Malware Analysis Report

2025-01-23 07:48

Sample ID 241106-x91mvaweng
Target f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9
SHA256 f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9
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

f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9

Threat Level: Known bad

The file f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine payload

RedLine

Detects Healer an antivirus disabler dropper

Healer family

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 19:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 19:33

Reported

2024-11-06 19:36

Platform

win10v2004-20241007-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9.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

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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.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\f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9.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\sYH79yZ.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\sPY85nR.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hUP54gn.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 452 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe
PID 452 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe
PID 452 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe
PID 4736 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe
PID 4736 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe
PID 4736 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe
PID 244 wrote to memory of 4552 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe
PID 244 wrote to memory of 4552 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe
PID 244 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hUP54gn.exe
PID 244 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hUP54gn.exe
PID 244 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hUP54gn.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9.exe

"C:\Users\Admin\AppData\Local\Temp\f4597d71426d1ae97b82c77559e4d594faae704799118069b6642124d934e0a9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYH79yZ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hUP54gn.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hUP54gn.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.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
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 22.236.111.52.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\sYH79yZ.exe

MD5 d798f65b22fc9ed7c8175be78bbef62b
SHA1 39f50296783714024dbfef4dc5b18e75521b9acc
SHA256 fad185b7453a03b597d32e9dac36f533a621bb4cf575d59bffd43569cdce0386
SHA512 cad7f4531b7f8389329fc372c3c0d6b7235f7879490dc01cf39b5828a4031c9a5066e0d80246c8425f472d7b802fe958144c297c4da34cd5f2b495afb1943ee9

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sPY85nR.exe

MD5 f47788c97b6e2dab63ef0935cb8d53ab
SHA1 640f18884fe11ce000a24211cf45f238a8129e94
SHA256 593781d6e5047e8689b9961875935b42600d5099ccb84108c545b131eab67138
SHA512 93d447b8b87d6619063f310be66e88a513f0b2b86cdb1df363ae8b8a4a5f0e0fe90406fb20db2c0562b926254825766b1031a5f8b497b50a8838acb1f8d4ef14

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fIa69rl.exe

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

memory/4552-21-0x00007FF81E343000-0x00007FF81E345000-memory.dmp

memory/4552-22-0x0000000000AD0000-0x0000000000ADA000-memory.dmp

memory/4552-23-0x00007FF81E343000-0x00007FF81E345000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hUP54gn.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/4048-28-0x00000000003D0000-0x0000000000402000-memory.dmp

memory/4048-29-0x0000000005330000-0x0000000005948000-memory.dmp

memory/4048-30-0x0000000004EB0000-0x0000000004FBA000-memory.dmp

memory/4048-31-0x0000000004DE0000-0x0000000004DF2000-memory.dmp

memory/4048-32-0x0000000004E50000-0x0000000004E8C000-memory.dmp

memory/4048-33-0x0000000004FC0000-0x000000000500C000-memory.dmp