Malware Analysis Report

2024-09-22 07:00

Sample ID 240621-agp93stamh
Target VXM.exe
SHA256 1f10695674a259c0898cbfe22804af23807aebcc604f63a117afaf142c6ddbcb
Tags
asyncrat default rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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

asyncrat default rat

Async RAT payload

Asyncrat family

AsyncRat

Async RAT payload

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Suspicious use of FindShellTrayWindow

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-21 00:11

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: behavioral2

Detonation Overview

Submitted

2024-06-21 00:11

Reported

2024-06-21 00:14

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

52s

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-1-5-21-1337824034-2731376981-3755436523-1000\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 behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.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\tmp46EC.tmp.bat""

C:\Windows\system32\timeout.exe

timeout 3

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

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

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Downloads\SkipOut.mov"

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Downloads\SkipOut.mov"

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Downloads\SkipOut.mov"

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Downloads\SkipOut.mov"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.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
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/1596-0-0x00007FFE899C3000-0x00007FFE899C5000-memory.dmp

memory/1596-1-0x0000000000F90000-0x0000000000FA6000-memory.dmp

memory/1596-2-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp

memory/1596-7-0x00007FFE899C0000-0x00007FFE8A481000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp46EC.tmp.bat

MD5 11bdf42619800d23321eb5e3154713a6
SHA1 a8613bc7f60529af21aa89f8d3ec7c77d6b9ad4d
SHA256 3b3be63f4c48922499a55a4ca0f15bd6cf083e93b35690f4296016143d334e7f
SHA512 50fdf0955c4c380e6fefe640c11cbc379a2007bdadd4c0337bfc200e69b6147a9a961d3a5f7e8117c549b1e4a0346cea85c6776312d2df534f697d5f6a9c0760

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

MD5 829239de570b423d6cf714c6f2f9d2cd
SHA1 1dce551d2edf5e5f8d992a9073ed5d7f3868995e
SHA256 1f10695674a259c0898cbfe22804af23807aebcc604f63a117afaf142c6ddbcb
SHA512 a4fcfeeb61e1aaabd3f299f944c4de6190bc1c933b298c97a1e606824514549030370acb6c90120f9d195130afe1b2ce8138c5c18ad6d055113d0cb219986d2d

