Malware Analysis Report

2024-12-06 03:03

Sample ID 241118-neay9svpa1
Target JOSHHHHHH.exe
SHA256 82736a226e54e0314c4b4e9967ef45eddbfd6bdc4737bb7d0d6f23cf89bde33c
Tags
guloader vipkeylogger discovery downloader keylogger stealer collection spyware
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: 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

82736a226e54e0314c4b4e9967ef45eddbfd6bdc4737bb7d0d6f23cf89bde33c

Threat Level: Known bad

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

Malicious Activity Summary

guloader vipkeylogger discovery downloader keylogger stealer collection spyware

Guloader family

Vipkeylogger family

VIPKeylogger

Guloader,Cloudeye

Loads dropped DLL

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Browser Information Discovery

System Location Discovery: System Language Discovery

Program crash

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 11:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 11:18

Reported

2024-11-18 11:20

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

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

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Loads dropped DLL

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

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3040 set thread context of 2600 N/A C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Kernelder\nyxis.ini C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.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\JOSHHHHHH.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

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

"C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.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 216.58.201.99:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 216.58.201.99:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 142.250.180.1:443 drive.usercontent.google.com tcp
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 reallyfreegeoip.org udp
US 172.67.177.134:443 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 2.19.252.143:80 crl.microsoft.com tcp
US 8.8.8.8:53 www.microsoft.com udp
GB 95.100.245.144:80 www.microsoft.com tcp

Files

\Users\Admin\AppData\Local\Temp\nstE3EA.tmp\System.dll

MD5 75ed96254fbf894e42058062b4b4f0d1
SHA1 996503f1383b49021eb3427bc28d13b5bbd11977
SHA256 a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA512 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

memory/3040-10-0x0000000004040000-0x0000000005C8F000-memory.dmp

memory/3040-12-0x00000000773B0000-0x0000000077559000-memory.dmp

memory/3040-11-0x00000000773B1000-0x00000000774B2000-memory.dmp

memory/3040-13-0x0000000004040000-0x0000000005C8F000-memory.dmp

memory/2600-14-0x00000000773B0000-0x0000000077559000-memory.dmp

memory/3040-15-0x0000000004040000-0x0000000005C8F000-memory.dmp

memory/2600-16-0x0000000000480000-0x00000000014E2000-memory.dmp

memory/2600-38-0x0000000000480000-0x00000000014E2000-memory.dmp

memory/2600-39-0x0000000000480000-0x00000000004C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 11:18

Reported

2024-11-18 11:20

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

145s

Command Line

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

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.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\JOSHHHHHH.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4964 set thread context of 2948 N/A C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Kernelder\nyxis.ini C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.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\JOSHHHHHH.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\JOSHHHHHH.exe N/A

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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 216.58.201.99:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 216.58.201.99:80 o.pki.goog tcp
US 8.8.8.8:53 206.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 99.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 142.250.180.1:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 1.180.250.142.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 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 73.247.226.132.in-addr.arpa udp
US 8.8.8.8:53 152.67.21.104.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 8.8.8.8:53 134.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.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\nsg7D8D.tmp\System.dll

MD5 75ed96254fbf894e42058062b4b4f0d1
SHA1 996503f1383b49021eb3427bc28d13b5bbd11977
SHA256 a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA512 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

memory/4964-9-0x0000000005240000-0x0000000006E8F000-memory.dmp

memory/4964-10-0x0000000077541000-0x0000000077661000-memory.dmp

memory/4964-11-0x00000000743A4000-0x00000000743A5000-memory.dmp

memory/4964-12-0x0000000005240000-0x0000000006E8F000-memory.dmp

memory/2948-13-0x00000000016E0000-0x000000000332F000-memory.dmp

memory/2948-14-0x00000000775C8000-0x00000000775C9000-memory.dmp

memory/2948-16-0x00000000775E5000-0x00000000775E6000-memory.dmp

memory/2948-15-0x00000000016E0000-0x000000000332F000-memory.dmp

memory/2948-29-0x0000000000480000-0x00000000016D4000-memory.dmp

memory/2948-30-0x0000000000480000-0x00000000016D4000-memory.dmp

memory/2948-31-0x0000000000480000-0x00000000004C8000-memory.dmp

memory/2948-32-0x0000000035FD0000-0x0000000036574000-memory.dmp

memory/2948-33-0x0000000035EE0000-0x0000000035F7C000-memory.dmp

memory/2948-34-0x0000000077541000-0x0000000077661000-memory.dmp

memory/2948-36-0x0000000036AC0000-0x0000000036C82000-memory.dmp

memory/2948-37-0x00000000365E0000-0x0000000036630000-memory.dmp

memory/2948-39-0x0000000036CE0000-0x0000000036D72000-memory.dmp

memory/2948-40-0x0000000036DB0000-0x0000000036DBA000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-18 11:18

Reported

2024-11-18 11:20

Platform

win7-20240903-en

Max time kernel

15s

Max time network

19s

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 2688 -s 220

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-18 11:18

Reported

2024-11-18 11:20

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

143s

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 3056 wrote to memory of 1388 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3056 wrote to memory of 1388 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3056 wrote to memory of 1388 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 404 -p 1388 -ip 1388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

N/A