Analysis Overview
SHA256
f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b
Threat Level: Known bad
The file f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
AgentTesla
Agenttesla family
Guloader family
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
Loads dropped DLL
Looks up external IP address via web service
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-05 04:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-05 04:35
Reported
2024-11-05 04:38
Platform
win7-20241010-en
Max time kernel
148s
Max time network
140s
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\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.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
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 |
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\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2756 set thread context of 876 | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\brisantgranatens\baegersvamp.For | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\Azonic255\lithoclase.ini | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.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\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe
"C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe"
C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe
"C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.206:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.187.227:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 172.217.16.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.12.205:443 | api.ipify.org | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsy48F4.tmp\System.dll
| MD5 | d6f54d2cefdf58836805796f55bfc846 |
| SHA1 | b980addc1a755b968dd5799179d3b4f1c2de9d2d |
| SHA256 | f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9 |
| SHA512 | ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db |
memory/2756-16-0x0000000003B00000-0x0000000005536000-memory.dmp
memory/2756-17-0x0000000077C81000-0x0000000077D82000-memory.dmp
memory/2756-18-0x0000000077C80000-0x0000000077E29000-memory.dmp
memory/2756-19-0x0000000003B00000-0x0000000005536000-memory.dmp
memory/2756-21-0x0000000003B00000-0x0000000005536000-memory.dmp
memory/876-20-0x0000000077C80000-0x0000000077E29000-memory.dmp
memory/876-23-0x0000000077C80000-0x0000000077E29000-memory.dmp
memory/876-22-0x0000000000820000-0x0000000001882000-memory.dmp
memory/876-45-0x0000000000820000-0x0000000001882000-memory.dmp
memory/876-46-0x0000000000820000-0x0000000000860000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-05 04:35
Reported
2024-11-05 04:38
Platform
win10v2004-20241007-en
Max time kernel
141s
Max time network
140s
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\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.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
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 |
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\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3116 set thread context of 1772 | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\brisantgranatens\baegersvamp.For | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\Azonic255\lithoclase.ini | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.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\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe
"C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe"
C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.exe
"C:\Users\Admin\AppData\Local\Temp\f849a928785cb16a719369fbe98c9246bc84d634f3547467a3223fa148a6b09b.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.206:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.187.227:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | 206.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 172.217.16.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 225.16.217.172.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 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsa6EE8.tmp\System.dll
| MD5 | d6f54d2cefdf58836805796f55bfc846 |
| SHA1 | b980addc1a755b968dd5799179d3b4f1c2de9d2d |
| SHA256 | f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9 |
| SHA512 | ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db |
memory/3116-15-0x0000000004F90000-0x00000000069C6000-memory.dmp
memory/3116-16-0x0000000077731000-0x0000000077851000-memory.dmp
memory/3116-17-0x0000000074385000-0x0000000074386000-memory.dmp
memory/3116-18-0x0000000004F90000-0x00000000069C6000-memory.dmp
memory/3116-19-0x0000000004F90000-0x00000000069C6000-memory.dmp
memory/1772-20-0x0000000001A80000-0x00000000034B6000-memory.dmp
memory/1772-33-0x0000000000820000-0x0000000001A74000-memory.dmp
memory/1772-34-0x0000000000820000-0x0000000000860000-memory.dmp
memory/1772-35-0x0000000036290000-0x0000000036834000-memory.dmp
memory/1772-36-0x0000000033C00000-0x0000000033C66000-memory.dmp
memory/1772-38-0x0000000001A80000-0x00000000034B6000-memory.dmp
memory/1772-39-0x0000000036DC0000-0x0000000036E10000-memory.dmp
memory/1772-40-0x0000000036E10000-0x0000000036EA2000-memory.dmp
memory/1772-41-0x0000000037070000-0x000000003707A000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-05 04:35
Reported
2024-11-05 04:38
Platform
win7-20240903-en
Max time kernel
120s
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 2512 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-05 04:35
Reported
2024-11-05 04:38
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
139s
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 2092 wrote to memory of 4932 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2092 wrote to memory of 4932 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2092 wrote to memory of 4932 | 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 4932 -ip 4932
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.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 | 104.219.191.52.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 | 10.161.213.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |