Malware Analysis Report

2025-01-18 04:53

Sample ID 241030-swar2swgkr
Target 2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader
SHA256 cd408aa67ec73ca9938dd4f97e1f520cd106466752c48d41547d9dee38efaef7
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

cd408aa67ec73ca9938dd4f97e1f520cd106466752c48d41547d9dee38efaef7

Threat Level: Known bad

The file 2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader was found to be: Known bad.

Malicious Activity Summary

revengerat spam discovery trojan

RevengeRAT

Revengerat family

.NET Reactor proctector

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-30 15:28

Signatures

.NET Reactor proctector

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-30 15:28

Reported

2024-10-30 15:30

Platform

win7-20241023-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

revengerat

.NET Reactor proctector

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

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\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2396 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 2396 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 2396 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 2396 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 2396 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 2396 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 2396 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 2396 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe"

C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe"

Network

N/A

Files

memory/2396-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

memory/2396-1-0x00000000001D0000-0x000000000022A000-memory.dmp

memory/2396-2-0x0000000074D20000-0x000000007540E000-memory.dmp

memory/2396-3-0x0000000000360000-0x0000000000368000-memory.dmp

memory/2160-4-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2160-9-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2160-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2160-6-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2160-5-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2160-13-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2160-11-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2396-14-0x0000000074D20000-0x000000007540E000-memory.dmp

memory/2160-15-0x0000000074D20000-0x000000007540E000-memory.dmp

memory/2160-16-0x0000000074D20000-0x000000007540E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-30 15:28

Reported

2024-10-30 15:31

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

revengerat

.NET Reactor proctector

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

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\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3336 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 3336 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 3336 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 3336 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 3336 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 3336 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe
PID 3336 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe"

C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/3336-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

memory/3336-1-0x00000000000A0000-0x00000000000FA000-memory.dmp

memory/3336-2-0x0000000074B80000-0x0000000075330000-memory.dmp

memory/3336-3-0x00000000053E0000-0x0000000005984000-memory.dmp

memory/532-5-0x0000000000400000-0x000000000040A000-memory.dmp

memory/3336-4-0x0000000004B20000-0x0000000004B28000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2024-10-30_cc9ab55b63738d3320e4249f210eb21a_hiddentear_hijackloader.exe.log

MD5 41c37de2b4598f7759f865817dba5f80
SHA1 884ccf344bc2dd409425dc5ace0fd909a5f8cce4
SHA256 427235491a8da3fc8770ed60d30af731835c94585cd08d4d81fca9f703b283bc
SHA512 a8f3c74916623de100e4cf22e05df9cdf541b1e32443aab0434f35fb9c4a7fa950b997ce589b532e65731ae471a1f152cd5c00ea1df4bd7a6b57eb27c93c54bd

memory/532-8-0x0000000074B80000-0x0000000075330000-memory.dmp

memory/3336-10-0x0000000074B80000-0x0000000075330000-memory.dmp

memory/532-9-0x0000000005790000-0x000000000582C000-memory.dmp

memory/532-11-0x0000000005860000-0x00000000058C6000-memory.dmp

memory/532-12-0x0000000074B80000-0x0000000075330000-memory.dmp