Malware Analysis Report

2024-11-15 08:49

Sample ID 241111-lvvbqsxemq
Target c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7
SHA256 c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7
Tags
purecrypter discovery downloader loader
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

c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7

Threat Level: Known bad

The file c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7 was found to be: Known bad.

Malicious Activity Summary

purecrypter discovery downloader loader

PureCrypter

Purecrypter family

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 09:52

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 09:51

Reported

2024-11-11 09:55

Platform

win10v2004-20241007-en

Max time kernel

154s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe"

Signatures

PureCrypter

loader downloader purecrypter

Purecrypter family

purecrypter

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\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe

"C:\Users\Admin\AppData\Local\Temp\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 album.moto-style.nl udp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 album.moto-style.nl udp

Files

memory/2652-0-0x000000007478E000-0x000000007478F000-memory.dmp

memory/2652-1-0x0000000000800000-0x0000000000820000-memory.dmp

memory/2652-2-0x0000000074780000-0x0000000074F30000-memory.dmp

memory/2652-3-0x000000007478E000-0x000000007478F000-memory.dmp

memory/2652-4-0x0000000074780000-0x0000000074F30000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 09:51

Reported

2024-11-11 09:55

Platform

win7-20240903-en

Max time kernel

150s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe"

Signatures

PureCrypter

loader downloader purecrypter

Purecrypter family

purecrypter

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\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe

"C:\Users\Admin\AppData\Local\Temp\c4334f22338a453ca75c3937c154f97a61d3f3d02795dce943ced2826f3c55d7.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 album.moto-style.nl udp

Files

memory/1960-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

memory/1960-1-0x00000000003D0000-0x00000000003F0000-memory.dmp

memory/1960-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp

memory/1960-3-0x00000000743DE000-0x00000000743DF000-memory.dmp

memory/1960-4-0x00000000743D0000-0x0000000074ABE000-memory.dmp