Malware Analysis Report

2024-10-16 03:50

Sample ID 240422-1nnmyagh3v
Target 4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658
SHA256 4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658
Tags
healer redline zgrat dropper evasion infostealer persistence rat 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 Overview

score
10/10

SHA256

4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658

Threat Level: Known bad

The file 4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658 was found to be: Known bad.

Malicious Activity Summary

healer redline zgrat dropper evasion infostealer persistence rat trojan

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

Detects Healer an antivirus disabler dropper

ZGRat

RedLine

Detect ZGRat V1

Detects executables packed with ConfuserEx Mod

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-22 21:47

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-04-22 21:47

Reported

2024-04-22 21:50

Platform

win10v2004-20240412-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658.exe"

Signatures

Detect ZGRat V1

Description Indicator Process Target
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Detects Healer an antivirus disabler dropper

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Healer

dropper healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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ZGRat

rat zgrat

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Description Indicator Process Target
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Detects executables packed with ConfuserEx Mod

Description Indicator Process Target
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Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu100848.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4540 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe
PID 4540 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe
PID 4540 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe
PID 1996 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe
PID 1996 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe
PID 1996 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe
PID 1996 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu100848.exe
PID 1996 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu100848.exe
PID 1996 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu100848.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658.exe

"C:\Users\Admin\AppData\Local\Temp\4d7f6c2eae7ed4296c464bd766ac39624281b2910b491c82811c1140b9ea6658.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2816 -ip 2816

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 1028

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu100848.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu100848.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 67.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 132.250.30.184.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 49.15.97.104.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
IE 52.111.236.23:443 tcp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un967469.exe

MD5 f63e0039974791d3df10f319af23c6ef
SHA1 f63c87c01ba1b018e50531bee626ece4afb80ad7
SHA256 cf5b4e60da46a9dfdd5a11f200bf40a2745af5e839cb0a562a736d7e0240c065
SHA512 e392edb94594bf5b4255f33e875afb9d3f5c0bafc3de7f28f30055c915d65b8e803024deecb120c321216ea7d58575ac97e673698e3d8862dbc72ba850a4db10

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr066793.exe

MD5 d55d56de75d02cdadfbf5af0525f1db3
SHA1 db33cce6071696b1a9459d82f0586cbb35df9c57
SHA256 efa287fab819d949fa2a8559c2135ee4cb1296b54bd5b79a197e4f5c35036c5a
SHA512 caa7beeac8a3ae8724e28129c2a822ee8c68a683cdc77a8563b0fe98d766f2e5bdb4a36daeb908332018c9cdfb7c6f12e23c0ee6d0fb307238cbe7fdd4023ac0

memory/2816-15-0x0000000002E90000-0x0000000002F90000-memory.dmp

memory/2816-16-0x0000000002C90000-0x0000000002CBD000-memory.dmp

memory/2816-17-0x0000000004830000-0x000000000484A000-memory.dmp

memory/2816-18-0x0000000000400000-0x0000000002BB4000-memory.dmp

memory/2816-19-0x0000000007460000-0x0000000007A04000-memory.dmp

memory/2816-23-0x0000000007450000-0x0000000007460000-memory.dmp

memory/2816-21-0x0000000004890000-0x00000000048A8000-memory.dmp

memory/2816-20-0x0000000007450000-0x0000000007460000-memory.dmp

memory/2816-22-0x0000000007450000-0x0000000007460000-memory.dmp

memory/2816-24-0x0000000073F30000-0x00000000746E0000-memory.dmp

memory/2816-34-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-38-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-52-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-50-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-48-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-46-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-44-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-42-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-40-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-36-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-32-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-30-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-28-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-26-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-25-0x0000000004890000-0x00000000048A2000-memory.dmp

memory/2816-53-0x0000000000400000-0x0000000002BB4000-memory.dmp

memory/2816-55-0x0000000000400000-0x0000000002BB4000-memory.dmp

memory/2816-56-0x0000000073F30000-0x00000000746E0000-memory.dmp

memory/2816-57-0x0000000002C90000-0x0000000002CBD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu100848.exe

MD5 3bea2550962e1630579639d8e61ba069
SHA1 b5cb58f4e844e6d40cdc6c10ec5514d9e59fed69
SHA256 805949e5452744035797b5b61bc9c3777e9c9c5af1165b6765c0156aaceb7179
SHA512 3258d7cf8c9e8fdd764c2e074309a77875c8501071dffdcad99e8282a0793a3f7c741cf0c4a009890609fffdf2bbea25427fe1ebdedfb9b00a3e1ff456295267

memory/3124-62-0x0000000002D00000-0x0000000002E00000-memory.dmp

memory/3124-63-0x0000000007140000-0x000000000717C000-memory.dmp

memory/3124-64-0x0000000007790000-0x00000000077CA000-memory.dmp

memory/3124-65-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-66-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-69-0x0000000007190000-0x00000000071A0000-memory.dmp

memory/3124-71-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-70-0x0000000007190000-0x00000000071A0000-memory.dmp

memory/3124-73-0x0000000007190000-0x00000000071A0000-memory.dmp

memory/3124-67-0x0000000000400000-0x0000000002BC9000-memory.dmp

memory/3124-75-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-74-0x0000000002BD0000-0x0000000002C16000-memory.dmp

memory/3124-77-0x0000000073F30000-0x00000000746E0000-memory.dmp

memory/3124-80-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-78-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-82-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-84-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-86-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-92-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-90-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-94-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-88-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-98-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-96-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-102-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-100-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-104-0x0000000007790000-0x00000000077C5000-memory.dmp

memory/3124-863-0x0000000009C90000-0x000000000A2A8000-memory.dmp

memory/3124-865-0x000000000A370000-0x000000000A47A000-memory.dmp

memory/3124-864-0x000000000A350000-0x000000000A362000-memory.dmp

memory/3124-866-0x0000000007190000-0x00000000071A0000-memory.dmp

memory/3124-867-0x000000000A4A0000-0x000000000A4DC000-memory.dmp

memory/3124-868-0x0000000004AA0000-0x0000000004AEC000-memory.dmp

memory/3124-870-0x0000000002D00000-0x0000000002E00000-memory.dmp

memory/3124-872-0x0000000007190000-0x00000000071A0000-memory.dmp

memory/3124-873-0x0000000007190000-0x00000000071A0000-memory.dmp

memory/3124-874-0x0000000073F30000-0x00000000746E0000-memory.dmp

memory/3124-875-0x0000000007190000-0x00000000071A0000-memory.dmp