xworm | 6af699d5b423e9a27be4422622b30d0d3e8ebdd259e192ed535c89183f266315

General

Target

Loader.exe
Size

60KB
MD5

5aa0bf1d5dc1e0b454a0db99b6f5f854
SHA1

e0e693a23154ba031c06ddaa6927277d303ab6fc
SHA256

6af699d5b423e9a27be4422622b30d0d3e8ebdd259e192ed535c89183f266315
SHA512

5d82a3606dcc7a03e92c9948333249b082a4e341342918db93113a13565bc08a447f943ceb60b1a2782ff026d784358bf5f2648ff09cfe41be4a5210747b2880
SSDEEP

1536:PQXTdHRSiY4TLufp7NkbTNr9QSxu6rOLlIKgy:PedHEiY8SRNkbTQSFOLlIKgy

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

parents-roy.gl.at.ply.gg:13511

Attributes

Install_directory
%Temp%
install_file
Update.exe

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4048-1-0x0000000000A50000-0x0000000000A66000-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

3988 powershell.exe
4704 powershell.exe
2984 powershell.exe
4948 powershell.exe

pid	process
3988	powershell.exe
4704	powershell.exe
2984	powershell.exe
4948	powershell.exe

Drops startup file 2 IoCs

Processes:

Loader.exe

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

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
2984	powershell.exe
2984	powershell.exe
4948	powershell.exe
4948	powershell.exe
3988	powershell.exe
3988	powershell.exe
4704	powershell.exe
4704	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Loader.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4048	Loader.exe
Token: SeDebugPrivilege	2984	powershell.exe
Token: SeDebugPrivilege	4948	powershell.exe
Token: SeDebugPrivilege	3988	powershell.exe
Token: SeDebugPrivilege	4704	powershell.exe
Token: SeDebugPrivilege	4048	Loader.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Loader.exe

description	pid	process	target process
PID 4048 wrote to memory of 2984	4048	Loader.exe	powershell.exe
PID 4048 wrote to memory of 2984	4048	Loader.exe	powershell.exe
PID 4048 wrote to memory of 4948	4048	Loader.exe	powershell.exe
PID 4048 wrote to memory of 4948	4048	Loader.exe	powershell.exe
PID 4048 wrote to memory of 3988	4048	Loader.exe	powershell.exe
PID 4048 wrote to memory of 3988	4048	Loader.exe	powershell.exe
PID 4048 wrote to memory of 4704	4048	Loader.exe	powershell.exe
PID 4048 wrote to memory of 4704	4048	Loader.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4048

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\Loader.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2984

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Loader.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4948

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\Update.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3988

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Update.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4704

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

MD5
05b3cd21c1ec02f04caba773186ee8d0

SHA1
39e790bfe10abf55b74dfb3603df8fcf6b5e6edb

SHA256
911efc5cf9cbeb697543eb3242f5297e1be46dd6603a390140a9ff031ed9e1e8

SHA512
e751008b032394817beb46937fd93a73be97254c2be94dd42f22fb1306d2715c653ece16fa96eab1a3e73811936768cea6b37888437086fc6f3e3e793a2515eb

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

MD5
aa6b748cd8f3e3c0e41549529b919e21

SHA1
5a4b9721f9fb5042f6ef7afd698d5ac5216a88bb

SHA256
d7d665a42f940443efb28eb231dfe1c4062394e71fba145d6eea9ec075b0f0e8

SHA512
361c523f49428a7e430279099e669a1a8af8764653f42e83105c0da3f8e8dd3be6c1719ea8c158d8f2e8425d74457147a4683190eb4a67019b9d02be44c13534

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

MD5
2e0391d00f5bfbc34be70790f14d5edf

SHA1
fcb04d8599c23967de4f154a101be480933ab0d0

SHA256
1c0c0c86d7c736fc9fb148ac7cd6e67565dc5b76fa116ae3b000a79e91855136

SHA512
231b9cc6efb928f0748cef04f287d9204c4f7d2eb4bc27f345e9a1afc6d0675057978ca44d1a95334ee2380709aa6dbe74015fedff8f17611a64efcfb9f64d2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qmrrjuzc.ggl.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2984-12-0x00007FFE0ABB0000-0x00007FFE0B672000-memory.dmp

Filesize
10.8MB

Download
memory/2984-13-0x00007FFE0ABB0000-0x00007FFE0B672000-memory.dmp

Filesize
10.8MB

Download
memory/2984-14-0x00007FFE0ABB0000-0x00007FFE0B672000-memory.dmp

Filesize
10.8MB

Download
memory/2984-17-0x00007FFE0ABB0000-0x00007FFE0B672000-memory.dmp

Filesize
10.8MB

Download
memory/2984-11-0x00007FFE0ABB0000-0x00007FFE0B672000-memory.dmp

Filesize
10.8MB

Download
memory/2984-4-0x000002CEFCF20000-0x000002CEFCF42000-memory.dmp

Filesize
136KB

Download
memory/4048-0-0x00007FFE0ABB3000-0x00007FFE0ABB5000-memory.dmp

Filesize
8KB

Download
memory/4048-1-0x0000000000A50000-0x0000000000A66000-memory.dmp

Filesize
88KB

Download
memory/4048-53-0x00007FFE0ABB0000-0x00007FFE0B672000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads