Malware Analysis Report

2024-09-11 14:58

Sample ID 240609-yekhtaec2w
Target Steam Cracked Game.exe
SHA256 838dd21722f8cae52adcb57145a66e34a0607419a8d747442f1398eaf49e3613
Tags
xworm execution rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

838dd21722f8cae52adcb57145a66e34a0607419a8d747442f1398eaf49e3613

Threat Level: Known bad

The file Steam Cracked Game.exe was found to be: Known bad.

Malicious Activity Summary

xworm execution rat trojan

Xworm family

Xworm

Detect Xworm Payload

Command and Scripting Interpreter: PowerShell

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Unsigned PE

Enumerates physical storage devices

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Command and Scripting Interpreter
T1059
PowerShell
T1059.001
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-09 19:41

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm family

xworm

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-09 19:41

Reported

2024-06-09 19:48

Platform

win7-20240508-en

Max time kernel

6s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 5.tcp.eu.ngrok.io N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2916 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2916 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2916 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe

"C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe"

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\Steam Cracked Game.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Steam Cracked Game.exe'

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\Roblox'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Roblox'

C:\Windows\system32\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9B1.tmp.bat""

C:\Windows\system32\timeout.exe

timeout 3

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 3.64.4.198:19862 5.tcp.eu.ngrok.io tcp
DE 3.64.4.198:19862 5.tcp.eu.ngrok.io tcp

Files

memory/2916-0-0x000007FEF5353000-0x000007FEF5354000-memory.dmp

memory/2916-1-0x0000000000380000-0x00000000003DC000-memory.dmp

memory/2916-2-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

memory/2856-8-0x000000001B760000-0x000000001BA42000-memory.dmp

memory/2856-9-0x0000000002790000-0x0000000002798000-memory.dmp

memory/2856-7-0x0000000002A70000-0x0000000002AF0000-memory.dmp

memory/2492-15-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

memory/2492-16-0x00000000026A0000-0x00000000026A8000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CZ82KLJMGQ98YNW5SSB8.temp

MD5 23817dfeb253365f378b75590209373d
SHA1 c8e08cb561a4fd7a82ea4d312da759c5c32884e1
SHA256 bf89a2c636be8d9c9caa92ae9b30309173521a63ac717015098cfe2ba990533a
SHA512 40a317a22d32e82209d686a696f81d146c448fa3be88c275616fc521fa3116c46b87b761ad84b138d2d828669d26e288ed301f80158ee3718b846629f5490db0

memory/2916-28-0x000007FEF5353000-0x000007FEF5354000-memory.dmp

memory/2916-29-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

memory/2916-40-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp9B1.tmp.bat

MD5 1b8b09418bd06a311f0cb54e3e329b8f
SHA1 e1e22d1836bc6e0acaa7ffc40af64f12e05f5035
SHA256 b6604debf1d70767091eb669930a813204a6773c59d66665b2adf9b4ab68c07b
SHA512 61c276d85ec3c114567cdad0aa0b1556fee7c918ed478505d86e65f845621db0afe60d1d0c7b9a03e039af4fc7533520bd162501241bc36d4abe487a93f8d5bc

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 19:41

Reported

2024-06-09 19:48

Platform

win10v2004-20240508-en

Max time kernel

3s

Max time network

111s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 5.tcp.eu.ngrok.io N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe

"C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe"

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\Steam Cracked Game.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Steam Cracked Game.exe'

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\Roblox'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Roblox'

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp42C.tmp.bat""

C:\Windows\system32\timeout.exe

timeout 3

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 5.tcp.eu.ngrok.io udp
DE 18.158.58.205:19862 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 205.58.158.18.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
DE 18.158.58.205:19862 5.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
DE 18.158.58.205:19862 5.tcp.eu.ngrok.io tcp
DE 18.158.58.205:19862 5.tcp.eu.ngrok.io tcp

Files

memory/3516-0-0x00007FF9D5273000-0x00007FF9D5275000-memory.dmp

memory/3516-1-0x0000000000F70000-0x0000000000FCC000-memory.dmp

memory/3516-2-0x00007FF9D5270000-0x00007FF9D5D31000-memory.dmp

memory/3932-12-0x000001BD7D6E0000-0x000001BD7D702000-memory.dmp

memory/3932-13-0x00007FF9D5270000-0x00007FF9D5D31000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_egkrcdeg.acy.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3932-14-0x00007FF9D5270000-0x00007FF9D5D31000-memory.dmp

memory/3932-15-0x00007FF9D5270000-0x00007FF9D5D31000-memory.dmp

memory/3932-18-0x00007FF9D5270000-0x00007FF9D5D31000-memory.dmp

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

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 6d3e9c29fe44e90aae6ed30ccf799ca8
SHA1 c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA512 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 34f595487e6bfd1d11c7de88ee50356a
SHA1 4caad088c15766cc0fa1f42009260e9a02f953bb
SHA256 0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d
SHA512 10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 04f1d68afbed6b13399edfae1e9b1472
SHA1 8bfdcb687a995e4a63a8c32df2c66dc89f91a8b0
SHA256 f358f33a42122e97c489fad7bbc8beab2eb42d42e4ec7fce0dd61fe6d8c0b8de
SHA512 30c5e72a8134992094d937d2588f7a503b1d6407d11afe0265b7c8b0ce14071925e5caed13fc4f9c28705df4c7aed3601f81b007048b148af274d7784aa5fb75

memory/3516-54-0x00007FF9D5273000-0x00007FF9D5275000-memory.dmp

memory/3516-55-0x00007FF9D5270000-0x00007FF9D5D31000-memory.dmp

memory/3516-56-0x0000000001790000-0x000000000179C000-memory.dmp

memory/3516-57-0x000000001EC00000-0x000000001ECB0000-memory.dmp

memory/3516-58-0x00000000204A0000-0x00000000209C8000-memory.dmp

memory/3516-59-0x000000001F180000-0x000000001F4D0000-memory.dmp

memory/3516-65-0x00007FF9D5270000-0x00007FF9D5D31000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp42C.tmp.bat

MD5 ee5c784fe263bfdef1d93881684cea82
SHA1 e7cc8c8d9ea083202b8623e0835c7f0762d923ff
SHA256 c9d04c3fb3bfc503cf0ee52f4b55451e3932a44ab46c828d89027cc2808c5d21
SHA512 e5bcf86d8d0a4bdda998400214156bd240ff48aaad19a88fa665347818f9d7ea20b3f78962755d48248720dec800f912d2c51254a82689e3d9e328ca720ab40f