Malware Analysis Report

2024-11-13 16:42

Sample ID 230228-a5yw5age2y
Target 78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1
SHA256 78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1
Tags
purecrypter downloader loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1

Threat Level: Known bad

The file 78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1 was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

Purecrypter family

PureCrypter

Checks computer location settings

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-28 00:48

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-28 00:48

Reported

2023-02-28 00:50

Platform

win7-20230220-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1.exe

"C:\Users\Admin\AppData\Local\Temp\78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping google.com

C:\Windows\SysWOW64\PING.EXE

ping google.com

Network

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

Files

memory/1408-54-0x0000000000BA0000-0x0000000000BC2000-memory.dmp

memory/1408-55-0x0000000004B00000-0x0000000004B40000-memory.dmp

memory/1408-56-0x0000000004B00000-0x0000000004B40000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-28 00:48

Reported

2023-02-28 00:50

Platform

win10v2004-20230220-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1.exe"

Signatures

PureCrypter

loader downloader purecrypter

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1.exe

"C:\Users\Admin\AppData\Local\Temp\78ee0644bbe5776bbf4474fa112e69da56a250d40357f7b09ddf09e0de117ea1.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping google.com

C:\Windows\SysWOW64\PING.EXE

ping google.com

Network

Country Destination Domain Proto
US 8.8.8.8:53 84.150.43.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 8.8.8.8:53 google.com udp
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 39.31.187.198.in-addr.arpa udp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
NL 8.238.20.126:80 tcp
US 8.8.8.8:53 160.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 29.237.18.117.in-addr.arpa udp

Files

memory/3364-133-0x0000000000670000-0x0000000000692000-memory.dmp

memory/3364-134-0x00000000056E0000-0x0000000005C84000-memory.dmp

memory/3364-135-0x0000000005130000-0x00000000051C2000-memory.dmp

memory/3364-136-0x0000000005330000-0x0000000005340000-memory.dmp

memory/3364-137-0x0000000006110000-0x000000000611A000-memory.dmp

memory/3364-138-0x0000000005330000-0x0000000005340000-memory.dmp