Analysis Overview
SHA256
7fb0f9a2a6f1d9b75dac31e00e70c38a0bc26d2451561a0b37444244e1ddd62d
Threat Level: Known bad
The file Factura 1-000816pdf.bin.zip was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Loads dropped DLL
Checks QEMU agent file
Legitimate hosting services abused for malware hosting/C2
Checks installed software on the system
Suspicious use of SetThreadContext
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
NSIS installer
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-14 15:28
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: behavioral1
Detonation Overview
Submitted
2023-07-14 15:28
Reported
2023-07-14 15:31
Platform
win7-20230712-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Guloader,Cloudeye
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\Factura 1-000816pdf.exe | N/A |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Interlocating\Supereligibleness.Var | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2584 set thread context of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\Dicarpellary.ini | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2584 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
| PID 2584 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
| PID 2584 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
| PID 2584 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
| PID 2584 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe"
C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| NL | 172.217.168.238:443 | drive.google.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsy8AC3.tmp\System.dll
| MD5 | 6ad39193ed20078aa1b23c33a1e48859 |
| SHA1 | 95e70e4f47aa1689cc08afbdaef3ec323b5342fa |
| SHA256 | b9631423a50c666faf2cc6901c5a8d6eb2fecd306fdd2524256b7e2e37b251c2 |
| SHA512 | 78c89bb8c86f3b68e5314467eca4e8e922d143335081fa66b01d756303e1aec68ed01f4be7098dbe06a789ca32a0f31102f5ba408bc5ab28e61251611bb4f62b |
memory/2584-62-0x0000000002D50000-0x0000000006049000-memory.dmp
memory/2584-63-0x0000000002D50000-0x0000000006049000-memory.dmp
memory/2584-64-0x0000000077440000-0x00000000775E9000-memory.dmp
memory/2584-65-0x0000000077630000-0x0000000077706000-memory.dmp
memory/2584-66-0x0000000010000000-0x0000000010006000-memory.dmp
memory/2860-67-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2860-68-0x0000000001470000-0x0000000004769000-memory.dmp
memory/2860-69-0x0000000077440000-0x00000000775E9000-memory.dmp
memory/2860-70-0x0000000001470000-0x0000000004769000-memory.dmp
memory/2860-71-0x0000000000400000-0x0000000001462000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-14 15:28
Reported
2023-07-14 15:31
Platform
win10v2004-20230703-en
Max time kernel
148s
Max time network
155s
Command Line
Signatures
Guloader,Cloudeye
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\Factura 1-000816pdf.exe | N/A |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Interlocating\Supereligibleness.Var | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1608 set thread context of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\Dicarpellary.ini | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1608 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
| PID 1608 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
| PID 1608 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
| PID 1608 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe | C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe"
C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura 1-000816pdf.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.209.218.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 135.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.139.241.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| NL | 172.217.168.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | 238.168.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.112.168.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsp6CD4.tmp\System.dll
| MD5 | 6ad39193ed20078aa1b23c33a1e48859 |
| SHA1 | 95e70e4f47aa1689cc08afbdaef3ec323b5342fa |
| SHA256 | b9631423a50c666faf2cc6901c5a8d6eb2fecd306fdd2524256b7e2e37b251c2 |
| SHA512 | 78c89bb8c86f3b68e5314467eca4e8e922d143335081fa66b01d756303e1aec68ed01f4be7098dbe06a789ca32a0f31102f5ba408bc5ab28e61251611bb4f62b |
memory/1608-142-0x0000000003260000-0x0000000006559000-memory.dmp
memory/1608-143-0x0000000003260000-0x0000000006559000-memory.dmp
memory/1608-144-0x0000000077351000-0x0000000077471000-memory.dmp
memory/1608-145-0x0000000010000000-0x0000000010006000-memory.dmp
memory/3636-146-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3636-147-0x0000000001660000-0x0000000004959000-memory.dmp
memory/3636-148-0x0000000001660000-0x0000000004959000-memory.dmp
memory/3636-149-0x00000000773D8000-0x00000000773D9000-memory.dmp
memory/3636-159-0x0000000077351000-0x0000000077471000-memory.dmp
memory/3636-160-0x0000000000400000-0x0000000001654000-memory.dmp