Malware Analysis Report

2024-12-06 03:00

Sample ID 241110-cfs1pazmgj
Target 81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30
SHA256 81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30
Tags
healer redline dubna 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

81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30

Threat Level: Known bad

The file 81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30 was found to be: Known bad.

Malicious Activity Summary

healer redline dubna discovery dropper evasion infostealer persistence trojan

Healer

Modifies Windows Defender Real-time Protection settings

Redline family

Detects Healer an antivirus disabler dropper

Healer family

RedLine payload

RedLine

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 02:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 02:01

Reported

2024-11-10 02:04

Platform

win10v2004-20241007-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30.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
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.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\abY54.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\abY54.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\abY54.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\abY54.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\abY54.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\81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30.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\dNT23.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\dCp08.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\dNT23.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bgC60.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2588 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe
PID 2588 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe
PID 2588 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe
PID 2712 wrote to memory of 4968 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe
PID 2712 wrote to memory of 4968 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe
PID 2712 wrote to memory of 4968 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe
PID 4968 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe
PID 4968 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe
PID 4968 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bgC60.exe
PID 4968 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bgC60.exe
PID 4968 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bgC60.exe

Processes

C:\Users\Admin\AppData\Local\Temp\81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30.exe

"C:\Users\Admin\AppData\Local\Temp\81ceb417f7f25d885d94968131571ad537bf9685ce8a4deb724284f2cd5e1d30.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bgC60.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bgC60.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.11:4131 tcp
RU 193.233.20.11:4131 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.11:4131 tcp
RU 193.233.20.11:4131 tcp
RU 193.233.20.11:4131 tcp
RU 193.233.20.11:4131 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dNT23.exe

MD5 0b5c1fa9db67230f23afde3399ea90e5
SHA1 493da32a0cc81304da88e295837d0d3e2d63e583
SHA256 57e8895fd9e55323965786f78795bfa89f316cbdf6822f5e3203de1eae55831f
SHA512 4db65f6efb0161e2efda045fbb6ee49ac42bc4e46f9dd8f8323fc1448f78a3e5c41c49f5d11d576f50d9106738a54a7892db1aec2bd78a6cfa381b936a3b90ef

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCp08.exe

MD5 a6e769a581404d48ae2c8057ca2fbb87
SHA1 4aa699ca3d1234f88b4820d73c27356329400a5a
SHA256 8f36a2a9800a0d889d08f9df35811ead93dcc49f5a39a9181049c1d9beb33b9d
SHA512 3a1a29ad3bad5b1f23de54e8a7133c9445ab6fb8cfe700af7f78dcb452074a413ea8ed0469dc3613e058278f5999fb2bcbf4b20e67349b2b4fcc0bc128ef4bd5

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\abY54.exe

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

memory/4944-21-0x00007FF9D4C33000-0x00007FF9D4C35000-memory.dmp

memory/4944-22-0x0000000000F30000-0x0000000000F3A000-memory.dmp

memory/4944-23-0x00007FF9D4C33000-0x00007FF9D4C35000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bgC60.exe

MD5 ef8079cf160510d0da7162bc08f753d8
SHA1 e786cc8bee83e4a37433ddccf9d3540e1f6533fe
SHA256 a6416ca607f03e7d02dd9c8b546113c71f421c0ba8438dafb941d25f8cf2c9e6
SHA512 959b08126358527b794a276f6e9f818250f888d9f108b46766f6c2e50186acc8f406acbeb94ca97b5f0e329b27f3851003446715d5d040b5c0fef4010011a2c3

memory/1348-28-0x0000000000E90000-0x0000000000EC2000-memory.dmp

memory/1348-29-0x0000000005E00000-0x0000000006418000-memory.dmp

memory/1348-30-0x0000000005960000-0x0000000005A6A000-memory.dmp

memory/1348-31-0x0000000005890000-0x00000000058A2000-memory.dmp

memory/1348-32-0x0000000005920000-0x000000000595C000-memory.dmp

memory/1348-33-0x0000000005A70000-0x0000000005ABC000-memory.dmp