Malware Analysis Report

2024-09-22 06:58

Sample ID 240621-akchdstbjc
Target VXM.exe
SHA256 1f10695674a259c0898cbfe22804af23807aebcc604f63a117afaf142c6ddbcb
Tags
rat default asyncrat
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

1f10695674a259c0898cbfe22804af23807aebcc604f63a117afaf142c6ddbcb

Threat Level: Known bad

The file VXM.exe was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat

Async RAT payload

Asyncrat family

AsyncRat

Async RAT payload

Executes dropped EXE

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Scheduled Task/Job: Scheduled Task

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-21 00:15

Signatures

Async RAT payload

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

Asyncrat family

asyncrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 00:15

Reported

2024-06-21 00:18

Platform

win7-20240508-en

Max time kernel

145s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\VXM.exe"

Signatures

AsyncRat

rat asyncrat

Async RAT payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe 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

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2916 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\System32\cmd.exe
PID 2916 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\System32\cmd.exe
PID 2916 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\System32\cmd.exe
PID 2916 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\system32\cmd.exe
PID 2916 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\system32\cmd.exe
PID 2916 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\system32\cmd.exe
PID 2032 wrote to memory of 2656 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\schtasks.exe
PID 2032 wrote to memory of 2656 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\schtasks.exe
PID 2032 wrote to memory of 2656 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\schtasks.exe
PID 1916 wrote to memory of 2716 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 1916 wrote to memory of 2716 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 1916 wrote to memory of 2716 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 1916 wrote to memory of 2668 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe
PID 1916 wrote to memory of 2668 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe
PID 1916 wrote to memory of 2668 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\VXM.exe

"C:\Users\Admin\AppData\Local\Temp\VXM.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Fortnite Cheats" /tr '"C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe"' & exit

C:\Windows\system32\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp28C5.tmp.bat""

C:\Windows\system32\schtasks.exe

schtasks /create /f /sc onlogon /rl highest /tn "Fortnite Cheats" /tr '"C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe"'

C:\Windows\system32\timeout.exe

timeout 3

C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe

"C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp

Files

memory/2916-0-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp

memory/2916-1-0x00000000011A0000-0x00000000011B6000-memory.dmp

memory/2916-2-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

memory/2916-3-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp28C5.tmp.bat

MD5 5f4b1a5aad51ff7882e14e2b5b48cf0c
SHA1 7ccb5e04dc5c15888c6f765010c391e6a07dff5d
SHA256 fd814f024998977989e7494ebb7dc56186134521a14489efd92e8a5cbf994d00
SHA512 d966ca5f388dd12763ba78a06e36a10683e3e7b39d90c82079e20ef1c6790e348feb47ce2c314ce736386d4630d1e15ecaa58365cfaa443790d3fffc2a8d3b89

memory/2916-12-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe

MD5 829239de570b423d6cf714c6f2f9d2cd
SHA1 1dce551d2edf5e5f8d992a9073ed5d7f3868995e
SHA256 1f10695674a259c0898cbfe22804af23807aebcc604f63a117afaf142c6ddbcb
SHA512 a4fcfeeb61e1aaabd3f299f944c4de6190bc1c933b298c97a1e606824514549030370acb6c90120f9d195130afe1b2ce8138c5c18ad6d055113d0cb219986d2d

memory/2668-17-0x0000000001350000-0x0000000001366000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-21 00:15

Reported

2024-06-21 00:18

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\VXM.exe"

Signatures

AsyncRat

rat asyncrat

Async RAT payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\VXM.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe 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

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\VXM.exe

"C:\Users\Admin\AppData\Local\Temp\VXM.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Fortnite Cheats" /tr '"C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe"' & exit

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD83F.tmp.bat""

C:\Windows\system32\schtasks.exe

schtasks /create /f /sc onlogon /rl highest /tn "Fortnite Cheats" /tr '"C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe"'

C:\Windows\system32\timeout.exe

timeout 3

C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe

"C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3688 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.212.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 234.212.58.216.in-addr.arpa udp
N/A 127.0.0.1:3232 tcp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
N/A 127.0.0.1:3232 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
N/A 127.0.0.1:3232 tcp
US 8.8.8.8:53 7.173.189.20.in-addr.arpa udp
N/A 127.0.0.1:3232 tcp

Files

memory/4888-0-0x00007FF984463000-0x00007FF984465000-memory.dmp

memory/4888-1-0x0000000000380000-0x0000000000396000-memory.dmp

memory/4888-2-0x00007FF984460000-0x00007FF984F21000-memory.dmp

memory/4888-7-0x00007FF984460000-0x00007FF984F21000-memory.dmp

memory/4888-8-0x00007FF984460000-0x00007FF984F21000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpD83F.tmp.bat

MD5 3963a4748b30d91d9c6038c53714ee0f
SHA1 4454387ab82e60c5230ebc0a8b2533451bd7da73
SHA256 5893aa9457ef7fa2c9767a837e2f95a4b540e8ea55bc7b9b9bf60028ffd2b447
SHA512 cb8301a963a1abaae9c7b74eeb35f6494e4e016a2547d16d384537f25f86baf7cd783c48472ae76f9e1288212152ea787b3677ae73262f1496322215ad07b5c2

C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe

MD5 829239de570b423d6cf714c6f2f9d2cd
SHA1 1dce551d2edf5e5f8d992a9073ed5d7f3868995e
SHA256 1f10695674a259c0898cbfe22804af23807aebcc604f63a117afaf142c6ddbcb
SHA512 a4fcfeeb61e1aaabd3f299f944c4de6190bc1c933b298c97a1e606824514549030370acb6c90120f9d195130afe1b2ce8138c5c18ad6d055113d0cb219986d2d