Analysis Overview
SHA256
9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475
Threat Level: Known bad
The file 9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Program crash
NSIS installer
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 02:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| 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: behavioral4
Detonation Overview
Submitted
2024-05-22 02:02
Reported
2024-05-22 02:05
Platform
win10v2004-20240426-en
Max time kernel
129s
Max time network
100s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1136 wrote to memory of 4132 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1136 wrote to memory of 4132 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1136 wrote to memory of 4132 | 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 416 -p 4132 -ip 4132
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 620
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 02:02
Reported
2024-05-22 02:05
Platform
win7-20240221-en
Max time kernel
150s
Max time network
146s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1772 set thread context of 2480 | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\mycelian\sempitern.ini | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
"C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"
C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
"C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 142.250.179.225:443 | drive.usercontent.google.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsj95FB.tmp\System.dll
| MD5 | b8992e497d57001ddf100f9c397fcef5 |
| SHA1 | e26ddf101a2ec5027975d2909306457c6f61cfbd |
| SHA256 | 98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b |
| SHA512 | 8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c |
memory/1772-33-0x0000000002F40000-0x0000000004908000-memory.dmp
memory/1772-34-0x0000000076D01000-0x0000000076E02000-memory.dmp
memory/1772-35-0x0000000002F40000-0x0000000004908000-memory.dmp
memory/1772-36-0x0000000076D00000-0x0000000076EA9000-memory.dmp
memory/2480-38-0x0000000076D00000-0x0000000076EA9000-memory.dmp
memory/2480-37-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2480-39-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2480-62-0x0000000000400000-0x0000000001462000-memory.dmp
memory/1772-72-0x0000000002F40000-0x0000000004908000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 02:02
Reported
2024-05-22 02:05
Platform
win10v2004-20240426-en
Max time kernel
142s
Max time network
148s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1568 set thread context of 728 | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\mycelian\sempitern.ini | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
"C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"
C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
"C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"
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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 142.250.179.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 238.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 225.179.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsr4AB7.tmp\System.dll
| MD5 | b8992e497d57001ddf100f9c397fcef5 |
| SHA1 | e26ddf101a2ec5027975d2909306457c6f61cfbd |
| SHA256 | 98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b |
| SHA512 | 8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c |
memory/1568-32-0x0000000004B40000-0x0000000006508000-memory.dmp
memory/1568-33-0x00000000779F1000-0x0000000077B11000-memory.dmp
memory/1568-34-0x0000000010004000-0x0000000010005000-memory.dmp
memory/728-35-0x0000000000400000-0x0000000001654000-memory.dmp
memory/728-36-0x0000000001660000-0x0000000003028000-memory.dmp
memory/1568-37-0x0000000004B40000-0x0000000006508000-memory.dmp
memory/728-38-0x0000000077A78000-0x0000000077A79000-memory.dmp
memory/728-39-0x0000000077A95000-0x0000000077A96000-memory.dmp
memory/728-52-0x0000000000400000-0x0000000001654000-memory.dmp
memory/728-53-0x0000000001660000-0x0000000003028000-memory.dmp
memory/728-55-0x00000000779F1000-0x0000000077B11000-memory.dmp
memory/1568-60-0x0000000004B40000-0x0000000006508000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-05-22 02:02
Reported
2024-05-22 02:05
Platform
win7-20240508-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 |
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 2128 -s 224