Analysis Overview
SHA256
099369eb025c3e23b6669c872ac2572e7bc4ba9200eb4d6318284983ddb78e3f
Threat Level: Known bad
The file Purchase Order Purchase Order Purchase Order Purchase Order.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Loads dropped DLL
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-18 17:09
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
2024-11-18 17:09
Reported
2024-11-18 17:11
Platform
win7-20241010-en
Max time kernel
10s
Max time network
16s
Command Line
Signatures
Loads dropped DLL
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\Purchase Order Purchase Order Purchase Order Purchase Order.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\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
| File opened for modification | C:\Windows\Fonts\Gullis.lnk | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.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\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nsyD431.tmp\System.dll
| MD5 | 75ed96254fbf894e42058062b4b4f0d1 |
| SHA1 | 996503f1383b49021eb3427bc28d13b5bbd11977 |
| SHA256 | a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7 |
| SHA512 | 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4 |
C:\Windows\Fonts\Gullis.lnk
| MD5 | 8f5e97bec31ba620de606572477e4fe4 |
| SHA1 | 6bf85b18bae07ea01b7e86d920e7a79934f25dc9 |
| SHA256 | ae283a49666fda34720d04864335014f48053b67b9e6eb39b7907a865db3ac10 |
| SHA512 | 352600d4e86338bfc06bb53d4b772b4a240f82c00fe3e2ad9063560165b8164de0c8a218fed8b740342f93c6e342d133ede6e20f435f8663f870f39bf3020e1d |
memory/576-20-0x0000000002DE0000-0x0000000005CCA000-memory.dmp
memory/576-25-0x0000000002DE0000-0x0000000005CCA000-memory.dmp
memory/576-20-0x0000000002DE0000-0x0000000005CCA000-memory.dmp
memory/576-25-0x0000000002DE0000-0x0000000005CCA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-18 17:09
Reported
2024-11-18 17:11
Platform
win10v2004-20241007-en
Max time kernel
91s
Max time network
141s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5032 set thread context of 784 | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.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\Purchase Order Purchase Order Purchase Order Purchase Order.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\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
| File opened for modification | C:\Windows\Fonts\Gullis.lnk | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.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\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe"
C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Purchase Order Purchase Order Purchase Order.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| NL | 185.222.57.90:80 | 185.222.57.90 | tcp |
| US | 8.8.8.8:53 | 90.57.222.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsaC5A3.tmp\System.dll
| MD5 | 75ed96254fbf894e42058062b4b4f0d1 |
| SHA1 | 996503f1383b49021eb3427bc28d13b5bbd11977 |
| SHA256 | a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7 |
| SHA512 | 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4 |
C:\Windows\Fonts\Gullis.lnk
| MD5 | 35651cf97ce055ea65e0ec1a8711413d |
| SHA1 | 5c34f2c941bb9b6643592a24de506e137ebc9d4f |
| SHA256 | 0efe40e0afa03c6f27ad41a7e9ef65e1f2427bb00bbeeba1b102155c860ca266 |
| SHA512 | 76345a08660220396c59eaeb97a8d2c2f589aa9ccfeff31bde45f2e9f1b0e15018f7183e9c9eb3b8ba5a682bb2cd59f6a5ec3e38374bf85a4c68cfbc208f07e4 |
memory/5032-18-0x0000000002A80000-0x000000000596A000-memory.dmp
memory/5032-20-0x0000000076FE1000-0x0000000077101000-memory.dmp
memory/5032-19-0x0000000002A80000-0x000000000596A000-memory.dmp
memory/5032-21-0x0000000073CD4000-0x0000000073CD5000-memory.dmp
memory/5032-23-0x0000000002A80000-0x000000000596A000-memory.dmp
memory/784-22-0x0000000000400000-0x0000000001654000-memory.dmp
memory/784-24-0x0000000001660000-0x000000000454A000-memory.dmp
memory/784-25-0x0000000001660000-0x000000000454A000-memory.dmp
memory/784-26-0x0000000000400000-0x0000000001654000-memory.dmp
memory/784-27-0x0000000000400000-0x0000000001654000-memory.dmp
memory/784-28-0x0000000000400000-0x0000000001654000-memory.dmp
memory/784-29-0x0000000000400000-0x0000000001654000-memory.dmp
memory/784-32-0x0000000000400000-0x0000000001654000-memory.dmp
memory/784-33-0x0000000001660000-0x000000000454A000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-18 17:09
Reported
2024-11-18 17:11
Platform
win7-20240903-en
Max time kernel
121s
Max time network
122s
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 2708 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-18 17:09
Reported
2024-11-18 17:11
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
140s
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 1724 wrote to memory of 4820 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1724 wrote to memory of 4820 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1724 wrote to memory of 4820 | 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 468 -p 4820 -ip 4820
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |