Analysis Overview
SHA256
a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ce
Threat Level: Known bad
The file a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
VIPKeylogger
Vipkeylogger family
Loads dropped DLL
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in System32 directory
Suspicious use of SetThreadContext
Drops file in Windows directory
Browser Information Discovery
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
outlook_office_path
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-10 17:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 17:19
Reported
2024-11-10 17:21
Platform
win7-20240903-en
Max time kernel
116s
Max time network
118s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\diskussionsklubbens.ini | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2092 set thread context of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\0409\mooktar\julekaktussers.ini | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe
"C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe"
C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe
"C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.onedrive.com | udp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsdC562.tmp\System.dll
| MD5 | 564bb0373067e1785cba7e4c24aab4bf |
| SHA1 | 7c9416a01d821b10b2eef97b80899d24014d6fc1 |
| SHA256 | 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5 |
| SHA512 | 22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472 |
memory/2092-13-0x0000000003470000-0x0000000005781000-memory.dmp
memory/2092-14-0x0000000077431000-0x0000000077532000-memory.dmp
memory/2092-16-0x0000000077430000-0x00000000775D9000-memory.dmp
memory/2092-15-0x0000000003470000-0x0000000005781000-memory.dmp
memory/2092-18-0x0000000003470000-0x0000000005781000-memory.dmp
memory/2128-17-0x0000000077430000-0x00000000775D9000-memory.dmp
memory/2128-19-0x0000000000460000-0x00000000014C2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab1C78.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar1C9A.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 17:19
Reported
2024-11-10 17:21
Platform
win10v2004-20241007-en
Max time kernel
112s
Max time network
115s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\diskussionsklubbens.ini | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3520 set thread context of 2924 | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\0409\mooktar\julekaktussers.ini | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe
"C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe"
C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe
"C:\Users\Admin\AppData\Local\Temp\a53383bbc7e9c1a2f461bb8c13a15d155103da0bd024f1babca3fddf4123f8ceN.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.onedrive.com | udp |
| US | 13.107.42.12:443 | api.onedrive.com | tcp |
| US | 8.8.8.8:53 | gcj2qg.dm.files.1drv.com | udp |
| US | 13.107.42.12:443 | gcj2qg.dm.files.1drv.com | tcp |
| US | 8.8.8.8:53 | 12.42.107.13.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 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| 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 | mail.foodex.com.pk | udp |
| FI | 37.27.123.72:587 | mail.foodex.com.pk | tcp |
| US | 8.8.8.8:53 | 72.123.27.37.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.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\nslA104.tmp\System.dll
| MD5 | 564bb0373067e1785cba7e4c24aab4bf |
| SHA1 | 7c9416a01d821b10b2eef97b80899d24014d6fc1 |
| SHA256 | 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5 |
| SHA512 | 22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472 |
memory/3520-12-0x00000000032C0000-0x00000000055D1000-memory.dmp
memory/3520-13-0x00000000032C0000-0x00000000055D1000-memory.dmp
memory/3520-14-0x0000000077501000-0x0000000077621000-memory.dmp
memory/3520-15-0x00000000741F5000-0x00000000741F6000-memory.dmp
memory/3520-16-0x00000000032C0000-0x00000000055D1000-memory.dmp
memory/2924-17-0x00000000016C0000-0x00000000039D1000-memory.dmp
memory/2924-21-0x00000000016C0000-0x00000000039D1000-memory.dmp
memory/2924-22-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/2924-23-0x0000000000460000-0x00000000004AA000-memory.dmp
memory/2924-24-0x00000000367E0000-0x0000000036D84000-memory.dmp
memory/2924-25-0x00000000365F0000-0x000000003668C000-memory.dmp
memory/2924-28-0x0000000037210000-0x00000000373D2000-memory.dmp
memory/2924-29-0x0000000037400000-0x0000000037450000-memory.dmp
memory/2924-31-0x00000000374E0000-0x0000000037A0C000-memory.dmp
memory/2924-33-0x0000000033EF0000-0x0000000033F82000-memory.dmp
memory/2924-34-0x0000000033FE0000-0x0000000033FEA000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-10 17:19
Reported
2024-11-10 17:21
Platform
win7-20241010-en
Max time kernel
119s
Max time network
121s
Command Line
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
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
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 2440 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-10 17:19
Reported
2024-11-10 17:21
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
100s
Command Line
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
| 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 4512 wrote to memory of 3844 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4512 wrote to memory of 3844 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4512 wrote to memory of 3844 | 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 440 -p 3844 -ip 3844
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -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 | 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 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |