Malware Analysis Report

2025-03-15 03:53

Sample ID 230812-hme1asae47
Target 1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519
SHA256 1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519
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

1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519

Threat Level: Known bad

The file 1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519 was found to be: Known bad.

Malicious Activity Summary

aspackv2 fatalrat infostealer rat

FatalRat

Fatal Rat payload

ASPack v2.12-2.42

Executes dropped EXE

Program crash

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-12 06:50

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 06:50

Reported

2023-08-12 06:53

Platform

win7-20230712-en

Max time kernel

141s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe

"C:\Users\Admin\AppData\Local\Temp\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 116

Network

Country Destination Domain Proto
HK 154.92.16.100:16553 tcp

Files

memory/1532-56-0x00000000008B0000-0x00000000008CD000-memory.dmp

memory/1532-55-0x00000000008B0000-0x00000000008CD000-memory.dmp

memory/1532-54-0x00000000008B0000-0x00000000008CD000-memory.dmp

memory/1532-57-0x0000000002510000-0x0000000002550000-memory.dmp

memory/1532-58-0x00000000008B0000-0x00000000008CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-12 06:50

Reported

2023-08-12 06:53

Platform

win10v2004-20230703-en

Max time kernel

144s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.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\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe N/A
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Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe

"C:\Users\Admin\AppData\Local\Temp\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe"

C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe

"C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
HK 154.92.16.100:16553 tcp
US 8.8.8.8:53 100.16.92.154.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
HK 154.92.16.100:16553 tcp
HK 154.92.16.100:8858 tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
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 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp

Files

memory/1584-133-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1584-134-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1584-135-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1584-136-0x0000000001300000-0x0000000001400000-memory.dmp

memory/1584-138-0x0000000010000000-0x0000000010031000-memory.dmp

memory/1584-137-0x0000000000E80000-0x0000000000E81000-memory.dmp

memory/1584-139-0x0000000001250000-0x0000000001288000-memory.dmp

memory/1584-142-0x0000000001290000-0x00000000012BA000-memory.dmp

C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe

MD5 d282040c9d730bd938b59221127cda01
SHA1 c7b33599f867961b3ebff699751cb31f84a2ebc7
SHA256 1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519
SHA512 a777394653ecf04d632ecf13a4b9581878c3d8fa953f4e4928846ae79bfa08399c50416a4b9dc9e7d30e98449cebd07d0e4b647c5172e96fe555289d8b663ea0

C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe

MD5 d282040c9d730bd938b59221127cda01
SHA1 c7b33599f867961b3ebff699751cb31f84a2ebc7
SHA256 1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519
SHA512 a777394653ecf04d632ecf13a4b9581878c3d8fa953f4e4928846ae79bfa08399c50416a4b9dc9e7d30e98449cebd07d0e4b647c5172e96fe555289d8b663ea0

memory/3252-158-0x0000000000E30000-0x0000000000E4D000-memory.dmp

memory/3252-161-0x0000000000E30000-0x0000000000E4D000-memory.dmp

memory/3252-162-0x0000000000E30000-0x0000000000E4D000-memory.dmp

memory/1584-160-0x0000000000400000-0x000000000041D000-memory.dmp

C:\Users\Admin\AppData\Local\1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519.exe

MD5 d282040c9d730bd938b59221127cda01
SHA1 c7b33599f867961b3ebff699751cb31f84a2ebc7
SHA256 1fa649d9365b3c2ff45f35af1bbf8ebdbdcc455928827475252e8417a07f2519
SHA512 a777394653ecf04d632ecf13a4b9581878c3d8fa953f4e4928846ae79bfa08399c50416a4b9dc9e7d30e98449cebd07d0e4b647c5172e96fe555289d8b663ea0

memory/3252-163-0x0000000000F10000-0x0000000001010000-memory.dmp

memory/3252-164-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3252-168-0x0000000000DD0000-0x0000000000DFA000-memory.dmp

memory/3252-173-0x0000000000F10000-0x0000000001010000-memory.dmp

memory/3252-174-0x0000000000E30000-0x0000000000E4D000-memory.dmp

memory/3252-175-0x0000000000400000-0x0000000000438000-memory.dmp