Analysis Overview
SHA256
2032acdf04511314d53f51d1fef7f9e62e69abbe3db0b31a0302a8545ab1bd82
Threat Level: Known bad
The file 2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-14 05:08
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-14 05:08
Reported
2023-02-14 05:11
Platform
win7-20221111-en
Max time kernel
139s
Max time network
152s
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\Temporary Internet Files\counters.dat | C:\Windows\SysWOW64\keyevents.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecision = "0" | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadNetworkName = "Network 2" | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionReason = "1" | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = 80f724d63a40d901 | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A} | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\2a-f5-3a-f3-4f-fc | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 80f724d63a40d901 | C:\Windows\SysWOW64\keyevents.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecision = "0" | C:\Windows\SysWOW64\keyevents.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\keyevents.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\keyevents.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\keyevents.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-retrieved-by-Word-macro.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\keyevents.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\keyevents.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe
--6dea9298
C:\Windows\SysWOW64\keyevents.exe
"C:\Windows\SysWOW64\keyevents.exe"
C:\Windows\SysWOW64\keyevents.exe
--3ea5d8e
Network
| Country | Destination | Domain | Proto |
| BO | 200.58.171.51:80 | tcp | |
| BO | 200.58.171.51:80 | tcp | |
| MX | 189.196.140.187:80 | tcp | |
| MX | 189.196.140.187:80 | tcp | |
| KR | 222.104.222.145:443 | tcp |
Files
memory/1228-54-0x0000000000000000-mapping.dmp
memory/1924-55-0x00000000001B0000-0x00000000001C1000-memory.dmp
memory/1924-56-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1228-57-0x0000000000220000-0x0000000000231000-memory.dmp
memory/1228-58-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1228-59-0x0000000075091000-0x0000000075093000-memory.dmp
memory/1228-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1188-60-0x0000000000000000-mapping.dmp
memory/1188-62-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1188-64-0x0000000000400000-0x000000000042C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-14 05:08
Reported
2023-02-14 05:11
Platform
win10v2004-20220812-en
Max time kernel
130s
Max time network
147s
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\INetCache\Content.IE5 | C:\Windows\SysWOW64\bitnis.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\bitnis.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\bitnis.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\bitnis.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\bitnis.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\bitnis.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\bitnis.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bitnis.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-retrieved-by-Word-macro.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4264 wrote to memory of 4440 | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe |
| PID 4264 wrote to memory of 4440 | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe |
| PID 4264 wrote to memory of 4440 | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe |
| PID 428 wrote to memory of 1828 | N/A | C:\Windows\SysWOW64\bitnis.exe | C:\Windows\SysWOW64\bitnis.exe |
| PID 428 wrote to memory of 1828 | N/A | C:\Windows\SysWOW64\bitnis.exe | C:\Windows\SysWOW64\bitnis.exe |
| PID 428 wrote to memory of 1828 | N/A | C:\Windows\SysWOW64\bitnis.exe | C:\Windows\SysWOW64\bitnis.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe
--6dea9298
C:\Windows\SysWOW64\bitnis.exe
"C:\Windows\SysWOW64\bitnis.exe"
C:\Windows\SysWOW64\bitnis.exe
--8c9449dd
Network
| Country | Destination | Domain | Proto |
| US | 20.44.10.122:443 | tcp | |
| BO | 200.58.171.51:80 | tcp | |
| NL | 8.238.21.126:80 | tcp | |
| NL | 8.238.21.126:80 | tcp | |
| NL | 8.238.21.126:80 | 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/4264-132-0x00000000005B0000-0x00000000005C1000-memory.dmp
memory/4440-133-0x0000000000000000-mapping.dmp
memory/4264-135-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4264-134-0x00000000005B0000-0x00000000005C1000-memory.dmp
memory/4440-136-0x0000000000400000-0x000000000042C000-memory.dmp
memory/4440-137-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1828-138-0x0000000000000000-mapping.dmp
memory/4440-139-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1828-140-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1828-141-0x0000000000400000-0x000000000042C000-memory.dmp