Analysis Overview
SHA256
bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424
Threat Level: Known bad
The file bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424 was found to be: Known bad.
Malicious Activity Summary
OnlyLogger
OnlyLogger Payload
Checks computer location settings
Deletes itself
Program crash
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-08 06:21
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-08 06:21
Reported
2022-05-08 08:35
Platform
win7-20220414-en
Max time kernel
101s
Max time network
126s
Command Line
Signatures
OnlyLogger
OnlyLogger Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe
"C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gc-partners.in | udp |
Files
memory/940-54-0x00000000750C1000-0x00000000750C3000-memory.dmp
memory/940-56-0x00000000001B0000-0x00000000001F6000-memory.dmp
memory/940-55-0x00000000002EB000-0x0000000000313000-memory.dmp
memory/940-57-0x0000000000400000-0x00000000007FF000-memory.dmp
memory/1836-58-0x0000000000000000-mapping.dmp
memory/1796-59-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-08 06:21
Reported
2022-05-08 08:33
Platform
win10v2004-20220414-en
Max time kernel
152s
Max time network
182s
Command Line
Signatures
OnlyLogger
OnlyLogger Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe | N/A |
Enumerates physical storage devices
Program crash
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1492 wrote to memory of 4344 | N/A | C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1492 wrote to memory of 4344 | N/A | C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1492 wrote to memory of 4344 | N/A | C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4344 wrote to memory of 1080 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4344 wrote to memory of 1080 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4344 wrote to memory of 1080 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe
"C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1492 -ip 1492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 612
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1492 -ip 1492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 652
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1492 -ip 1492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1492 -ip 1492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 636
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1492 -ip 1492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 744
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1492 -ip 1492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 1184
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1492 -ip 1492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 1236
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1492 -ip 1492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 1260
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "bc71bc7f6ce5a6d4502c997d27bf5382221dc736a59cb00c65f68cd0981ad424.exe" /f
Network
| Country | Destination | Domain | Proto |
| NL | 20.190.160.69:443 | tcp | |
| NL | 20.190.160.69:443 | tcp | |
| NL | 20.190.160.69:443 | tcp | |
| BE | 67.27.154.126:80 | tcp | |
| US | 20.42.65.89:443 | tcp | |
| NL | 20.190.160.134:443 | tcp | |
| NL | 20.190.160.134:443 | tcp | |
| NL | 20.190.160.134:443 | tcp | |
| BE | 67.27.154.126:80 | tcp | |
| BE | 67.27.154.126:80 | tcp | |
| BE | 67.27.154.126:80 | tcp | |
| US | 8.8.8.8:53 | gc-partners.in | udp |
| NL | 20.190.160.73:443 | tcp | |
| NL | 20.190.160.73:443 | tcp | |
| NL | 20.190.160.73:443 | tcp | |
| NL | 20.190.160.129:443 | tcp | |
| NL | 20.190.160.129:443 | tcp | |
| NL | 20.190.160.129:443 | tcp | |
| NL | 20.190.160.4:443 | tcp | |
| NL | 20.190.160.4:443 | tcp | |
| NL | 20.190.160.4:443 | tcp | |
| NL | 20.190.160.67:443 | tcp | |
| NL | 20.190.160.67:443 | tcp | |
| NL | 20.190.160.67:443 | tcp |
Files
memory/1492-130-0x0000000000B18000-0x0000000000B40000-memory.dmp
memory/1492-131-0x0000000000AA0000-0x0000000000AE6000-memory.dmp
memory/1492-132-0x0000000000400000-0x00000000007FF000-memory.dmp
memory/4344-133-0x0000000000000000-mapping.dmp
memory/1080-134-0x0000000000000000-mapping.dmp