Analysis Overview
SHA256
c783c92b42ced4137905d7c65180c9de8732fc48a2923036aad4f704f9630d26
Threat Level: Known bad
The file b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-17 06:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-17 06:44
Reported
2024-06-17 06:47
Platform
win7-20231129-en
Max time kernel
132s
Max time network
142s
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\memopdf.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\memopdf.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-d9-22-a3-59-52\WpadDecisionTime = 70080fe681c0da01 | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-d9-22-a3-59-52 | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\WpadDecision = "0" | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\96-d9-22-a3-59-52 | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-d9-22-a3-59-52\WpadDecisionReason = "1" | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1} | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\WpadDecisionTime = 70080fe681c0da01 | C:\Windows\SysWOW64\memopdf.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-d9-22-a3-59-52\WpadDecision = "0" | C:\Windows\SysWOW64\memopdf.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\memopdf.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memopdf.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memopdf.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memopdf.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\memopdf.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe
--50a68a18
C:\Windows\SysWOW64\memopdf.exe
"C:\Windows\SysWOW64\memopdf.exe"
C:\Windows\SysWOW64\memopdf.exe
--c4f7192e
Network
| Country | Destination | Domain | Proto |
| FR | 149.202.197.94:8080 | tcp | |
| FR | 149.202.197.94:8080 | tcp | |
| JP | 139.162.75.91:8080 | tcp | |
| JP | 139.162.75.91:8080 | tcp | |
| FR | 37.187.2.199:443 | 37.187.2.199 | tcp |
| DE | 165.227.156.155:443 | 165.227.156.155 | tcp |
| ES | 90.77.228.193:8090 | tcp |
Files
memory/944-0-0x00000000003E0000-0x00000000003F5000-memory.dmp
memory/944-5-0x0000000000250000-0x0000000000260000-memory.dmp
memory/2088-6-0x0000000000230000-0x0000000000245000-memory.dmp
memory/2068-11-0x00000000002A0000-0x00000000002B5000-memory.dmp
memory/2088-16-0x0000000000400000-0x000000000044D000-memory.dmp
memory/2632-17-0x0000000000310000-0x0000000000325000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-17 06:44
Reported
2024-06-17 06:47
Platform
win10v2004-20240611-en
Max time kernel
138s
Max time network
148s
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\wrapwsa.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\wrapwsa.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\wrapwsa.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wrapwsa.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4252 wrote to memory of 4104 | N/A | C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe |
| PID 4252 wrote to memory of 4104 | N/A | C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe |
| PID 4252 wrote to memory of 4104 | N/A | C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe |
| PID 3728 wrote to memory of 1560 | N/A | C:\Windows\SysWOW64\wrapwsa.exe | C:\Windows\SysWOW64\wrapwsa.exe |
| PID 3728 wrote to memory of 1560 | N/A | C:\Windows\SysWOW64\wrapwsa.exe | C:\Windows\SysWOW64\wrapwsa.exe |
| PID 3728 wrote to memory of 1560 | N/A | C:\Windows\SysWOW64\wrapwsa.exe | C:\Windows\SysWOW64\wrapwsa.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe
--50a68a18
C:\Windows\SysWOW64\wrapwsa.exe
"C:\Windows\SysWOW64\wrapwsa.exe"
C:\Windows\SysWOW64\wrapwsa.exe
--5a5c2451
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| FR | 149.202.197.94:8080 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| JP | 139.162.75.91:8080 | tcp | |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| FR | 37.187.2.199:443 | 37.187.2.199 | tcp |
| US | 8.8.8.8:53 | 199.2.187.37.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 |
| ES | 90.77.228.193:8090 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 67.225.179.64:8080 | tcp | |
| DE | 87.106.139.101:8080 | tcp |
Files
memory/4252-5-0x00000000021E0000-0x00000000021F0000-memory.dmp
memory/4252-0-0x00000000021F0000-0x0000000002205000-memory.dmp
memory/4104-6-0x00000000020A0000-0x00000000020B5000-memory.dmp
memory/3728-12-0x0000000000EC0000-0x0000000000ED5000-memory.dmp
memory/4104-17-0x0000000000400000-0x000000000044D000-memory.dmp
C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\810077f5bbf3ff29a811eaffcf25df49_6b8fed25-7af2-4faa-8715-fe0b598ba931
| MD5 | 96cbe736282c499a24b063fb66e1da22 |
| SHA1 | baa5bcc62c469b7f6d0b459f17cb6fcb8b35a300 |
| SHA256 | 044e03d289dab3cac16b897753db443f1e6c00fc2de84c1a9239590f1becba92 |
| SHA512 | b3f602e0d9f9b1f8daed78c92776251f86cc45b07f162d77314777c32228d921d5a4219f05eb312f840963df0040441106d387351525465347f7f4088e4fbb92 |
memory/1560-20-0x00000000006F0000-0x0000000000705000-memory.dmp