Malware Analysis Report

2025-03-14 22:35

Sample ID 240406-2d2x9ade69
Target 78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c
SHA256 78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c
Tags
persistence upx
score
9/10

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
9/10

SHA256

78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c

Threat Level: Likely malicious

The file 78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c was found to be: Likely malicious.

Malicious Activity Summary

persistence upx

UPX dump on OEP (original entry point)

Modifies AppInit DLL entries

Loads dropped DLL

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Enumerates connected drives

Drops file in Program Files directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-06 22:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 22:28

Reported

2024-04-06 22:31

Platform

win7-20240221-en

Max time kernel

142s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe"

Signatures

UPX dump on OEP (original entry point)

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Modifies AppInit DLL entries

persistence

ACProtect 1.3x - 1.4x DLL software

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe N/A
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe

"C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 www.aieov.com udp
US 45.56.79.23:80 www.aieov.com tcp
US 45.56.79.23:80 www.aieov.com tcp
US 45.56.79.23:80 www.aieov.com tcp
US 45.56.79.23:80 www.aieov.com tcp
US 45.56.79.23:80 www.aieov.com tcp
US 45.56.79.23:80 www.aieov.com tcp

Files

\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1504-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1504-5-0x00000000000E0000-0x0000000000106000-memory.dmp

memory/1504-12-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1504-13-0x0000000076A70000-0x0000000076AA5000-memory.dmp

memory/1504-16-0x0000000076A70000-0x0000000076AA5000-memory.dmp

memory/1504-17-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1504-23-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1504-27-0x0000000010000000-0x0000000010030000-memory.dmp

C:\Program Files\Common Files\System\symsrv.dll.000

MD5 1130c911bf5db4b8f7cf9b6f4b457623
SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

memory/1504-33-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1504-35-0x0000000010000000-0x0000000010030000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 22:28

Reported

2024-04-06 22:31

Platform

win10v2004-20231215-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe"

Signatures

UPX dump on OEP (original entry point)

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

ACProtect 1.3x - 1.4x DLL software

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe N/A
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe

"C:\Users\Admin\AppData\Local\Temp\78895d10c9ff80051a4dc72d61c07789f31187465b670b477bd859b83e216c5c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 www.aieov.com udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.79.56.45.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 5isohu.com udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 5isohu.com udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 45.56.79.23:80 www.aieov.com tcp

Files

C:\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1720-2-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1720-6-0x0000000000240000-0x0000000000266000-memory.dmp

memory/1720-12-0x0000000077860000-0x00000000778C3000-memory.dmp

memory/1720-13-0x0000000077860000-0x00000000778C3000-memory.dmp

memory/1720-17-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1720-20-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1720-24-0x0000000010000000-0x0000000010030000-memory.dmp

C:\Program Files\Common Files\System\symsrv.dll.000

MD5 1130c911bf5db4b8f7cf9b6f4b457623
SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

memory/1720-27-0x0000000077860000-0x00000000778C3000-memory.dmp

memory/1720-31-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1720-54-0x0000000077860000-0x00000000778C3000-memory.dmp

memory/1720-56-0x0000000077860000-0x00000000778C3000-memory.dmp