Malware Analysis Report

2024-09-22 06:32

Sample ID 240620-camxgsscmf
Target FluxLora.zip
SHA256 b5af0bc161225e2ec1e0161d4a38af0b30f13a6e9e91f4ed3bc64de4e7940281
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 Overview

score
10/10

SHA256

b5af0bc161225e2ec1e0161d4a38af0b30f13a6e9e91f4ed3bc64de4e7940281

Threat Level: Known bad

The file FluxLora.zip was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat

Async RAT payload

Asyncrat family

AsyncRat

Async RAT payload

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-20 01:52

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: behavioral1

Detonation Overview

Submitted

2024-06-20 01:52

Reported

2024-06-20 01:54

Platform

win11-20240611-en

Max time kernel

90s

Max time network

92s

Command Line

"C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.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\FluxusV2.exe N/A

Enumerates physical storage devices

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 use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\FluxusV2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3572 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe C:\Windows\SysWOW64\cmd.exe
PID 3572 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe C:\Windows\SysWOW64\cmd.exe
PID 3572 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe C:\Windows\SysWOW64\cmd.exe
PID 3572 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe C:\Windows\SysWOW64\cmd.exe
PID 3572 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe C:\Windows\SysWOW64\cmd.exe
PID 3572 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe C:\Windows\SysWOW64\cmd.exe
PID 1840 wrote to memory of 1924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1840 wrote to memory of 1924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1840 wrote to memory of 1924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2760 wrote to memory of 4148 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2760 wrote to memory of 4148 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2760 wrote to memory of 4148 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2760 wrote to memory of 572 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\FluxusV2.exe
PID 2760 wrote to memory of 572 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\FluxusV2.exe
PID 2760 wrote to memory of 572 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\FluxusV2.exe

Processes

C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe

"C:\Users\Admin\AppData\Local\Temp\FluxLoraV2\FluxLora.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "FluxusV2" /tr '"C:\Users\Admin\AppData\Roaming\FluxusV2.exe"' & exit

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7CA2.tmp.bat""

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc onlogon /rl highest /tn "FluxusV2" /tr '"C:\Users\Admin\AppData\Roaming\FluxusV2.exe"'

C:\Windows\SysWOW64\timeout.exe

timeout 3

C:\Users\Admin\AppData\Roaming\FluxusV2.exe

"C:\Users\Admin\AppData\Roaming\FluxusV2.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp
N/A 127.0.0.1:6700 tcp

Files

memory/3572-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/3572-1-0x0000000000770000-0x0000000000782000-memory.dmp

memory/3572-2-0x0000000074B30000-0x00000000752E1000-memory.dmp

memory/3572-3-0x0000000005250000-0x00000000052EC000-memory.dmp

memory/3572-8-0x0000000074B30000-0x00000000752E1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp7CA2.tmp.bat

MD5 8c722c691849e86d95930cb4e8cdf58b
SHA1 61ba05a53514a5f305b38551d11699ce6a8262e1
SHA256 e2041e221e9b87ec0e0f62d7014a162206a0a3d9a9f7ab019015fcc92626e91d
SHA512 b29668facd35fc4e5ae018400ed0bdf25a11032fea2f2485a223df11a08527b884e562ddf70865179d771b64d7968b179498f07d990496b47b90b74fecb94c52

C:\Users\Admin\AppData\Roaming\FluxusV2.exe

MD5 ace38670c00a34a910a1c5cb502f8f03
SHA1 3bfa515b1b4af4cca5e4d603e427fc2ebc8d5047
SHA256 0c3aa475f5ff4c8c2c271a27582f5480a29063d97006d5440c98409b3659fcbe
SHA512 ff40dccab360baff86e2545e810f6969d22587b750a646a46546e593069bf1d5633a9e20a0534437fc909bfc2d58bb32f840c23b7e879f677c9fbd18a609e0bc

memory/572-13-0x0000000074A80000-0x0000000075231000-memory.dmp

memory/572-14-0x0000000074A80000-0x0000000075231000-memory.dmp