Analysis Overview
SHA256
f9d3d7e5f436dabd31cb9401016cc61d318c45a2a6632df72c246c49783d3549
Threat Level: Known bad
The file 2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia was found to be: Known bad.
Malicious Activity Summary
GandCrab payload
Gandcrab
Detects ransomware indicator
Detects Reflective DLL injection artifacts
Gandcrab Payload
Enumerates connected drives
Adds Run key to start application
Program crash
Unsigned PE
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-24 05:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-24 05:38
Reported
2024-03-24 05:40
Platform
win7-20240221-en
Max time kernel
140s
Max time network
121s
Command Line
Signatures
GandCrab payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gandcrab
Detects Reflective DLL injection artifacts
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects ransomware indicator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gandcrab Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\nuctyacskww = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\yuqrfk.exe\"" | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | N/A |
Enumerates connected drives
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2880 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2880 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2880 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2880 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 724
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ipv4bot.whatismyipaddress.com | udp |
Files
memory/2880-2-0x0000000000640000-0x0000000000740000-memory.dmp
memory/2880-1-0x0000000000400000-0x000000000055A000-memory.dmp
memory/2880-3-0x0000000000240000-0x0000000000257000-memory.dmp
memory/2880-10-0x0000000000400000-0x000000000055A000-memory.dmp
memory/2880-11-0x0000000000640000-0x0000000000740000-memory.dmp
memory/2880-13-0x0000000000240000-0x0000000000257000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-24 05:38
Reported
2024-03-24 05:40
Platform
win10v2004-20240226-en
Max time kernel
133s
Max time network
124s
Command Line
Signatures
GandCrab payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gandcrab
Detects Reflective DLL injection artifacts
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects ransomware indicator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Gandcrab Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-24_4bcdf70fac51707bcb221d2b62277f5c_karagany_mafia.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3444 -ip 3444
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 368
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/3444-2-0x0000000000580000-0x0000000000680000-memory.dmp
memory/3444-1-0x0000000000400000-0x000000000055A000-memory.dmp
memory/3444-3-0x00000000022B0000-0x00000000022C7000-memory.dmp
memory/3444-6-0x0000000000400000-0x000000000055A000-memory.dmp