Malware Analysis Report

2024-12-06 03:24

Sample ID 241022-yrh6hs1flc
Target rNuevo_Pedido_129149.exe
SHA256 8d9cacf5c0689e332f4e043117ecdc533edf1b52b65179885ceb284ff706a6fe
Tags
discovery guloader downloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8d9cacf5c0689e332f4e043117ecdc533edf1b52b65179885ceb284ff706a6fe

Threat Level: Known bad

The file rNuevo_Pedido_129149.exe was found to be: Known bad.

Malicious Activity Summary

discovery guloader downloader

Guloader,Cloudeye

Loads dropped DLL

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of SetThreadContext

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Enumerates physical storage devices

NSIS installer

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-22 20:01

Signatures

Unsigned PE

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

NSIS installer

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

Analysis: behavioral5

Detonation Overview

Submitted

2024-10-22 20:01

Reported

2024-10-22 20:03

Platform

macos-20240711.1-en

Max time kernel

92s

Max time network

123s

Command Line

[sh -c sudo /bin/zsh -c "open /Users/run/frlighed.app"]

Signatures

N/A

Processes

/bin/sh

[sh -c sudo /bin/zsh -c "open /Users/run/frlighed.app"]

/bin/bash

[sh -c sudo /bin/zsh -c "open /Users/run/frlighed.app"]

/usr/bin/sudo

[sudo /bin/zsh -c open /Users/run/frlighed.app]

/bin/zsh

[/bin/zsh -c open /Users/run/frlighed.app]

/usr/bin/open

[open /Users/run/frlighed.app]

/usr/libexec/xpcproxy

[xpcproxy com.apple.audio.AudioComponentRegistrar]

/System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar

[/System/Library/Frameworks/AudioToolbox.framework/AudioComponentRegistrar -daemon]

Network

Country Destination Domain Proto
GB 184.85.51.234:443 tcp
GB 2.18.109.84:443 tcp
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-22 20:01

Reported

2024-10-22 20:03

Platform

win7-20240903-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe"

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2128 set thread context of 1892 N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\resources\synderegistres.lnk C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A
File opened for modification C:\Windows\resources\synderegistres.lnk C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A
File opened for modification C:\Windows\negotiate\Anstdeligheden.ini C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Enumerates physical storage devices

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\rNuevo_Pedido_129149.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe

"C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe"

C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe

"C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 comercializadoradeinsumos.cl udp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp

Files

C:\Windows\Resources\synderegistres.lnk

MD5 365cb24159845769eb253f3474b50a5b
SHA1 d12407692ce6dbe8d0b1060be1bc0ebe66bf309e
SHA256 f059b61fff3bc4500139bda123ce945f2f754e37cb8e75b9d2047b4548d43d14
SHA512 48ed3b9e5207d08addee7af4005d1c6431a2fd0be07de4980e15c0cb9b5fc431fef6ffade6b71802f1dfc4f68bcbac19b5a01e223ac739d13d0b6092b7017c2d

C:\ProgramData\Microsoft\Windows\Start Menu\eksportafgrde.ini

MD5 a0d91a2f9acb4dec3b5260aba27839c4
SHA1 8a9037c691a2bdeebcab8bf3d4c954e62aca9207
SHA256 773cd6fba7d53550b4c41aa889e330b744a7a579df2bb02212773b67e72f5844
SHA512 d3df7852aea197e901c787cd8d943faaa30ee9a6678c4853ed0bb494679897854e4e7556f420f1c176443a485cf1e02e0b4bff86f8da4017a053362b2c9a0608

\Users\Admin\AppData\Local\Temp\nsyD7DA.tmp\System.dll

MD5 12b140583e3273ee1f65016becea58c4
SHA1 92df24d11797fefd2e1f8d29be9dfd67c56c1ada
SHA256 014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
SHA512 49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

memory/1892-828-0x0000000000400000-0x0000000001462000-memory.dmp

memory/1892-829-0x0000000000400000-0x0000000001462000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-22 20:01

