Analysis Overview
SHA256
0cffea5daeb941cc6235f4de2fe2ba348ff08742d196ffc68bc8d7f1109596fd
Threat Level: Known bad
The file 5cad52271422b36941487ad44a7ade44.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Formbook
Formbook payload
Loads dropped DLL
Checks QEMU agent file
Checks installed software on the system
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
NSIS installer
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-16 08:21
Signatures
NSIS installer
| 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
2023-07-16 08:21
Reported
2023-07-16 08:23
Platform
win7-20230712-en
Max time kernel
149s
Max time network
124s
Command Line
Signatures
Formbook
Guloader,Cloudeye
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks QEMU agent file
| Description | Indicator | Process | Target |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Checks installed software on the system
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1312 set thread context of 2948 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\sansningerne.Unc | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\0409\Katje\falsebenet\Bike\Angivende.ini | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\Hovedgaarde.For | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1312 wrote to memory of 2948 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
| PID 1312 wrote to memory of 2948 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
| PID 1312 wrote to memory of 2948 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
| PID 1312 wrote to memory of 2948 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
| PID 1312 wrote to memory of 2948 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe
"C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe"
C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe
"C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe"
Network
| Country | Destination | Domain | Proto |
| US | 198.23.156.248:80 | 198.23.156.248 | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsy8019.tmp\System.dll
| MD5 | 375e8a08471dc6f85f3828488b1147b3 |
| SHA1 | 1941484ac710fc301a7d31d6f1345e32a21546af |
| SHA256 | 4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78 |
| SHA512 | 5ba29db13723ddf27b265a4548606274b850d076ae1f050c64044f8ccd020585ad766c85c3e20003a22f356875f76fb3679c89547b0962580d8e5a42b082b9a8 |
memory/1312-63-0x0000000076D50000-0x0000000076EF9000-memory.dmp
memory/1312-64-0x0000000076F40000-0x0000000077016000-memory.dmp
memory/1312-65-0x0000000010000000-0x0000000010006000-memory.dmp
memory/2948-66-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2948-67-0x0000000076D50000-0x0000000076EF9000-memory.dmp
memory/2948-68-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2948-70-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2948-71-0x0000000001470000-0x0000000006139000-memory.dmp
memory/2948-73-0x0000000036460000-0x0000000036763000-memory.dmp
memory/2948-72-0x0000000001470000-0x0000000006139000-memory.dmp
memory/2948-74-0x0000000076D50000-0x0000000076EF9000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-16 08:21
Reported
2023-07-16 08:23
Platform
win10v2004-20230703-en
Max time kernel
145s
Max time network
144s
Command Line
Signatures
Formbook
Guloader,Cloudeye
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks QEMU agent file
| Description | Indicator | Process | Target |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Checks installed software on the system
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3796 set thread context of 3664 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\sansningerne.Unc | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\0409\Katje\falsebenet\Bike\Angivende.ini | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\Hovedgaarde.For | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3796 wrote to memory of 3664 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
| PID 3796 wrote to memory of 3664 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
| PID 3796 wrote to memory of 3664 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
| PID 3796 wrote to memory of 3664 | N/A | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe | C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe
"C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe"
C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe
"C:\Users\Admin\AppData\Local\Temp\5cad52271422b36941487ad44a7ade44.exe"
Network
| Country | Destination | Domain | Proto |
| 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 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 198.23.156.248:80 | 198.23.156.248 | tcp |
| US | 8.8.8.8:53 | 248.156.23.198.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.240.110.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.73.50.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsgB055.tmp\System.dll
| MD5 | 375e8a08471dc6f85f3828488b1147b3 |
| SHA1 | 1941484ac710fc301a7d31d6f1345e32a21546af |
| SHA256 | 4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78 |
| SHA512 | 5ba29db13723ddf27b265a4548606274b850d076ae1f050c64044f8ccd020585ad766c85c3e20003a22f356875f76fb3679c89547b0962580d8e5a42b082b9a8 |
memory/3796-141-0x0000000077971000-0x0000000077A91000-memory.dmp
memory/3796-142-0x0000000077971000-0x0000000077A91000-memory.dmp
memory/3796-143-0x0000000010000000-0x0000000010006000-memory.dmp
memory/3664-144-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3664-145-0x00000000779F8000-0x00000000779F9000-memory.dmp
memory/3664-146-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3664-147-0x0000000001660000-0x0000000006329000-memory.dmp
memory/3664-149-0x00000000367B0000-0x0000000036AFA000-memory.dmp
memory/3664-150-0x0000000001660000-0x0000000006329000-memory.dmp
memory/3664-151-0x0000000077971000-0x0000000077A91000-memory.dmp