Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-yp3r5syeql
Target 28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7
SHA256 28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7
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

28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7

Threat Level: Known bad

The file 28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Healer family

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

RedLine

Windows security modification

Executes dropped EXE

Adds Run key to start application

Program crash

Unsigned PE

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

2024-11-08 19:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 19:58

Reported

2024-11-08 20:01

Platform

win10v2004-20241007-en

Max time kernel

127s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.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\eFO48wF.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\eFO48wF.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\eFO48wF.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\eFO48wF.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\dPW52Sh.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\dPW52Sh.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\dPW52Sh.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\dPW52Sh.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.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\dPW52Sh.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\eFO48wF.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\eFO48wF.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\dPW52Sh.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.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\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.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\nfn46Xh74.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\IXP000.TMP\nfn46Xh74.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2016 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe
PID 2016 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe
PID 2016 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe
PID 848 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe
PID 848 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe
PID 848 wrote to memory of 4608 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe
PID 848 wrote to memory of 4608 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe
PID 848 wrote to memory of 4608 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe
PID 2016 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.exe
PID 2016 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.exe
PID 2016 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe

"C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4608 -ip 4608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 1092

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 14.227.111.52.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\nfn46Xh74.exe

MD5 08ad82aa206a707a8e0acd5622083b9d
SHA1 5e96328566b01493816dcee9cf52d1e6025de478
SHA256 5caf647898503798ad95b59ad9eb36de5c37f3db14571680578ff51d9ae2a7b7
SHA512 23c9c535134ea2a50c0e828d6c4dacaf4ef56b3e5fa3db3dec03300d274c3984bdaacb8256c1864b052b3aa80314ac75ca70be43e6df73b0962eabe85d24a853

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe

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

memory/2404-14-0x00007FFFD9BA3000-0x00007FFFD9BA5000-memory.dmp

memory/2404-15-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

memory/2404-16-0x00007FFFD9BA3000-0x00007FFFD9BA5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe

MD5 2c5daade6cc93f76114b06d1777c7786
SHA1 108f23add9f97b469b264b136e4ed6076e73de90
SHA256 195831618f4971eda5b00d51d892b4bf7b6519d79b278e2d477a1dfb56b91fbf
SHA512 f074459406c33eabae671e63ca2d6dd7087db63fc1ab338cb721b97735085c7b828c920005111c4ed3d101a6e607e0e100805f417518ffcef4a70551bb2e3814

memory/4608-22-0x0000000002760000-0x000000000277A000-memory.dmp

memory/4608-23-0x0000000004E70000-0x0000000005414000-memory.dmp

memory/4608-24-0x0000000002800000-0x0000000002818000-memory.dmp

memory/4608-25-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-26-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-50-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-48-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-46-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-44-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-42-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-40-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-38-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-36-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-34-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-32-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-52-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-30-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-28-0x0000000002800000-0x0000000002812000-memory.dmp

memory/4608-53-0x0000000000400000-0x00000000007BD000-memory.dmp

memory/4608-55-0x0000000000400000-0x00000000007BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1720-59-0x0000000000270000-0x00000000002A2000-memory.dmp

memory/1720-60-0x00000000051E0000-0x00000000057F8000-memory.dmp

memory/1720-61-0x0000000004D50000-0x0000000004E5A000-memory.dmp

memory/1720-62-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/1720-63-0x0000000004D10000-0x0000000004D4C000-memory.dmp

memory/1720-64-0x0000000004E60000-0x0000000004EAC000-memory.dmp