Malware Analysis Report

2024-10-23 20:19

Sample ID 240930-hdchta1ajq
Target 2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver
SHA256 32445c7b6f5327193e2b581def5db0870ea7a97ac0b6406877a261c2c8258b7e
Tags
assistência esporádica meshagent
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

32445c7b6f5327193e2b581def5db0870ea7a97ac0b6406877a261c2c8258b7e

Threat Level: Known bad

The file 2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver was found to be: Known bad.

Malicious Activity Summary

assistência esporádica meshagent

Detects MeshAgent payload

Meshagent family

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-09-30 06:36

Signatures

Detects MeshAgent payload

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

Meshagent family

meshagent

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-30 06:36

Reported

2024-09-30 06:39

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver.exe"

Signatures

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver.exe

"C:\Users\Admin\AppData\Local\Temp\2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver.exe"

C:\Windows\system32\wbem\wmic.exe

wmic os get oslanguage /FORMAT:LIST

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-30 06:36

Reported

2024-09-30 06:39

Platform

win10v2004-20240802-en

Max time kernel

131s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\system32\wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\system32\wbem\wmic.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver.exe

"C:\Users\Admin\AppData\Local\Temp\2024-09-30_44b1ff26bb06d3c9ea147cd67ef99198_ryuk_sliver.exe"

C:\Windows\system32\wbem\wmic.exe

wmic os get oslanguage /FORMAT:LIST

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=1284,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 131.109.69.13.in-addr.arpa udp

Files

N/A