Malware Analysis Report

2025-04-03 11:14

Sample ID 241109-3b3x7svbja
Target 8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903
SHA256 8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903
Tags
redline most discovery infostealer persistence
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

8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903

Threat Level: Known bad

The file 8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903 was found to be: Known bad.

Malicious Activity Summary

redline most discovery infostealer persistence

RedLine payload

Redline family

RedLine

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 23:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 23:21

Reported

2024-11-09 23:23

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903.exe"

Signatures

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

Redline family

redline

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\i40020703.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.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\8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903.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\i44555467.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\8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a60626558.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4456 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe
PID 4456 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe
PID 4456 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe
PID 1828 wrote to memory of 3712 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe
PID 1828 wrote to memory of 3712 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe
PID 1828 wrote to memory of 3712 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe
PID 3712 wrote to memory of 3108 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe
PID 3712 wrote to memory of 3108 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe
PID 3712 wrote to memory of 3108 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe
PID 3108 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe
PID 3108 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe
PID 3108 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe
PID 1380 wrote to memory of 3756 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a60626558.exe
PID 1380 wrote to memory of 3756 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a60626558.exe
PID 1380 wrote to memory of 3756 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a60626558.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903.exe

"C:\Users\Admin\AppData\Local\Temp\8018766b421d5508d0f1fa78015ab6c1597a33028f849e712418de84a38cd903.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a60626558.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a60626558.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
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
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
RU 185.161.248.73:4164 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i44555467.exe

MD5 94d1a18b9e5dc1b7b70e88f79f8fce93
SHA1 8d80c6149db1df79b2d6fb8899a66d7bba9f1445
SHA256 3cd123cf11accec0e897e7fb29d909df84d457f549c6dea7adfddfc90483a8f7
SHA512 23ae69d1316aed6ad73044a768902fb53ad86be1d0de7c974149054dee352a7435b1146c197e5860c278adeadfd2935cc2aa5f22dcadf4a43d042e0a51e22a30

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i40020703.exe

MD5 5ec4021b23f3f4bd5d1adea5d3137467
SHA1 c323895235fe90b69b942b801914bb49dc21b584
SHA256 592f1e8b7da26ad3331d15af03291e58392d3e572a62f7328296ef0490e4cc00
SHA512 5462db0c7b422643ca680465a96e785f540e22fd444a78f624c8fbb2547ea4091de17eb972dfea1d445aa022e1c3cd0d47700f934325b1e73979e0bc52b5483b

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i97692144.exe

MD5 a8e544049f9c1eec123208cec4222f75
SHA1 b07b6a7642ebb3323cb7fc553cfec23026949cc3
SHA256 fcde33f996fdb99e28b93de8b2125ffaf4b7829bf0ccb47245361da2d58417f1
SHA512 8c5dc7a661edfe4778bbc9002235cbb9519e75195bfc3d5b0cf10cbf501fd5111784cd433704811c73d612f2c866947252fd63ccea07f19f368c25395641d043

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\i53456379.exe

MD5 9d5c1907c62ccea5b92cc3925a5db8fe
SHA1 033420ed7695e421754c5d0fc174156007685223
SHA256 80da36e6e349059ef8b7288e8a9e5c176d16c72ddb75a2d73d50eac430bd61fe
SHA512 843f6c069bb4ca071766fdcf3c485bf0ef5b5193b841f616b0c4ea6b22ab7acf744edcd5c333595773bd9c8b32e0981e7ef036cb656752b21a5f3c66c31881d8

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a60626558.exe

MD5 a0e2aa06af7d5e1b301d63cd6f87a758
SHA1 d69d13bd0ca5170cd679ad66556248dfc21c50ed
SHA256 b647a5740b3124e8653ea8da23952cecfed639026527322746b3e57be50da709
SHA512 8dcee6bca8715302f42272890e94b0c3f86e4df361dc63b8dd1944efec0ac828e1a0ec1880b4ac066aba047d1fa87538959177cbde93a411436d3916989f3126

memory/3756-35-0x00000000002B0000-0x00000000002E0000-memory.dmp

memory/3756-36-0x00000000009B0000-0x00000000009B6000-memory.dmp

memory/3756-37-0x000000000A790000-0x000000000ADA8000-memory.dmp

memory/3756-38-0x000000000A280000-0x000000000A38A000-memory.dmp

memory/3756-39-0x000000000A190000-0x000000000A1A2000-memory.dmp

memory/3756-40-0x000000000A1F0000-0x000000000A22C000-memory.dmp

memory/3756-41-0x0000000002580000-0x00000000025CC000-memory.dmp