Malware Analysis Report

2024-12-06 02:56

Sample ID 241110-ch2evazncn
Target db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf
SHA256 db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf
Tags
healer redline rumfa 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

db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf

Threat Level: Known bad

The file db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf was found to be: Known bad.

Malicious Activity Summary

healer redline rumfa discovery dropper evasion infostealer persistence trojan

Healer

RedLine payload

Healer family

RedLine

Redline family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 02:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 02:05

Reported

2024-11-10 02:07

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.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\IXP004.TMP\buIg74Pc18.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_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\plwh48kj31.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\plBP82lh84.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe N/A
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\db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf.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\pljs10DG68.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\db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\catm67qR21.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\catm67qR21.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4332 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe
PID 4332 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe
PID 4332 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe
PID 4176 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe
PID 4176 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe
PID 4176 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe
PID 1760 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe
PID 1760 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe
PID 1760 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe
PID 4152 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe
PID 4152 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe
PID 4152 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe
PID 464 wrote to memory of 3864 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe
PID 464 wrote to memory of 3864 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe
PID 464 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\catm67qR21.exe
PID 464 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\catm67qR21.exe
PID 464 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\catm67qR21.exe

Processes

C:\Users\Admin\AppData\Local\Temp\db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf.exe

"C:\Users\Admin\AppData\Local\Temp\db47aacaa2dffb98debd4cd8f6f3331d99518d109d15ad9797ff78e93a59e1bf.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\catm67qR21.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\catm67qR21.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pljs10DG68.exe

MD5 7aded1c022a43bad8625d698a475cd8b
SHA1 1a6034812f7f821b3aeb96e8c707c298a50e4056
SHA256 d8c972665f74b393b00e5954bdd6a93b97e2e1c1961fd720799f7aa7d0eeb0af
SHA512 451a0bdc63aeb8101432bf5982bcb57b53fafb8121b90956f08c6b96d036b8fcb436aa15ef077f689accc09282f9a6bbbb1b7e1d6398f8c9f4d5615951fc71f2

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plwh48kj31.exe

MD5 1f0859bff43178a3944fc65a7bc650b1
SHA1 3182cacfea5e78fe3ca28e7909bff6df3a4bd496
SHA256 881d390c4adf70a2e6a65eb8aeb17e09a122be81a19f1a2b0df3323972318ef8
SHA512 9c0ada8e4b7d06feea26ee302522c16f38dfd7934db94cb337e678840cf3bd605a03d69f1ac14e16c8c0cd435a09001b76f147a5fbc5282af14ebbaec2ac54c7

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plBP82lh84.exe

MD5 0940b34bbe65654d3ef38d7c2281f2e8
SHA1 58e581ef1a43bc17487fbc9aee782abd92c58293
SHA256 4aa6206477eaf68a519ca764bf4aa284493b1912320d32b64e3ccde7058bfd14
SHA512 831b0ffbe96895ee9485ca8f606f6cc289fd60b0996d6cf20de9aeb0ca04b94da9e62ceedb29272df11be23a241f039b6dc53543ea0658354d060f78159ddf8b

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plQG17AJ34.exe

MD5 0a9839478c6a174137b5f8a12b31c7f2
SHA1 84ebd01e7579758655f4f603c053d2c10b69833c
SHA256 f4b9cfbd0fdc91379c01a9e2ba0f3b01c61b60b7a31ef2cd36c997665ff9233b
SHA512 e0eceffaee14c73c3df783957f3373a882cfbb3ef06542d1f914e12a952dc7c61cbb3b310ab6e31a318a20641c755d4e5206a164b9d904481141f433d37ac02b

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buIg74Pc18.exe

MD5 7ea3fe27a839c3010203aec97adbd0d1
SHA1 0e76413df2faf132b2f52a9d9d53d7c5d758efe4
SHA256 1cf68fa80ce65f5d24517fdb7ec130c86ff0bfaccc353c51eb11f16fc0984a74
SHA512 6b8326f4109d29c204d72438922a11348305f0dbb158db1f39c0caba2674d830f3b3152c5ccf2ee93b4c746eb0aef27be05cd5d3955eb8f1dd23a0afc7a30bb6

memory/3864-35-0x0000000000E00000-0x0000000000E0A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\catm67qR21.exe

MD5 bc06501e2cbbcfd5b533d51c6a5ef3fb
SHA1 7caa42a1b56383b958098d71bdffbe0b69b1ba93
SHA256 1ea5e787e9d231e9e5c0ebc4a058e587a9b37057469fc949d6458acef78a6c16
SHA512 98da782c0b87b2b6dca516a98a86a0bd90966be55b40ed55cb61975277efbb366d3fb7d3ef8fbbb841cf62d2c39c842db8180013667193caff98285dd3769970

memory/4748-41-0x00000000025E0000-0x0000000002626000-memory.dmp

memory/4748-42-0x0000000004D80000-0x0000000005324000-memory.dmp

memory/4748-43-0x0000000004CC0000-0x0000000004D04000-memory.dmp

memory/4748-53-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-59-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-107-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-105-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-103-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-101-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-97-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-95-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-93-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-91-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-89-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-87-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-85-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-83-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-81-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-79-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-77-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-73-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-71-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-69-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-67-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-65-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-63-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-61-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-57-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-55-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-51-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-49-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-99-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-75-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-47-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-45-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-44-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/4748-950-0x0000000005330000-0x0000000005948000-memory.dmp

memory/4748-951-0x00000000059A0000-0x0000000005AAA000-memory.dmp

memory/4748-952-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

memory/4748-953-0x0000000005B00000-0x0000000005B3C000-memory.dmp

memory/4748-954-0x0000000005C50000-0x0000000005C9C000-memory.dmp