Analysis Overview
SHA256
0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441
Threat Level: Known bad
The file 0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
NSIS installer
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-07 02:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral6
Detonation Overview
Submitted
2024-11-07 02:05
Reported
2024-11-07 02:07
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
136s
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 3060 wrote to memory of 4428 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3060 wrote to memory of 4428 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3060 wrote to memory of 4428 | 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 412 -p 4428 -ip 4428
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 612
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 | 107.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.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 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-07 02:05
Reported
2024-11-07 02:07
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Loads dropped DLL
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe |
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\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2600 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2600 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2600 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2600 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe
"C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 524
Network
Files
\Users\Admin\AppData\Local\Temp\nsoB701.tmp\System.dll
| MD5 | 4ca4fd3fbefa2f6e87e6e9ee87d1c0b3 |
| SHA1 | 7cdbeb5ff2b14b86af04e075d0ca651183ea5df4 |
| SHA256 | d09a8b3ade4ba4b7292c0b3da1bcb4b6c6e2012e0ccfd5e029a54af73a9e1b57 |
| SHA512 | cf0f415a97fdc74568297fed4f1295d0d2aef487a308141144ef8d5f04c669ef4795c273e745b81065429adde113fcdedf4c22717a7aeef60fdcd8d4d46f97f8 |
\Users\Admin\AppData\Local\Temp\nsoB701.tmp\LangDLL.dll
| MD5 | 61f69388ae89d61a3d838cbcf81b4f82 |
| SHA1 | e595c0236a373a6ac79c334dc183ee03ca8f8ecd |
| SHA256 | d65875bb4bc121f81384d55fde90dd9eb9ad1878cd8a02bcb5c8a933c3987a61 |
| SHA512 | 21d34738cc21c1ef6b0ef1ac53659cdab224bbc20ea983f9a952a2cb4b5785a07bb18c0acf22a0d12a94795e1fc6d314f442c923bb1a93b675edac8c6aacf469 |
memory/2600-35-0x00000000041B0000-0x0000000005099000-memory.dmp
memory/2600-36-0x00000000041B0000-0x0000000005099000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-07 02:05
Reported
2024-11-07 02:07
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
147s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1804 set thread context of 3748 | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe |
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\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe
"C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe"
C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe
"C:\Users\Admin\AppData\Local\Temp\0c90b170c457fe4656140750bef8331f0f7c195bf3acb378f8ec80a6a42a7441.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3748 -ip 3748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 1228
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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| DE | 100.42.180.70:80 | iw.achulapo.ru.com | tcp |
| US | 8.8.8.8:53 | 70.180.42.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsvC758.tmp\System.dll
| MD5 | 4ca4fd3fbefa2f6e87e6e9ee87d1c0b3 |
| SHA1 | 7cdbeb5ff2b14b86af04e075d0ca651183ea5df4 |
| SHA256 | d09a8b3ade4ba4b7292c0b3da1bcb4b6c6e2012e0ccfd5e029a54af73a9e1b57 |
| SHA512 | cf0f415a97fdc74568297fed4f1295d0d2aef487a308141144ef8d5f04c669ef4795c273e745b81065429adde113fcdedf4c22717a7aeef60fdcd8d4d46f97f8 |
C:\Users\Admin\AppData\Local\Temp\nsvC758.tmp\LangDLL.dll
| MD5 | 61f69388ae89d61a3d838cbcf81b4f82 |
| SHA1 | e595c0236a373a6ac79c334dc183ee03ca8f8ecd |
| SHA256 | d65875bb4bc121f81384d55fde90dd9eb9ad1878cd8a02bcb5c8a933c3987a61 |
| SHA512 | 21d34738cc21c1ef6b0ef1ac53659cdab224bbc20ea983f9a952a2cb4b5785a07bb18c0acf22a0d12a94795e1fc6d314f442c923bb1a93b675edac8c6aacf469 |
memory/1804-29-0x0000000004A20000-0x0000000005909000-memory.dmp
memory/1804-30-0x0000000076FE1000-0x0000000077101000-memory.dmp
memory/1804-32-0x0000000073E44000-0x0000000073E45000-memory.dmp
memory/1804-31-0x0000000004A20000-0x0000000005909000-memory.dmp
memory/1804-33-0x0000000004A20000-0x0000000005909000-memory.dmp
memory/3748-34-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3748-35-0x0000000001660000-0x0000000002549000-memory.dmp
memory/3748-36-0x0000000077068000-0x0000000077069000-memory.dmp
memory/3748-37-0x0000000077085000-0x0000000077086000-memory.dmp
memory/3748-38-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3748-40-0x0000000000401000-0x0000000000404000-memory.dmp
memory/3748-39-0x0000000001660000-0x0000000002549000-memory.dmp
memory/3748-41-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3748-42-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3748-43-0x0000000076FE1000-0x0000000077101000-memory.dmp
memory/3748-44-0x0000000000401000-0x0000000000404000-memory.dmp
memory/3748-45-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3748-46-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3748-47-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3748-48-0x0000000001660000-0x0000000002549000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-07 02:05
Reported
2024-11-07 02:07
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
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\LangDLL.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-07 02:05
Reported
2024-11-07 02:07
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
136s
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 1084 wrote to memory of 544 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1084 wrote to memory of 544 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1084 wrote to memory of 544 | 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\LangDLL.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 544 -ip 544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 600
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 | 28.118.140.52.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 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-11-07 02:05
Reported
2024-11-07 02:07
Platform
win7-20240903-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 2808 -s 220