Malware Analysis Report

2024-12-06 02:55

Sample ID 241110-a9yf6awcjj
Target 7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e
SHA256 7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e
Tags
healer redline lint 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

7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e

Threat Level: Known bad

The file 7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e was found to be: Known bad.

Malicious Activity Summary

healer redline lint discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer

Healer family

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine

RedLine payload

Windows security modification

Executes dropped EXE

Adds Run key to start application

Launches sc.exe

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:55

Reported

2024-11-10 00:57

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.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\IXP002.TMP\ns2745gS.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\IXP002.TMP\py94uZ78.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\ns2745gS.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\ns2745gS.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.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\IXP002.TMP\py94uZ78.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\IXP002.TMP\py94uZ78.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\ns2745gS.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\ns2745gS.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\IXP002.TMP\py94uZ78.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\IXP002.TMP\py94uZ78.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\IXP002.TMP\ns2745gS.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.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\will8470.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\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.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\will6380.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\IXP001.TMP\will8470.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1784 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe
PID 1784 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe
PID 1784 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe
PID 632 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe
PID 632 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe
PID 632 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe
PID 2528 wrote to memory of 236 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe
PID 2528 wrote to memory of 236 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe
PID 2528 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe
PID 2528 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe
PID 2528 wrote to memory of 4076 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe
PID 632 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe
PID 632 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe
PID 632 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe

"C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4076 -ip 4076

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe

C:\Windows\system32\sc.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
RU 193.233.20.28:4125 tcp
RU 193.233.20.28:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe

MD5 42bbd2e369d3a50dd2b57fdc9a7440ba
SHA1 a89d4f833dab03c3d55b2406175d8cf07fb55e08
SHA256 265eebb0004f0dcd657bd294a2646a740e1d17978ea6f3db484bf9222fe752d5
SHA512 3a6a27130fcaa1338c2f0e5af6284f5befbc03b30da1d244c79eeca723f64cf0c2ded361591e7f6e573c4d2cf140dc97b8c83f78487f225213979a7e3508c607

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe

MD5 290978a90b34493b4f6483f6b87ab105
SHA1 5053d07221cfe94553ff2c54d87a646d2b751121
SHA256 f1848666674b52d6ec6954586abda3b452bb297e6b8b38ff5a339a06ce3886bb
SHA512 dec1662579d68cd57c8d0f2b4b67e080d96ef6e39848bfb27c54d7075733b16913c69e1304080f08269bfec08210be51da759b34df7fc6adc64dd9b64b45c8d5

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe

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

memory/236-21-0x00007FFBB8303000-0x00007FFBB8305000-memory.dmp

memory/236-22-0x0000000000950000-0x000000000095A000-memory.dmp

memory/236-23-0x00007FFBB8303000-0x00007FFBB8305000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe

MD5 f5b1be009baf3cfd6bf823901ae627b5
SHA1 5e541b92a09e839c6173803fee488d6ad0143a25
SHA256 9e726168b1330086d3a97da0c89f997c6bebb81db659645f9811bc9b053bb116
SHA512 b3b9ee9bb28455ee238c8ef13c8baef932372efbec0b46eea61c28d59d0cbc55c3048971395bbcfc1dbca9f57abe0a1c83d47d4076de0c007d867d0bce94dae9

memory/4076-29-0x0000000002230000-0x000000000224A000-memory.dmp

memory/4076-30-0x0000000004B80000-0x0000000005124000-memory.dmp

memory/4076-31-0x0000000002560000-0x0000000002578000-memory.dmp

memory/4076-32-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-39-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-57-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-55-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-53-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-51-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-49-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-47-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-45-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-43-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-41-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-37-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-35-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-59-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-33-0x0000000002560000-0x0000000002572000-memory.dmp

memory/4076-60-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4076-62-0x0000000000400000-0x00000000004B8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe

MD5 0ecc8ab62b7278cc6650517251f1543c
SHA1 b4273cda193a20d48e83241275ffc34ddad412f2
SHA256 b0f1238e54ac8e3534af7ecb4f834bea3223120fedb1eab80f7a1bf00fb5b97a
SHA512 c79d266c82b766ca39377fd02b3bc307fce4b59f53936e97c162200de3f8b3f72f6beda2aef2ab9ecd9be669b625c6ed0aaefa157cca7ac11d78b1939f660092

memory/1060-66-0x00000000003D0000-0x0000000000402000-memory.dmp

memory/1060-67-0x00000000051F0000-0x0000000005808000-memory.dmp

memory/1060-68-0x0000000004D70000-0x0000000004E7A000-memory.dmp

memory/1060-69-0x0000000004CA0000-0x0000000004CB2000-memory.dmp

memory/1060-70-0x0000000004E80000-0x0000000004EBC000-memory.dmp

memory/1060-71-0x0000000004CC0000-0x0000000004D0C000-memory.dmp