Malware Analysis Report

2025-04-13 12:36

Sample ID 240802-zntnhszcnj
Target flemme.exe
SHA256 5969e616a32e7cb09dd32ddca0c37e989a6131edb5c4a7b4367400c3f0e8527e
Tags
asyncrat default discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

5969e616a32e7cb09dd32ddca0c37e989a6131edb5c4a7b4367400c3f0e8527e

Threat Level: Known bad

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

Malicious Activity Summary

asyncrat default discovery rat

Async RAT payload

AsyncRat

Asyncrat family

Async RAT payload

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Scheduled Task/Job: Scheduled Task

Checks SCSI registry key(s)

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-02 20:52

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

2024-08-02 20:52

Reported

2024-08-02 20:53

Platform

win10v2004-20240802-en

Max time kernel

49s

Max time network

3s

Command Line

"C:\Users\Admin\AppData\Local\Temp\flemme.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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\executorroblox.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\timeout.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\executorroblox.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 C:\Windows\system32\taskmgr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName C:\Windows\system32\taskmgr.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\system32\taskmgr.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\executorroblox.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1544 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 1544 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 1544 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 1544 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 1544 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 1544 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 3732 wrote to memory of 2956 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 3732 wrote to memory of 2956 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 3732 wrote to memory of 2956 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 5076 wrote to memory of 2148 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 5076 wrote to memory of 2148 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 5076 wrote to memory of 2148 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 5076 wrote to memory of 1936 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\executorroblox.exe
PID 5076 wrote to memory of 1936 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\executorroblox.exe
PID 5076 wrote to memory of 1936 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\executorroblox.exe

Processes

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

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

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp60C8.tmp.bat""

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc onlogon /rl highest /tn "executorroblox" /tr '"C:\Users\Admin\AppData\Roaming\executorroblox.exe"'

C:\Windows\SysWOW64\timeout.exe

timeout 3

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 --field-trial-handle=1296,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:8

C:\Users\Admin\AppData\Roaming\executorroblox.exe

"C:\Users\Admin\AppData\Roaming\executorroblox.exe"

C:\Windows\system32\taskmgr.exe

"C:\Windows\system32\taskmgr.exe" /4

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 tcp

Files

memory/1544-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

memory/1544-1-0x0000000000EA0000-0x0000000000EC2000-memory.dmp

memory/1544-2-0x00000000749D0000-0x0000000075180000-memory.dmp

memory/1544-3-0x0000000005870000-0x000000000590C000-memory.dmp

memory/1544-8-0x00000000749D0000-0x0000000075180000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp60C8.tmp.bat

MD5 ad4487171a46a8c713b07815b8a8b2c6
SHA1 c091b8f35e77717e506226991251bec0776f09e9
SHA256 c2ddf405b9cb36576951f245d32e88e34e526e8345489e5b1c520b4392078e6d
SHA512 81dfe8b7bc5a7a921c1ba23d0fa3b03111c8e7b0556585606681e66bfce5eea844d3034cba138a5e613b5c2d8b83ab558ba67b0882371758e52103475bbfe835

C:\Users\Admin\AppData\Roaming\executorroblox.exe

MD5 2dd4a3e79a430fcf80e0c16c059c4c2c
SHA1 b32b851bb2746acfa2035d6765f7827e5880debb
SHA256 5969e616a32e7cb09dd32ddca0c37e989a6131edb5c4a7b4367400c3f0e8527e
SHA512 cae7ef83d8eb0f77d018dae6327b46cbb61e68623d64551492f883b9903a00ff410a9bda7c84f4348497e55b34490b315f855b95288e71710076cb246863a6a4

memory/1936-13-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/948-16-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-15-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-14-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-23-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-26-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-25-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-24-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-22-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-21-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/948-20-0x000001FC89CE0000-0x000001FC89CE1000-memory.dmp

memory/1936-27-0x0000000074920000-0x00000000750D0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-02 20:52

Reported

2024-08-02 20:53

Platform

win7-20240729-en

Max time kernel

53s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\flemme.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\Roaming\executorroblox.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\timeout.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\executorroblox.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\executorroblox.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2888 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\flemme.exe C:\Windows\SysWOW64\cmd.exe
PID 2424 wrote to memory of 2808 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2424 wrote to memory of 2808 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2424 wrote to memory of 2808 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2424 wrote to memory of 2808 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2028 wrote to memory of 2824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2028 wrote to memory of 2824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2028 wrote to memory of 2824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2028 wrote to memory of 2824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2028 wrote to memory of 2880 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\executorroblox.exe
PID 2028 wrote to memory of 2880 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\executorroblox.exe
PID 2028 wrote to memory of 2880 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\executorroblox.exe
PID 2028 wrote to memory of 2880 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\executorroblox.exe

Processes

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

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

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC330.tmp.bat""

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc onlogon /rl highest /tn "executorroblox" /tr '"C:\Users\Admin\AppData\Roaming\executorroblox.exe"'

C:\Windows\SysWOW64\timeout.exe

timeout 3

C:\Users\Admin\AppData\Roaming\executorroblox.exe

"C:\Users\Admin\AppData\Roaming\executorroblox.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp

Files

memory/2888-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

memory/2888-1-0x0000000000AD0000-0x0000000000AF2000-memory.dmp

memory/2888-2-0x0000000074E80000-0x000000007556E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpC330.tmp.bat

MD5 551ad3a685dfcb9dc733adb098f3f9cf
SHA1 4e158979bdae6a4946e21abb20bece23aee0a811
SHA256 b3823658234d99c6af1220ac554533c6f2075b79c91996e5459e90941f53b19b
SHA512 6b973cbf3b5cbe8767e3244ae1c48012803e526681c5063fb9b5be60b43d0202b6d1a21bdf39b8dae62aa0e397b3cd941bdbb4b0afa4abbd7aa01b9e0661f666

memory/2888-12-0x0000000074E80000-0x000000007556E000-memory.dmp

\Users\Admin\AppData\Roaming\executorroblox.exe

MD5 2dd4a3e79a430fcf80e0c16c059c4c2c
SHA1 b32b851bb2746acfa2035d6765f7827e5880debb
SHA256 5969e616a32e7cb09dd32ddca0c37e989a6131edb5c4a7b4367400c3f0e8527e
SHA512 cae7ef83d8eb0f77d018dae6327b46cbb61e68623d64551492f883b9903a00ff410a9bda7c84f4348497e55b34490b315f855b95288e71710076cb246863a6a4

memory/2880-16-0x0000000001090000-0x00000000010B2000-memory.dmp