Malware Analysis Report

2024-12-06 02:55

Sample ID 241110-bcmttsyndq
Target 26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277
SHA256 26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277
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

26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277

Threat Level: Known bad

The file 26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

RedLine

Redline family

RedLine payload

Healer family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:00

Reported

2024-11-10 01:02

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.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\a8106518.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\a8106518.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.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\a8106518.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\a8106518.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.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\26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277.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\v3072535.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\IXP000.TMP\v3072535.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4782110.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1568 wrote to memory of 4936 N/A C:\Users\Admin\AppData\Local\Temp\26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe
PID 1568 wrote to memory of 4936 N/A C:\Users\Admin\AppData\Local\Temp\26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe
PID 1568 wrote to memory of 4936 N/A C:\Users\Admin\AppData\Local\Temp\26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe
PID 4936 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe
PID 4936 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe
PID 4936 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe
PID 4936 wrote to memory of 4720 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4782110.exe
PID 4936 wrote to memory of 4720 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4782110.exe
PID 4936 wrote to memory of 4720 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4782110.exe

Processes

C:\Users\Admin\AppData\Local\Temp\26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277.exe

"C:\Users\Admin\AppData\Local\Temp\26b490fb3a736e77b45438c0bcd1b9d0cbc1b5a4d62daaec80bb0525708de277.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3072535.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4782110.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4782110.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
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 75.117.19.2.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
US 8.8.8.8:53 11.227.111.52.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\v3072535.exe

MD5 17ce494b1f995db858e5e29ab6e3acb5
SHA1 f9c3838fe86634fd7e98321e870e28dfbe08b1b9
SHA256 db4e27fab81d641b8db5b459fa28297c32fec60ff3eb7c76a9a728329bb03b92
SHA512 ec34c2da5e942dc1f632a359e29a2c21b29e262ced561731e89bb09600e6f1f3f89776355e9782c9b76d067be427bd824e6de5b30b66fa425429276084af71d5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8106518.exe

MD5 f842e7483731c23dafef855f65844087
SHA1 478cc1bbafedf7a2c72e4d91d04204b74402a9b4
SHA256 f9f7d9ec5fb738a9a77c846b5833154642cc81615fc923366b01babc54ec1bee
SHA512 fbdc8b05f1d1950af3763f4ca188b8e7446210651ab5fedfb63bf207657a07e74a7ebf60dce709cd3c464f0d77916163b72b751b294e1db35c7e1b47673804f5

memory/2672-14-0x00000000742DE000-0x00000000742DF000-memory.dmp

memory/2672-15-0x00000000022A0000-0x00000000022BA000-memory.dmp

memory/2672-16-0x00000000742D0000-0x0000000074A80000-memory.dmp

memory/2672-18-0x0000000004980000-0x0000000004998000-memory.dmp

memory/2672-17-0x0000000004B40000-0x00000000050E4000-memory.dmp

memory/2672-19-0x00000000742D0000-0x0000000074A80000-memory.dmp

memory/2672-41-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-47-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-45-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-43-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-39-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-37-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-35-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-33-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-31-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-29-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-27-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-25-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-23-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-21-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-20-0x0000000004980000-0x0000000004992000-memory.dmp

memory/2672-48-0x00000000742D0000-0x0000000074A80000-memory.dmp

memory/2672-49-0x00000000742DE000-0x00000000742DF000-memory.dmp

memory/2672-50-0x00000000742D0000-0x0000000074A80000-memory.dmp

memory/2672-52-0x00000000742D0000-0x0000000074A80000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4782110.exe

MD5 fe7761c52b0903a3c3bc33d2130e9734
SHA1 5d0f5ca50544f765a7d7ea39260a53f907dc2ecb
SHA256 d0780f5026d0cb2357097d1f99b294a6ecae39c8cdeeacd7d527c63b42469653
SHA512 dc09a2b2b29ded48d57f336a398ebeb9ac31a438526361ab8b20a37e37c30fa5322c237bf27b1b8ed6668c8900fb7d723d02564523b808d500bdda4672c17fcd

memory/4720-56-0x00000000007B0000-0x00000000007D8000-memory.dmp

memory/4720-57-0x0000000007A80000-0x0000000008098000-memory.dmp

memory/4720-58-0x0000000007510000-0x0000000007522000-memory.dmp

memory/4720-59-0x0000000007640000-0x000000000774A000-memory.dmp

memory/4720-60-0x0000000007570000-0x00000000075AC000-memory.dmp

memory/4720-61-0x00000000075B0000-0x00000000075FC000-memory.dmp