Analysis Overview
SHA256
412b53f3b10d66cc46c74efda60750eda34c55a5c0866253e15910909142ea34
Threat Level: Known bad
The file b9a03fb0c2c7f23a1e4ccb0d79c5053c.bin was found to be: Known bad.
Malicious Activity Summary
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Program Files directory
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-20 01:39
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
2024-11-20 01:39
Reported
2024-11-20 01:42
Platform
win7-20240708-en
Max time kernel
121s
Max time network
126s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\nomarch\gratiales.ini | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Fonts\Gullis.lnk | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
| File opened for modification | C:\Windows\Fonts\Gullis.lnk | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
| File created | C:\Windows\Fonts\Iskagerne227.lnk | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.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\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe
"C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nseF317.tmp\System.dll
| MD5 | 75ed96254fbf894e42058062b4b4f0d1 |
| SHA1 | 996503f1383b49021eb3427bc28d13b5bbd11977 |
| SHA256 | a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7 |
| SHA512 | 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4 |
C:\Windows\Fonts\Gullis.lnk
| MD5 | 5ea93714a8aea2e6f10752bedfc9920d |
| SHA1 | b13047ed7e58f80be1b681071122f30849af849f |
| SHA256 | d0714f2d884fbc7f4a0d65dc36fbb069fe1213635ff6055c097a53757bf5c12b |
| SHA512 | fff4c5b43e0c02e16869747a03232b7d35e216bc52ccc4c03b1a5fc09e5ad794dc21c979c895d36c07abbb9e8e95d8ea8bb2dd03f7beb4ebf20d3e4085d663fb |
memory/1904-20-0x0000000002D70000-0x0000000005C5A000-memory.dmp
memory/1904-21-0x0000000002D70000-0x0000000005C5A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-20 01:39
Reported
2024-11-20 01:42
Platform
win10v2004-20241007-en
Max time kernel
143s
Max time network
148s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3376 set thread context of 4804 | N/A | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\nomarch\gratiales.ini | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Fonts\Gullis.lnk | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
| File opened for modification | C:\Windows\Fonts\Gullis.lnk | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.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\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe
"C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe"
C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe
"C:\Users\Admin\AppData\Local\Temp\099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f.exe"
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 | 20.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| NL | 185.222.57.90:80 | tcp | |
| 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 | 133.130.81.91.in-addr.arpa | udp |
| NL | 185.222.57.90:80 | tcp | |
| NL | 185.222.57.90:80 | tcp | |
| NL | 185.222.57.90:80 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| NL | 185.222.57.90:80 | tcp | |
| NL | 185.222.57.90:80 | tcp | |
| NL | 185.222.57.90:80 | tcp | |
| NL | 185.222.57.90:80 | tcp | |
| NL | 185.222.57.90:80 | tcp | |
| NL | 185.222.57.90:80 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\nsa884B.tmp\System.dll
| MD5 | 75ed96254fbf894e42058062b4b4f0d1 |
| SHA1 | 996503f1383b49021eb3427bc28d13b5bbd11977 |
| SHA256 | a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7 |
| SHA512 | 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4 |
C:\Windows\Fonts\Gullis.lnk
| MD5 | ee0b9434686409392ffd83025c921ede |
| SHA1 | 903619da806ea5057ad4d4433686d48f6cc374a9 |
| SHA256 | 7acb67f2e929fbf10b6d346f36a5fc59e22744223db5443376dcd39e67db075c |
| SHA512 | 211a38c91c730c47e60e76263e74c2a54e5ef54fa1eef020bd4cd0598afe4cdca62dafa1a368cf4ec7c5e54c6561237912fd853a4e92c96d8698a12c14a4dd1b |
memory/3376-18-0x0000000002AC0000-0x00000000059AA000-memory.dmp
memory/3376-20-0x0000000077A11000-0x0000000077B31000-memory.dmp
memory/3376-19-0x0000000002AC0000-0x00000000059AA000-memory.dmp
memory/3376-21-0x0000000074704000-0x0000000074705000-memory.dmp
memory/3376-23-0x0000000002AC0000-0x00000000059AA000-memory.dmp
memory/4804-22-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4804-24-0x0000000001660000-0x000000000454A000-memory.dmp
memory/4804-25-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4804-26-0x0000000001660000-0x000000000454A000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-20 01:39
Reported
2024-11-20 01:42
Platform
win7-20241010-en
Max time kernel
121s
Max time network
124s
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 344 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-20 01:39
Reported
2024-11-20 01:42
Platform
win10v2004-20241007-en
Max time kernel
91s
Max time network
153s
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 4660 wrote to memory of 4556 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4660 wrote to memory of 4556 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4660 wrote to memory of 4556 | 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 4556 -ip 4556
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -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 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.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 | 85.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |