Malware Analysis Report

2025-03-15 03:55

Sample ID 230812-zks8ksgd5y
Target ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8
SHA256 ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8
Tags
aspackv2 fatalrat infostealer 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

ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8

Threat Level: Known bad

The file ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8 was found to be: Known bad.

Malicious Activity Summary

aspackv2 fatalrat infostealer rat

FatalRat

Fatal Rat payload

Executes dropped EXE

ASPack v2.12-2.42

Program crash

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-12 20:47

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-12 20:46

Reported

2023-08-12 20:49

Platform

win7-20230712-en

Max time kernel

141s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe

"C:\Users\Admin\AppData\Local\Temp\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 116

Network

Country Destination Domain Proto
HK 39.109.115.130:16553 tcp

Files

memory/1152-56-0x0000000000340000-0x000000000035D000-memory.dmp

memory/1152-55-0x0000000000340000-0x000000000035D000-memory.dmp

memory/1152-57-0x00000000021B0000-0x00000000021F0000-memory.dmp

memory/1152-58-0x0000000000340000-0x000000000035D000-memory.dmp

memory/1152-59-0x00000000021B0000-0x00000000021F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-12 20:46

Reported

2023-08-12 20:49

Platform

win10v2004-20230703-en

Max time kernel

144s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe"

Signatures

FatalRat

infostealer rat fatalrat

Fatal Rat payload

rat infostealer
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

ASPack v2.12-2.42

aspackv2
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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe

"C:\Users\Admin\AppData\Local\Temp\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe"

C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe

"C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe"

Network

Country Destination Domain Proto
HK 39.109.115.130:16553 tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 126.131.241.8.in-addr.arpa udp
US 8.8.8.8:53 130.115.109.39.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
HK 39.109.115.130:16553 tcp
HK 39.109.115.130:5858 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 168.117.168.52.in-addr.arpa udp

Files

memory/4068-133-0x0000000000E00000-0x0000000000E1D000-memory.dmp

memory/4068-134-0x0000000000E00000-0x0000000000E1D000-memory.dmp

memory/4068-135-0x0000000000E00000-0x0000000000E1D000-memory.dmp

memory/4068-136-0x00000000013F0000-0x00000000014F0000-memory.dmp

memory/4068-137-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

memory/4068-139-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4068-138-0x0000000010000000-0x0000000010031000-memory.dmp

memory/4068-142-0x00000000014F0000-0x000000000151A000-memory.dmp

C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe

MD5 9eb3217ac274ced01d826fc87f35f11d
SHA1 6cd757027771caaf6f22f741e9b9158a3c6f9e6b
SHA256 ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8
SHA512 49382a278924414518657558e0129cd4ddc67f0e8fff81f55006ca28d7e2169babe8ce48d5ad33de950b35158c4cb72a94b08217dbcee810d8f5a733fc306268

memory/3800-158-0x0000000000C20000-0x0000000000C3D000-memory.dmp

C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe

MD5 9eb3217ac274ced01d826fc87f35f11d
SHA1 6cd757027771caaf6f22f741e9b9158a3c6f9e6b
SHA256 ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8
SHA512 49382a278924414518657558e0129cd4ddc67f0e8fff81f55006ca28d7e2169babe8ce48d5ad33de950b35158c4cb72a94b08217dbcee810d8f5a733fc306268

C:\Users\Admin\AppData\Local\ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8.exe

MD5 9eb3217ac274ced01d826fc87f35f11d
SHA1 6cd757027771caaf6f22f741e9b9158a3c6f9e6b
SHA256 ae8b0e57f441be4c3bd36928b5d886d51b68f50331d3d0e7ba8503f0fc5374d8
SHA512 49382a278924414518657558e0129cd4ddc67f0e8fff81f55006ca28d7e2169babe8ce48d5ad33de950b35158c4cb72a94b08217dbcee810d8f5a733fc306268

memory/3800-161-0x0000000000C20000-0x0000000000C3D000-memory.dmp

memory/3800-162-0x0000000000C20000-0x0000000000C3D000-memory.dmp

memory/4068-160-0x0000000000E00000-0x0000000000E1D000-memory.dmp

memory/3800-163-0x00000000008D0000-0x00000000009D0000-memory.dmp

memory/3800-165-0x00000000009D0000-0x0000000000A08000-memory.dmp

memory/3800-168-0x0000000000A20000-0x0000000000A4A000-memory.dmp

memory/3800-173-0x00000000008D0000-0x00000000009D0000-memory.dmp

memory/3800-174-0x0000000000C20000-0x0000000000C3D000-memory.dmp