Malware Analysis Report

2025-01-23 07:46

Sample ID 241108-eqft8avgja
Target f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c
SHA256 f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c
Tags
healer redline fukia 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

f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c

Threat Level: Known bad

The file f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Healer family

Redline family

RedLine

RedLine payload

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

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 AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 04:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 04:08

Reported

2024-11-08 04:11

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.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\eRI39ty.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\eRI39ty.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.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\eRI39ty.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\eRI39ty.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\IXP001.TMP\dxI76MY.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.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\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.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\naR66if76.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\eRI39ty.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4472 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe
PID 4472 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe
PID 4472 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe
PID 2656 wrote to memory of 1932 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe
PID 2656 wrote to memory of 1932 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe
PID 2656 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe
PID 2656 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe
PID 2656 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe
PID 4472 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe
PID 4472 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe
PID 4472 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe

"C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4568 -ip 4568

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 1088

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe

MD5 6052fa062b369e8ec94ece4cedbf6047
SHA1 a0381fdb0f32697c7c8933791f8e54356c6c5acc
SHA256 5a69b2a88d1b0cbf2157d3cc56167a439a6f8d203a1c2ee3ac81dbb8a8b02fa0
SHA512 2271cbb9edf813a3cb183f0bddd04e5d6ea4663403c80a1c1a9244455c7d99bc663d5e69c442460ea09d040b6270a8fdc2169d53542b36c5c65071997db78de8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe

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

memory/1932-15-0x00000000008F0000-0x00000000008FA000-memory.dmp

memory/1932-14-0x00007FFC9D833000-0x00007FFC9D835000-memory.dmp

memory/1932-16-0x00007FFC9D833000-0x00007FFC9D835000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe

MD5 304766f61a677814af31d2737d118b6f
SHA1 213a7e70d4f7d13e17ddff12152bcfe2c1cc2de4
SHA256 07c33396ed7ec1b40808aae921c50c552dc21b08beabbd5541b9fc9f062e08ac
SHA512 08c9202e988e4f6518a14f37b19eefc8b5901a2c07472140303c48535b67830e956759db3738b3bf63559220cb1e59f8045a2fad5d84530e9cb2e670740441ea

memory/4568-22-0x0000000002690000-0x00000000026AA000-memory.dmp

memory/4568-23-0x0000000004BB0000-0x0000000005154000-memory.dmp

memory/4568-24-0x0000000004B60000-0x0000000004B78000-memory.dmp

memory/4568-25-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-34-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-52-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-50-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-48-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-46-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-44-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-42-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-40-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-36-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-32-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-30-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-28-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-26-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-38-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/4568-53-0x0000000000400000-0x00000000005C6000-memory.dmp

memory/4568-55-0x0000000000400000-0x00000000005C6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/4364-59-0x0000000000BC0000-0x0000000000BF2000-memory.dmp

memory/4364-60-0x0000000005A50000-0x0000000006068000-memory.dmp

memory/4364-61-0x0000000005560000-0x000000000566A000-memory.dmp

memory/4364-62-0x0000000005490000-0x00000000054A2000-memory.dmp

memory/4364-63-0x0000000005510000-0x000000000554C000-memory.dmp

memory/4364-64-0x0000000005670000-0x00000000056BC000-memory.dmp