Malware Analysis Report

2024-12-07 03:37

Sample ID 241111-aaak2sybmd
Target e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209
SHA256 e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209
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

e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209

Threat Level: Known bad

The file e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209 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 00:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 00:00

Reported

2024-11-11 00:02

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209.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\spx52uc.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\srP52wG.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\e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kQV90Jv.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4232 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe
PID 4232 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe
PID 4232 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe
PID 436 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe
PID 436 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe
PID 436 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe
PID 3984 wrote to memory of 636 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kQV90Jv.exe
PID 3984 wrote to memory of 636 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kQV90Jv.exe
PID 3984 wrote to memory of 636 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kQV90Jv.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209.exe

"C:\Users\Admin\AppData\Local\Temp\e3b51398eceb66bfb64296684bb674a82d8b123fd6649178c43ac7a134856209.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\spx52uc.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kQV90Jv.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kQV90Jv.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 107.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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\spx52uc.exe

MD5 ca525443f960048a53c201e871ce6b8f
SHA1 304a9ffc4492fa98af226082729d4e807e08e919
SHA256 d103690ada673e8bd749f1bfa001d422b6e889cd0df1fe83f7945fcd68e12da0
SHA512 0dd78e17c2f5f25e9e6fcd0d0fb9df0e0a3534dfddf9c01602389f720fca3494d4f0b24efaf7809e50f7006dda25aa172955e7bd8278219fdcceb10269e155f2

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srP52wG.exe

MD5 347357fc45a043496991cbcdb10f3adf
SHA1 182d72dea7502433b4dc90cc1a3a206a74ec04e6
SHA256 b268e8118a8578c3fb5078dde53b089034c5324488bfa132713cd21e7a0ed606
SHA512 d08ac60f21f2a2d0bfad241602ed9a29ef08d1bbdc4a64781e054b2dd25677f5071b69d7a9adb1889fcf91c6423abf89fea356219010251dc0bc52e6062f2167

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kQV90Jv.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/636-21-0x00000000000B0000-0x00000000000E2000-memory.dmp

memory/636-22-0x0000000005030000-0x0000000005648000-memory.dmp

memory/636-23-0x0000000004B90000-0x0000000004C9A000-memory.dmp

memory/636-24-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/636-25-0x0000000004B20000-0x0000000004B5C000-memory.dmp

memory/636-26-0x0000000004CA0000-0x0000000004CEC000-memory.dmp