Malware Analysis Report

2024-12-06 02:54

Sample ID 241110-a9v12awbrr
Target efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636
SHA256 efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636
Tags
healer redline ramon 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

efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636

Threat Level: Known bad

The file efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636 was found to be: Known bad.

Malicious Activity Summary

healer redline ramon discovery dropper evasion infostealer persistence trojan

RedLine payload

Redline family

RedLine

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

Healer family

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:55

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:55

Reported

2024-11-10 00:57

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636.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\IXP003.TMP\bNZ24tg.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe N/A

RedLine

infostealer redline

RedLine payload

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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\IXP003.TMP\bNZ24tg.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\efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636.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\pvu26jk.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\pQy30iN.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.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\efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ccd86Sc55.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ccd86Sc55.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3816 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe
PID 3816 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe
PID 3816 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe
PID 4868 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe
PID 4868 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe
PID 4868 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe
PID 2764 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe
PID 2764 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe
PID 2764 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe
PID 1632 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe
PID 1632 wrote to memory of 4612 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe
PID 1632 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ccd86Sc55.exe
PID 1632 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ccd86Sc55.exe
PID 1632 wrote to memory of 5072 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ccd86Sc55.exe

Processes

C:\Users\Admin\AppData\Local\Temp\efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636.exe

"C:\Users\Admin\AppData\Local\Temp\efa377ef8d0c298d0d8d11a32c9d90d680ce25a911338eaf0495baa655be5636.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ccd86Sc55.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ccd86Sc55.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.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 193.233.20.23:4123 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 193.233.20.23:4123 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 193.233.20.23:4123 tcp
RU 193.233.20.23:4123 tcp
RU 193.233.20.23:4123 tcp
RU 193.233.20.23:4123 tcp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pvu26jk.exe

MD5 b4c4ce369c0538ef61a64f11d6157983
SHA1 25e4279e214a1d4858d3784255f688330fcfedc3
SHA256 7c683ab7a04b97fb89c3ce5831e220a9870601e966433b15f2ba18e035076557
SHA512 f428becd67cbbff40fc7f5ff26fef2e00538612e211afb7c920b67726cafffbd1c4edc800051be6421e4cab16ed12a8197dd12dd3a1d29bcbb24dbc6b19eba31

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pQy30iN.exe

MD5 9dfcf06e6188a564414be65cdb4c8951
SHA1 b0da562d056db642920eba803fe640d29fe99b6a
SHA256 5eb54bd4946f88af988af74220bca814815aef418388c6f38486c66e2e55563d
SHA512 3731c86a524d100db9ccf87db296dad5c0f6662dbb22c27106717b88a099257d5334e9a2684b5c9cd8f93b85518bd29c74151077d61558249d6cb7bf2ae0e313

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pNh35Gx.exe

MD5 f88d39c5fc7838588057fc193449bc53
SHA1 4304c1b48ae10f7bf31998f8ef6b828e849c0a52
SHA256 7d34067558bea0ca486397480651a16a66c9556f27d959d0133214a6e17ef406
SHA512 300ab00bde3f79d41502ec12043565ad20a28b029587fa9cb687bf13a30274cd89ce6d123ce400b29c9a25a8f6439e9c868b43e8a7e8a63aa2473928eb766f76

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bNZ24tg.exe

MD5 0a696faf1930625cca4366f24f835dda
SHA1 aef49e9b8b0f54dea08381213061d3dde4ae4db5
SHA256 414c0d042b98de3c58418b9eee4d1d3a0ccf37e5d2446cb8c296654474446c7a
SHA512 b34202a27b52d89226a774bd97e26d4f4c6cd6a0607c6d4a8b465743109a2e385520cab172429de692e46de5939eaf0b2a04396c59e44bec0f0dacdd0caf7f4d

memory/4612-28-0x0000000000D80000-0x0000000000D8A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\ccd86Sc55.exe

MD5 3bed1c0521726aaf4a8e6b893334e410
SHA1 defd30d1fe2345b92e8b3460de1de3333f7a9edf
SHA256 fd49930ab8f3571abb9f03317633228ed381ee25bf3c98d31b3e7ca8384eb199
SHA512 86d6182783aba5be18660de13be0293b5192466aff39cc88edc7e274211461cedb6fd3a05a9a6924754154af9d093c48d809a29199c577049a9fb00337079c20

memory/5072-34-0x00000000027D0000-0x0000000002816000-memory.dmp

memory/5072-35-0x0000000004CF0000-0x0000000005294000-memory.dmp

memory/5072-36-0x00000000052E0000-0x0000000005324000-memory.dmp

memory/5072-48-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-50-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-100-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-98-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-96-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-94-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-90-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-88-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-86-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-82-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-80-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-78-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-76-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-74-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-72-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-70-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-66-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-64-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-62-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-60-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-58-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-56-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-54-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-52-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-46-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-44-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-42-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-40-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-92-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-84-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-68-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-38-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-37-0x00000000052E0000-0x000000000531E000-memory.dmp

memory/5072-943-0x0000000005320000-0x0000000005938000-memory.dmp

memory/5072-944-0x00000000059A0000-0x0000000005AAA000-memory.dmp

memory/5072-945-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

memory/5072-946-0x0000000005B00000-0x0000000005B3C000-memory.dmp

memory/5072-947-0x0000000005C50000-0x0000000005C9C000-memory.dmp