Malware Analysis Report

2025-01-23 07:46

Sample ID 241107-t4f5gawcke
Target 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c
SHA256 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c
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

997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c

Threat Level: Known bad

The file 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Healer family

Redline family

Healer

RedLine payload

RedLine

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 16:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 16:36

Reported

2024-11-07 16:39

Platform

win10v2004-20241007-en

Max time kernel

127s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.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\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.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\dbj21Ub.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.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\eHB43xy.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\eHB43xy.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\dbj21Ub.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\eHB43xy.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\eHB43xy.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.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\dbj21Ub.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\dbj21Ub.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\dbj21Ub.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\dbj21Ub.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.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\nwp36TZ50.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\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.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\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3272 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe
PID 3272 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe
PID 3272 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe
PID 4840 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe
PID 4840 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe
PID 4840 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe
PID 4840 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe
PID 4840 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe
PID 3272 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe
PID 3272 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe
PID 3272 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe

Processes

C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe

"C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4956 -ip 4956

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe

MD5 8d67ecbb52acccfe7592974236a8e144
SHA1 9631c33b791b42c8b068891703bc3cb19beeda5c
SHA256 69e4848631c84ee0acbf0c2eabfff5acb3f8f00395165111f4247b7dce2c8a64
SHA512 0963812e5543739323a7e200a5e7b1894bbb1ba98ec60593f00bbbd77a408ae48544fc7092febe0c000577026df869dcff6afcab5e86b093ad20a54af0277635

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe

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

memory/2244-14-0x00007FFD501E3000-0x00007FFD501E5000-memory.dmp

memory/2244-15-0x0000000000B70000-0x0000000000B7A000-memory.dmp

memory/2244-16-0x00007FFD501E3000-0x00007FFD501E5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe

MD5 af46fb17041be29f19051c67b043220e
SHA1 98b0491ed01c00ddbbc2fe0b276372a1b815cced
SHA256 1c9691dfabf284f47947e4bbebb7e0991a75eb18824aaaf3ccbe21137cbca901
SHA512 ffae0009b976e86d724afdffc53d82477dc62c5ed182df7701a2953300a780ca43fec192a974ef6d80820a4c8a4e1adaa9784eef6b8ac9d45f0c604dabff85ea

memory/4956-22-0x00000000026B0000-0x00000000026CA000-memory.dmp

memory/4956-23-0x0000000004DF0000-0x0000000005394000-memory.dmp

memory/4956-24-0x0000000002810000-0x0000000002828000-memory.dmp

memory/4956-25-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-34-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-50-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-48-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-46-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-45-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-42-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-40-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-38-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-36-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-32-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-30-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-28-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-26-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-52-0x0000000002810000-0x0000000002822000-memory.dmp

memory/4956-53-0x0000000000400000-0x0000000000759000-memory.dmp

memory/4956-55-0x0000000000400000-0x0000000000759000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/868-59-0x0000000000200000-0x0000000000232000-memory.dmp

memory/868-60-0x00000000051A0000-0x00000000057B8000-memory.dmp

memory/868-61-0x0000000004CE0000-0x0000000004DEA000-memory.dmp

memory/868-62-0x0000000004C10000-0x0000000004C22000-memory.dmp

memory/868-63-0x0000000004DF0000-0x0000000004E2C000-memory.dmp

memory/868-64-0x0000000004C70000-0x0000000004CBC000-memory.dmp