memory/3088-13-0x00007FFE989E0000-0x00007FFE98A14000-memory.dmp

memory/3088-12-0x00007FF755F70000-0x00007FF756068000-memory.dmp

memory/3088-17-0x00007FFE971D0000-0x00007FFE971E1000-memory.dmp

memory/3088-14-0x00007FFE83C50000-0x00007FFE83F06000-memory.dmp

memory/3088-16-0x00007FFE97290000-0x00007FFE972A7000-memory.dmp

memory/3088-15-0x00007FFE98B60000-0x00007FFE98B78000-memory.dmp

memory/1168-21-0x00007FFE98B60000-0x00007FFE98B78000-memory.dmp

memory/1168-18-0x00007FF755F70000-0x00007FF756068000-memory.dmp

memory/1168-23-0x00007FFE971D0000-0x00007FFE971E1000-memory.dmp

memory/1168-19-0x00007FFE989E0000-0x00007FFE98A14000-memory.dmp

memory/1168-20-0x00007FFE83C50000-0x00007FFE83F06000-memory.dmp

memory/1168-22-0x00007FFE97290000-0x00007FFE972A7000-memory.dmp

memory/1280-29-0x00007FFE971D0000-0x00007FFE971E1000-memory.dmp

memory/1280-28-0x00007FFE97290000-0x00007FFE972A7000-memory.dmp

memory/1280-27-0x00007FFE98B60000-0x00007FFE98B78000-memory.dmp

memory/1280-26-0x00007FFE83C50000-0x00007FFE83F06000-memory.dmp

memory/1280-24-0x00007FF755F70000-0x00007FF756068000-memory.dmp

memory/1280-25-0x00007FFE989E0000-0x00007FFE98A14000-memory.dmp

memory/3096-42-0x00007FF755F70000-0x00007FF756068000-memory.dmp

memory/3096-43-0x00007FFE989E0000-0x00007FFE98A14000-memory.dmp

memory/3096-51-0x00007FFE87D60000-0x00007FFE87D71000-memory.dmp

memory/3096-55-0x00007FFE831B0000-0x00007FFE831D1000-memory.dmp

memory/3096-59-0x00007FFE83150000-0x00007FFE83161000-memory.dmp

memory/3096-58-0x00007FFE83170000-0x00007FFE83181000-memory.dmp

memory/3096-57-0x00007FFE83190000-0x00007FFE831A1000-memory.dmp

memory/3096-56-0x00007FFE86800000-0x00007FFE86818000-memory.dmp

memory/3096-54-0x00007FFE831E0000-0x00007FFE83221000-memory.dmp

memory/3096-53-0x00007FFE83230000-0x00007FFE83297000-memory.dmp

memory/3096-52-0x00007FFE82D60000-0x00007FFE82F6B000-memory.dmp

memory/3096-50-0x00007FFE8A7A0000-0x00007FFE8A7BD000-memory.dmp

memory/3096-49-0x00007FFE8F930000-0x00007FFE8F941000-memory.dmp

memory/3096-48-0x00007FFE90040000-0x00007FFE90057000-memory.dmp

memory/3096-47-0x00007FFE971D0000-0x00007FFE971E1000-memory.dmp

memory/3096-46-0x00007FFE97290000-0x00007FFE972A7000-memory.dmp

memory/3096-45-0x00007FFE98B60000-0x00007FFE98B78000-memory.dmp

memory/3096-44-0x00007FFE83C50000-0x00007FFE83F06000-memory.dmp

C:\Users\Admin\AppData\Roaming\vlc\vlc-qt-interface.ini.em3096

MD5 cefea1cd57f735b6e86fad1d171fb4bd
SHA1 9c93c5d89946bfd342b0cf988e68b70c511e1701
SHA256 6296ff8438e450093c68d1a348ecdc4a96e3cdc5c51ec128026ef190cafa1e2a
SHA512 6d3f369faefd6f7e0dcdac62471965d0ba9184c98100bd50861a9d07eb1e845a1ab06ba20579363ac28988f79b491748dd71b8253a43d31ddd0ba8dbd299260d

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 00:11

Reported

2024-06-21 00:14

Platform

win7-20240508-en

Max time kernel

150s

Max time network

121s

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
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2156 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\System32\cmd.exe
PID 2156 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\System32\cmd.exe
PID 2156 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\System32\cmd.exe
PID 2156 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\system32\cmd.exe
PID 2156 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\system32\cmd.exe
PID 2156 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\VXM.exe C:\Windows\system32\cmd.exe
PID 1276 wrote to memory of 2736 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\schtasks.exe
PID 1276 wrote to memory of 2736 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\schtasks.exe
PID 1276 wrote to memory of 2736 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\schtasks.exe
PID 2756 wrote to memory of 1320 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 2756 wrote to memory of 1320 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 2756 wrote to memory of 1320 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 2756 wrote to memory of 2780 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe
PID 2756 wrote to memory of 2780 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\Fortnite Cheats.exe
PID 2756 wrote to memory of 2780 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\tmp2B16.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:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x0

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x160

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/2156-0-0x000007FEF5F13000-0x000007FEF5F14000-memory.dmp

memory/2156-1-0x0000000000D10000-0x0000000000D26000-memory.dmp

memory/2156-2-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

memory/2156-11-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp2B16.tmp.bat

MD5 5de2e7dbdd0afb9774ec6c1e5a5dfbbd
SHA1 a39e23d4921e389c062ed52edbeab8229608e68b
SHA256 bdc84f3e7236221614fbd731db31029980634ba807d5b8c2c2a9b216f2bc0235
SHA512 ef23ab96c686f1a16dd1e028ae9c555831baf5d7d602860bafabc6bf4434d5ceee059856212a6ff92653131388968219dd43bbc165344345904728293a638b8f

memory/2156-13-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

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

MD5 829239de570b423d6cf714c6f2f9d2cd
SHA1 1dce551d2edf5e5f8d992a9073ed5d7f3868995e
SHA256 1f10695674a259c0898cbfe22804af23807aebcc604f63a117afaf142c6ddbcb
SHA512 a4fcfeeb61e1aaabd3f299f944c4de6190bc1c933b298c97a1e606824514549030370acb6c90120f9d195130afe1b2ce8138c5c18ad6d055113d0cb219986d2d

memory/2780-17-0x0000000000C00000-0x0000000000C16000-memory.dmp