Malware Analysis Report

2025-01-23 07:48

Sample ID 241106-x1hqnsylek
Target a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14
SHA256 a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14
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

a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14

Threat Level: Known bad

The file a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

RedLine payload

Healer

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer family

RedLine

Windows security modification

Executes dropped EXE

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

2024-11-06 19:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 19:19

Reported

2024-11-06 19:28

Platform

win10v2004-20241007-en

Max time kernel

128s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.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
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.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\dCU29Zr.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\euJ65BC.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\euJ65BC.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\dCU29Zr.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\dCU29Zr.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\dCU29Zr.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\dCU29Zr.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.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\euJ65BC.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\euJ65BC.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\euJ65BC.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\euJ65BC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.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\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.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\ncq68hM36.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\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4868 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe
PID 4868 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe
PID 4868 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe
PID 4216 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.exe
PID 4216 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.exe
PID 4216 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe
PID 4216 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe
PID 4216 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe
PID 4868 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.exe
PID 4868 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.exe
PID 4868 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe

"C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3068 -ip 3068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 1012

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 193.233.20.13:4136 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 48.229.111.52.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\ncq68hM36.exe

MD5 642c3dffe62f8633fa7085c292c82b71
SHA1 d46ed9841a1e43fdbacc97009dcf11d176a975f5
SHA256 be13154b1c03aa824807bfcfdefbcab56dbea334cbb639f7489c9689e1c3c6e7
SHA512 4d2526594928294f72d60dbe7e131db221bf96cd228928bf80cd2539923338c312c14b872f4351661bad0c479c29066825879cc551e63257dc8e769721197361

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.exe

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

memory/4836-14-0x00007FFC4AAD3000-0x00007FFC4AAD5000-memory.dmp

memory/4836-15-0x0000000000AD0000-0x0000000000ADA000-memory.dmp

memory/4836-16-0x00007FFC4AAD3000-0x00007FFC4AAD5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exe

MD5 dd0adf92524d842b17843e3a38769564
SHA1 4b34fbf5dade2193630f92053be9f0dcfe563d3c
SHA256 489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682
SHA512 7fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2

memory/3068-22-0x00000000023C0000-0x00000000023DA000-memory.dmp

memory/3068-23-0x0000000004D50000-0x00000000052F4000-memory.dmp

memory/3068-24-0x0000000004B60000-0x0000000004B78000-memory.dmp

memory/3068-38-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-50-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-52-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-48-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-46-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-44-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-42-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-40-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-37-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-34-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-32-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-30-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-28-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-26-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-25-0x0000000004B60000-0x0000000004B72000-memory.dmp

memory/3068-53-0x0000000000400000-0x00000000005C6000-memory.dmp

memory/3068-55-0x0000000000400000-0x00000000005C6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/4392-59-0x0000000000780000-0x00000000007B2000-memory.dmp

memory/4392-60-0x00000000055B0000-0x0000000005BC8000-memory.dmp

memory/4392-61-0x0000000005120000-0x000000000522A000-memory.dmp

memory/4392-62-0x0000000005050000-0x0000000005062000-memory.dmp

memory/4392-63-0x00000000050B0000-0x00000000050EC000-memory.dmp

memory/4392-64-0x0000000005230000-0x000000000527C000-memory.dmp