Malware Analysis Report

2025-01-18 04:54

Sample ID 241021-fraj9s1hnq
Target 2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader
SHA256 44ad90c5c9b26eb57351d420ec793353473c8f382dc4cb426c40e4bca4790da4
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

44ad90c5c9b26eb57351d420ec793353473c8f382dc4cb426c40e4bca4790da4

Threat Level: Known bad

The file 2024-10-21_827f627aaef021cc65eba223886d34a9_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

2024-10-21 05:05

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-21 05:05

Reported

2024-10-21 05:08

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_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\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3968 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 3968 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 3968 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 3968 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 3968 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 3968 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 3968 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe"

C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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

Files

memory/3968-0-0x000000007508E000-0x000000007508F000-memory.dmp

memory/3968-1-0x0000000000220000-0x000000000027C000-memory.dmp

memory/3968-2-0x00000000053B0000-0x0000000005954000-memory.dmp

memory/3968-3-0x0000000002700000-0x000000000270E000-memory.dmp

memory/3968-4-0x0000000075080000-0x0000000075830000-memory.dmp

memory/3968-5-0x0000000004C40000-0x0000000004C48000-memory.dmp

memory/3788-6-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe.log

MD5 03febbff58da1d3318c31657d89c8542
SHA1 c9e017bd9d0a4fe533795b227c855935d86c2092
SHA256 5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4
SHA512 3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3

memory/3968-10-0x0000000075080000-0x0000000075830000-memory.dmp

memory/3788-9-0x0000000075080000-0x0000000075830000-memory.dmp

memory/3788-11-0x0000000005270000-0x000000000530C000-memory.dmp

memory/3788-12-0x0000000005380000-0x00000000053E6000-memory.dmp

memory/3788-13-0x0000000075080000-0x0000000075830000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-21 05:05

Reported

2024-10-21 05:08

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_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\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2524 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 2524 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 2524 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 2524 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 2524 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 2524 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 2524 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe
PID 2524 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe"

C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-21_827f627aaef021cc65eba223886d34a9_hiddentear_hijackloader.exe"

Network

N/A

Files

memory/2524-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

memory/2524-1-0x00000000013E0000-0x000000000143C000-memory.dmp

memory/2524-2-0x00000000009C0000-0x00000000009CE000-memory.dmp

memory/2524-3-0x00000000009E0000-0x00000000009E8000-memory.dmp

memory/804-12-0x0000000000400000-0x0000000000408000-memory.dmp

memory/804-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/804-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/804-6-0x0000000000400000-0x0000000000408000-memory.dmp

memory/804-4-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2524-17-0x00000000742B0000-0x000000007499E000-memory.dmp

memory/804-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/804-18-0x00000000742B0000-0x000000007499E000-memory.dmp

memory/804-14-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2524-19-0x00000000742B0000-0x000000007499E000-memory.dmp

memory/804-20-0x00000000742B0000-0x000000007499E000-memory.dmp