Malware Analysis Report

2024-10-19 09:04

Sample ID 240313-rbk7lsgc56
Target ATM Dekont E-Maili pdf.exe
SHA256 7199c9f3d8524e27b8fd14131f0992eb16433d0aa21563805f7fee29e773e719
Tags
purelogstealer stealer snakekeylogger zgrat collection keylogger persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

7199c9f3d8524e27b8fd14131f0992eb16433d0aa21563805f7fee29e773e719

Threat Level: Known bad

The file ATM Dekont E-Maili pdf.exe was found to be: Known bad.

Malicious Activity Summary

purelogstealer stealer snakekeylogger zgrat collection keylogger persistence rat

Snake Keylogger

Purelogstealer family

ZGRat

PureLog Stealer payload

Snake Keylogger payload

PureLog Stealer

Detect ZGRat V1

Accesses Microsoft Outlook profiles

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-13 14:01

Signatures

PureLog Stealer payload

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

Purelogstealer family

purelogstealer

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-13 14:01

Reported

2024-03-13 14:03

Platform

win7-20240215-en

Max time kernel

144s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe"

Signatures

PureLog Stealer

stealer purelogstealer

PureLog Stealer payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe

"C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cdn.discordapp.com udp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.130.233:443 cdn.discordapp.com tcp
US 162.159.135.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 162.159.134.233:443 cdn.discordapp.com tcp

Files

memory/2084-0-0x0000000001250000-0x00000000012A4000-memory.dmp

memory/2084-1-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

memory/2084-2-0x000000001AD00000-0x000000001AD80000-memory.dmp

memory/2084-3-0x00000000003E0000-0x00000000003EC000-memory.dmp

memory/2084-4-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

memory/2084-5-0x000000001AD00000-0x000000001AD80000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-13 14:01

Reported

2024-03-13 14:03

Platform

win10v2004-20240226-en

Max time kernel

136s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe"

Signatures

Detect ZGRat V1

Description Indicator Process Target
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PureLog Stealer

stealer purelogstealer

PureLog Stealer payload

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

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

Description Indicator Process Target
N/A N/A N/A N/A
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ZGRat

rat zgrat

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ssssssssssss = "C:\\Users\\Admin\\AppData\\Roaming\\ssssssssssss.exe" C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5048 set thread context of 3672 N/A C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe

"C:\Users\Admin\AppData\Local\Temp\ATM Dekont E-Maili pdf.exe"

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 cdn.discordapp.com udp
US 162.159.134.233:443 cdn.discordapp.com tcp
US 8.8.8.8:53 233.134.159.162.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
US 158.101.44.242:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 188.114.96.2:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 242.44.101.158.in-addr.arpa udp
US 8.8.8.8:53 2.96.114.188.in-addr.arpa udp
US 8.8.8.8:53 scratchdreams.tk udp
US 104.21.27.85:443 scratchdreams.tk tcp
US 8.8.8.8:53 85.27.21.104.in-addr.arpa udp
US 104.21.27.85:443 scratchdreams.tk tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

memory/5048-0-0x0000029BB0DC0000-0x0000029BB0E14000-memory.dmp

memory/5048-1-0x0000029BB11C0000-0x0000029BB11CC000-memory.dmp

memory/5048-2-0x00007FF832910000-0x00007FF8333D1000-memory.dmp

memory/5048-3-0x0000029BCB3C0000-0x0000029BCB3D0000-memory.dmp

memory/5048-4-0x0000029BCB4D0000-0x0000029BCB6C4000-memory.dmp

memory/5048-5-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-6-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-8-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-10-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-12-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-14-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-16-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-18-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-20-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-22-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-24-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-26-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-28-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-30-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-32-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-34-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-40-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-42-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-38-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-36-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-44-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-46-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-50-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-48-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-56-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-58-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-60-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-54-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-52-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-62-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-64-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-66-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-68-0x0000029BCB4D0000-0x0000029BCB6BD000-memory.dmp

memory/5048-2763-0x00007FF832910000-0x00007FF8333D1000-memory.dmp

memory/5048-3548-0x0000029BCB3C0000-0x0000029BCB3D0000-memory.dmp

memory/5048-4783-0x0000029BB11D0000-0x0000029BB11D1000-memory.dmp

memory/5048-4784-0x0000029BB2B10000-0x0000029BB2B4A000-memory.dmp

memory/5048-4785-0x0000029BCB370000-0x0000029BCB3BC000-memory.dmp

memory/5048-4789-0x00007FF832910000-0x00007FF8333D1000-memory.dmp

memory/3672-4791-0x0000000140000000-0x0000000140024000-memory.dmp

memory/3672-4790-0x00007FF832910000-0x00007FF8333D1000-memory.dmp

memory/3672-4792-0x00000224B5DC0000-0x00000224B5DD0000-memory.dmp

memory/3672-4793-0x00000224B5EE0000-0x00000224B5F30000-memory.dmp

memory/3672-4794-0x00000224B6100000-0x00000224B62C2000-memory.dmp

memory/3672-4795-0x00007FF832910000-0x00007FF8333D1000-memory.dmp

memory/3672-4796-0x00000224B5DC0000-0x00000224B5DD0000-memory.dmp