Analysis Overview
SHA256
ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb
Threat Level: Known bad
The file ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb was found to be: Known bad.
Malicious Activity Summary
MassLogger
MassLogger Main Payload
Checks computer location settings
Suspicious use of SetThreadContext
Enumerates physical storage devices
Program crash
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-26 06:22
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-26 06:22
Reported
2022-03-27 00:55
Platform
win7-20220311-en
Max time kernel
4294181s
Max time network
123s
Command Line
Signatures
MassLogger
MassLogger Main 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 |
| 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 1824 set thread context of 2008 | N/A | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe
"C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xCtDXgUtklECz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA9D.tmp"
C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe
"C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe"
C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe
"C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 624
Network
Files
memory/1824-54-0x0000000000DA0000-0x0000000000FF2000-memory.dmp
memory/1824-55-0x0000000000530000-0x000000000054C000-memory.dmp
memory/1824-56-0x00000000059E0000-0x0000000005B66000-memory.dmp
memory/1824-57-0x0000000000800000-0x000000000080A000-memory.dmp
memory/1824-58-0x0000000005CC0000-0x0000000005E0E000-memory.dmp
memory/1156-59-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpEA9D.tmp
| MD5 | 9532ddfb9326feda568ba290651b0af9 |
| SHA1 | 10f034bbb4cf055a90a29ba90f5a6e4f9d70a93a |
| SHA256 | 154e891eac48dc4c1b496dcc7c893bbea6f839ebab8c2fc687ceeab5047081a3 |
| SHA512 | f36d5d8825794f1234bb378f7a8036752030b02ebe72761a0080b081648e182bf60c3a279194a5321bcc01c08f6d4a87c7cafb0eb0a54611496db891b1ca3981 |
memory/2008-61-0x0000000000400000-0x000000000054C000-memory.dmp
memory/2008-62-0x0000000000400000-0x000000000054C000-memory.dmp
memory/2008-64-0x0000000000400000-0x000000000054C000-memory.dmp
memory/2008-65-0x0000000000400000-0x000000000054C000-memory.dmp
memory/2008-66-0x0000000000400000-0x000000000054C000-memory.dmp
memory/2008-67-0x000000000054776E-mapping.dmp
memory/2008-69-0x0000000000400000-0x000000000054C000-memory.dmp
memory/2008-71-0x0000000000400000-0x000000000054C000-memory.dmp
memory/2008-72-0x00000000752C1000-0x00000000752C3000-memory.dmp
memory/1168-73-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-26 06:22
Reported
2022-03-27 00:55
Platform
win10v2004-en-20220113
Max time kernel
142s
Max time network
155s
Command Line
Signatures
MassLogger
MassLogger Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3144 set thread context of 3252 | N/A | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe
"C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xCtDXgUtklECz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF55A.tmp"
C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe
"C:\Users\Admin\AppData\Local\Temp\ac4838da38ffb7ca95d3c7a6d4472577f8a37f575f68151db6c5aee8175bf8cb.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3252 -ip 3252
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 968
Network
| Country | Destination | Domain | Proto |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp |
Files
memory/3144-130-0x0000000000970000-0x0000000000BC2000-memory.dmp
memory/3144-131-0x0000000005560000-0x00000000055FC000-memory.dmp
memory/3144-132-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/3144-133-0x00000000056A0000-0x0000000005732000-memory.dmp
memory/3144-134-0x0000000005610000-0x000000000561A000-memory.dmp
memory/3144-135-0x0000000005830000-0x0000000005886000-memory.dmp
memory/4292-136-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF55A.tmp
| MD5 | a48645a38b4bc3c66b5be7aa2511a98d |
| SHA1 | ea74fdeb8ffaa1d72062daaac1a2e6a2e3c2a917 |
| SHA256 | d0357fb2af6b00d40a2438b0f480464bc28a01498d5f5c2e344e0edf6bef7099 |
| SHA512 | aa8bf4d5d8845c18722b6c0f47a2e4bfe06372eff92fb3fa56236fb8bd8cd220363c2f79f049a060e64faedfd91a43fcd13cc84f8bdc070b6c7b36dc75e0da52 |
memory/3252-138-0x0000000000000000-mapping.dmp
memory/3252-139-0x0000000000400000-0x000000000054C000-memory.dmp