Malware Analysis Report

2025-08-05 16:59

Sample ID 240108-d94vqabef3
Target 4a58fe4b13e88ac6f544dd335ee41c8f
SHA256 1d78620379dd7ca10686091c5e04f231be004e18d0051d46d52aaff1dcc07170
Tags
upx
score
7/10

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
7/10

SHA256

1d78620379dd7ca10686091c5e04f231be004e18d0051d46d52aaff1dcc07170

Threat Level: Shows suspicious behavior

The file 4a58fe4b13e88ac6f544dd335ee41c8f was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

UPX packed file

Executes dropped EXE

Loads dropped DLL

Deletes itself

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-08 03:43

Signatures

UPX packed file

upx
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-08 03:43

Reported

2024-01-08 03:46

Platform

win7-20231215-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe N/A

UPX packed file

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

"C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe"

C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 104.21.73.114:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 104.21.20.204:80 yxeepsek.net tcp

Files

memory/2052-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2052-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2052-1-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2052-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2668-18-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2668-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2668-26-0x0000000003410000-0x000000000363A000-memory.dmp

memory/2668-20-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2052-13-0x0000000003DD0000-0x00000000042BF000-memory.dmp

memory/2668-16-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

MD5 8c72a7a3df6ad571ba0d30f1fc7630a6
SHA1 77d50be2e1850743a9558305e4766a9b969d78fe
SHA256 3ac21a98698313703acf85cd9c487ed091c078538730fd48179c7548e147902c
SHA512 dd2b85ae9b602f416bfc3de6834584a3510c546a75dc0f57993f68eceb7b8121c7a3733bd75868d9e8072a66bf9b317748587a61267cc3a0e5324dd777e0d232

\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

MD5 aac525de92a06837c53cdc13b9d6a108
SHA1 0991b7a507c679f7a6a991d8e9fa5e09a9f57e60
SHA256 72bf6cddfe5702d9aad357cdc954d6d52af48924363eb99a1be58f43cfe17447
SHA512 0ed94e668b2fe50bab2d9155ac010d6efcb1221bfe8d64e7eb948796b35e3cbcdcb4375d2a6aadbf9a986ba41979818bb0d10fc74f0072efef22637addf202ed

memory/2052-31-0x0000000003DD0000-0x00000000042BF000-memory.dmp

memory/2668-32-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-08 03:43

Reported

2024-01-08 03:46

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe N/A

UPX packed file

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

"C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe"

C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

C:\Users\Admin\AppData\Local\Temp\4a58fe4b13e88ac6f544dd335ee41c8f.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 zipansion.com udp
US 104.21.73.114:80 zipansion.com tcp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 yxeepsek.net udp
US 204.79.197.200:443 g.bing.com tcp
US 104.21.20.204:80 yxeepsek.net tcp
US 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 21.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 204.20.21.104.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
US 8.8.8.8:53 udp
GB 87.248.205.0:80 tcp

Files

memory/4348-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4348-1-0x0000000001C50000-0x0000000001D83000-memory.dmp

memory/4348-2-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2464-15-0x0000000001DF0000-0x0000000001F23000-memory.dmp

memory/2464-20-0x00000000056F0000-0x000000000591A000-memory.dmp

memory/2464-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2464-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2464-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4348-12-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2464-28-0x0000000000400000-0x00000000008EF000-memory.dmp