Analysis Overview
SHA256
6d7aff70a84d9237bde3b149ff04532cafb29b6f358886b5038a737af5934d1f
Threat Level: Known bad
The file 2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-13 05:23
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-13 05:23
Reported
2023-02-13 05:26
Platform
win7-20221111-en
Max time kernel
132s
Max time network
150s
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\targetsredist.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0046000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-11-61-01-ab-2e\WpadDecision = "0" | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\WpadNetworkName = "Network 2" | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\c2-11-61-01-ab-2e | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\WpadDecisionTime = c0f4a5c1733fd901 | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-11-61-01-ab-2e | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-11-61-01-ab-2e\WpadDecisionTime = c0f4a5c1733fd901 | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF} | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\WpadDecision = "0" | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-11-61-01-ab-2e\WpadDecisionReason = "1" | C:\Windows\SysWOW64\targetsredist.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\targetsredist.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-1-of-2.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-updated-after-initial-infection-1-of-2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\targetsredist.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\targetsredist.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
--a1bda328
C:\Windows\SysWOW64\targetsredist.exe
"C:\Windows\SysWOW64\targetsredist.exe"
C:\Windows\SysWOW64\targetsredist.exe
--c2c093f1
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/2040-54-0x0000000076041000-0x0000000076043000-memory.dmp
memory/1372-55-0x0000000000000000-mapping.dmp
memory/2040-56-0x00000000003B0000-0x00000000003BD000-memory.dmp
memory/2040-58-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1372-59-0x0000000000230000-0x000000000025C000-memory.dmp
memory/1372-60-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1232-61-0x00000000002E0000-0x00000000002F1000-memory.dmp
memory/468-62-0x0000000000000000-mapping.dmp
memory/1232-63-0x00000000002E0000-0x00000000002F1000-memory.dmp
memory/1372-64-0x0000000000400000-0x0000000000414000-memory.dmp
memory/468-65-0x0000000000400000-0x000000000042C000-memory.dmp
memory/468-67-0x0000000000400000-0x000000000042C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-13 05:23
Reported
2023-02-13 05:25
Platform
win10v2004-20221111-en
Max time kernel
147s
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\niswrap.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\niswrap.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\niswrap.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\niswrap.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\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\niswrap.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\niswrap.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\niswrap.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\niswrap.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-1-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-1-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
--a1bda328
C:\Windows\SysWOW64\niswrap.exe
"C:\Windows\SysWOW64\niswrap.exe"
C:\Windows\SysWOW64\niswrap.exe
--d1f60f8
Network
| Country | Destination | Domain | Proto |
| US | 67.27.153.254:80 | tcp | |
| BO | 200.58.171.51:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 67.27.153.254:80 | 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/4804-132-0x00000000005B0000-0x00000000005C1000-memory.dmp
memory/4804-133-0x0000000000400000-0x000000000042C000-memory.dmp
memory/4768-134-0x0000000000000000-mapping.dmp
memory/4804-135-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4768-136-0x0000000000400000-0x000000000042C000-memory.dmp
memory/3932-137-0x0000000000570000-0x0000000000581000-memory.dmp
memory/1076-138-0x0000000000000000-mapping.dmp
memory/4768-139-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1076-140-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1076-141-0x0000000000400000-0x000000000042C000-memory.dmp