Malware Analysis Report

2024-12-06 02:52

Sample ID 241110-a62dmsvnd1
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

RedLine payload

Modifies Windows Defender Real-time Protection settings

Redline family

Detects Healer an antivirus disabler dropper

Healer family

Healer

RedLine

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:50

Reported

2024-11-10 00:52

Platform

win10v2004-20241007-en

Max time kernel

127s

Max time network

143s

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
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\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
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\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\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\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\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\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\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

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\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_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
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

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\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
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

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 4668 wrote to memory of 1136 N/A C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe
PID 4668 wrote to memory of 1136 N/A C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe
PID 4668 wrote to memory of 1136 N/A C:\Users\Admin\AppData\Local\Temp\7c8926f7ba881e0b203ba7b661851b4747091d2dbf680d79e7fd18db28c81a7e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe
PID 1136 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe
PID 1136 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe
PID 1136 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe
PID 452 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe
PID 452 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ns2745gS.exe
PID 452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe
PID 452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe
PID 452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\will8470.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\py94uZ78.exe
PID 1136 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe
PID 1136 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\will6380.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qs7916ZP.exe
PID 1136 wrote to memory of 940 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 460 -p 1500 -ip 1500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 1084

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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RU 193.233.20.28:4125 tcp
RU 193.233.20.28:4125 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
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/3044-21-0x00007FF8025F3000-0x00007FF8025F5000-memory.dmp

memory/3044-22-0x00000000001F0000-0x00000000001FA000-memory.dmp

memory/3044-23-0x00007FF8025F3000-0x00007FF8025F5000-memory.dmp

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

MD5 f5b1be009baf3cfd6bf823901ae627b5
SHA1 5e541b92a09e839c6173803fee488d6ad0143a25
SHA256 9e726168b1330086d3a97da0c89f997c6bebb81db659645f9811bc9b053bb116
SHA512 b3b9ee9bb28455ee238c8ef13c8baef932372efbec0b46eea61c28d59d0cbc55c3048971395bbcfc1dbca9f57abe0a1c83d47d4076de0c007d867d0bce94dae9

memory/1500-29-0x00000000021E0000-0x00000000021FA000-memory.dmp

memory/1500-30-0x0000000004B30000-0x00000000050D4000-memory.dmp

memory/1500-31-0x00000000024D0000-0x00000000024E8000-memory.dmp

memory/1500-32-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-39-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-57-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-55-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-53-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-52-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-49-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-47-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-45-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-43-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-41-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-37-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-35-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-59-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-33-0x00000000024D0000-0x00000000024E2000-memory.dmp

memory/1500-60-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1500-62-0x0000000000400000-0x00000000004B8000-memory.dmp

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

MD5 0ecc8ab62b7278cc6650517251f1543c
SHA1 b4273cda193a20d48e83241275ffc34ddad412f2
SHA256 b0f1238e54ac8e3534af7ecb4f834bea3223120fedb1eab80f7a1bf00fb5b97a
SHA512 c79d266c82b766ca39377fd02b3bc307fce4b59f53936e97c162200de3f8b3f72f6beda2aef2ab9ecd9be669b625c6ed0aaefa157cca7ac11d78b1939f660092

memory/940-66-0x0000000000FA0000-0x0000000000FD2000-memory.dmp

memory/940-67-0x0000000005F30000-0x0000000006548000-memory.dmp

memory/940-68-0x0000000005A70000-0x0000000005B7A000-memory.dmp

memory/940-69-0x00000000059A0000-0x00000000059B2000-memory.dmp

memory/940-70-0x0000000005B80000-0x0000000005BBC000-memory.dmp

memory/940-71-0x0000000005A00000-0x0000000005A4C000-memory.dmp