Analysis Overview
SHA256
6db833ede0af9d00bf80c1fe134e947b1ec44bff55713251669021af1d8dac20
Threat Level: Known bad
The file 2456675bfe2e68d6149c840b1d11dd61.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Formbook
Formbook payload
Checks QEMU agent file
Loads dropped DLL
Checks installed software on the system
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Drops file in Program Files directory
Drops file in Windows 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
2023-07-14 07:16
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
2023-07-14 07:16
Reported
2023-07-14 07:18
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\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.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\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2596 set thread context of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.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\2456675bfe2e68d6149c840b1d11dd61.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\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\Hovedgaarde.For | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2596 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
| PID 2596 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
| PID 2596 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
| PID 2596 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
| PID 2596 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe
"C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe"
C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe
"C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe"
Network
| Country | Destination | Domain | Proto |
| US | 192.3.243.148:80 | 192.3.243.148 | tcp |
Files
\Users\Admin\AppData\Local\Temp\nso72C1.tmp\System.dll
| MD5 | 375e8a08471dc6f85f3828488b1147b3 |
| SHA1 | 1941484ac710fc301a7d31d6f1345e32a21546af |
| SHA256 | 4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78 |
| SHA512 | 5ba29db13723ddf27b265a4548606274b850d076ae1f050c64044f8ccd020585ad766c85c3e20003a22f356875f76fb3679c89547b0962580d8e5a42b082b9a8 |
memory/2596-63-0x0000000077C60000-0x0000000077E09000-memory.dmp
memory/2596-64-0x0000000077E50000-0x0000000077F26000-memory.dmp
memory/2596-65-0x0000000010000000-0x0000000010006000-memory.dmp
memory/2860-66-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2860-67-0x0000000077C60000-0x0000000077E09000-memory.dmp
memory/2860-68-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2860-69-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2860-70-0x0000000001470000-0x0000000006815000-memory.dmp
memory/2860-71-0x0000000036B30000-0x0000000036E33000-memory.dmp
memory/2860-72-0x0000000001470000-0x0000000006815000-memory.dmp
memory/2860-73-0x0000000077C60000-0x0000000077E09000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-14 07:16
Reported
2023-07-14 07:18
Platform
win10v2004-20230703-en
Max time kernel
150s
Max time network
141s
Command Line
Signatures
Formbook
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\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.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\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3300 set thread context of 1224 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.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\2456675bfe2e68d6149c840b1d11dd61.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\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
| File opened for modification | C:\Windows\resources\0409\Hovedgaarde.For | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3300 wrote to memory of 1224 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
| PID 3300 wrote to memory of 1224 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
| PID 3300 wrote to memory of 1224 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
| PID 3300 wrote to memory of 1224 | N/A | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe | C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe
"C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe"
C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe
"C:\Users\Admin\AppData\Local\Temp\2456675bfe2e68d6149c840b1d11dd61.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 192.3.243.148:80 | 192.3.243.148 | tcp |
| US | 8.8.8.8:53 | 148.243.3.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.193.132.51.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsf12D8.tmp\System.dll
| MD5 | 375e8a08471dc6f85f3828488b1147b3 |
| SHA1 | 1941484ac710fc301a7d31d6f1345e32a21546af |
| SHA256 | 4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78 |
| SHA512 | 5ba29db13723ddf27b265a4548606274b850d076ae1f050c64044f8ccd020585ad766c85c3e20003a22f356875f76fb3679c89547b0962580d8e5a42b082b9a8 |
memory/3300-141-0x0000000077E01000-0x0000000077F21000-memory.dmp
memory/3300-142-0x0000000010000000-0x0000000010006000-memory.dmp
memory/1224-143-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1224-144-0x0000000077E01000-0x0000000077F21000-memory.dmp
memory/1224-145-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1224-146-0x0000000077E88000-0x0000000077E89000-memory.dmp
memory/1224-147-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1224-148-0x0000000001660000-0x0000000006A05000-memory.dmp
memory/1224-149-0x0000000036E80000-0x00000000371CA000-memory.dmp
memory/1224-150-0x0000000001660000-0x0000000006A05000-memory.dmp
memory/1224-152-0x0000000077E01000-0x0000000077F21000-memory.dmp