Malware Analysis Report

2025-05-06 01:34

Sample ID 241110-dxjzsaycrl
Target 21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4
SHA256 21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4
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

21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4

Threat Level: Known bad

The file 21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

RedLine payload

RedLine

Redline family

Modifies Windows Defender Real-time Protection settings

Healer family

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 03:23

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 03:23

Reported

2024-11-10 03:25

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.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\pr428109.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.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\pr428109.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\pr428109.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\pr428109.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.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\21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4.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\un590995.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\un835502.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\21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu505244.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu505244.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5044 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe
PID 5044 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe
PID 5044 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe
PID 1040 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe
PID 1040 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe
PID 1040 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe
PID 5088 wrote to memory of 428 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe
PID 5088 wrote to memory of 428 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe
PID 5088 wrote to memory of 428 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe
PID 5088 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu505244.exe
PID 5088 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu505244.exe
PID 5088 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu505244.exe

Processes

C:\Users\Admin\AppData\Local\Temp\21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4.exe

"C:\Users\Admin\AppData\Local\Temp\21afe0c3c050f685a2cc2f3bd89685b229eefc58b41f3fcc404a40bd12e416d4.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 428 -ip 428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu505244.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu505244.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.161.248.153:38452 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 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un590995.exe

MD5 25955c01064bbc34759fd0ac31688426
SHA1 629464255359155085cc5eebf0f4f341269e5923
SHA256 8b7d267d1d921cfa704164b6bd81e682aaff3253c761eca45f65c574e4bc53db
SHA512 f17b5a97aa8d1b2361d7465831779e82c8418f71ea69ca155663241ab2848465923a008d722a5acf0d47a45aa2514b4b0d9911efcf483b0be3572a667fa57269

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un835502.exe

MD5 2e8026bc71e4fc56c71e8be77c1907c0
SHA1 4ca043cf5e4891c9528d50bc0276819d216775eb
SHA256 b758b1dff7183e4824d0c092e4ca6abc99b754712dd38951516a524453e9df51
SHA512 219645d6d766fe0d1d6ab0a1171fed7fc372a40813e1f7204aefb2a027439ba6323fe7d488208d10318d0a28d6a869158cef821070b58bd559bdcd22c638aac1

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr428109.exe

MD5 ee9f6b9d26cdeb84465dd858cb09829a
SHA1 0355d24f32f6d6eb299edcbe5c6284493e206a40
SHA256 397c30933fb13c7f035623f8e0f9f83df10638cdf90c7a14dbb47a838ea40870
SHA512 103b67c3a2025107cbcc8746d64ea0a264333058c5b00c82618e1f4a03d1dc21a7792f40c28f0e2e834e8869cf981d512bb8f01f2def4a92b92d46f8fe24018e

memory/428-22-0x00000000048A0000-0x00000000048BA000-memory.dmp

memory/428-23-0x0000000007300000-0x00000000078A4000-memory.dmp

memory/428-24-0x0000000004E00000-0x0000000004E18000-memory.dmp

memory/428-25-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-52-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-50-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-46-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-44-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-42-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-40-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-39-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-36-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-34-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-32-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-30-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-29-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-26-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-48-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/428-53-0x0000000000400000-0x0000000002BB4000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu505244.exe

MD5 d573897fe91e51c611047ef1a5bf7c7c
SHA1 197e6d6036ecc8a4d9453a085c977df40fb4e329
SHA256 db685574cbb1191c3141fe59e1d4c737d36e58fcc08a992ed2628f10afa063da
SHA512 c7d38fb3697e537719061ac6fc438b04c5ea99e6afa5280cfe5f962d5f0ead508baf401f1d72c874efd8654fd269ad39d7ef738ec38f43a2a7b4ed8d9e9c7981

memory/428-55-0x0000000000400000-0x0000000002BB4000-memory.dmp

memory/4604-60-0x0000000007120000-0x000000000715C000-memory.dmp

memory/4604-61-0x0000000007760000-0x000000000779A000-memory.dmp

memory/4604-71-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-83-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-95-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-91-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-89-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-87-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-85-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-81-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-79-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-77-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-75-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-73-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-69-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-67-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-93-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-65-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-63-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-62-0x0000000007760000-0x0000000007795000-memory.dmp

memory/4604-858-0x0000000006B30000-0x0000000006B7C000-memory.dmp

memory/4604-857-0x000000000A4A0000-0x000000000A4DC000-memory.dmp

memory/4604-856-0x000000000A370000-0x000000000A47A000-memory.dmp

memory/4604-855-0x000000000A350000-0x000000000A362000-memory.dmp

memory/4604-854-0x0000000009C90000-0x000000000A2A8000-memory.dmp