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
Modifies data under HKEY_USERS
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-13 03:49
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-13 03:49
Reported
2023-02-13 03:50
Platform
win7-20220812-en
Max time kernel
43s
Max time network
47s
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\cyclebears.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\Wpad\be-57-01-2d-d2-7c\WpadDecisionTime = c017baa6663fd901 | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-57-01-2d-d2-7c\WpadDecision = "0" | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-57-01-2d-d2-7c\WpadDecisionReason = "1" | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D41B703F-9B6D-4ECC-8E25-AAEF2BE6AC94}\WpadDecisionTime = c017baa6663fd901 | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D41B703F-9B6D-4ECC-8E25-AAEF2BE6AC94}\WpadNetworkName = "Network 2" | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-57-01-2d-d2-7c | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D41B703F-9B6D-4ECC-8E25-AAEF2BE6AC94} | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D41B703F-9B6D-4ECC-8E25-AAEF2BE6AC94}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D41B703F-9B6D-4ECC-8E25-AAEF2BE6AC94}\WpadDecision = "0" | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\cyclebears.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D41B703F-9B6D-4ECC-8E25-AAEF2BE6AC94}\be-57-01-2d-d2-7c | C:\Windows\SysWOW64\cyclebears.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache | C:\Windows\system32\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cyclebears.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\cyclebears.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cyclebears.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\cyclebears.exe
"C:\Windows\SysWOW64\cyclebears.exe"
C:\Windows\SysWOW64\cyclebears.exe
--b8165e2b
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\SendUpdate.vdw
Network
| Country | Destination | Domain | Proto |
| BO | 200.58.171.51:80 | tcp |
Files
memory/1676-54-0x0000000000000000-mapping.dmp
memory/1948-55-0x0000000000220000-0x0000000000231000-memory.dmp
memory/1948-56-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1676-57-0x00000000003A0000-0x00000000003B1000-memory.dmp
memory/1676-58-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1676-59-0x00000000764D1000-0x00000000764D3000-memory.dmp
memory/1384-60-0x0000000000000000-mapping.dmp
memory/1676-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1384-62-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1384-64-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1652-65-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-13 03:49
Reported
2023-02-13 03:52
Platform
win10v2004-20220812-en
Max time kernel
131s
Max time network
149s
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\titleunpack.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\titleunpack.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\titleunpack.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\titleunpack.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\titleunpack.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 4656 wrote to memory of 1076 | 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 4656 wrote to memory of 1076 | 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 4656 wrote to memory of 1076 | 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 2816 wrote to memory of 1904 | N/A | C:\Windows\SysWOW64\titleunpack.exe | C:\Windows\SysWOW64\titleunpack.exe |
| PID 2816 wrote to memory of 1904 | N/A | C:\Windows\SysWOW64\titleunpack.exe | C:\Windows\SysWOW64\titleunpack.exe |
| PID 2816 wrote to memory of 1904 | N/A | C:\Windows\SysWOW64\titleunpack.exe | C:\Windows\SysWOW64\titleunpack.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\titleunpack.exe
"C:\Windows\SysWOW64\titleunpack.exe"
C:\Windows\SysWOW64\titleunpack.exe
--24cb9b60
Network
| Country | Destination | Domain | Proto |
| IE | 20.54.89.106:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 52.242.97.97:443 | tcp | |
| BO | 200.58.171.51:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 52.168.117.170:443 | tcp | |
| US | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
| MX | 189.196.140.187:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| KR | 222.104.222.145:443 | tcp | |
| MY | 115.132.227.247:443 | tcp | |
| CO | 190.85.206.228:80 | tcp |
Files
memory/4656-132-0x00000000004F0000-0x0000000000501000-memory.dmp
memory/1076-133-0x0000000000000000-mapping.dmp
memory/4656-135-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4656-134-0x00000000004F0000-0x0000000000501000-memory.dmp
memory/1076-136-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1904-137-0x0000000000000000-mapping.dmp
memory/1076-138-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1904-139-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1904-140-0x0000000000400000-0x000000000042C000-memory.dmp