Malware Analysis Report

2025-01-23 06:42

Sample ID 241107-erj82atrgv
Target a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf
SHA256 a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf
Tags
healer redline dozt norm 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

a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf

Threat Level: Known bad

The file a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf was found to be: Known bad.

Malicious Activity Summary

healer redline dozt norm discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

RedLine payload

Modifies Windows Defender Real-time Protection settings

Redline family

Healer

RedLine

Healer family

Windows security modification

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 04:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 04:10

Reported

2024-11-07 04:12

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.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\jr663228.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\jr663228.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\jr663228.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\jr663228.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe N/A

RedLine

infostealer redline

RedLine payload

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

Redline family

redline

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe N/A

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\jr663228.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\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.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\ziCb2819.exe N/A

Enumerates physical storage devices

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\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Temp\1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr023669.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2100 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe
PID 2100 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe
PID 2100 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe
PID 4800 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe
PID 4800 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe
PID 4800 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe
PID 4800 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe
PID 4800 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe
PID 2164 wrote to memory of 5860 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe C:\Windows\Temp\1.exe
PID 2164 wrote to memory of 5860 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe C:\Windows\Temp\1.exe
PID 2164 wrote to memory of 5860 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe C:\Windows\Temp\1.exe
PID 2100 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr023669.exe
PID 2100 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr023669.exe
PID 2100 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr023669.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe

"C:\Users\Admin\AppData\Local\Temp\a43bb63994c3213f8cee716f17af6e90679bbc517ddbc37a269a01fce2deadcf.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe

C:\Windows\Temp\1.exe

"C:\Windows\Temp\1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2164 -ip 2164

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 1388

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr023669.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr023669.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
FI 77.91.124.145:4125 tcp
FI 77.91.124.145:4125 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
FI 77.91.124.145:4125 tcp
FI 77.91.124.145:4125 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
FI 77.91.124.145:4125 tcp
FI 77.91.124.145:4125 tcp
FI 77.91.124.145:4125 tcp
FI 77.91.124.145:4125 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
FI 77.91.124.145:4125 tcp
FI 77.91.124.145:4125 tcp
FI 77.91.124.145:4125 tcp
FI 77.91.124.145:4125 tcp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziCb2819.exe

MD5 339660b08eb587f5cb453167aee85f73
SHA1 89502366a650f361af2a18e1d684aee98793d8f3
SHA256 5541788e4166a4c57c7f51a02ee0ca4c455c539b2fec262299bd56aa4a9849d5
SHA512 42a4c4ef5bb37f2277709dc71f597c8a4acbba5da8b0a4560a52afe2914310498083b8509b1ba153ef0c3d842ab0a4cc6aa02de342149cd6f3e68b046f32e155

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr663228.exe

MD5 3d648dc5678c859e92e6bf3927ded660
SHA1 6faa088d301c2672d56d101e7a17567be10d867c
SHA256 74617132f7136419b7ac7dbd5addb16197a5aea6e642c00485df4a2c1c7ce5e7
SHA512 3ab41fb982ade76008f5863c9b0722160e7a193cb1f51bf85d2e2f40133ad82b9f9d684fd291b2c72c03ed94cfbfed9a76d89b56a3b87d9412cec28523959ea4

memory/1804-14-0x00007FF867D53000-0x00007FF867D55000-memory.dmp

memory/1804-15-0x0000000000010000-0x000000000001A000-memory.dmp

memory/1804-16-0x00007FF867D53000-0x00007FF867D55000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku963563.exe

MD5 d2684d05e7b95af6a2abe0505cd95caf
SHA1 40ed5550d98369bddbd256df1c2581e0becfb476
SHA256 8256173e6de3c80c2f67e49dc66c6c81990910a17716870de63eea0dd46e1b3d
SHA512 3213a83ca9f744250ca943c0ec343dd7cc7ec1142c1d514f3214e1f8987cb57eac9bd3f3b75b5f02be451332756d13bc492b946a8b0121740831e27d68de77d3

memory/2164-22-0x0000000002610000-0x0000000002676000-memory.dmp

memory/2164-23-0x0000000004C50000-0x00000000051F4000-memory.dmp

memory/2164-24-0x0000000005200000-0x0000000005266000-memory.dmp

memory/2164-32-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-40-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-88-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-86-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-84-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-82-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-80-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-78-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-76-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-74-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-72-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-68-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-66-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-64-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-62-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-60-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-58-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-56-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-52-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-50-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-48-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-46-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-44-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-42-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-38-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-36-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-34-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-30-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-28-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-70-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-54-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-26-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-25-0x0000000005200000-0x000000000525F000-memory.dmp

memory/2164-2105-0x0000000005400000-0x0000000005432000-memory.dmp

C:\Windows\Temp\1.exe

MD5 1073b2e7f778788852d3f7bb79929882
SHA1 7f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4
SHA256 c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
SHA512 90cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0

memory/5860-2118-0x0000000000AD0000-0x0000000000B00000-memory.dmp

memory/5860-2119-0x0000000002E00000-0x0000000002E06000-memory.dmp

memory/5860-2120-0x0000000005A70000-0x0000000006088000-memory.dmp

memory/5860-2121-0x0000000005560000-0x000000000566A000-memory.dmp

memory/5860-2122-0x0000000005470000-0x0000000005482000-memory.dmp

memory/5860-2123-0x00000000054D0000-0x000000000550C000-memory.dmp

memory/5860-2124-0x0000000005510000-0x000000000555C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr023669.exe

MD5 53112e97c5b4b7ca9fc6fdf25873a973
SHA1 9d49d45a7edf629326ac46609f629041cfdb5504
SHA256 0abc413ef936f17eeb6d818b5911d2019d6d1785187f106dad2f7ccc5ab6b548
SHA512 1f8f813a7ca1efb2ee47da18ae4029735626d36d2df55e84dd9eb37d0052bf6f0718f18ad501d97a8dcb90f1feba23fd771d5e4c7c5c236291344c710be46d8f

memory/4092-2129-0x0000000000070000-0x00000000000A0000-memory.dmp

memory/4092-2130-0x00000000021A0000-0x00000000021A6000-memory.dmp