Malware Analysis Report

2025-01-02 03:04

Sample ID 240814-je527avemm
Target 02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
SHA256 02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688
Tags
remotehost remcos discovery collection credential_access rat spyware stealer
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688

Threat Level: Known bad

The file 02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe was found to be: Known bad.

Malicious Activity Summary

remotehost remcos discovery collection credential_access rat spyware stealer

Remcos

Remcos family

NirSoft WebBrowserPassView

Detected Nirsoft tools

NirSoft MailPassView

Credentials from Password Stores: Credentials from Web Browsers

Reads user/profile data of web browsers

Accesses Microsoft Outlook accounts

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-14 07:35

Signatures

Remcos family

remcos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-14 07:35

Reported

2024-08-14 07:38

Platform

win7-20240708-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe"

Signatures

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\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe

"C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 serversw.duckdns.org udp
US 135.148.195.248:6875 serversw.duckdns.org tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

C:\Users\Admin\AppData\Local\Temp\nert\logs.dat

MD5 797e4a7967b9b39af3d9e0692888f281
SHA1 c696d78a397261d1c297b9e6629817019643f7c0
SHA256 d082a454f88a669e4155e43343bec113eab6bf1f0f098e3859da4f2160da4e52
SHA512 77dbb995cd4058ffd0d251a4ed27d70ba10473a3a71799eb8a7a4e003ec2001d91aba2ac339d1c63e0ea95cab8456dbc79deeb2845b8bfece2823da8ebe7cab5

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-14 07:35

Reported

2024-08-14 07:38

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe"

Signatures

Remcos

rat remcos

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Detected Nirsoft tools

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

NirSoft MailPassView

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

NirSoft WebBrowserPassView

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

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.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\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4084 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
PID 4084 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
PID 4084 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
PID 4084 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
PID 4084 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
PID 4084 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
PID 4084 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
PID 4084 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe
PID 4084 wrote to memory of 4564 N/A C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe

Processes

C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe

"C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe"

C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe

C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe /stext "C:\Users\Admin\AppData\Local\Temp\jcawowwsfimksedsolgysnrxnsfzfo"

C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe

C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe /stext "C:\Users\Admin\AppData\Local\Temp\uwnpoogtsqepvkrwywbavalowyxhgzpow"

C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe

C:\Users\Admin\AppData\Local\Temp\02008689c84d7a0d37007710998077ffdf9bca35af2282ed74a41d0259c44688.exe /stext "C:\Users\Admin\AppData\Local\Temp\wyshp"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4464,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 serversw.duckdns.org udp
US 135.148.195.248:6875 serversw.duckdns.org tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 248.195.148.135.in-addr.arpa udp
US 135.148.195.248:6875 serversw.duckdns.org tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2032-2-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4564-6-0x0000000000400000-0x0000000000424000-memory.dmp

memory/452-3-0x0000000000400000-0x0000000000462000-memory.dmp

memory/452-14-0x0000000000400000-0x0000000000462000-memory.dmp

memory/4564-25-0x0000000000400000-0x0000000000424000-memory.dmp

memory/4564-19-0x0000000000430000-0x00000000004F9000-memory.dmp

memory/452-17-0x0000000000400000-0x0000000000462000-memory.dmp

memory/2032-16-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4564-15-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2032-13-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4564-12-0x0000000000400000-0x0000000000424000-memory.dmp

memory/452-11-0x0000000000400000-0x0000000000462000-memory.dmp

memory/2032-10-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4564-9-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2032-33-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4084-36-0x0000000010000000-0x0000000010019000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\jcawowwsfimksedsolgysnrxnsfzfo

MD5 cda83eba5a004554ccdc061fd3df499c
SHA1 58ff2ecb9d47be10335e104896c87c62dc328523
SHA256 e384f4d46587646c6e0f9d2ee90b7bc57b49cea936b37cf8ab81ef3c4ce468ac
SHA512 f55ce20f0cf8b603fad765b889607f967c22d377fa4ac417ba1309d0aced9231e197bb4107d1c92bb99f51c04cc68ce26148727a8b694886710100c01f3de597

memory/4084-40-0x0000000010000000-0x0000000010019000-memory.dmp

memory/4084-39-0x0000000010000000-0x0000000010019000-memory.dmp

memory/4084-41-0x0000000000400000-0x0000000000482000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\nert\logs.dat

MD5 e35b30ee1c835a606cd01712f9a84d25
SHA1 98f132b7b2a0ca85475c6e3e85ca2acafce942ae
SHA256 c3b40a990203a29a61b145e40cc3e898c17ccf08521ba69d323c0ef0f876972c
SHA512 46c0ec7a475848767881bf6382a0aaf7a2d589f7d1e1e626d577d3dc2f74c1e69911581ee4c1e84367011f90cb62086cecb4be9cb6007e1eecaf1fba23bf81e2

memory/4084-47-0x0000000000400000-0x0000000000482000-memory.dmp