Malware Analysis Report

2025-01-23 07:39

Sample ID 241104-q7gzdszme1
Target b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07
SHA256 b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07
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

b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07

Threat Level: Known bad

The file b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Healer

Healer family

RedLine

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 13:53

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 13:53

Reported

2024-11-04 13:56

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07.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\IXP001.TMP\45647643.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\45647643.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\IXP001.TMP\45647643.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\45647643.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\45647643.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\45647643.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\IXP001.TMP\45647643.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.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\b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07.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\un156599.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\b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk628185.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk628185.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4252 wrote to memory of 1520 N/A C:\Users\Admin\AppData\Local\Temp\b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe
PID 4252 wrote to memory of 1520 N/A C:\Users\Admin\AppData\Local\Temp\b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe
PID 4252 wrote to memory of 1520 N/A C:\Users\Admin\AppData\Local\Temp\b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe
PID 1520 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe
PID 1520 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe
PID 1520 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe
PID 1520 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk628185.exe
PID 1520 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk628185.exe
PID 1520 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk628185.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07.exe

"C:\Users\Admin\AppData\Local\Temp\b73ee08514f39450beded961656e8b302b2d40aeaaf92c184a34a9ebc16b6c07.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1116 -ip 1116

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk628185.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk628185.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
RU 185.161.248.72:38452 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
RU 185.161.248.72:38452 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 185.161.248.72:38452 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
RU 185.161.248.72:38452 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
RU 185.161.248.72:38452 tcp
RU 185.161.248.72:38452 tcp
RU 185.161.248.72:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un156599.exe

MD5 3c148f05df249dcdbbb3b9cb46fc6a24
SHA1 77185ab353b2a3d5d8d8c9f99d1e22965f19020d
SHA256 07c5ac5b6dfd4b4064a6971e3fb86bb00359b038d0dc8a5a184784b17f9ee7f7
SHA512 051868c1481b4da6fe6ec774f0b19101179f591b8a725d18d5aa6ae33e49e499d2783149c453ec946b0738eb3654e094bb5cd87a9f5bde52f4ff4f3e856bfc0b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\45647643.exe

MD5 c99cbd90240ac51ec74010236987fc88
SHA1 0bcaab7ee99b7085cc9831a6015e39de2e69cda8
SHA256 cda9cc71e795b75612050d3d159848ff3dc55d7225dbe9d68382b0a883d50c2d
SHA512 5b9ef9680d92a32cb51cc52f009457bc3ec785cd77c7947489c42d3e4660a7d8d0b7c409b88b53f7ed2e1f4bde2d70fba26468aee1258962c86b048a2c1e9ae2

memory/1116-15-0x0000000000580000-0x0000000000680000-memory.dmp

memory/1116-16-0x0000000000550000-0x000000000057D000-memory.dmp

memory/1116-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1116-18-0x0000000000400000-0x0000000000466000-memory.dmp

memory/1116-19-0x0000000002380000-0x000000000239A000-memory.dmp

memory/1116-20-0x0000000004AA0000-0x0000000005044000-memory.dmp

memory/1116-21-0x0000000004A10000-0x0000000004A28000-memory.dmp

memory/1116-49-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-47-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-45-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-43-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-41-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-39-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-37-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-35-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-33-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-31-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-29-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-27-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-25-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-23-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-22-0x0000000004A10000-0x0000000004A22000-memory.dmp

memory/1116-50-0x0000000000580000-0x0000000000680000-memory.dmp

memory/1116-51-0x0000000000550000-0x000000000057D000-memory.dmp

memory/1116-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1116-55-0x0000000000400000-0x0000000000466000-memory.dmp

memory/1116-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk628185.exe

MD5 3239728db22636b6bd99f2ff6ec7cbb5
SHA1 fc5e0745ac66342ec9a9700ee8bb5cf1ccbfad7c
SHA256 db615da6d64eab53fd219031307bf43f6886b69bf53f142f2e6f63ee0fd7e828
SHA512 e9ab6f0802905337ca63aab6fce1f9fd61221411b0830e58907141c506da876db03f40e00c858d765407f7f2959c3852b188658a8165b629e5fe647d11d91270

memory/4312-61-0x00000000023A0000-0x00000000023DC000-memory.dmp

memory/4312-62-0x0000000004A50000-0x0000000004A8A000-memory.dmp

memory/4312-72-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-78-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-96-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-94-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-92-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-90-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-88-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-87-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-84-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-82-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-80-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-76-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-74-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-70-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-68-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-66-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-64-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-63-0x0000000004A50000-0x0000000004A85000-memory.dmp

memory/4312-855-0x0000000007570000-0x0000000007B88000-memory.dmp

memory/4312-856-0x0000000007C00000-0x0000000007C12000-memory.dmp

memory/4312-857-0x0000000007C20000-0x0000000007D2A000-memory.dmp

memory/4312-858-0x0000000007D40000-0x0000000007D7C000-memory.dmp

memory/4312-859-0x0000000002400000-0x000000000244C000-memory.dmp