Malware Analysis Report

2025-04-03 10:41

Sample ID 241105-c2tt4sskay
Target 4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88
SHA256 4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88
Tags
redline romik 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

4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88

Threat Level: Known bad

The file 4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88 was found to be: Known bad.

Malicious Activity Summary

redline romik discovery infostealer persistence

RedLine

RedLine payload

Redline family

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-05 02:34

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-05 02:34

Reported

2024-11-05 02:37

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88.exe"

Signatures

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88.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\vgY64.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\vqk87.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\IXP000.TMP\vgY64.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dJR13.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dJR13.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1844 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe
PID 1844 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe
PID 1844 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe
PID 2252 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe
PID 2252 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe
PID 2252 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe
PID 4428 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dJR13.exe
PID 4428 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dJR13.exe
PID 4428 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dJR13.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88.exe

"C:\Users\Admin\AppData\Local\Temp\4c89d490bba49d14610b421bd5bf520b29e53a5a8be7e368551eca1feb68ef88.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dJR13.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dJR13.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgY64.exe

MD5 7b1ad3695728213ddf9d0df937945819
SHA1 dc847bd2147e890889da016dd970d181991ed101
SHA256 6b71c35fbe7ab84c7a938a64d1444481019b40f8a86f23be117e9cd1abbafdd7
SHA512 f95d294c152452b398ede583af408ac79f86a7106abc080f0125c84537ac300840cd9da8e7360d53453396353a69480193306ea20aa5b1907c81db9625377b1a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vqk87.exe

MD5 5d69fdfd5cd3fdc51ac5d2fa5d502603
SHA1 c00e02693679f11b4739a77907a92d01c6259b5b
SHA256 467cc6cba7d4710857687e9d0bb23a845d7259ad991da334ac6fff63eeb2dd0a
SHA512 154bfe67c99713ab3ab230edfcf70de3167711a77addc6006f4cc7b9b8dddd6d5cf494a9ef90c25124f9954677a04d42405c09110688a349e731da5e85169d98

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dJR13.exe

MD5 fe57bbeef8c6297d25ec31a4091f23ff
SHA1 5dcf1c47e1cd0d100785db1bac28cd37e3587547
SHA256 ef94ba239720c71582de96e8a73561728851cec107b6bc6d633264dd79698934
SHA512 06e9499c8f0932ae1e5892d261e9b91a617ebd5f03ceea92521d88ac55ad6ae8613b075f5511a2e338f62dd19b95c0d47b4b89b8b19af14950973514ecc2d0be

memory/3648-22-0x0000000000860000-0x0000000000960000-memory.dmp

memory/3648-23-0x0000000004A10000-0x0000000004A56000-memory.dmp

memory/3648-24-0x0000000004BD0000-0x0000000005174000-memory.dmp

memory/3648-25-0x0000000004AB0000-0x0000000004AF4000-memory.dmp

memory/3648-41-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-51-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-87-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-85-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-83-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-81-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-79-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-73-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-71-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-69-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-67-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-65-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-63-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-61-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-59-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-55-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-54-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-49-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-47-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-45-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-43-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-39-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-37-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-35-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-33-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-89-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-31-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-29-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-77-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-75-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-57-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-27-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-26-0x0000000004AB0000-0x0000000004AEE000-memory.dmp

memory/3648-932-0x0000000005180000-0x0000000005798000-memory.dmp

memory/3648-933-0x00000000057B0000-0x00000000058BA000-memory.dmp

memory/3648-934-0x00000000058F0000-0x0000000005902000-memory.dmp

memory/3648-935-0x0000000005910000-0x000000000594C000-memory.dmp

memory/3648-936-0x0000000005A60000-0x0000000005AAC000-memory.dmp

memory/3648-938-0x0000000000860000-0x0000000000960000-memory.dmp