Analysis Overview
SHA256
5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797
Threat Level: Known bad
The file 5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797 was found to be: Known bad.
Malicious Activity Summary
DarkVNC
CryptOne packer
DarkVNC Payload
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-28 19:29
Signatures
CryptOne packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-28 19:29
Reported
2022-03-28 19:55
Platform
win7-20220311-en
Max time kernel
4294207s
Max time network
156s
Command Line
Signatures
DarkVNC
DarkVNC Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1484 set thread context of 1968 | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | C:\Windows\system32\WerFault.exe |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe
"C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
Network
| Country | Destination | Domain | Proto |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp |
Files
memory/1484-54-0x0000000075AD1000-0x0000000075AD3000-memory.dmp
memory/1484-55-0x0000000000400000-0x0000000000493000-memory.dmp
memory/1484-57-0x00000000002E0000-0x0000000000353000-memory.dmp
memory/1484-60-0x0000000000400000-0x0000000000493000-memory.dmp
memory/1484-56-0x0000000010000000-0x0000000010089000-memory.dmp
memory/1484-61-0x0000000000400000-0x0000000000493000-memory.dmp
memory/1484-62-0x0000000002750000-0x0000000002890000-memory.dmp
memory/1968-63-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-28 19:29
Reported
2022-03-28 19:55
Platform
win10v2004-en-20220113
Max time kernel
149s
Max time network
153s
Command Line
Signatures
DarkVNC
DarkVNC Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2608 set thread context of 3416 | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | C:\Windows\system32\WerFault.exe |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2608 wrote to memory of 3416 | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | C:\Windows\system32\WerFault.exe |
| PID 2608 wrote to memory of 3416 | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | C:\Windows\system32\WerFault.exe |
| PID 2608 wrote to memory of 3416 | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | C:\Windows\system32\WerFault.exe |
| PID 2608 wrote to memory of 3416 | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | C:\Windows\system32\WerFault.exe |
| PID 2608 wrote to memory of 3416 | N/A | C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe
"C:\Users\Admin\AppData\Local\Temp\5725f38e2426e2992bba27abb7c17e3618c77e3ab994b726e138280e2bd99797.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| US | 52.182.143.208:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp | |
| DE | 45.138.172.105:443 | tcp |
Files
memory/2608-130-0x0000000000400000-0x0000000000493000-memory.dmp
memory/2608-131-0x0000000002A20000-0x0000000002AA9000-memory.dmp
memory/3416-134-0x0000000000000000-mapping.dmp
memory/2608-135-0x00000000021D0000-0x0000000002243000-memory.dmp
memory/2608-136-0x0000000000400000-0x0000000000493000-memory.dmp
memory/2608-137-0x0000000000400000-0x0000000000493000-memory.dmp
memory/2608-138-0x0000000000400000-0x0000000000493000-memory.dmp
memory/2608-139-0x0000000002AC0000-0x0000000002C00000-memory.dmp