Malware Analysis Report

2025-01-18 04:48

Sample ID 241030-qa8e3stflb
Target 2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader
SHA256 c9997d5664a47fac12a286025f182ae425a9cf65795ec237b9649a45348273d3
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

c9997d5664a47fac12a286025f182ae425a9cf65795ec237b9649a45348273d3

Threat Level: Known bad

The file 2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_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 13:04

Signatures

.NET Reactor proctector

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-30 13:04

Reported

2024-10-30 13:07

Platform

win7-20240903-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_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_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2364 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 2364 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 2364 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 2364 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 2364 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 2364 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 2364 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 2364 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe"

C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe"

Network

N/A

Files

memory/2364-0-0x000000007468E000-0x000000007468F000-memory.dmp

memory/2364-1-0x0000000000B90000-0x0000000000BEA000-memory.dmp

memory/2364-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

memory/2364-3-0x00000000002A0000-0x00000000002A8000-memory.dmp

memory/2052-4-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-16-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-14-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-12-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2052-8-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-6-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-18-0x0000000074680000-0x0000000074D6E000-memory.dmp

memory/2364-17-0x0000000074680000-0x0000000074D6E000-memory.dmp

memory/2052-19-0x0000000074680000-0x0000000074D6E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-30 13:04

Reported

2024-10-30 13:07

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_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_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1556 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 1556 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 1556 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 1556 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 1556 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 1556 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe
PID 1556 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe"

C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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/1556-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

memory/1556-1-0x00000000000D0000-0x000000000012A000-memory.dmp

memory/1556-2-0x0000000074B00000-0x00000000752B0000-memory.dmp

memory/1556-3-0x0000000005330000-0x00000000058D4000-memory.dmp

memory/1556-4-0x0000000004B40000-0x0000000004B48000-memory.dmp

memory/3344-5-0x0000000000400000-0x000000000040A000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2024-10-30_c9ad8f950e975cecfc2e85b79326b4f4_hiddentear_hijackloader.exe.log

MD5 41c37de2b4598f7759f865817dba5f80
SHA1 884ccf344bc2dd409425dc5ace0fd909a5f8cce4
SHA256 427235491a8da3fc8770ed60d30af731835c94585cd08d4d81fca9f703b283bc
SHA512 a8f3c74916623de100e4cf22e05df9cdf541b1e32443aab0434f35fb9c4a7fa950b997ce589b532e65731ae471a1f152cd5c00ea1df4bd7a6b57eb27c93c54bd

memory/3344-8-0x0000000074B00000-0x00000000752B0000-memory.dmp

memory/3344-10-0x00000000054D0000-0x000000000556C000-memory.dmp

memory/1556-9-0x0000000074B00000-0x00000000752B0000-memory.dmp

memory/3344-11-0x00000000055E0000-0x0000000005646000-memory.dmp

memory/3344-12-0x0000000074B00000-0x00000000752B0000-memory.dmp