xworm | 2d1c1347b0e889a6f74fed1878738e0026ea2fe10c8082d9ba5fcdb0e8ed939b

General

Target

SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe
Size

1.4MB
MD5

e84bb6efc8e0ebec1826b770cfb59bd9
SHA1

5fe35e0b634a95fcff997882839004a225a29bf1
SHA256

2d1c1347b0e889a6f74fed1878738e0026ea2fe10c8082d9ba5fcdb0e8ed939b
SHA512

562cef1a697cdb516d09341b58d790984284b6617ba5a24040b1a36ae3cd448b8857a7e5dcd1f541d5e18888fe7b525894077fce08463d5a7dfe2b00eb0de810
SSDEEP

24576:uOnCbIk+tdLb0Tj3ndie/UV7EMhD6ZnlyBI0DJewitKUiVh8t6S9U8XxT9Q+FTtT:prUlH0UcBS9UutT

Score

10^/10

xworm evasion execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

79.110.49.133:5700

Mutex

Bg9JRZDpyEfXxrAy

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2028-14-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2028-13-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2612-33-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2612-27-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2612-31-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2972 powershell.exe

pid	process
2972	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe

description pid process target process

PID 1956 set thread context of 2612 1956 SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe installutil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2972 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeinstallutil.exe

description pid process

Token: SeDebugPrivilege 2972 powershell.exe
Token: SeDebugPrivilege 2612 installutil.exe

description	pid	process	target process
PID 1956 set thread context of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe

pid	process
2972	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2972	powershell.exe
Token: SeDebugPrivilege	2612	installutil.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe

description	pid	process	target process
PID 1956 wrote to memory of 2972	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	powershell.exe
PID 1956 wrote to memory of 2972	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	powershell.exe
PID 1956 wrote to memory of 2972	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	powershell.exe
PID 1956 wrote to memory of 2028	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	msbuild.exe
PID 1956 wrote to memory of 2028	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	msbuild.exe
PID 1956 wrote to memory of 2028	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	msbuild.exe
PID 1956 wrote to memory of 2028	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	msbuild.exe
PID 1956 wrote to memory of 2028	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	msbuild.exe
PID 1956 wrote to memory of 2028	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	msbuild.exe
PID 1956 wrote to memory of 2028	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	msbuild.exe
PID 1956 wrote to memory of 2028	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	msbuild.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2612	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2740	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2740	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2740	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2740	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2740	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2740	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe
PID 1956 wrote to memory of 2740	1956	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe	installutil.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1956

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSX-gen.10080.20186.exe" -Force
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2972

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
2⤵
PID:2028

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2612

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:2740

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1956-0-0x000007FEF5823000-0x000007FEF5824000-memory.dmp

Filesize
4KB

Download
memory/1956-1-0x0000000000440000-0x0000000000454000-memory.dmp

Filesize
80KB

Download
memory/1956-2-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/1956-3-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/1956-4-0x0000000002130000-0x0000000002192000-memory.dmp

Filesize
392KB

Download
memory/1956-28-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2028-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2028-14-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2028-13-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2028-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2612-33-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2612-31-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2612-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-27-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2972-15-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

Filesize
2.9MB

Download
memory/2972-20-0x000007FEEDE90000-0x000007FEEE82D000-memory.dmp

Filesize
9.6MB

Download
memory/2972-29-0x000007FEEDE90000-0x000007FEEE82D000-memory.dmp

Filesize
9.6MB

Download
memory/2972-17-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2972-19-0x000007FEEDE90000-0x000007FEEE82D000-memory.dmp

Filesize
9.6MB

Download
memory/2972-18-0x000007FEEDE90000-0x000007FEEE82D000-memory.dmp

Filesize
9.6MB

Download
memory/2972-16-0x000007FEEDE90000-0x000007FEEE82D000-memory.dmp

Filesize
9.6MB

Download
memory/2972-9-0x000007FEEE14E000-0x000007FEEE14F000-memory.dmp

Filesize
4KB

Download
memory/2972-34-0x000007FEEDE90000-0x000007FEEE82D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads