Analysis Overview
SHA256
5638c67a0d982912e24034cf07db35b31bf90faab98f7f833dbc4417a87fe9e4
Threat Level: Known bad
The file 7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.zip was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-02 10:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-02 10:36
Reported
2024-04-02 10:40
Platform
win7-20240221-en
Max time kernel
174s
Max time network
192s
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\nopbackup.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-0d-0c-00-13-27\WpadDecision = "0" | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-0d-0c-00-13-27 | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-0d-0c-00-13-27\WpadDecisionTime = f0e9e7dee984da01 | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C} | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\WpadDecisionTime = f0e9e7dee984da01 | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\WpadDecision = "0" | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\0a-0d-0c-00-13-27 | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-0d-0c-00-13-27\WpadDecisionReason = "1" | C:\Windows\SysWOW64\nopbackup.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nopbackup.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nopbackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nopbackup.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe
"C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe"
C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe
--98a75cc4
C:\Windows\SysWOW64\nopbackup.exe
"C:\Windows\SysWOW64\nopbackup.exe"
C:\Windows\SysWOW64\nopbackup.exe
--6dd96ee7
Network
| Country | Destination | Domain | Proto |
| PA | 186.75.241.230:80 | tcp | |
| PA | 186.75.241.230:80 | tcp | |
| CO | 181.143.194.138:443 | tcp | |
| CO | 181.143.194.138:443 | tcp | |
| TR | 85.104.59.244:20 | tcp | |
| TR | 85.104.59.244:20 | tcp |
Files
memory/2504-0-0x0000000000250000-0x0000000000264000-memory.dmp
memory/2504-1-0x0000000000240000-0x000000000024F000-memory.dmp
memory/2356-6-0x0000000000240000-0x0000000000254000-memory.dmp
memory/2856-11-0x00000000006A0000-0x00000000006B4000-memory.dmp
memory/2892-16-0x00000000001D0000-0x00000000001E4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-02 10:36
Reported
2024-04-02 10:39
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
156s
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\choreplay.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\choreplay.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\choreplay.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\choreplay.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\choreplay.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\choreplay.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\choreplay.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\choreplay.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe
"C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe"
C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe
--98a75cc4
C:\Windows\SysWOW64\choreplay.exe
"C:\Windows\SysWOW64\choreplay.exe"
C:\Windows\SysWOW64\choreplay.exe
--9622e67
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| PA | 186.75.241.230:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.66.18.2.in-addr.arpa | udp |
| CO | 181.143.194.138:443 | tcp | |
| US | 8.8.8.8:53 | 218.110.86.104.in-addr.arpa | udp |
| TR | 85.104.59.244:20 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| FR | 80.11.163.139:443 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 167.71.10.37:8080 | tcp | |
| US | 104.131.44.150:8080 | tcp | |
| US | 8.8.8.8:53 | 215.143.182.52.in-addr.arpa | udp |
| RU | 185.187.198.15:80 | tcp |
Files
memory/4028-1-0x0000000000690000-0x000000000069F000-memory.dmp
memory/4028-0-0x00000000023E0000-0x00000000023F4000-memory.dmp
memory/4952-6-0x0000000002180000-0x0000000002194000-memory.dmp
memory/2260-11-0x0000000000E40000-0x0000000000E54000-memory.dmp
memory/3744-16-0x0000000000DA0000-0x0000000000DB4000-memory.dmp