Malware Analysis Report

2024-07-28 11:06

Sample ID 240526-lw79zsec6s
Target 8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae
SHA256 8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae
Tags
pyinstaller oss_ak
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae

Threat Level: Likely malicious

The file 8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae was found to be: Likely malicious.

Malicious Activity Summary

pyinstaller oss_ak

detect oss ak

Detects Pyinstaller

Unsigned PE

NSIS installer

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-26 09:54

Signatures

detect oss ak

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

Detects Pyinstaller

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

Unsigned PE

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

NSIS installer

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-26 09:54

Reported

2024-05-26 09:56

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe"

Signatures

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe

"C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.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 --field-trial-handle=3772,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=4312 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
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 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
US 8.8.8.8:53 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-26 09:54

Reported

2024-05-26 09:56

Platform

win7-20240221-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe"

Signatures

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe

"C:\Users\Admin\AppData\Local\Temp\8daa56809a5a10d532dfa89bf0f4ff1b0354e6fbf32518d3d2743b698dc413ae.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
US 8.8.8.8:53 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com udp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp
CN 8.134.41.196:443 ydzy8112beiyong.oss-cn-guangzhou.aliyuncs.com tcp

Files

N/A