Malware Analysis Report

2025-01-18 04:54

Sample ID 241018-zhj7wsxcpd
Target 2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader
SHA256 c6150579a9208a1a276639799cc9c6b6021f6cca3b30c2d2d1c67fd4ffd353a9
Tags
revengerat spam discovery trojan
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

c6150579a9208a1a276639799cc9c6b6021f6cca3b30c2d2d1c67fd4ffd353a9

Threat Level: Known bad

The file 2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader was found to be: Known bad.

Malicious Activity Summary

revengerat spam discovery trojan

RevengeRAT

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-18 20:43

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-18 20:43

Reported

2024-10-18 20:45

Platform

win7-20240903-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe"

Signatures

RevengeRAT

trojan revengerat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2080 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 2080 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 2080 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 2080 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 2080 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 2080 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 2080 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 2080 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe"

C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe"

Network

N/A

Files

memory/2080-0-0x000000007436E000-0x000000007436F000-memory.dmp

memory/2080-1-0x0000000000950000-0x00000000009AC000-memory.dmp

memory/2080-2-0x00000000003B0000-0x00000000003BE000-memory.dmp

memory/2080-3-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2080-4-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2084-11-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2084-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2084-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2084-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2084-5-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2084-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2084-13-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2080-16-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2084-17-0x0000000074360000-0x0000000074A4E000-memory.dmp

memory/2084-18-0x0000000074360000-0x0000000074A4E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-18 20:43

Reported

2024-10-18 20:45

Platform

win10v2004-20241007-en

Max time kernel

99s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe"

Signatures

RevengeRAT

trojan revengerat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3748 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 3748 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 3748 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 3748 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 3748 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 3748 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe
PID 3748 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe"

C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/3748-0-0x000000007443E000-0x000000007443F000-memory.dmp

memory/3748-1-0x0000000000BC0000-0x0000000000C1C000-memory.dmp

memory/3748-2-0x0000000005BB0000-0x0000000006154000-memory.dmp

memory/3748-3-0x00000000055B0000-0x00000000055BE000-memory.dmp

memory/3748-4-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/3748-5-0x00000000055D0000-0x00000000055D8000-memory.dmp

memory/2104-6-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2024-10-18_25efc0ddf66616f5848ea55bec0290bb_hiddentear_hijackloader.exe.log

MD5 03febbff58da1d3318c31657d89c8542
SHA1 c9e017bd9d0a4fe533795b227c855935d86c2092
SHA256 5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4
SHA512 3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3

memory/2104-9-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/3748-11-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/2104-10-0x0000000005780000-0x000000000581C000-memory.dmp

memory/2104-12-0x0000000005890000-0x00000000058F6000-memory.dmp

memory/2104-13-0x0000000074430000-0x0000000074BE0000-memory.dmp