Malware Analysis Report

2024-10-19 09:04

Sample ID 240318-cx3lfsec85
Target c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe
SHA256 c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c
Tags
purelogstealer zgrat rat stealer
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

c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c

Threat Level: Known bad

The file c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe was found to be: Known bad.

Malicious Activity Summary

purelogstealer zgrat rat stealer

PureLog Stealer payload

Purelogstealer family

Detect ZGRat V1

PureLog Stealer

ZGRat

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-18 02:28

Signatures

PureLog Stealer payload

Description Indicator Process Target
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Purelogstealer family

purelogstealer

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-03-18 02:28

Reported

2024-03-18 02:30

Platform

win7-20240221-en

Max time kernel

131s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe"

Signatures

Detect ZGRat V1

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PureLog Stealer

stealer purelogstealer

PureLog Stealer payload

Description Indicator Process Target
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ZGRat

rat zgrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe

"C:\Users\Admin\AppData\Local\Temp\c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe"

Network

N/A

Files

memory/2256-0-0x0000000074950000-0x000000007503E000-memory.dmp

memory/2256-1-0x0000000000E90000-0x000000000142C000-memory.dmp

memory/2256-2-0x0000000000640000-0x0000000000680000-memory.dmp

memory/2256-3-0x00000000063F0000-0x00000000068FE000-memory.dmp

memory/2256-4-0x0000000006900000-0x0000000006E0A000-memory.dmp

memory/2256-5-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-6-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-8-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-10-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-12-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-14-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-16-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-18-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-20-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-22-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-24-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-26-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-28-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-30-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-32-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-34-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-36-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-38-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-40-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-42-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-44-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-46-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-48-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-50-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-52-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-54-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-56-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-58-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-60-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-62-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-64-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-66-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-68-0x0000000006900000-0x0000000006E05000-memory.dmp

memory/2256-1589-0x0000000074950000-0x000000007503E000-memory.dmp

memory/2256-1797-0x0000000000640000-0x0000000000680000-memory.dmp

memory/2256-4783-0x00000000002C0000-0x00000000002C1000-memory.dmp

memory/2256-4784-0x0000000009060000-0x00000000093B2000-memory.dmp

memory/2256-4785-0x0000000000D30000-0x0000000000D7C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-18 02:28

Reported

2024-03-18 02:31

Platform

win10v2004-20240226-en

Max time kernel

157s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe"

Signatures

Detect ZGRat V1

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PureLog Stealer

stealer purelogstealer

PureLog Stealer payload

Description Indicator Process Target
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ZGRat

rat zgrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe

"C:\Users\Admin\AppData\Local\Temp\c875d48e9242fff77283972803a88ca27a9045381a42c57c94f105cee7e0549c.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 1.173.189.20.in-addr.arpa udp

Files

memory/1376-0-0x0000000075310000-0x0000000075AC0000-memory.dmp

memory/1376-1-0x00000000006E0000-0x0000000000C7C000-memory.dmp

memory/1376-2-0x00000000057F0000-0x0000000005800000-memory.dmp

memory/1376-3-0x0000000006930000-0x0000000006E3E000-memory.dmp

memory/1376-4-0x0000000006E40000-0x000000000734A000-memory.dmp

memory/1376-5-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-6-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-8-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-10-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-12-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-14-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-16-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-18-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-20-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-22-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-24-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-26-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-28-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-30-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-32-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-34-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-36-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-38-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-40-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-42-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-44-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-46-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-48-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-50-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-52-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-54-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-56-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-58-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-60-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-62-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-64-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-66-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-68-0x0000000006E40000-0x0000000007345000-memory.dmp

memory/1376-227-0x0000000075310000-0x0000000075AC0000-memory.dmp

memory/1376-494-0x00000000057F0000-0x0000000005800000-memory.dmp