Analysis Overview
SHA256
e36375417c5c4bd1f40fec1e6786a793f8eeb2fc79b60d1430d2d27d300f7456
Threat Level: Known bad
The file 837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-30 07:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 07:41
Reported
2024-05-30 07:44
Platform
win7-20240221-en
Max time kernel
146s
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\memonetsh.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 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-55-12-58-29-b7\WpadDecisionTime = 2052f4dc64b2da01 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C858C43-4292-41AA-99F4-32E1CDB91BFF}\WpadDecisionTime = 00e711ff64b2da01 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-55-12-58-29-b7\WpadDecisionReason = "1" | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C858C43-4292-41AA-99F4-32E1CDB91BFF}\WpadDecisionTime = 2052f4dc64b2da01 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C858C43-4292-41AA-99F4-32E1CDB91BFF}\66-55-12-58-29-b7 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C858C43-4292-41AA-99F4-32E1CDB91BFF}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C858C43-4292-41AA-99F4-32E1CDB91BFF} | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C858C43-4292-41AA-99F4-32E1CDB91BFF}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-55-12-58-29-b7\WpadDetectedUrl | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-55-12-58-29-b7\WpadDecision = "0" | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-55-12-58-29-b7 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-55-12-58-29-b7\WpadDecisionTime = 00e711ff64b2da01 | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C858C43-4292-41AA-99F4-32E1CDB91BFF}\WpadDecision = "0" | C:\Windows\SysWOW64\memonetsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memonetsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memonetsh.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe
--44cb77cd
C:\Windows\SysWOW64\memonetsh.exe
"C:\Windows\SysWOW64\memonetsh.exe"
C:\Windows\SysWOW64\memonetsh.exe
--2613bcae
Network
| Country | Destination | Domain | Proto |
| US | 65.23.154.17:8080 | tcp | |
| US | 65.23.154.17:8080 | tcp | |
| DE | 144.76.56.36:8080 | tcp | |
| DE | 144.76.56.36:8080 | tcp | |
| DE | 78.47.106.72:8080 | tcp | |
| DE | 78.47.106.72:8080 | tcp | |
| GB | 178.79.161.166:443 | tcp | |
| GB | 178.79.161.166:443 | tcp | |
| US | 192.241.220.155:8080 | tcp | |
| US | 192.241.220.155:8080 | tcp | |
| CZ | 37.157.194.134:443 | 37.157.194.134 | tcp |
| DE | 165.227.156.155:443 | 165.227.156.155 | tcp |
| RU | 178.210.51.222:8080 | tcp |
Files
memory/2276-0-0x0000000000250000-0x0000000000265000-memory.dmp
memory/2276-5-0x0000000000240000-0x0000000000250000-memory.dmp
memory/2616-11-0x00000000003E0000-0x00000000003F5000-memory.dmp
memory/2604-16-0x00000000003B0000-0x00000000003C5000-memory.dmp
memory/2912-21-0x0000000000400000-0x000000000042A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 07:41
Reported
2024-05-30 07:44
Platform
win10v2004-20240508-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\ipmimsp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\ipmimsp.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\ipmimsp.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipmimsp.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2108 wrote to memory of 1476 | N/A | C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe |
| PID 2108 wrote to memory of 1476 | N/A | C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe |
| PID 2108 wrote to memory of 1476 | N/A | C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe |
| PID 2968 wrote to memory of 4864 | N/A | C:\Windows\SysWOW64\ipmimsp.exe | C:\Windows\SysWOW64\ipmimsp.exe |
| PID 2968 wrote to memory of 4864 | N/A | C:\Windows\SysWOW64\ipmimsp.exe | C:\Windows\SysWOW64\ipmimsp.exe |
| PID 2968 wrote to memory of 4864 | N/A | C:\Windows\SysWOW64\ipmimsp.exe | C:\Windows\SysWOW64\ipmimsp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\837830a6fa26c07a8d373ca1c2b1982b_JaffaCakes118.exe
--44cb77cd
C:\Windows\SysWOW64\ipmimsp.exe
"C:\Windows\SysWOW64\ipmimsp.exe"
C:\Windows\SysWOW64\ipmimsp.exe
--6838ae9d
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.161:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.61.62.23.in-addr.arpa | udp |
| US | 65.23.154.17:8080 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.15.31.184.in-addr.arpa | udp |
| DE | 144.76.56.36:8080 | tcp | |
| DE | 78.47.106.72:8080 | tcp | |
| GB | 178.79.161.166:443 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 192.241.220.155:8080 | tcp | |
| CZ | 37.157.194.134:443 | 37.157.194.134 | tcp |
| US | 8.8.8.8:53 | 134.194.157.37.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| DE | 165.227.156.155:443 | 165.227.156.155 | tcp |
| US | 8.8.8.8:53 | 155.156.227.165.in-addr.arpa | udp |
| RU | 178.210.51.222:8080 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| FR | 5.196.74.210:8080 | tcp | |
| EC | 186.4.172.5:8080 | tcp |
Files
memory/2108-0-0x00000000022A0000-0x00000000022B5000-memory.dmp
memory/2108-5-0x0000000002170000-0x0000000002180000-memory.dmp
memory/1476-6-0x0000000000590000-0x00000000005A5000-memory.dmp
memory/2968-12-0x0000000000C50000-0x0000000000C65000-memory.dmp
C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\01edac8cae020cd42786e051ebe37b67_6833eb7b-8d4b-4cdd-9502-9bbf7fc1cf9f
| MD5 | 5f22af36aff2e43cacf9a56ba4166900 |
| SHA1 | 914ede992f5edd5523a3a127a88f7bca60c69665 |
| SHA256 | e0671a7dbf4fca7d937ff1300471c5823a57786710faba9f85daf9e843281e3a |
| SHA512 | f7fd666c6dcdae2bf235bb2b00791cf00519579e3181e5e3fd67e70c9a4027d48335b6498f6116efa5e513b7750b0eebeb484a63555d277939923bb48d4f3bc8 |
memory/4864-18-0x0000000000F40000-0x0000000000F55000-memory.dmp
memory/1476-23-0x0000000000400000-0x000000000042A000-memory.dmp