Analysis Overview
SHA256
486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b
Threat Level: Known bad
The file 2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Modifies data under HKEY_USERS
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-15 22:41
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-15 22:41
Reported
2023-02-15 22:41
Platform
win7-20220901-en
Max time kernel
1s
Command Line
Signatures
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
--53146567
Network
Files
memory/860-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp
memory/860-56-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1776-55-0x0000000000000000-mapping.dmp
memory/1776-58-0x0000000000260000-0x0000000000271000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-15 22:41
Reported
2023-02-15 22:44
Platform
win10v2004-20220812-en
Max time kernel
133s
Max time network
153s
Command Line
Signatures
Emotet
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\langspinned.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\langspinned.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\langspinned.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\langspinned.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\langspinned.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\langspinned.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\langspinned.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langspinned.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
--53146567
C:\Windows\SysWOW64\langspinned.exe
"C:\Windows\SysWOW64\langspinned.exe"
C:\Windows\SysWOW64\langspinned.exe
--eee82ff3
Network
| Country | Destination | Domain | Proto |
| US | 20.42.65.85:443 | tcp | |
| BO | 200.58.171.51:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| NL | 95.101.78.106:80 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| MX | 189.196.140.187:80 | tcp | |
| KR | 222.104.222.145:443 | tcp | |
| MY | 115.132.227.247:443 | tcp | |
| CO | 190.85.206.228:80 | tcp |
Files
memory/884-132-0x00000000006C0000-0x00000000006D1000-memory.dmp
memory/5068-133-0x0000000000000000-mapping.dmp
memory/884-135-0x0000000000400000-0x0000000000414000-memory.dmp
memory/884-134-0x00000000006C0000-0x00000000006D1000-memory.dmp
memory/5068-136-0x0000000000400000-0x0000000000429000-memory.dmp
memory/5068-137-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4944-138-0x0000000000000000-mapping.dmp
memory/5068-139-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4944-140-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4944-141-0x0000000000400000-0x0000000000429000-memory.dmp