Analysis Overview
SHA256
48d338ba06ada3da080eeeddb8a267b1b677dc9c3670f13e333ec8c73ff1b02c
Threat Level: Known bad
The file F072-01953382-ESERMUL.exe was found to be: Known bad.
Malicious Activity Summary
Oski
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-04-07 23:00
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-07 23:00
Reported
2022-04-07 23:02
Platform
win7-20220310-en
Max time kernel
4294178s
Max time network
120s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1588 set thread context of 1884 | N/A | C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe | C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
"C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
"C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 112
Network
Files
memory/1588-54-0x0000000001000000-0x0000000001086000-memory.dmp
memory/1588-55-0x0000000000470000-0x000000000047A000-memory.dmp
memory/1588-56-0x0000000005470000-0x00000000054EA000-memory.dmp
memory/1588-57-0x0000000000CA0000-0x0000000000CD8000-memory.dmp
memory/1884-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-59-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-68-0x000000000040717B-mapping.dmp
memory/1884-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1884-70-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2000-71-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-07 23:00
Reported
2022-04-07 23:02
Platform
win10v2004-20220331-en
Max time kernel
117s
Max time network
151s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2468 set thread context of 4648 | N/A | C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe | C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
"C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
"C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4648 -ip 4648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 232
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| FI | 62.115.252.112:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 20.190.160.131:443 | tcp | |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 209.197.3.8:80 | tcp | |
| US | 20.189.173.10:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 204.79.197.203:80 | tcp | |
| US | 8.8.8.8:53 | 176.122.125.40.in-addr.arpa | udp |
Files
memory/2468-124-0x0000000000070000-0x00000000000F6000-memory.dmp
memory/2468-125-0x0000000005040000-0x00000000055E4000-memory.dmp
memory/2468-126-0x0000000004A90000-0x0000000004B22000-memory.dmp
memory/2468-127-0x0000000004BD0000-0x0000000004C6C000-memory.dmp
memory/2468-128-0x0000000004B40000-0x0000000004B4A000-memory.dmp
memory/2468-129-0x00000000071D0000-0x0000000007236000-memory.dmp
memory/4648-130-0x0000000000000000-mapping.dmp
memory/4648-131-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4648-132-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4648-133-0x0000000000400000-0x0000000000438000-memory.dmp