Malware Analysis Report

2024-12-01 03:12

Sample ID 241111-rse2xsyrg1
Target Factura Honorarios 2024-11-04.exe
SHA256 93cd630026182d693fec819abe05948efd94f9249ba58ed590055473e9e951ef
Tags
vipkeylogger collection discovery keylogger spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

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: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

93cd630026182d693fec819abe05948efd94f9249ba58ed590055473e9e951ef

Threat Level: Known bad

The file Factura Honorarios 2024-11-04.exe was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection discovery keylogger spyware stealer

VIPKeylogger

Vipkeylogger family

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Loads dropped DLL

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of SetThreadContext

Drops file in Windows directory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Browser Information Discovery

Suspicious use of AdjustPrivilegeToken

outlook_office_path

Suspicious behavior: EnumeratesProcesses

outlook_win_path

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 14:27

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 14:27

Reported

2024-11-11 14:29

Platform

win10v2004-20241007-en

Max time kernel

142s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1516 set thread context of 3832 N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\gnatty\mataeotechny.gui C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Browser Information Discovery

discovery

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\Factura Honorarios 2024-11-04.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe

"C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe"

C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe

"C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 drive.google.com udp
GB 142.250.187.206:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.187.227:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 172.217.16.225:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 225.16.217.172.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
US 193.122.130.0:80 checkip.dyndns.org tcp
US 8.8.8.8:53 0.130.122.193.in-addr.arpa udp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsbB0D2.tmp\System.dll

MD5 7399323923e3946fe9140132ac388132
SHA1 728257d06c452449b1241769b459f091aabcffc5
SHA256 5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
SHA512 d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1

memory/1516-18-0x00000000772F1000-0x0000000077411000-memory.dmp

memory/1516-19-0x00000000772F1000-0x0000000077411000-memory.dmp

memory/1516-20-0x0000000010004000-0x0000000010005000-memory.dmp

memory/3832-21-0x0000000077378000-0x0000000077379000-memory.dmp

memory/3832-22-0x0000000077395000-0x0000000077396000-memory.dmp

memory/3832-35-0x0000000000490000-0x00000000016E4000-memory.dmp

memory/3832-37-0x00000000772F1000-0x0000000077411000-memory.dmp

memory/3832-36-0x0000000000490000-0x00000000016E4000-memory.dmp

memory/3832-38-0x00000000721EE000-0x00000000721EF000-memory.dmp

memory/3832-39-0x0000000000490000-0x00000000004D8000-memory.dmp

memory/3832-40-0x0000000037A60000-0x0000000038004000-memory.dmp

memory/3832-41-0x0000000038010000-0x00000000380AC000-memory.dmp

memory/3832-42-0x00000000721E0000-0x0000000072990000-memory.dmp

memory/3832-44-0x00000000721EE000-0x00000000721EF000-memory.dmp

memory/3832-45-0x00000000721E0000-0x0000000072990000-memory.dmp

memory/3832-46-0x0000000038610000-0x00000000387D2000-memory.dmp

memory/3832-47-0x00000000387F0000-0x0000000038840000-memory.dmp

memory/3832-49-0x0000000035470000-0x0000000035502000-memory.dmp

memory/3832-50-0x0000000035520000-0x000000003552A000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-11 14:27

Reported

2024-11-11 14:29

Platform

win7-20240729-en

Max time kernel

122s

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

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 2120 -s 224

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-11 14:27

Reported

2024-11-11 14:29

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

156s

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 1288 wrote to memory of 5008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1288 wrote to memory of 5008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1288 wrote to memory of 5008 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 408 -p 5008 -ip 5008

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 620

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 14:27

Reported

2024-11-11 14:29

Platform

win7-20240903-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2332 set thread context of 2844 N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\gnatty\mataeotechny.gui C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.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\Factura Honorarios 2024-11-04.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe

"C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe"

C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe

"C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2024-11-04.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.google.com udp
GB 142.250.187.206:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 216.58.212.227:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 172.217.16.225:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 checkip.dyndns.org udp
US 158.101.44.242:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.22:80 crl.microsoft.com tcp

Files

\Users\Admin\AppData\Local\Temp\nsj96E4.tmp\System.dll

MD5 7399323923e3946fe9140132ac388132
SHA1 728257d06c452449b1241769b459f091aabcffc5
SHA256 5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
SHA512 d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1

memory/2332-18-0x0000000077351000-0x0000000077452000-memory.dmp

memory/2332-19-0x0000000077350000-0x00000000774F9000-memory.dmp

memory/2844-20-0x0000000077350000-0x00000000774F9000-memory.dmp

memory/2844-21-0x0000000000490000-0x00000000014F2000-memory.dmp

memory/2844-41-0x0000000000490000-0x00000000014F2000-memory.dmp

memory/2844-42-0x0000000000490000-0x00000000004D8000-memory.dmp