Malware Analysis Report

2025-01-23 07:48

Sample ID 241108-mgjths1cmq
Target 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614
SHA256 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614
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

4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614

Threat Level: Known bad

The file 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 10:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 10:26

Reported

2024-11-08 10:28

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.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\dvS01uh.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\dvS01uh.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\eMS50XA.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\eMS50XA.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\eMS50XA.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.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\dvS01uh.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\dvS01uh.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.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\eMS50XA.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\eMS50XA.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\dvS01uh.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.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\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.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\nMz18nF27.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\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1520 wrote to memory of 4108 N/A C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe
PID 1520 wrote to memory of 4108 N/A C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe
PID 1520 wrote to memory of 4108 N/A C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe
PID 4108 wrote to memory of 3888 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe
PID 4108 wrote to memory of 3888 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe
PID 4108 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe
PID 4108 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe
PID 4108 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe
PID 1520 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe
PID 1520 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe
PID 1520 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe

"C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1248 -ip 1248

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe

C:\Windows\system32\sc.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.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 8.8.8.8:53 196.249.167.52.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 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\nMz18nF27.exe

MD5 0e1174fc587f94b110084e038ed1ddfa
SHA1 6dedaed9242d8e568c0b685ae2a00cc41b514f66
SHA256 7f0893769c069e8c74dddf28e8683a045850a127980f78c1858e10a033e230a9
SHA512 36de12e4750d96b8bb4dd89d0c3f769eaf482f8007032605209998488465fec16f54b7c4a3436a1a674d4eac51da8d0ace2f243294d58c8367200d2b77043332

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe

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

memory/3888-14-0x00007FF908A43000-0x00007FF908A45000-memory.dmp

memory/3888-15-0x0000000000E30000-0x0000000000E3A000-memory.dmp

memory/3888-16-0x00007FF908A43000-0x00007FF908A45000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe

MD5 ab970bf25face7f80c360eb7d19b093c
SHA1 919fef0e22047325ee051f47a33ecb55545868ab
SHA256 432bc283c6102f32e47118ad8595c1c806cc46c34555cc302f16d2657c0e5373
SHA512 cdb97d1a80be862afce2eeed71451c5378ef6616f0152522f565cd23e65b6ec3333853767257a537f7d03c91944eb23729bff294b8250cf70e391a38ce0d411c

memory/1248-22-0x0000000002780000-0x000000000279A000-memory.dmp

memory/1248-23-0x0000000004EF0000-0x0000000005494000-memory.dmp

memory/1248-24-0x0000000004D50000-0x0000000004D68000-memory.dmp

memory/1248-25-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-32-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-50-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-48-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-46-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-44-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-42-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-41-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-38-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-36-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-52-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-34-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-30-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-28-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-26-0x0000000004D50000-0x0000000004D62000-memory.dmp

memory/1248-53-0x0000000000400000-0x00000000007BD000-memory.dmp

memory/1248-55-0x0000000000400000-0x00000000007BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1980-59-0x00000000008C0000-0x00000000008F2000-memory.dmp

memory/1980-60-0x00000000056E0000-0x0000000005CF8000-memory.dmp

memory/1980-61-0x0000000005260000-0x000000000536A000-memory.dmp

memory/1980-62-0x0000000005190000-0x00000000051A2000-memory.dmp

memory/1980-63-0x00000000051F0000-0x000000000522C000-memory.dmp

memory/1980-64-0x0000000005370000-0x00000000053BC000-memory.dmp