Malware Analysis Report

2024-11-15 09:56

Sample ID 241110-bssd9ayrcr
Target f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d
SHA256 f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d
Tags
healer redline 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

f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d

Threat Level: Known bad

The file f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Redline family

RedLine payload

Healer

Modifies Windows Defender Real-time Protection settings

RedLine

Healer family

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:24

Reported

2024-11-10 01:27

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.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\a7253491.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\a7253491.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\a7253491.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\a7253491.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A
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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\a7253491.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.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\f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d.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\v4016258.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\IXP001.TMP\a7253491.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6222129.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4756 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe
PID 4756 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe
PID 4756 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe
PID 4576 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe
PID 4576 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe
PID 4576 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe
PID 4576 wrote to memory of 4424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6222129.exe
PID 4576 wrote to memory of 4424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6222129.exe
PID 4576 wrote to memory of 4424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6222129.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d.exe

"C:\Users\Admin\AppData\Local\Temp\f14639d64b4666d95ebfadc7e1aad1e4e93d44d959fbdfcf7595754155796e9d.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6222129.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6222129.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4016258.exe

MD5 8b2bf3e1652aff63e4d22d6dd6c25087
SHA1 f08b5ab3149468a403e555310ec8862e504ccea6
SHA256 114257f2d1ae1d88af20672d688d7ec470f95f93d8a951973a01c588debe07ee
SHA512 1c5dacb380045f320a9ed3d296b1771e1318b58668b39759540f21552ae7fe9f7e7fc0dc3409fd56b1976dc2271eaa4589f9c2164265b5a52994df7b3782960d

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7253491.exe

MD5 197d1afe8075c7d4011214ffac8d57ca
SHA1 2d513299f850c88625e2637f4af793348b315aa0
SHA256 af5ad3b5ba589dab8b64055a378c9b9c6289c371f99fbe8ee8e1e9f24b147ee2
SHA512 e7df23746eb313000a8ac4e260bda08dd427e05997a33121a9750662e8668112dc0d93e1e5a873bbf24b47edefc43a8f9b3360cc0eb38b47f632825c7582018f

memory/528-14-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

memory/528-15-0x00000000023B0000-0x00000000023CA000-memory.dmp

memory/528-16-0x0000000074AF0000-0x00000000752A0000-memory.dmp

memory/528-17-0x0000000074AF0000-0x00000000752A0000-memory.dmp

memory/528-18-0x0000000004B40000-0x00000000050E4000-memory.dmp

memory/528-19-0x0000000002440000-0x0000000002458000-memory.dmp

memory/528-43-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-47-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-45-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-41-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-39-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-37-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-35-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-33-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-31-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-29-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-27-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-25-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-23-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-21-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-20-0x0000000002440000-0x0000000002452000-memory.dmp

memory/528-48-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

memory/528-49-0x0000000074AF0000-0x00000000752A0000-memory.dmp

memory/528-51-0x0000000074AF0000-0x00000000752A0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6222129.exe

MD5 a496b7590e9b479fdbd48cfdb646ce98
SHA1 6b05a192bd67dda1f380e145b8bae864126252a8
SHA256 3e81fa71814a0d5f2fbf24b10cbbdb6d630e00a6d1385b7d205d7e6eda3b8e25
SHA512 bea3211487ff72e14553fa8d7970406e40a447326cd2c6a7e68553837593547cfdb325d5174b200715913ed54af747e8e012fbca53656ada205fafd205c97a3b

memory/4424-55-0x0000000000AC0000-0x0000000000AE8000-memory.dmp

memory/4424-56-0x0000000007D30000-0x0000000008348000-memory.dmp

memory/4424-57-0x00000000077D0000-0x00000000077E2000-memory.dmp

memory/4424-58-0x0000000007940000-0x0000000007A4A000-memory.dmp

memory/4424-59-0x0000000007870000-0x00000000078AC000-memory.dmp

memory/4424-60-0x00000000078B0000-0x00000000078FC000-memory.dmp