Malware Analysis Report

2024-11-15 09:56

Sample ID 241110-btwhaswjby
Target 7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106
SHA256 7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106
Tags
healer redline lint 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

7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106

Threat Level: Known bad

The file 7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106 was found to be: Known bad.

Malicious Activity Summary

healer redline lint discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer family

Redline family

Healer

RedLine payload

RedLine

Executes dropped EXE

Windows security modification

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 01:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:26

Reported

2024-11-10 01:29

Platform

win10v2004-20241007-en

Max time kernel

127s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106.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\IXP002.TMP\py32tP33.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\py32tP33.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\py32tP33.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\py32tP33.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.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\py32tP33.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.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\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.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\7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106.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\will8117.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\will4825.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\7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs8465WL.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3208 wrote to memory of 4168 N/A C:\Users\Admin\AppData\Local\Temp\7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe
PID 3208 wrote to memory of 4168 N/A C:\Users\Admin\AppData\Local\Temp\7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe
PID 3208 wrote to memory of 4168 N/A C:\Users\Admin\AppData\Local\Temp\7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe
PID 4168 wrote to memory of 3424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe
PID 4168 wrote to memory of 3424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe
PID 4168 wrote to memory of 3424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe
PID 3424 wrote to memory of 3848 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe
PID 3424 wrote to memory of 3848 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe
PID 3424 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe
PID 3424 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe
PID 3424 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe
PID 4168 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs8465WL.exe
PID 4168 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs8465WL.exe
PID 4168 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs8465WL.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106.exe

"C:\Users\Admin\AppData\Local\Temp\7b1be61f15cf98f4197d22342645f3d176c4fd7eee94d968fcc07ea79ed5a106.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2776 -ip 2776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs8465WL.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs8465WL.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
RU 193.233.20.28:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will8117.exe

MD5 1ae63eb05dc35619e0142e446d3d31c6
SHA1 fae911db24538f8616c14ad795e5fa06afa83031
SHA256 b314211f04d343ff8f3973e0ef95211563761e337d59bc437ec8dd46444ed2a5
SHA512 6effc6cede16c9dc9d349824d451691ff25cfca4b61b7c4101f3f3579b5cccfb5122ae71c600f50c1a74e8bd1a06c87cb14b937a54f26d6bd3f33df340443995

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will4825.exe

MD5 4d5a29085e044ffe904a4164de7300ff
SHA1 b9c97e48068b75bceeee604803205a7939c3a9d2
SHA256 c4a3c7003d427a16d8030d0727766e293caf2a52611e8bbe90fa029c48d06189
SHA512 acbd377c9bd2c5fb8c982af575fbda1e0d512c9609041c466e4c22fa475c408411a678d08677156cec7488099d99c466d434ac816993e502ce442bf3a2183925

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns7854UX.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/3848-21-0x00007FF821B43000-0x00007FF821B45000-memory.dmp

memory/3848-22-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

memory/3848-23-0x00007FF821B43000-0x00007FF821B45000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py32tP33.exe

MD5 d09c27638f5e7effa8cf25d1532d5383
SHA1 a953c4973adb1be6fcfb464029b33d510aa8f997
SHA256 241ddd2d4a3229916d5b4f557f60072e8f14a54c2c23946a871e5225a6b3d201
SHA512 4d80f4982cefc4b18b9df76749bcde8a007ebbf358fbe5cc89037bf24594597af40b9aca0ad399c574ed9c7b1a20aa4cf3f01c9fd60c0beb173955103e61a08f

memory/2776-29-0x0000000002420000-0x000000000243A000-memory.dmp

memory/2776-30-0x0000000004B80000-0x0000000005124000-memory.dmp

memory/2776-31-0x0000000002500000-0x0000000002518000-memory.dmp

memory/2776-32-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-37-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-59-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-57-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-55-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-53-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-51-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-49-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-47-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-45-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-43-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-41-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-39-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-35-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-33-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2776-60-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2776-62-0x0000000000400000-0x00000000004B8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs8465WL.exe

MD5 0ecc8ab62b7278cc6650517251f1543c
SHA1 b4273cda193a20d48e83241275ffc34ddad412f2
SHA256 b0f1238e54ac8e3534af7ecb4f834bea3223120fedb1eab80f7a1bf00fb5b97a
SHA512 c79d266c82b766ca39377fd02b3bc307fce4b59f53936e97c162200de3f8b3f72f6beda2aef2ab9ecd9be669b625c6ed0aaefa157cca7ac11d78b1939f660092

memory/4072-66-0x0000000000C20000-0x0000000000C52000-memory.dmp

memory/4072-67-0x0000000005BA0000-0x00000000061B8000-memory.dmp

memory/4072-68-0x0000000005700000-0x000000000580A000-memory.dmp

memory/4072-69-0x0000000005630000-0x0000000005642000-memory.dmp

memory/4072-70-0x00000000056C0000-0x00000000056FC000-memory.dmp

memory/4072-71-0x0000000005650000-0x000000000569C000-memory.dmp