xworm | a1715115f4e541c7c69235aa8dc446857e5d6dbc1d4f28c7b4cf72122bad0248

General

Target

AntiCheat.exe
Size

65KB
MD5

ecf14cc5ff0424515577c9a2c5c3f778
SHA1

d91bdfe875552295fa07bf53da7ea3775b409006
SHA256

a1715115f4e541c7c69235aa8dc446857e5d6dbc1d4f28c7b4cf72122bad0248
SHA512

b57df6f7c05573dc0b612dacaf164486e19a0183683a06ef6c01a317bf98e16101cba1dd54c405e09ae0afc1868b42079a52cbbed2e8db8dcaf8f6f6661148b1
SSDEEP

1536:Vs4ew6fIj+QcTE80/uv2VV4bUOvCCj46oSpy9FfyWXaOe80R5z:OhQbueYbUZyy9F6WqOt0R5z

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

weeks-deployment.gl.at.ply.gg:56058

Attributes

Install_directory
%AppData%
install_file
System32.exe

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3312-0-0x00000000009B0000-0x00000000009C6000-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

316 powershell.exe
4428 powershell.exe
4588 powershell.exe
1920 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:

AntiCheat.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	AntiCheat.exe

Drops startup file 2 IoCs

Processes:

AntiCheat.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System32.lnk	AntiCheat.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System32.lnk	AntiCheat.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

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

System Information Discovery
T1082

flow	ioc
27	ip-api.com

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
316	powershell.exe
316	powershell.exe
4428	powershell.exe
4428	powershell.exe
4588	powershell.exe
4588	powershell.exe
1920	powershell.exe
1920	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

AntiCheat.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3312	AntiCheat.exe
Token: SeDebugPrivilege	316	powershell.exe
Token: SeDebugPrivilege	4428	powershell.exe
Token: SeDebugPrivilege	4588	powershell.exe
Token: SeDebugPrivilege	1920	powershell.exe
Token: SeDebugPrivilege	3312	AntiCheat.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

AntiCheat.exe

description	pid	process	target process
PID 3312 wrote to memory of 316	3312	AntiCheat.exe	powershell.exe
PID 3312 wrote to memory of 316	3312	AntiCheat.exe	powershell.exe
PID 3312 wrote to memory of 4428	3312	AntiCheat.exe	powershell.exe
PID 3312 wrote to memory of 4428	3312	AntiCheat.exe	powershell.exe
PID 3312 wrote to memory of 4588	3312	AntiCheat.exe	powershell.exe
PID 3312 wrote to memory of 4588	3312	AntiCheat.exe	powershell.exe
PID 3312 wrote to memory of 1920	3312	AntiCheat.exe	powershell.exe
PID 3312 wrote to memory of 1920	3312	AntiCheat.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\AntiCheat.exe
"C:\Users\Admin\AppData\Local\Temp\AntiCheat.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312

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\AntiCheat.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:316

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'AntiCheat.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428

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\System32.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4588

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'System32.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1920

Network

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

Query Registry

1

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\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

MD5
67e8893616f805af2411e2f4a1411b2a

SHA1
39bf1e1a0ddf46ce7c136972120f512d92827dcd

SHA256
ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31

SHA512
164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d

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

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l2kq4twk.gyg.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/316-3-0x00007FFA8AA40000-0x00007FFA8B501000-memory.dmp

Filesize
10.8MB

Download
memory/316-14-0x00007FFA8AA40000-0x00007FFA8B501000-memory.dmp

Filesize
10.8MB

Download
memory/316-15-0x00007FFA8AA40000-0x00007FFA8B501000-memory.dmp

Filesize
10.8MB

Download
memory/316-18-0x00007FFA8AA40000-0x00007FFA8B501000-memory.dmp

Filesize
10.8MB

Download
memory/316-10-0x000001EF57350000-0x000001EF57372000-memory.dmp

Filesize
136KB

Download
memory/3312-1-0x00007FFA8AA43000-0x00007FFA8AA45000-memory.dmp

Filesize
8KB

Download
memory/3312-2-0x00007FFA8AA40000-0x00007FFA8B501000-memory.dmp

Filesize
10.8MB

Download
memory/3312-0-0x00000000009B0000-0x00000000009C6000-memory.dmp

Filesize
88KB

Download
memory/3312-57-0x00007FFA8AA43000-0x00007FFA8AA45000-memory.dmp

Filesize
8KB

Download
memory/3312-58-0x00007FFA8AA40000-0x00007FFA8B501000-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