Malware Analysis Report

2024-11-13 16:42

Sample ID 230228-bcq69agg43
Target 1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3
SHA256 1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3
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

1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3

Threat Level: Known bad

The file 1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3 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 01:00

Signatures

Purecrypter family

purecrypter

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-28 01:00

Reported

2023-02-28 01:02

Platform

win7-20230220-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3.exe

"C:\Users\Admin\AppData\Local\Temp\1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3.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
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
US 198.187.31.39:443 cents-ability.org tcp

Files

memory/2020-54-0x0000000000030000-0x0000000000048000-memory.dmp

memory/2020-55-0x0000000004B90000-0x0000000004BD0000-memory.dmp

memory/2020-56-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-28 01:00

Reported

2023-02-28 01:02

Platform

win10v2004-20230220-en

Max time kernel

141s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3.exe"

Signatures

PureCrypter

loader downloader purecrypter

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3.exe

"C:\Users\Admin\AppData\Local\Temp\1c35533679377e4109f5e79004ab6e92c45c0c65c2c5e779bf2be1315f271ee3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa 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 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 8.8.8.8:53 29.237.18.117.in-addr.arpa udp
US 8.8.8.8:53 176.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 104.208.16.90:443 tcp
US 8.8.8.8:53 1.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 161.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp

Files

memory/3196-133-0x0000000000950000-0x0000000000968000-memory.dmp

memory/3196-134-0x0000000005990000-0x0000000005F34000-memory.dmp

memory/3196-135-0x00000000053E0000-0x0000000005472000-memory.dmp

memory/3196-136-0x0000000005320000-0x000000000532A000-memory.dmp

memory/3196-137-0x00000000052F0000-0x0000000005300000-memory.dmp

memory/3196-138-0x00000000052F0000-0x0000000005300000-memory.dmp