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/756-1-0x00000000008D0000-0x00000000008E6000-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

3100 powershell.exe
2452 powershell.exe
2060 powershell.exe
2788 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-1-5-21-711569230-3659488422-571408806-1000\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

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

System Information Discovery
T1082

flow	ioc
25	ip-api.com

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
3100	powershell.exe
3100	powershell.exe
2452	powershell.exe
2452	powershell.exe
2060	powershell.exe
2060	powershell.exe
2788	powershell.exe
2788	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

AntiCheat.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	756	AntiCheat.exe
Token: SeDebugPrivilege	3100	powershell.exe
Token: SeDebugPrivilege	2452	powershell.exe
Token: SeDebugPrivilege	2060	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	756	AntiCheat.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

AntiCheat.exe

description	pid	process	target process
PID 756 wrote to memory of 3100	756	AntiCheat.exe	powershell.exe
PID 756 wrote to memory of 3100	756	AntiCheat.exe	powershell.exe
PID 756 wrote to memory of 2452	756	AntiCheat.exe	powershell.exe
PID 756 wrote to memory of 2452	756	AntiCheat.exe	powershell.exe
PID 756 wrote to memory of 2060	756	AntiCheat.exe	powershell.exe
PID 756 wrote to memory of 2060	756	AntiCheat.exe	powershell.exe
PID 756 wrote to memory of 2788	756	AntiCheat.exe	powershell.exe
PID 756 wrote to memory of 2788	756	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:756

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:3100

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:2452

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:2060

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:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

MD5
a7cc007980e419d553568a106210549a

SHA1
c03099706b75071f36c3962fcc60a22f197711e0

SHA256
a5735921fc72189c8bf577f3911486cf031708dc8d6bc764fe3e593c0a053165

SHA512
b9aaf29403c467daef80a1ae87478afc33b78f4e1ca16189557011bb83cf9b3e29a0f85c69fa209c45201fb28baca47d31756eee07b79c6312c506e8370f7666

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jvf1dtdw.j4s.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/756-0-0x00007FFE318E3000-0x00007FFE318E5000-memory.dmp

Filesize
8KB

Download
memory/756-2-0x00007FFE318E0000-0x00007FFE323A1000-memory.dmp

Filesize
10.8MB

Download
memory/756-1-0x00000000008D0000-0x00000000008E6000-memory.dmp

Filesize
88KB

Download
memory/756-57-0x00007FFE318E3000-0x00007FFE318E5000-memory.dmp

Filesize
8KB

Download
memory/756-58-0x00007FFE318E0000-0x00007FFE323A1000-memory.dmp

Filesize
10.8MB

Download
memory/3100-9-0x00000187FC770000-0x00000187FC792000-memory.dmp

Filesize
136KB

Download
memory/3100-13-0x00007FFE318E0000-0x00007FFE323A1000-memory.dmp

Filesize
10.8MB

Download
memory/3100-14-0x00007FFE318E0000-0x00007FFE323A1000-memory.dmp

Filesize
10.8MB

Download
memory/3100-15-0x00007FFE318E0000-0x00007FFE323A1000-memory.dmp

Filesize
10.8MB

Download
memory/3100-18-0x00007FFE318E0000-0x00007FFE323A1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads