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 behavior: RenamesItself
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-15 16:42
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-15 16:42
Reported
2023-02-15 16:42
Platform
win7-20221111-en
Max time kernel
1s
Command Line
Signatures
Emotet
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 |
| 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/1992-54-0x00000000763A1000-0x00000000763A3000-memory.dmp
memory/2032-55-0x0000000000000000-mapping.dmp
memory/1992-56-0x0000000000230000-0x000000000023D000-memory.dmp
memory/1992-58-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2032-59-0x00000000005C0000-0x00000000005D1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-15 16:42
Reported
2023-02-15 16:45
Platform
win10v2004-20220812-en
Max time kernel
134s
Max time network
150s
Command Line
Signatures
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\randomboxes.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\randomboxes.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\randomboxes.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomboxes.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\randomboxes.exe
"C:\Windows\SysWOW64\randomboxes.exe"
C:\Windows\SysWOW64\randomboxes.exe
--33c067cc
Network
| Country | Destination | Domain | Proto |
| NL | 8.238.20.126:80 | tcp | |
| US | 8.247.210.126:80 | tcp | |
| BO | 200.58.171.51:80 | tcp | |
| US | 20.42.65.84:443 | 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 | |
| US | 93.184.220.29:80 | tcp |
Files
memory/444-132-0x0000000000680000-0x0000000000691000-memory.dmp
memory/1800-133-0x0000000000000000-mapping.dmp
memory/444-134-0x0000000000680000-0x0000000000691000-memory.dmp
memory/444-135-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1800-136-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4992-137-0x0000000000000000-mapping.dmp
memory/1800-138-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4992-139-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4992-140-0x0000000000400000-0x0000000000429000-memory.dmp