Malware Analysis Report

2024-12-06 02:45

Sample ID 241110-a6ybzswbnm
Target 7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3
SHA256 7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3
Tags
healer redline discovery 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

7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3

Threat Level: Known bad

The file 7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

RedLine payload

Healer

Healer family

Redline family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

RedLine

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:50

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:50

Reported

2024-11-10 00:52

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Healer family

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\41949493.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\41949493.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\41949493.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\41949493.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.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\41949493.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Redline family

redline

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\IXP001.TMP\41949493.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.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\7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3.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\un650169.exe 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\IXP001.TMP\41949493.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk576841.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk576841.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4876 wrote to memory of 4328 N/A C:\Users\Admin\AppData\Local\Temp\7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe
PID 4876 wrote to memory of 4328 N/A C:\Users\Admin\AppData\Local\Temp\7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe
PID 4876 wrote to memory of 4328 N/A C:\Users\Admin\AppData\Local\Temp\7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe
PID 4328 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe
PID 4328 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe
PID 4328 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe
PID 4328 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk576841.exe
PID 4328 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk576841.exe
PID 4328 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk576841.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3.exe

"C:\Users\Admin\AppData\Local\Temp\7c9439ba5435f4011ac17fd1cc17c271d6c5253453bdc8240aeadc735470cfe3.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3844 -ip 3844

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk576841.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk576841.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un650169.exe

MD5 7bbe85f6b63a10a69fb1634cb5192676
SHA1 9befab7ccda814270df9e3bb392c2b2679c05725
SHA256 dcf45eb0cbbfa6c8c51465d936edb9a4163dd8f4e8111b8da82106b9abcb8b2e
SHA512 36f2ef6186b9954bbfde265458a20b73f6e0d1417e53b59f854b9d7e749de59eb6dbfe2db61b54f5fc6cb012ea3612a7236db7afecc1be0c115d787870bb456b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41949493.exe

MD5 403440c37a150576605963ff8dbb88f0
SHA1 deb7c0c3c52ca03450e975a1b05ad68f18201fac
SHA256 cd855df60597c4e882b37ec6a4665310e882145f784b60bd44d2a406a8e493ad
SHA512 1009a166c44ec21b07bf7d2f57c96c56b22404fc6131ad18a3d30b63b9610a0cd143dfece16b2de372f64dd343c3f4615ea68a0a58476612d6c44f42f41896bc

memory/3844-15-0x0000000002E10000-0x0000000002F10000-memory.dmp

memory/3844-16-0x00000000047B0000-0x00000000047DD000-memory.dmp

memory/3844-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3844-18-0x0000000004CF0000-0x0000000004D0A000-memory.dmp

memory/3844-19-0x0000000007280000-0x0000000007824000-memory.dmp

memory/3844-20-0x0000000007830000-0x0000000007848000-memory.dmp

memory/3844-22-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-48-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-46-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-44-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-43-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-40-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-39-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-36-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-34-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-32-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-30-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-28-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-26-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-24-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-21-0x0000000007830000-0x0000000007843000-memory.dmp

memory/3844-49-0x0000000002E10000-0x0000000002F10000-memory.dmp

memory/3844-51-0x00000000047B0000-0x00000000047DD000-memory.dmp

memory/3844-50-0x0000000000400000-0x0000000002B99000-memory.dmp

memory/3844-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3844-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk576841.exe

MD5 c6b4c0d548d919b5d3b0479326f6e876
SHA1 8740fc1f27ab6f8fe469a25be4b5e612283cf183
SHA256 928fa88c831cd14c34dadbed0d3fde3f4e3c42ff750fc0c207f382a658fc10e9
SHA512 61c81377c86eea432b6d837d8c62df7692705856f33931d6864f5451453e224950b1388bcb21058a1c747322888d4e1e1045e706194a6184016b7d2e67f4e198

memory/3844-54-0x0000000000400000-0x0000000002B99000-memory.dmp

memory/1176-60-0x00000000070E0000-0x000000000711C000-memory.dmp

memory/1176-61-0x0000000007180000-0x00000000071BA000-memory.dmp

memory/1176-73-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-83-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-95-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-93-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-91-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-89-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-87-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-85-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-81-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-79-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-77-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-75-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-71-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-69-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-67-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-65-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-63-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-62-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/1176-854-0x0000000009C70000-0x000000000A288000-memory.dmp

memory/1176-855-0x000000000A330000-0x000000000A342000-memory.dmp

memory/1176-856-0x000000000A350000-0x000000000A45A000-memory.dmp

memory/1176-857-0x000000000A470000-0x000000000A4AC000-memory.dmp

memory/1176-858-0x00000000049C0000-0x0000000004A0C000-memory.dmp