Reported

2024-10-22 20:03

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2108 set thread context of 2760 N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\resources\synderegistres.lnk C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A
File opened for modification C:\Windows\resources\synderegistres.lnk C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A
File opened for modification C:\Windows\negotiate\Anstdeligheden.ini C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Enumerates physical storage devices

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\rNuevo_Pedido_129149.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe

"C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe"

C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe

"C:\Users\Admin\AppData\Local\Temp\rNuevo_Pedido_129149.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 comercializadoradeinsumos.cl udp
US 162.240.106.189:443 comercializadoradeinsumos.cl tcp
US 8.8.8.8:53 61.45.26.184.in-addr.arpa udp
US 8.8.8.8:53 189.106.240.162.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 210.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 226.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

C:\Windows\Resources\synderegistres.lnk

MD5 46227d523df86f1a04a4ca9657e17d63
SHA1 cc5db22127aff06f637079b29478c258f38ca3ed
SHA256 54b6f79dd44886f2ca4b8b973ae592b32992e217c33be4c86f7f95d0ce743857
SHA512 c84be62a59439b9993da6a1213169fbb507779a54bcc0b7740b7e1247693f15f0a8d733e130eb5a630e4c1d2bb60becd4021caf161306cf51da75e42f7a73691

C:\ProgramData\Microsoft\Windows\Start Menu\eksportafgrde.ini

MD5 a0d91a2f9acb4dec3b5260aba27839c4
SHA1 8a9037c691a2bdeebcab8bf3d4c954e62aca9207
SHA256 773cd6fba7d53550b4c41aa889e330b744a7a579df2bb02212773b67e72f5844
SHA512 d3df7852aea197e901c787cd8d943faaa30ee9a6678c4853ed0bb494679897854e4e7556f420f1c176443a485cf1e02e0b4bff86f8da4017a053362b2c9a0608

C:\Users\Admin\AppData\Local\Temp\nsgAE34.tmp\System.dll

MD5 12b140583e3273ee1f65016becea58c4
SHA1 92df24d11797fefd2e1f8d29be9dfd67c56c1ada
SHA256 014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
SHA512 49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

memory/2108-826-0x00000000033C0000-0x0000000004889000-memory.dmp

memory/2108-827-0x0000000076E71000-0x0000000076F91000-memory.dmp

memory/2108-828-0x0000000073B65000-0x0000000073B66000-memory.dmp

memory/2108-829-0x00000000033C0000-0x0000000004889000-memory.dmp

memory/2760-830-0x0000000000400000-0x0000000001654000-memory.dmp

memory/2760-831-0x0000000001660000-0x0000000002B29000-memory.dmp

memory/2760-832-0x0000000076EF8000-0x0000000076EF9000-memory.dmp

memory/2760-833-0x0000000076F15000-0x0000000076F16000-memory.dmp

memory/2760-837-0x0000000001660000-0x0000000002B29000-memory.dmp

memory/2760-838-0x0000000000400000-0x0000000001654000-memory.dmp

memory/2760-839-0x0000000000400000-0x0000000001654000-memory.dmp

memory/2760-840-0x0000000076E71000-0x0000000076F91000-memory.dmp

memory/2760-841-0x0000000000400000-0x0000000001654000-memory.dmp

memory/2760-842-0x0000000000400000-0x0000000001654000-memory.dmp

memory/2760-845-0x0000000000400000-0x0000000001654000-memory.dmp

memory/2760-846-0x0000000001660000-0x0000000002B29000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-10-22 20:01

Reported

2024-10-22 20:03

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 220

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-10-22 20:01

Reported

2024-10-22 20:03

Platform

win10v2004-20241007-en

Max time kernel

136s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1096 wrote to memory of 4948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 4948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 4948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 612

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 243.108.222.173.in-addr.arpa udp
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

Files

N/A