Malware Analysis Report

2024-10-16 03:51

Sample ID 240507-jqrnyafe4x
Target 982f1ee50adb5f73ac1c2572177697c0_NEAS
SHA256 1187636d6e514eb6a1ebb708504da23f9a3ed6065b30e5bef5531cb485fecb34
Tags
healer redline mask dropper evasion infostealer persistence 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

1187636d6e514eb6a1ebb708504da23f9a3ed6065b30e5bef5531cb485fecb34

Threat Level: Known bad

The file 982f1ee50adb5f73ac1c2572177697c0_NEAS was found to be: Known bad.

Malicious Activity Summary

healer redline mask dropper evasion infostealer persistence trojan

Healer

Detects Healer an antivirus disabler dropper

RedLine

RedLine payload

Modifies Windows Defender Real-time Protection settings

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-07 07:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-07 07:52

Reported

2024-05-07 07:55

Platform

win10v2004-20240419-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\982f1ee50adb5f73ac1c2572177697c0_NEAS.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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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\IXP002.TMP\a4856622.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\IXP002.TMP\a4856622.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\IXP002.TMP\a4856622.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\IXP002.TMP\a4856622.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.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\IXP002.TMP\a4856622.exe N/A

RedLine

infostealer redline

RedLine payload

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

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.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\982f1ee50adb5f73ac1c2572177697c0_NEAS.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\v7984279.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1320 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\982f1ee50adb5f73ac1c2572177697c0_NEAS.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe
PID 1320 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\982f1ee50adb5f73ac1c2572177697c0_NEAS.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe
PID 1320 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\982f1ee50adb5f73ac1c2572177697c0_NEAS.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe
PID 2772 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe
PID 2772 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe
PID 2772 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe
PID 60 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe
PID 60 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe
PID 60 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe
PID 60 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3244374.exe
PID 60 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3244374.exe
PID 60 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3244374.exe

Processes

C:\Users\Admin\AppData\Local\Temp\982f1ee50adb5f73ac1c2572177697c0_NEAS.exe

"C:\Users\Admin\AppData\Local\Temp\982f1ee50adb5f73ac1c2572177697c0_NEAS.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2704 -ip 2704

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 1088

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3244374.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3244374.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
GB 23.73.138.75:443 www.bing.com tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 75.138.73.23.in-addr.arpa udp
DE 217.196.96.56:4138 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
DE 217.196.96.56:4138 tcp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
DE 217.196.96.56:4138 tcp
US 8.8.8.8:53 14.251.17.2.in-addr.arpa udp
DE 217.196.96.56:4138 tcp
US 8.8.8.8:53 22.236.111.52.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 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
DE 217.196.96.56:4138 tcp
DE 217.196.96.56:4138 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7984279.exe

MD5 d25e2ce5ea9cb520fd36f23c0a6c15c1
SHA1 26b249c852ebe86a4691b9be08025d6b2883f2f5
SHA256 9e022c43c86ed75b361e6fe91818993d249a25fb7b811084a6d8b50fe40c5750
SHA512 1574b5bffbcc308b43f3603466b6888d259a47db8018a57cc28793196b1337ccb80e6be5e8c1e488ee1d664fcfbdd803488ae5ad889764928991f952f8f1c31c

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7466960.exe

MD5 0d12ebdb4204e31ae596570beca05c95
SHA1 dab31a9ec3fc3c697d8f05c7a8f53592d2d79109
SHA256 8506e4f2b70cebacc87978a1517e70fd9dde742fb508b531910b5f5aa8e04b4d
SHA512 378dd9dfd316ce4ae20051a2ebdf6452abe6b9bbec156cb85b34f719682907e39542e6d42ddb64c3815a616cedd0e3770f01f456681a32b1c218b2e15a578266

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4856622.exe

MD5 96e310c44e12bd61baaa332837c729fd
SHA1 427043b6eaf1a567cdca38c6494172c13b4acbbc
SHA256 36a82377079e777f3e51be237e5c0cfeb98e6fc92a007883084b2b1addfd3848
SHA512 11f7a1244365682dde0e2189b69c4730aa5a1d050701ede3b5ac22ff9c6f67524cdf907c350090666a988ef9dae37831786c7d4a3750afc587c84099e19d1e97

memory/2704-22-0x00007FFCB2950000-0x00007FFCB2B45000-memory.dmp

memory/2704-23-0x0000000002030000-0x000000000204A000-memory.dmp

memory/2704-24-0x0000000004B60000-0x0000000005104000-memory.dmp

memory/2704-25-0x0000000004A30000-0x0000000004A48000-memory.dmp

memory/2704-53-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-51-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-49-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-47-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-45-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-43-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-41-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-39-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-37-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-35-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-33-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-31-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-29-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-27-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-26-0x0000000004A30000-0x0000000004A42000-memory.dmp

memory/2704-55-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2704-56-0x00007FFCB2950000-0x00007FFCB2B45000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3244374.exe

MD5 9132bba06b9d0ebfee0e477a3b57cacb
SHA1 455f9186839bac0bf606eeb26913dfa66dddc1de
SHA256 0395577f64749c2beade133832f8bfa2d2ba4be83218d5033a8a98cc877d97d9
SHA512 6d81f1a229f8173ce21e3c25bf2a1fd33e5971e0d82c3806c2d1938d368f31d91b35b0230ff46cbc74073e7934548fcad7856bb6e7e8109549590a875bf7f278

memory/1652-60-0x0000000000150000-0x0000000000180000-memory.dmp

memory/1652-61-0x0000000004930000-0x0000000004936000-memory.dmp

memory/1652-62-0x0000000005250000-0x0000000005868000-memory.dmp

memory/1652-63-0x0000000004D40000-0x0000000004E4A000-memory.dmp

memory/1652-64-0x0000000004A00000-0x0000000004A12000-memory.dmp

memory/1652-65-0x0000000004C70000-0x0000000004CAC000-memory.dmp

memory/1652-66-0x0000000004CC0000-0x0000000004D0C000-memory.dmp