Analysis Overview
SHA256
5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c
Threat Level: Known bad
The file 5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe was found to be: Known bad.
Malicious Activity Summary
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-06 02:43
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
2024-11-06 02:43
Reported
2024-11-06 02:45
Platform
win7-20240708-en
Max time kernel
149s
Max time network
142s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1504 set thread context of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe |
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\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe
"C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe"
C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe
"C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jm.ybo13.za.com | udp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
| US | 72.14.185.43:80 | jm.ybo13.za.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsjD6A.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/1504-27-0x0000000003A50000-0x0000000006C7A000-memory.dmp
memory/1504-28-0x0000000077951000-0x0000000077A52000-memory.dmp
memory/1504-29-0x0000000077950000-0x0000000077AF9000-memory.dmp
memory/1504-30-0x0000000003A50000-0x0000000006C7A000-memory.dmp
memory/1504-31-0x0000000003A50000-0x0000000006C7A000-memory.dmp
memory/2652-32-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2652-33-0x0000000000400000-0x0000000001462000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 02:43
Reported
2024-11-06 02:45
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3968 set thread context of 4512 | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe |
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\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe
"C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe"
C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe
"C:\Users\Admin\AppData\Local\Temp\5afa64f08316e42fe5a53efd3a7354f06f8c654bf7d2c2784dbfef6ad117349c.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jm.ybo13.za.com | udp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 8.8.8.8:53 | 44.18.33.45.in-addr.arpa | udp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 8.8.8.8:53 | 30.243.111.52.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 |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
| US | 45.33.18.44:80 | jm.ybo13.za.com | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\nsx80AA.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/3968-25-0x00000000041F0000-0x000000000741A000-memory.dmp
memory/3968-26-0x00000000777E1000-0x0000000077901000-memory.dmp
memory/3968-27-0x0000000010004000-0x0000000010005000-memory.dmp
memory/3968-28-0x00000000041F0000-0x000000000741A000-memory.dmp
memory/4512-29-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3968-30-0x00000000041F0000-0x000000000741A000-memory.dmp
memory/4512-31-0x0000000000400000-0x0000000001654000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-06 02:43
Reported
2024-11-06 02:45
Platform
win7-20240729-en
Max time kernel
16s
Max time network
16s
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 844 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-06 02:43
Reported
2024-11-06 02:45
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
150s
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 4292 wrote to memory of 2740 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4292 wrote to memory of 2740 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4292 wrote to memory of 2740 | 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 2740 -ip 2740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |