Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-v5r4sswgkr
Target bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e
SHA256 bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e
Tags
healer redline fukia 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

bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e

Threat Level: Known bad

The file bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

RedLine payload

Detects Healer an antivirus disabler dropper

Healer family

RedLine

Modifies Windows Defender Real-time Protection settings

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 17:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 17:34

Reported

2024-11-08 17:37

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.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
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.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\eRm32cF.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\eRm32cF.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.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\eRm32cF.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\eRm32cF.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\eRm32cF.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\IXP001.TMP\dwA13CA.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.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\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.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\nCF77GO77.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 716 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe
PID 716 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe
PID 716 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe
PID 408 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe
PID 408 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe
PID 408 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe
PID 408 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe
PID 408 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe
PID 716 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe
PID 716 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe
PID 716 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe

"C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2372 -ip 2372

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1092

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe

MD5 b8564cdbe4a9e1ed47aa25997e45949e
SHA1 45ab919a80c96f7bcbaaf87093111090f72da69d
SHA256 bd3bce20caee5d3b14ffa9115dfc28eec4bdadeaa9819b37b9247b992aec5e32
SHA512 7ee42dee8df6d68c6910050d4dd47bf90f77c5b1702a6627e0b6abab4c617ed2cf03923550fea3116f1bb4c283a0cca0dc7b7f7a2613d7766cea67a7f642e8cc

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe

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

memory/2288-14-0x00007FFEF5CB3000-0x00007FFEF5CB5000-memory.dmp

memory/2288-15-0x0000000000C70000-0x0000000000C7A000-memory.dmp

memory/2288-16-0x00007FFEF5CB3000-0x00007FFEF5CB5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe

MD5 0d12b6dc52613d919d47608afa94853d
SHA1 3aaba8ca69c4a3fb23d10af9db66173a47e7947f
SHA256 de98d4ae2215630ea271a86b9302ec4615d0a0b83c4a3c09322246159f3b70ab
SHA512 35c5046816eba7c18fa1e7db03678c815cfa090ebe5a3f74171dc1ac21a3af247497ace59db4cfc07ea0b7e224ad4a516632b94ab59e19c4ec037c1d53880ee3

memory/2372-22-0x0000000002870000-0x000000000288A000-memory.dmp

memory/2372-23-0x0000000004C90000-0x0000000005234000-memory.dmp

memory/2372-24-0x0000000004C50000-0x0000000004C68000-memory.dmp

memory/2372-25-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-36-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-52-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-51-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-49-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-46-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-44-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-42-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-40-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-38-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-34-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-32-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-30-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-28-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-26-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/2372-53-0x0000000000400000-0x0000000000574000-memory.dmp

memory/2372-55-0x0000000000400000-0x0000000000574000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2896-59-0x00000000000F0000-0x0000000000122000-memory.dmp

memory/2896-60-0x0000000005050000-0x0000000005668000-memory.dmp

memory/2896-62-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/2896-61-0x0000000004BD0000-0x0000000004CDA000-memory.dmp

memory/2896-63-0x0000000004B60000-0x0000000004B9C000-memory.dmp

memory/2896-64-0x0000000004CE0000-0x0000000004D2C000-memory.dmp