Malware Analysis Report

2024-11-30 21:51

Sample ID 230205-18n47sbb34
Target dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20
SHA256 dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20
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

dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20

Threat Level: Known bad

The file dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20 was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

Detect PureCrypter injector

PureCrypter

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-05 22:19

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-05 22:19

Reported

2023-02-05 22:24

Platform

win7-20221111-en

Max time kernel

100s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe"

Signatures

Detect PureCrypter injector

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

PureCrypter

loader downloader purecrypter

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe

"C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANgA1AA==

Network

Country Destination Domain Proto
AT 77.73.131.249:80 77.73.131.249 tcp

Files

memory/1416-54-0x000000013FE90000-0x0000000140196000-memory.dmp

memory/1416-55-0x000000001F760000-0x000000001FA46000-memory.dmp

memory/1416-56-0x000000001BB57000-0x000000001BB76000-memory.dmp

memory/1780-57-0x0000000000000000-mapping.dmp

memory/1780-58-0x000007FEFC451000-0x000007FEFC453000-memory.dmp

memory/1780-59-0x000007FEECEA0000-0x000007FEED8C3000-memory.dmp

memory/1780-60-0x000007FEEC340000-0x000007FEECE9D000-memory.dmp

memory/1780-62-0x000000000255B000-0x000000000257A000-memory.dmp

memory/1780-61-0x0000000002554000-0x0000000002557000-memory.dmp

memory/1780-63-0x000000000255B000-0x000000000257A000-memory.dmp

memory/1416-64-0x000000001D7B0000-0x000000001D886000-memory.dmp

memory/1416-65-0x000000001C7C0000-0x000000001C858000-memory.dmp

memory/1416-66-0x000000001D930000-0x000000001D9E4000-memory.dmp

memory/1416-67-0x000000001BC90000-0x000000001BCE6000-memory.dmp

memory/1416-69-0x000000001C280000-0x000000001C2D4000-memory.dmp

memory/1416-68-0x000000001D030000-0x000000001D0CB000-memory.dmp

memory/1416-70-0x000000001C6D0000-0x000000001C71C000-memory.dmp

memory/1416-71-0x000000001CBD0000-0x000000001CC24000-memory.dmp

memory/1416-72-0x000000001BB57000-0x000000001BB76000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-05 22:19

Reported

2023-02-05 22:24

Platform

win10-20220812-en

Max time kernel

143s

Max time network

197s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe"

Signatures

Detect PureCrypter injector

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

PureCrypter

loader downloader purecrypter

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe

"C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANgA1AA==

Network

Country Destination Domain Proto
AT 77.73.131.249:80 77.73.131.249 tcp

Files

memory/392-119-0x00000268023A0000-0x00000268026A6000-memory.dmp

memory/392-120-0x000002681CCB0000-0x000002681CF96000-memory.dmp

memory/392-121-0x00000268044A0000-0x00000268044C2000-memory.dmp

memory/3912-122-0x0000000000000000-mapping.dmp

memory/3912-132-0x0000018FCE6B0000-0x0000018FCE726000-memory.dmp

memory/392-140-0x000002681E210000-0x000002681E2E6000-memory.dmp

memory/392-141-0x000002681EC30000-0x000002681ECC8000-memory.dmp

memory/392-142-0x000002681ECD0000-0x000002681ED84000-memory.dmp

memory/392-143-0x000002681E2F0000-0x000002681E38B000-memory.dmp

memory/392-144-0x00000268029BA000-0x00000268029BF000-memory.dmp

memory/392-145-0x000002681E580000-0x000002681E5D6000-memory.dmp

memory/392-146-0x000002681EE80000-0x000002681EED4000-memory.dmp

memory/392-147-0x000002681EF40000-0x000002681EF8C000-memory.dmp

memory/392-148-0x000002681EF90000-0x000002681EFE4000-memory.dmp

memory/392-149-0x00000268029BA000-0x00000268029BF000-memory.dmp