Malware Analysis Report

2024-12-07 03:37

Sample ID 241111-f97bysxmdn
Target b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62
SHA256 b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62
Tags
redline fusa 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

b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62

Threat Level: Known bad

The file b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62 was found to be: Known bad.

Malicious Activity Summary

redline fusa 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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 05:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 05:35

Reported

2024-11-11 05:37

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfZ74.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP49.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\b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62.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\nfZ74.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\b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfZ74.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP49.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62.exe

"C:\Users\Admin\AppData\Local\Temp\b2cc4da60cdd2c5de3f093250a3642c20566e3281e7a0658c149162842c2af62.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfZ74.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfZ74.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP49.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP49.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 20.160.190.20.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
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 22.236.111.52.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\nfZ74.exe

MD5 ff3f50979ea46b172c43e8030b1822e7
SHA1 7867f40a7fe2f74782961cc6c7541c61b736b9d9
SHA256 eabcf75e078e2c1679cb5e952f7345eb91e894328e97b0008ccc20dc07fe080f
SHA512 95ba1405e4e82253c6931c66a961987d7e10fb9a9875898189f4d25c7c1002e94a8a1f97906233301f20b6d49a8b09943d7aa08e56123670b52bb6fa5c2b605c

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\byP49.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/232-14-0x000000007460E000-0x000000007460F000-memory.dmp

memory/232-15-0x0000000000C40000-0x0000000000C72000-memory.dmp

memory/232-16-0x0000000005BD0000-0x00000000061E8000-memory.dmp

memory/232-17-0x0000000005720000-0x000000000582A000-memory.dmp

memory/232-18-0x0000000005650000-0x0000000005662000-memory.dmp

memory/232-19-0x00000000056B0000-0x00000000056EC000-memory.dmp

memory/232-20-0x0000000005830000-0x000000000587C000-memory.dmp

memory/232-21-0x000000007460E000-0x000000007460F000-memory.dmp