Malware Analysis Report

2025-03-15 01:45

Sample ID 230910-thp59aac77
Target 21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233
SHA256 21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233
Tags
healer redline virad 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

21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233

Threat Level: Known bad

The file 21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233 was found to be: Known bad.

Malicious Activity Summary

healer redline virad dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

RedLine

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-10 16:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-10 16:03

Reported

2023-09-10 16:06

Platform

win10v2004-20230831-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper 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:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

RedLine

infostealer redline

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\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.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\x3389341.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\x6387859.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 920 set thread context of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4692 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe
PID 4692 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe
PID 4692 wrote to memory of 2268 N/A C:\Users\Admin\AppData\Local\Temp\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe
PID 2268 wrote to memory of 3588 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe
PID 2268 wrote to memory of 3588 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe
PID 2268 wrote to memory of 3588 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe
PID 3588 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe
PID 3588 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe
PID 3588 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe
PID 920 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 920 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 920 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 920 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 920 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 920 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 920 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 920 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3588 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe
PID 3588 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe
PID 3588 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe

Processes

C:\Users\Admin\AppData\Local\Temp\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.exe

"C:\Users\Admin\AppData\Local\Temp\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 920 -ip 920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 568

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 254.113.26.67.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 126.21.238.8.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp
FI 77.91.124.82:19071 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe

MD5 ad451730b68f2dff4525cf99d043585c
SHA1 10ff965545cabfa855c28181ff8c2da80e2fcf96
SHA256 79e94fc545216f168a62d1ac4c712b39e1f7aa7448eff2374bbf40b7088fdbba
SHA512 64731176fc6a6286af39b1274f40ad844f45d5cf46fc9c08ef584cbc0eb6290838d48b74cc540353ebd8b39c58395091326f23b2b5bd48eaa781e6750dd31e78

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe

MD5 ad451730b68f2dff4525cf99d043585c
SHA1 10ff965545cabfa855c28181ff8c2da80e2fcf96
SHA256 79e94fc545216f168a62d1ac4c712b39e1f7aa7448eff2374bbf40b7088fdbba
SHA512 64731176fc6a6286af39b1274f40ad844f45d5cf46fc9c08ef584cbc0eb6290838d48b74cc540353ebd8b39c58395091326f23b2b5bd48eaa781e6750dd31e78

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe

MD5 ea3d201feb2ad7cee6a08b052f59d5e9
SHA1 b95b639312fb54e9d6c29b4f3d681442703e615e
SHA256 31eb6f1158792c095a309de08e43869290804337d8db8896c8ca0250fcca9dcc
SHA512 51da5a746aacb59576db76b087654f5d5d8e7a7407b1224e70d3293058a23b779bfde1093ab22b72ec972983dd10a3c000d9dbe598506d77a85e73434678fddd

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe

MD5 ea3d201feb2ad7cee6a08b052f59d5e9
SHA1 b95b639312fb54e9d6c29b4f3d681442703e615e
SHA256 31eb6f1158792c095a309de08e43869290804337d8db8896c8ca0250fcca9dcc
SHA512 51da5a746aacb59576db76b087654f5d5d8e7a7407b1224e70d3293058a23b779bfde1093ab22b72ec972983dd10a3c000d9dbe598506d77a85e73434678fddd

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe

MD5 f7eeb1a801d2c9102c4e0f1ad3eb647e
SHA1 661a1722f7a8ad76e468e3e2c49ca772ac3fe3db
SHA256 16a01e437d325a072479cd6bb8698218c40c65807738ad36c668d25b38c33830
SHA512 067e53cfa3a1736e8b0aa95178727acadd8ec51d4bb7104892d1503861b4884c6966133fa58f51d59be7d9f1823939bb2ecc8b9506e92c160360296b387e37a4

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe

MD5 f7eeb1a801d2c9102c4e0f1ad3eb647e
SHA1 661a1722f7a8ad76e468e3e2c49ca772ac3fe3db
SHA256 16a01e437d325a072479cd6bb8698218c40c65807738ad36c668d25b38c33830
SHA512 067e53cfa3a1736e8b0aa95178727acadd8ec51d4bb7104892d1503861b4884c6966133fa58f51d59be7d9f1823939bb2ecc8b9506e92c160360296b387e37a4

memory/1832-21-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1832-22-0x00000000742D0000-0x0000000074A80000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe

MD5 566e3ad0588b407c1d53b2d48f27169d
SHA1 b09056537a4e0d6086741198898b692c9d2459e8
SHA256 f7e18cda7c1c484b7b34f3f3bcfe65fd209c9d8d6cac21d298b1426087b2e013
SHA512 d123eea3008cf7fd36cdf1fed4e9411abb36ac8b1c601267568ebb360347c9769a4c9887607e7a32d34cd388f6a0fc7a56077ab43a9f97e23c4ce818b4b33b98

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe

MD5 566e3ad0588b407c1d53b2d48f27169d
SHA1 b09056537a4e0d6086741198898b692c9d2459e8
SHA256 f7e18cda7c1c484b7b34f3f3bcfe65fd209c9d8d6cac21d298b1426087b2e013
SHA512 d123eea3008cf7fd36cdf1fed4e9411abb36ac8b1c601267568ebb360347c9769a4c9887607e7a32d34cd388f6a0fc7a56077ab43a9f97e23c4ce818b4b33b98

memory/1724-26-0x0000000000F40000-0x0000000000F70000-memory.dmp

memory/1724-27-0x00000000742D0000-0x0000000074A80000-memory.dmp

memory/1724-28-0x000000000B260000-0x000000000B878000-memory.dmp

memory/1724-29-0x000000000ADB0000-0x000000000AEBA000-memory.dmp

memory/1724-31-0x0000000005770000-0x0000000005780000-memory.dmp

memory/1724-30-0x000000000ACF0000-0x000000000AD02000-memory.dmp

memory/1724-32-0x000000000AD50000-0x000000000AD8C000-memory.dmp

memory/1832-33-0x00000000742D0000-0x0000000074A80000-memory.dmp

memory/1832-35-0x00000000742D0000-0x0000000074A80000-memory.dmp

memory/1724-36-0x00000000742D0000-0x0000000074A80000-memory.dmp

memory/1724-37-0x0000000005770000-0x0000000005780000-memory.dmp