Analysis Overview
SHA256
db9d7fa72ddabfa9e6998ad24073c8a72f2188cf13115a4cca48a93267f35105
Threat Level: Known bad
The file 2.7z was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Loads dropped DLL
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-29 09:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-29 09:25
Reported
2024-10-29 09:28
Platform
win7-20241010-en
Max time kernel
9s
Max time network
127s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\customization.rom | C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\primy.ini | C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.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\PORUDZBENICA.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe
"C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe"
Network
Files
C:\Windows\Resources\primy.ini
| MD5 | 76d9175a3db7407eb0bfc3c07ddcd9d2 |
| SHA1 | 72071127e9a44935cb02650ed715ccaf6a8f8418 |
| SHA256 | 1f7119996dd17af05bf05e497104715bbbc3909676afa4329fbd59502be1a1a5 |
| SHA512 | 5032dab71e70a4bd1dad2f5cf9380e0097be7993bc46886fed6e4bdd8781f2b10d31338d90d0dc5804665bda2cbfe93f1172250e1a8ab7c9118baf9f156e3c69 |
\Users\Admin\AppData\Local\Temp\nsj2222.tmp\System.dll
| MD5 | 192639861e3dc2dc5c08bb8f8c7260d5 |
| SHA1 | 58d30e460609e22fa0098bc27d928b689ef9af78 |
| SHA256 | 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6 |
| SHA512 | 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc |
memory/2332-23239-0x0000000002AE0000-0x0000000003549000-memory.dmp
memory/2332-23240-0x0000000002AE0000-0x0000000003549000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-29 09:25
Reported
2024-10-29 09:28
Platform
win10v2004-20241007-en
Max time kernel
11s
Max time network
152s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\customization.rom | C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\primy.ini | C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.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\PORUDZBENICA.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe
"C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe"
C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe
"C:\Users\Admin\AppData\Local\Temp\PORUDZBENICA.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.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 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kmsaksesuar.com | udp |
| TR | 46.28.239.165:443 | kmsaksesuar.com | tcp |
| US | 8.8.8.8:53 | 165.239.28.46.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 61.45.26.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 150.171.28.10:443 | 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 | 27.178.89.13.in-addr.arpa | udp |
Files
C:\Windows\Resources\primy.ini
| MD5 | 76d9175a3db7407eb0bfc3c07ddcd9d2 |
| SHA1 | 72071127e9a44935cb02650ed715ccaf6a8f8418 |
| SHA256 | 1f7119996dd17af05bf05e497104715bbbc3909676afa4329fbd59502be1a1a5 |
| SHA512 | 5032dab71e70a4bd1dad2f5cf9380e0097be7993bc46886fed6e4bdd8781f2b10d31338d90d0dc5804665bda2cbfe93f1172250e1a8ab7c9118baf9f156e3c69 |
C:\Users\Admin\AppData\Local\Temp\nssB305.tmp\System.dll
| MD5 | 192639861e3dc2dc5c08bb8f8c7260d5 |
| SHA1 | 58d30e460609e22fa0098bc27d928b689ef9af78 |
| SHA256 | 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6 |
| SHA512 | 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc |
memory/1752-23237-0x0000000002EE0000-0x0000000003949000-memory.dmp
memory/1752-23238-0x0000000077D31000-0x0000000077E51000-memory.dmp
memory/1752-23239-0x0000000074A25000-0x0000000074A26000-memory.dmp
memory/1752-23240-0x0000000002EE0000-0x0000000003949000-memory.dmp
memory/1320-23241-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23242-0x0000000001660000-0x00000000020C9000-memory.dmp
memory/1320-23243-0x0000000077DB8000-0x0000000077DB9000-memory.dmp
memory/1320-23244-0x0000000077DD5000-0x0000000077DD6000-memory.dmp
memory/1320-23248-0x0000000001660000-0x00000000020C9000-memory.dmp
memory/1320-23249-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23250-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23252-0x0000000000401000-0x0000000000404000-memory.dmp
memory/1320-23251-0x0000000077D31000-0x0000000077E51000-memory.dmp
memory/1320-23253-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23254-0x0000000000401000-0x0000000000404000-memory.dmp
memory/1320-23255-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23256-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23257-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23258-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23259-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23263-0x0000000001660000-0x00000000020C9000-memory.dmp
memory/1320-23262-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1320-23264-0x0000000000401000-0x0000000000404000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-10-29 09:25
Reported
2024-10-29 09:28
Platform
win7-20241010-en
Max time kernel
13s
Max time network
18s
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 2108 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-10-29 09:25
Reported
2024-10-29 09:28
Platform
win10v2004-20241007-en
Max time kernel
137s
Max time network
149s
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 880 wrote to memory of 4116 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 880 wrote to memory of 4116 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 880 wrote to memory of 4116 | 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 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.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 | 26.35.223.20.in-addr.arpa | udp |