Malware Analysis Report

2024-11-13 16:42

Sample ID 230228-a8rl8age31
Target 77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb
SHA256 77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb
Tags
purecrypter downloader loader
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

77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb

Threat Level: Known bad

The file 77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

Purecrypter family

PureCrypter

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-28 00:53

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-28 00:53

Reported

2023-02-28 00:55

Platform

win7-20230220-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb.exe

"C:\Users\Admin\AppData\Local\Temp\77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cents-ability.org udp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp

Files

memory/1304-54-0x00000000013A0000-0x00000000013A8000-memory.dmp

memory/1304-55-0x0000000000F10000-0x0000000000F50000-memory.dmp

memory/1304-56-0x0000000000F10000-0x0000000000F50000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-28 00:53

Reported

2023-02-28 00:55

Platform

win10v2004-20230220-en

Max time kernel

125s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb.exe

"C:\Users\Admin\AppData\Local\Temp\77f8776ee4a055a4081031422e05ba28187c0b1d36cf51179e4404827f44f4bb.exe"

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
US 8.8.8.8:53 cents-ability.org udp
US 198.187.31.39:443 cents-ability.org tcp
US 8.8.8.8:53 29.237.18.117.in-addr.arpa udp
US 8.8.8.8:53 39.31.187.198.in-addr.arpa udp
US 8.8.8.8:53 55.154.139.52.in-addr.arpa udp
US 8.8.8.8:53 161.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 198.187.31.39:443 cents-ability.org tcp
NL 13.69.109.131:443 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 93.184.221.240:80 tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp

Files

memory/3524-133-0x0000000000A20000-0x0000000000A28000-memory.dmp

memory/3524-134-0x0000000005510000-0x0000000005520000-memory.dmp

memory/3524-135-0x0000000005510000-0x0000000005520000-memory.dmp