Malware Analysis Report

2025-01-23 07:45

Sample ID 241108-j22chsyhjl
Target 38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f
SHA256 38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f
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

38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f

Threat Level: Known bad

The file 38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

RedLine payload

RedLine

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer family

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 08:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 08:10

Reported

2024-11-08 08:13

Platform

win10v2004-20241007-en

Max time kernel

130s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.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\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.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\daz96VP.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.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\egK25Zb.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\egK25Zb.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\egK25Zb.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.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\daz96VP.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\daz96VP.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\egK25Zb.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\egK25Zb.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\daz96VP.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.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\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.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\nBP87Db04.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\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXA95ov.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1352 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe
PID 1352 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe
PID 1352 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe
PID 1328 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.exe
PID 1328 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.exe
PID 1328 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe
PID 1328 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe
PID 1328 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe
PID 1352 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXA95ov.exe
PID 1352 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXA95ov.exe
PID 1352 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXA95ov.exe

Processes

C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe

"C:\Users\Admin\AppData\Local\Temp\38c53cc10c66fd3a67476003455c6188426c2e65b30bcb9f235812b2ff893e8f.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nBP87Db04.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 792 -ip 792

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXA95ov.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXA95ov.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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 11.227.111.52.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\nBP87Db04.exe

MD5 3b2c8abada4a492ad228a4b5db2f8816
SHA1 1b97df6fd564a03562ce90abe8046cb937e81e6f
SHA256 3fb458928153b6db1480e251b2ff1536cbd0cd36528f2dc3c6ff7e5220b1bb70
SHA512 2a13578ba52994b2892895c056e00e24ae8ac3004e13bbe97c6545d53975b13aae760164e66a6bcf42e3dfe55fe05eeffee5a06b4439d3760b85793365d4cfc7

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daz96VP.exe

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

memory/2320-15-0x0000000000FD0000-0x0000000000FDA000-memory.dmp

memory/2320-14-0x00007FFCD3A53000-0x00007FFCD3A55000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egK25Zb.exe

MD5 faeaf9bf8c211ef512e5d63a6199508e
SHA1 5a33aa871548e8ee95e348f285d5d0927a114a37
SHA256 5401a7b5eb1d3aacb7395f4ba8c3feb7ae28cc16b446d838337da8024f01c134
SHA512 e1c5beaa74e245f258fe7f42afb15391b1ff99b04c93e26ba527bd619d2fa062cc4b9564f23f515c4eefd3662702d6bcc0251b433693ba0f4ba291be427160d3

memory/792-21-0x0000000002300000-0x000000000231A000-memory.dmp

memory/792-22-0x0000000004C30000-0x00000000051D4000-memory.dmp

memory/792-23-0x00000000024A0000-0x00000000024B8000-memory.dmp

memory/792-51-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-49-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-47-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-45-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-43-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-41-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-39-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-37-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-35-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-33-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-31-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-29-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-27-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-25-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-24-0x00000000024A0000-0x00000000024B2000-memory.dmp

memory/792-52-0x0000000000400000-0x0000000000574000-memory.dmp

memory/792-54-0x0000000000400000-0x0000000000574000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXA95ov.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1612-58-0x0000000000350000-0x0000000000382000-memory.dmp

memory/1612-59-0x0000000005170000-0x0000000005788000-memory.dmp

memory/1612-60-0x0000000004CF0000-0x0000000004DFA000-memory.dmp

memory/1612-61-0x0000000004C20000-0x0000000004C32000-memory.dmp

memory/1612-62-0x0000000004C80000-0x0000000004CBC000-memory.dmp

memory/1612-63-0x0000000004E00000-0x0000000004E4C000-memory.dmp