Malware Analysis Report

2025-03-15 01:45

Sample ID 230910-tlw3zaac94
Target 37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806
SHA256 37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806
Tags
redline virad 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

37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806

Threat Level: Known bad

The file 37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806 was found to be: Known bad.

Malicious Activity Summary

redline virad infostealer persistence

RedLine

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-10 16:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-10 16:09

Reported

2023-09-10 16:11

Platform

win10-20230831-en

Max time kernel

133s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe"

Signatures

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_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\y7922925.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\y1909466.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\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 324 wrote to memory of 96 N/A C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe
PID 324 wrote to memory of 96 N/A C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe
PID 324 wrote to memory of 96 N/A C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe
PID 96 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe
PID 96 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe
PID 96 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe
PID 4572 wrote to memory of 4768 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe
PID 4572 wrote to memory of 4768 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe
PID 4572 wrote to memory of 4768 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe
PID 4572 wrote to memory of 3848 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe
PID 4572 wrote to memory of 3848 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe
PID 4572 wrote to memory of 3848 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe

Processes

C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe

"C:\Users\Admin\AppData\Local\Temp\37a8546e48b756703950f9e5fc264962f49b0d00f9faa35f744cc02328a74806.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe

Network

Country Destination Domain Proto
RU 5.42.92.211:80 5.42.92.211 tcp
US 8.8.8.8:53 211.92.42.5.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 38.148.119.40.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp
FI 77.91.124.82:19071 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe

MD5 305fdeb7a053bb0221d831999618efcb
SHA1 1a299ed7dcb90bdaf4603d6dcea45118ddc2c4b8
SHA256 ed8513f0c7e9b6a9a72c47d8aae8274fa743104fb299956b6e282620a91e960c
SHA512 8c30432b6dc373f52643af87150de38d346359c9ad37f55b4b0700faf847f8613e89212fa1960fc3e4a7e8c578102735476c9df06c6cb292a7c956ecb943d1b7

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7922925.exe

MD5 305fdeb7a053bb0221d831999618efcb
SHA1 1a299ed7dcb90bdaf4603d6dcea45118ddc2c4b8
SHA256 ed8513f0c7e9b6a9a72c47d8aae8274fa743104fb299956b6e282620a91e960c
SHA512 8c30432b6dc373f52643af87150de38d346359c9ad37f55b4b0700faf847f8613e89212fa1960fc3e4a7e8c578102735476c9df06c6cb292a7c956ecb943d1b7

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe

MD5 b51049844ffdd6526e8ef2a5d2ff5503
SHA1 513c14485148840e91cf7434dc366e5121de9646
SHA256 06a6b55edb7bb7b50e445170214fecb461e6ddde7b8e927e15f95c948c9c207a
SHA512 c862ed81ab3c11bfeafb5dedd35da972e48e452c3d5bcafa0bf4f20395f41ed0d926c445ea14c6e1dcca1b7ed8089e9db5bdf030d827355fbaee3f26e1eb5875

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1909466.exe

MD5 b51049844ffdd6526e8ef2a5d2ff5503
SHA1 513c14485148840e91cf7434dc366e5121de9646
SHA256 06a6b55edb7bb7b50e445170214fecb461e6ddde7b8e927e15f95c948c9c207a
SHA512 c862ed81ab3c11bfeafb5dedd35da972e48e452c3d5bcafa0bf4f20395f41ed0d926c445ea14c6e1dcca1b7ed8089e9db5bdf030d827355fbaee3f26e1eb5875

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe

MD5 54129c7cb33e7bf3d197fcd26837d112
SHA1 18be8c4ab8636dbc9a146af771a20c8657d669e5
SHA256 98f50d64e3d4ec1f7180114d29a1f22099795479d0fdeb0c0c9b57fee58ca68f
SHA512 64e4195538f7c1c113eadd3596666796693fd7913f293e0b56bd842e8461cb3e2561bb5d167524dc085f8d5f9e1ee688556443b3e9a019f0e1e954c61c6b8d47

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m3661982.exe

MD5 54129c7cb33e7bf3d197fcd26837d112
SHA1 18be8c4ab8636dbc9a146af771a20c8657d669e5
SHA256 98f50d64e3d4ec1f7180114d29a1f22099795479d0fdeb0c0c9b57fee58ca68f
SHA512 64e4195538f7c1c113eadd3596666796693fd7913f293e0b56bd842e8461cb3e2561bb5d167524dc085f8d5f9e1ee688556443b3e9a019f0e1e954c61c6b8d47

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe

MD5 53b5cf82d09a394256e2de3bc33e3b01
SHA1 26a85c65da71547da053f51f2e71bfbb894c8975
SHA256 9dddc2802626fe66342499c9ded06b03fc8c60ec2f90587b4560a7511a95e307
SHA512 2756f3fd1183e5671ea5aa79f0bc29549f8b04c538ee506d528cb7ac57cf83d001a603ab12f888697d45484cefa487dfd7874239c86c6f4bfc36f600bb05c2a2

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n5392032.exe

MD5 53b5cf82d09a394256e2de3bc33e3b01
SHA1 26a85c65da71547da053f51f2e71bfbb894c8975
SHA256 9dddc2802626fe66342499c9ded06b03fc8c60ec2f90587b4560a7511a95e307
SHA512 2756f3fd1183e5671ea5aa79f0bc29549f8b04c538ee506d528cb7ac57cf83d001a603ab12f888697d45484cefa487dfd7874239c86c6f4bfc36f600bb05c2a2

memory/3848-24-0x0000000000760000-0x0000000000790000-memory.dmp

memory/3848-25-0x0000000072EB0000-0x000000007359E000-memory.dmp

memory/3848-26-0x00000000029F0000-0x00000000029F6000-memory.dmp

memory/3848-27-0x000000000AB90000-0x000000000B196000-memory.dmp

memory/3848-28-0x000000000A6B0000-0x000000000A7BA000-memory.dmp

memory/3848-29-0x000000000A5E0000-0x000000000A5F2000-memory.dmp

memory/3848-30-0x000000000A640000-0x000000000A67E000-memory.dmp

memory/3848-31-0x000000000A7C0000-0x000000000A80B000-memory.dmp

memory/3848-32-0x0000000072EB0000-0x000000007359E000-memory.dmp