Malware Analysis Report

2025-01-23 07:45

Sample ID 241107-g69tcaxfrq
Target caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98
SHA256 caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98
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

caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98

Threat Level: Known bad

The file caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer

RedLine

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine payload

Redline family

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 use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 06:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 06:26

Reported

2024-11-07 06:28

Platform

win10v2004-20241007-en

Max time kernel

127s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.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\egQ84wt.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\dlR39Ct.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\dlR39Ct.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\dlR39Ct.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.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\egQ84wt.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.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\dlR39Ct.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\dlR39Ct.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\egQ84wt.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\egQ84wt.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\egQ84wt.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.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\nKH88PZ60.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\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.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\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1576 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe
PID 1576 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe
PID 1576 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe
PID 2092 wrote to memory of 3516 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.exe
PID 2092 wrote to memory of 3516 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.exe
PID 2092 wrote to memory of 1132 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe
PID 2092 wrote to memory of 1132 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe
PID 2092 wrote to memory of 1132 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe
PID 1576 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.exe
PID 1576 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.exe
PID 1576 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe

"C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1132 -ip 1132

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 21.236.111.52.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\nKH88PZ60.exe

MD5 9ebfda1ff46a1966f9f95c8f305ac029
SHA1 b852851bd319425f305f64a5e07b04175b991fa9
SHA256 eba30435556a29109a699e5b6f713a67c943dbf61c741205321efb3bb9993dd0
SHA512 4b8dd2d7449772d541a24d930fae8170305b27d478a5774b8153ac6e43d20011f8f70e12a45082bfb1dc431ec7da51adb0fc8e221c85d523a23c4d9d80148c71

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.exe

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

memory/3516-14-0x00007FFE2D973000-0x00007FFE2D975000-memory.dmp

memory/3516-15-0x0000000000AA0000-0x0000000000AAA000-memory.dmp

memory/3516-17-0x00007FFE2D973000-0x00007FFE2D975000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exe

MD5 51eaf3c9171c3352f9656cae26564893
SHA1 f34140400948baf80b116d9d59839a3f9018168d
SHA256 7f83dffe8e01e47ab8e070ff65d79e728d717efac490183e68ba36908fd2a720
SHA512 dff81178fc1a2e66e701a722244f2bba11994762f11fac71880f82eb816183e61f203fc0ad5adbaa17992f6ccad63f962420a3037ecfc35a21de8af8e091fe02

memory/1132-22-0x0000000002750000-0x000000000276A000-memory.dmp

memory/1132-23-0x0000000004CE0000-0x0000000005284000-memory.dmp

memory/1132-24-0x0000000004CB0000-0x0000000004CC8000-memory.dmp

memory/1132-25-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-32-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-52-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-51-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-49-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-46-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-44-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-42-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-40-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-38-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-37-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-34-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-30-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-28-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-26-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/1132-53-0x0000000000400000-0x0000000000759000-memory.dmp

memory/1132-55-0x0000000000400000-0x0000000000759000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1604-59-0x0000000000790000-0x00000000007C2000-memory.dmp

memory/1604-60-0x00000000056F0000-0x0000000005D08000-memory.dmp

memory/1604-61-0x0000000005270000-0x000000000537A000-memory.dmp

memory/1604-62-0x00000000051B0000-0x00000000051C2000-memory.dmp

memory/1604-63-0x0000000005210000-0x000000000524C000-memory.dmp

memory/1604-64-0x0000000005380000-0x00000000053CC000-memory.dmp