Malware Analysis Report

2024-12-07 03:38

Sample ID 241110-f22fqs1bmh
Target a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575
SHA256 a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575
Tags
healer redline fusa 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

a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575

Threat Level: Known bad

The file a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575 was found to be: Known bad.

Malicious Activity Summary

healer redline fusa discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer

RedLine

Redline family

Healer family

RedLine payload

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 05:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 05:22

Reported

2024-11-10 05:25

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

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\btq71PQ.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\btq71PQ.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\btq71PQ.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\btq71PQ.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\btq71PQ.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\btq71PQ.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

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\btq71PQ.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.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_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\nnM82Sm.exe N/A
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\a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575.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\btq71PQ.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzB57Jl.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3016 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe
PID 3016 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe
PID 3016 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe
PID 1028 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe
PID 1028 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe
PID 1028 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe
PID 1028 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzB57Jl.exe
PID 1028 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzB57Jl.exe
PID 1028 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzB57Jl.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575.exe

"C:\Users\Admin\AppData\Local\Temp\a8991465e1839b8460bf69528a75fc629b51e5079f020a36768ab7f27e393575.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3924 -ip 3924

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzB57Jl.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzB57Jl.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 67.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnM82Sm.exe

MD5 c5a412e4db1441d7f6556d095f80e784
SHA1 0bac136638e0b1cd24b86f682122c25ed51619c7
SHA256 3a1861a8382a10d42efc0ac4a5a131e6172102024e4f5d985746c79f14281e52
SHA512 01ffa18a8433f84911000874d7b8f11f30390c28a4a06d9cba364f4aef99b00a1edc1d682bc3d3943628d645397c848c2a2e6a0e75a60452ceddcefd45b386c8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btq71PQ.exe

MD5 10ebdbd3b97101647f579e816a624c0b
SHA1 504e3a11a4ae58dbf156627cee7f49e89502d489
SHA256 0eae82f040db8b8af792d3e005b0486093320f12601be24065e7e5569e1f8c2c
SHA512 75d837bf685f529671c3be97702956de890d2a3c9f61f81c51a569363c6bedcbe367e5381f9636c78d5e96b286b77bcc8927fad4490517c80b30652ec67ec392

memory/3924-15-0x0000000000750000-0x0000000000850000-memory.dmp

memory/3924-16-0x0000000000670000-0x000000000069D000-memory.dmp

memory/3924-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3924-18-0x0000000000400000-0x000000000056C000-memory.dmp

memory/3924-19-0x0000000002200000-0x000000000221A000-memory.dmp

memory/3924-20-0x0000000004C10000-0x00000000051B4000-memory.dmp

memory/3924-21-0x00000000025A0000-0x00000000025B8000-memory.dmp

memory/3924-22-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-35-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-49-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-47-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-45-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-43-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-41-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-39-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-37-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-33-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-31-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-29-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-27-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-25-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-23-0x00000000025A0000-0x00000000025B2000-memory.dmp

memory/3924-50-0x0000000000750000-0x0000000000850000-memory.dmp

memory/3924-51-0x0000000000670000-0x000000000069D000-memory.dmp

memory/3924-53-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3924-55-0x0000000000400000-0x000000000056C000-memory.dmp

memory/3924-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzB57Jl.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/4428-60-0x0000000000690000-0x00000000006C2000-memory.dmp

memory/4428-61-0x0000000005600000-0x0000000005C18000-memory.dmp

memory/4428-62-0x0000000005170000-0x000000000527A000-memory.dmp

memory/4428-63-0x00000000050A0000-0x00000000050B2000-memory.dmp

memory/4428-64-0x0000000005100000-0x000000000513C000-memory.dmp

memory/4428-65-0x0000000005280000-0x00000000052CC000-memory.dmp