Malware Analysis Report

2025-01-02 12:09

Sample ID 240419-reb34sfb6x
Target C11Setup.exe
SHA256 f50ac3121d96fcb9b21d1b3cdcb8db36205f5602d8fa166a2d9e4e9f16fe2202
Tags
asyncrat default rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

f50ac3121d96fcb9b21d1b3cdcb8db36205f5602d8fa166a2d9e4e9f16fe2202

Threat Level: Known bad

The file C11Setup.exe was found to be: Known bad.

Malicious Activity Summary

asyncrat default rat

AsyncRat

Async RAT payload

Asyncrat family

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-19 14:05

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

2024-04-19 14:05

Reported

2024-04-19 15:32

Platform

win7-20240221-en

Max time kernel

1558s

Max time network

1559s

Command Line

"C:\Users\Admin\AppData\Local\Temp\C11Setup.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\C11Setup.exe

"C:\Users\Admin\AppData\Local\Temp\C11Setup.exe"

Network

N/A

Files

memory/1996-0-0x00000000013E0000-0x0000000001424000-memory.dmp

memory/1996-2-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

memory/1996-3-0x000000001AE60000-0x000000001AEE0000-memory.dmp

memory/1996-4-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 14:05

Reported

2024-04-19 15:34

Platform

win10v2004-20240412-en

Max time kernel

1387s

Max time network

1176s

Command Line

"C:\Users\Admin\AppData\Local\Temp\C11Setup.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\C11Setup.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\C11Setup.exe

"C:\Users\Admin\AppData\Local\Temp\C11Setup.exe"

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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 198.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 132.250.30.184.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp

Files

memory/3260-0-0x00000000003F0000-0x0000000000434000-memory.dmp

memory/3260-2-0x00007FF8B7660000-0x00007FF8B8121000-memory.dmp

memory/3260-3-0x000000001B150000-0x000000001B160000-memory.dmp

memory/3260-4-0x00007FF8B7660000-0x00007FF8B8121000-memory.dmp