Analysis Overview
SHA256
a79ab2fcbf81f4b4dd999281fbc4294fe51e990f98f8529ca517ee8bcd9d6c43
Threat Level: Known bad
The file a79ab2fcbf81f4b4dd999281fbc4294fe51e990f98f8529ca517ee8bcd9d6c43 was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Agenttesla family
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Looks up external IP address via web service
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-19 01:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral5
Detonation Overview
Submitted
2024-12-19 01:10
Reported
2024-12-19 01:13
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\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 1804 -s 220
Network
Files
Analysis: behavioral6
Detonation Overview
Submitted
2024-12-19 01:10
Reported
2024-12-19 01:13
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
96s
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 4316 wrote to memory of 1344 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4316 wrote to memory of 1344 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4316 wrote to memory of 1344 | 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 1344 -ip 1344
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 612
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 | 182.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-19 01:10
Reported
2024-12-19 01:13
Platform
win7-20240903-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\locale\Indviklingerne.ini | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| File opened for modification | C:\Windows\resources\havarierne\firmamrke.kna | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\tripennate\Funktionrgruppes19.has | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
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\PO 0309494059506060609696007.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\PO 0309494059506060609696007.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1808 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1808 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1808 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1808 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe
"C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 28
Network
Files
\Users\Admin\AppData\Local\Temp\nsj7F6E.tmp\System.dll
| MD5 | 0d7ad4f45dc6f5aa87f606d0331c6901 |
| SHA1 | 48df0911f0484cbe2a8cdd5362140b63c41ee457 |
| SHA256 | 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca |
| SHA512 | c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9 |
\Users\Admin\AppData\Local\Temp\nsj7F6E.tmp\LangDLL.dll
| MD5 | ab1db56369412fe8476fefffd11e4cc0 |
| SHA1 | daad036a83b2ee2fa86d840a34a341100552e723 |
| SHA256 | 6f14c8f01f50a30743dac68c5ac813451463dfb427eb4e35fcdfe2410e1a913b |
| SHA512 | 8d886643b4fc24adf78f76b663227d6e61863f89e0cbd49548f40dd040666ca94ea46bec9e336850e4f300995d56e6dc85b689c8e09ff46758822d280f06b03d |
memory/1808-34-0x0000000003560000-0x00000000048DF000-memory.dmp
memory/1808-35-0x0000000003560000-0x00000000048DF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-19 01:10
Reported
2024-12-19 01:13
Platform
win10v2004-20241007-en
Max time kernel
141s
Max time network
151s
Command Line
Signatures
AgentTesla
Agenttesla family
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3840 set thread context of 1088 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\locale\Indviklingerne.ini | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| File opened for modification | C:\Windows\resources\havarierne\firmamrke.kna | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\tripennate\Funktionrgruppes19.has | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.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\PO 0309494059506060609696007.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3840 wrote to memory of 1088 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe |
| PID 3840 wrote to memory of 1088 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe |
| PID 3840 wrote to memory of 1088 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe |
| PID 3840 wrote to memory of 1088 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe |
| PID 3840 wrote to memory of 1088 | N/A | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe | C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe
"C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe"
C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe
"C:\Users\Admin\AppData\Local\Temp\PO 0309494059506060609696007.exe"
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 | 83.210.23.2.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 |
| NL | 84.38.133.48:80 | 84.38.133.48 | tcp |
| US | 8.8.8.8:53 | 48.133.38.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 172.67.74.152:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | 152.74.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.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 |
Files
C:\Users\Admin\AppData\Local\Temp\nswA317.tmp\System.dll
| MD5 | 0d7ad4f45dc6f5aa87f606d0331c6901 |
| SHA1 | 48df0911f0484cbe2a8cdd5362140b63c41ee457 |
| SHA256 | 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca |
| SHA512 | c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9 |
C:\Users\Admin\AppData\Local\Temp\nswA317.tmp\LangDLL.dll
| MD5 | ab1db56369412fe8476fefffd11e4cc0 |
| SHA1 | daad036a83b2ee2fa86d840a34a341100552e723 |
| SHA256 | 6f14c8f01f50a30743dac68c5ac813451463dfb427eb4e35fcdfe2410e1a913b |
| SHA512 | 8d886643b4fc24adf78f76b663227d6e61863f89e0cbd49548f40dd040666ca94ea46bec9e336850e4f300995d56e6dc85b689c8e09ff46758822d280f06b03d |
memory/3840-28-0x0000000004210000-0x000000000558F000-memory.dmp
memory/3840-29-0x0000000077861000-0x0000000077981000-memory.dmp
memory/3840-30-0x0000000004210000-0x000000000558F000-memory.dmp
memory/1088-31-0x00000000016E0000-0x0000000002A5F000-memory.dmp
memory/1088-32-0x00000000778E8000-0x00000000778E9000-memory.dmp
memory/1088-33-0x0000000077905000-0x0000000077906000-memory.dmp
memory/1088-34-0x00000000016E0000-0x0000000002A5F000-memory.dmp
memory/1088-35-0x0000000000480000-0x00000000016D4000-memory.dmp
memory/1088-36-0x0000000000480000-0x00000000004C2000-memory.dmp
memory/1088-37-0x00000000353D0000-0x0000000035974000-memory.dmp
memory/1088-38-0x0000000035AF0000-0x0000000035B56000-memory.dmp
memory/1088-40-0x0000000077861000-0x0000000077981000-memory.dmp
memory/1088-42-0x00000000363F0000-0x0000000036440000-memory.dmp
memory/1088-43-0x0000000036440000-0x00000000364D2000-memory.dmp
memory/1088-44-0x0000000036510000-0x000000003651A000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-19 01:10
Reported
2024-12-19 01:13
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\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 3016 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-12-19 01:10
Reported
2024-12-19 01:13
Platform
win10v2004-20241007-en
Max time kernel
96s
Max time network
141s
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 2032 wrote to memory of 4752 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2032 wrote to memory of 4752 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2032 wrote to memory of 4752 | 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 4752 -ip 4752
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -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 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 220.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |