory/2264-24-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2624-55-0x00000000752A0000-0x00000000752EC000-memory.dmp

Filesize
304KB

Download
memory/2624-76-0x0000000007CB0000-0x000000000832A000-memory.dmp

Filesize
6.5MB

Download
memory/2624-79-0x0000000007870000-0x0000000007881000-memory.dmp

Filesize
68KB

Download
memory/2624-51-0x00000000063E0000-0x000000000642C000-memory.dmp

Filesize
304KB

Download
memory/2624-50-0x0000000006350000-0x000000000636E000-memory.dmp

Filesize
120KB

Download
memory/2624-20-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2624-80-0x00000000078A0000-0x00000000078AE000-memory.dmp

Filesize
56KB

Download
memory/2624-38-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2624-83-0x0000000007990000-0x0000000007998000-memory.dmp

Filesize
32KB

Download
memory/2624-87-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/2624-25-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-40-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-75-0x00000000078C0000-0x00000000078DA000-memory.dmp

Filesize
104KB

Download
memory/4416-22-0x0000000005EF0000-0x0000000005F56000-memory.dmp

Filesize
408KB

Download
memory/4416-18-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-17-0x0000000005790000-0x0000000005DB8000-memory.dmp

Filesize
6.2MB

Download
memory/4416-16-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-15-0x0000000005040000-0x0000000005076000-memory.dmp

Filesize
216KB

Download
memory/4416-86-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-82-0x0000000007C00000-0x0000000007C1A000-memory.dmp

Filesize
104KB

Download
memory/4416-81-0x0000000007B00000-0x0000000007B14000-memory.dmp

Filesize
80KB

Download
memory/4416-28-0x0000000005FD0000-0x0000000006324000-memory.dmp

Filesize
3.3MB

Download
memory/4416-21-0x0000000005700000-0x0000000005722000-memory.dmp

Filesize
136KB

Download
memory/4416-78-0x0000000007B40000-0x0000000007BD6000-memory.dmp

Filesize
600KB

Download
memory/4416-23-0x0000000005F60000-0x0000000005FC6000-memory.dmp

Filesize
408KB

Download
memory/4416-77-0x0000000007930000-0x000000000793A000-memory.dmp

Filesize
40KB

Download
memory/4416-52-0x0000000006B50000-0x0000000006B82000-memory.dmp

Filesize
200KB

Download
memory/4416-53-0x00000000752A0000-0x00000000752EC000-memory.dmp

Filesize
304KB

Download
memory/4416-74-0x0000000007780000-0x0000000007823000-memory.dmp

Filesize
652KB

Download
memory/4416-64-0x0000000006B30000-0x0000000006B4E000-memory.dmp

Filesize
120KB

Download
memory/4768-6-0x0000000005240000-0x000000000525C000-memory.dmp

Filesize
112KB

Download
memory/4768-5-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-7-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/4768-8-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-9-0x00000000027E0000-0x0000000002830000-memory.dmp

Filesize
320KB

Download
memory/4768-4-0x0000000004E30000-0x0000000004E3A000-memory.dmp

Filesize
40KB

Download
memory/4768-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp

Filesize
584KB

Download
memory/4768-10-0x000000000CE10000-0x000000000CEAC000-memory.dmp

Filesize
624KB

Download
memory/4768-39-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4768-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/4768-1-0x00000000003A0000-0x000000000042E000-memory.dmp

Filesize
568KB

Download
memory/4768-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download