xworm | bc52fd4f33693de583c71f980d5b61ec2991ffdb915da00d2b52eec109ef1b17

Analysis

max time kernel
148s
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, 16:02

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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/576-24-0x0000000000400000-0x000000000040E000-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
1804	powershell.exe
3280	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	LIST.ITEMS.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 576	2028	LIST.ITEMS.exe	106

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
1460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2028	LIST.ITEMS.exe
2028	LIST.ITEMS.exe
2028	LIST.ITEMS.exe
2028	LIST.ITEMS.exe
2028	LIST.ITEMS.exe
2028	LIST.ITEMS.exe
3280	powershell.exe
1804	powershell.exe
2028	LIST.ITEMS.exe
2028	LIST.ITEMS.exe
1804	powershell.exe
3280	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	LIST.ITEMS.exe
Token: SeDebugPrivilege	1804	powershell.exe
Token: SeDebugPrivilege	3280	powershell.exe
Token: SeDebugPrivilege	576	LIST.ITEMS.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1804	2028	LIST.ITEMS.exe	100
PID 2028 wrote to memory of 1804	2028	LIST.ITEMS.exe	100
PID 2028 wrote to memory of 1804	2028	LIST.ITEMS.exe	100
PID 2028 wrote to memory of 3280	2028	LIST.ITEMS.exe	102
PID 2028 wrote to memory of 3280	2028	LIST.ITEMS.exe	102
PID 2028 wrote to memory of 3280	2028	LIST.ITEMS.exe	102
PID 2028 wrote to memory of 1460	2028	LIST.ITEMS.exe	104
PID 2028 wrote to memory of 1460	2028	LIST.ITEMS.exe	104
PID 2028 wrote to memory of 1460	2028	LIST.ITEMS.exe	104
PID 2028 wrote to memory of 576	2028	LIST.ITEMS.exe	106
PID 2028 wrote to memory of 576	2028	LIST.ITEMS.exe	106
PID 2028 wrote to memory of 576	2028	LIST.ITEMS.exe	106
PID 2028 wrote to memory of 576	2028	LIST.ITEMS.exe	106
PID 2028 wrote to memory of 576	2028	LIST.ITEMS.exe	106
PID 2028 wrote to memory of 576	2028	LIST.ITEMS.exe	106
PID 2028 wrote to memory of 576	2028	LIST.ITEMS.exe	106
PID 2028 wrote to memory of 576	2028	LIST.ITEMS.exe	106

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:2028
- 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:1804
- 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:3280
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RaKnUqrXb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D66.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1460
- 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
  - Suspicious use of AdjustPrivilegeToken
  PID:576

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

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jjshdvn3.jhf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1D66.tmp

Filesize
1KB

MD5
bdb5e45a4d8f5e68c9ff43a987d20cca

SHA1
84479cdc449f6c752851d73d311358e2460631d1

SHA256
63e1e51fd30cc4f47ac200e663c25697ab6af8ed152a80cceff46868f48c7aa8

SHA512
e11b99bd8a21fa556cb60be211920e496a6580099f582fee9d6dba66d151b95863395658b6a953982734970c985bdc0b1266254f28c9358acfcff5ebcaa87ffd

Download Submit
memory/576-24-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1804-33-0x0000000005410000-0x0000000005476000-memory.dmp

Filesize
408KB

Download
memory/1804-66-0x0000000074DB0000-0x0000000074DFC000-memory.dmp

Filesize
304KB

Download
memory/1804-48-0x0000000005580000-0x00000000058D4000-memory.dmp

Filesize
3.3MB

Download
memory/1804-87-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1804-82-0x0000000007090000-0x0000000007098000-memory.dmp

Filesize
32KB

Download
memory/1804-80-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

Filesize
80KB

Download
memory/1804-78-0x0000000006F70000-0x0000000006F81000-memory.dmp

Filesize
68KB

Download
memory/1804-15-0x0000000002130000-0x0000000002166000-memory.dmp

Filesize
216KB

Download
memory/1804-17-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1804-16-0x0000000004D00000-0x0000000005328000-memory.dmp

Filesize
6.2MB

Download
memory/1804-18-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1804-19-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1804-77-0x0000000006FF0000-0x0000000007086000-memory.dmp

Filesize
600KB

Download
memory/1804-32-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/1804-22-0x0000000004C80000-0x0000000004CA2000-memory.dmp

Filesize
136KB

Download
memory/2028-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2028-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/2028-7-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2028-1-0x0000000000830000-0x00000000008BE000-memory.dmp

Filesize
568KB

Download
memory/2028-4-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/2028-5-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/2028-47-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/2028-6-0x00000000056A0000-0x00000000056BC000-memory.dmp

Filesize
112KB

Download
memory/2028-8-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/2028-9-0x0000000002CB0000-0x0000000002D00000-memory.dmp

Filesize
320KB

Download
memory/2028-10-0x000000000D300000-0x000000000D39C000-memory.dmp

Filesize
624KB

Download
memory/2028-2-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/3280-81-0x0000000007160000-0x000000000717A000-memory.dmp

Filesize
104KB

Download
memory/3280-51-0x0000000006C70000-0x0000000006CA2000-memory.dmp

Filesize
200KB

Download
memory/3280-64-0x0000000007460000-0x0000000007ADA000-memory.dmp

Filesize
6.5MB

Download
memory/3280-65-0x0000000006E20000-0x0000000006E3A000-memory.dmp

Filesize
104KB

Download
memory/3280-23-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/3280-76-0x0000000006E90000-0x0000000006E9A000-memory.dmp

Filesize
40KB

Download
memory/3280-20-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/3280-62-0x0000000006C50000-0x0000000006C6E000-memory.dmp

Filesize
120KB

Download
memory/3280-79-0x0000000007050000-0x000000000705E000-memory.dmp

Filesize
56KB

Download
memory/3280-50-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

Filesize
304KB

Download
memory/3280-63-0x0000000006CC0000-0x0000000006D63000-memory.dmp

Filesize
652KB

Download
memory/3280-49-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

Filesize
120KB

Download
memory/3280-52-0x0000000074DB0000-0x0000000074DFC000-memory.dmp

Filesize
304KB

Download
memory/3280-86-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/3280-25-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download