Malware Analysis Report

2024-12-06 02:43

Sample ID 241110-a2l36aylfl
Target 2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa
SHA256 2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa
Tags
healer redline dubna 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

2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa

Threat Level: Known bad

The file 2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa was found to be: Known bad.

Malicious Activity Summary

healer redline dubna discovery dropper evasion infostealer persistence trojan

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine

Executes dropped EXE

Windows security modification

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 00:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:42

Reported

2024-11-10 00:45

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A

RedLine

infostealer redline

RedLine payload

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

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\IXP002.TMP\aAO02.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\duE80.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\2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa.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\dLs28.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\2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhL62.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1728 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe
PID 1728 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe
PID 1728 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe
PID 384 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe
PID 384 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe
PID 384 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe
PID 5096 wrote to memory of 5092 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe
PID 5096 wrote to memory of 5092 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe
PID 5096 wrote to memory of 3432 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhL62.exe
PID 5096 wrote to memory of 3432 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhL62.exe
PID 5096 wrote to memory of 3432 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhL62.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa.exe

"C:\Users\Admin\AppData\Local\Temp\2b73b0a815ac7f639cf97d717a7cf47615e127f901b1afb306a0fe17d75cfbfa.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhL62.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhL62.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.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 193.233.20.11:4131 tcp
RU 193.233.20.11:4131 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.11:4131 tcp
RU 193.233.20.11:4131 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
RU 193.233.20.11:4131 tcp
RU 193.233.20.11:4131 tcp
US 8.8.8.8:53 120.150.79.40.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dLs28.exe

MD5 27bd2768361918f638e6b4882182f733
SHA1 7b32cf568b2f70bf1a7edda68b3981f4b3027684
SHA256 80531f420994cedb31de89031ab0baffe1a3010883be15781659db108518fd87
SHA512 63a69c0a59767bc940455fcc9e018363df9e4c15db83e80efc9fa3b05a18b09326abfb20d687337819165f3a1108181f634f0d3b97553c33154d34b00d038f6a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\duE80.exe

MD5 eab2093f193c4d66aae35186d08b2b19
SHA1 59a4e36c6911a2aa6480642df4fefcb0f91f6ce4
SHA256 cef1d8e970401f8c75cf8bd40f8583838871b9aff584aa0a7a7047f165c68646
SHA512 7ed0a0f5094fbef787281b271a0d324feb7b29366d84ae4d09cd5d30f733b8f995af15bd1ea37662e72536307eb20ef129c29d8d94dc4cf4000019c8564c1ad6

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\aAO02.exe

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

memory/5092-21-0x00007FFF983C3000-0x00007FFF983C5000-memory.dmp

memory/5092-22-0x0000000000140000-0x000000000014A000-memory.dmp

memory/5092-24-0x00007FFF983C3000-0x00007FFF983C5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bhL62.exe

MD5 ef8079cf160510d0da7162bc08f753d8
SHA1 e786cc8bee83e4a37433ddccf9d3540e1f6533fe
SHA256 a6416ca607f03e7d02dd9c8b546113c71f421c0ba8438dafb941d25f8cf2c9e6
SHA512 959b08126358527b794a276f6e9f818250f888d9f108b46766f6c2e50186acc8f406acbeb94ca97b5f0e329b27f3851003446715d5d040b5c0fef4010011a2c3

memory/3432-28-0x0000000000B40000-0x0000000000B72000-memory.dmp

memory/3432-29-0x0000000005AB0000-0x00000000060C8000-memory.dmp

memory/3432-30-0x0000000005620000-0x000000000572A000-memory.dmp

memory/3432-31-0x0000000005550000-0x0000000005562000-memory.dmp

memory/3432-32-0x00000000055B0000-0x00000000055EC000-memory.dmp

memory/3432-33-0x0000000005730000-0x000000000577C000-memory.dmp