Analysis Overview
SHA256
1f552efb5aa1cca30b22e3e8eada588387d599188c7895ee79ef6b4cee4d88b3
Threat Level: Known bad
The file 756517b66f383614847c911c741b5f6b_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
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-26 11:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-26 11:53
Reported
2024-05-26 11:56
Platform
win7-20240508-en
Max time kernel
150s
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\malertmaker.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\Wpad | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-02-5b-62-74-e4 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-02-5b-62-74-e4\WpadDetectedUrl | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{02FFA379-EAE0-4C23-A05C-D513EEABB480}\WpadDecisionTime = c06839ae63afda01 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-02-5b-62-74-e4\WpadDecisionReason = "1" | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{02FFA379-EAE0-4C23-A05C-D513EEABB480}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-02-5b-62-74-e4\WpadDecisionTime = c0604f7363afda01 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-02-5b-62-74-e4\WpadDecision = "0" | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0098000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{02FFA379-EAE0-4C23-A05C-D513EEABB480}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{02FFA379-EAE0-4C23-A05C-D513EEABB480}\WpadDecision = "0" | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{02FFA379-EAE0-4C23-A05C-D513EEABB480} | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-02-5b-62-74-e4\WpadDecisionTime = c06839ae63afda01 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0098000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{02FFA379-EAE0-4C23-A05C-D513EEABB480}\ca-02-5b-62-74-e4 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{02FFA379-EAE0-4C23-A05C-D513EEABB480}\WpadDecisionTime = c0604f7363afda01 | C:\Windows\SysWOW64\malertmaker.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malertmaker.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malertmaker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malertmaker.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe
--6c355abb
C:\Windows\SysWOW64\malertmaker.exe
"C:\Windows\SysWOW64\malertmaker.exe"
C:\Windows\SysWOW64\malertmaker.exe
--2418104b
Network
| Country | Destination | Domain | Proto |
| AT | 212.186.191.177:80 | tcp | |
| AT | 212.186.191.177:80 | tcp | |
| ES | 91.242.138.5:80 | tcp | |
| ES | 91.242.138.5:80 | tcp | |
| US | 173.13.135.102:80 | tcp | |
| US | 173.13.135.102:80 | tcp | |
| CN | 59.110.18.236:443 | tcp | |
| CN | 59.110.18.236:443 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/2344-0-0x0000000000390000-0x00000000003A7000-memory.dmp
memory/2344-5-0x0000000000340000-0x0000000000351000-memory.dmp
memory/2944-6-0x0000000000520000-0x0000000000537000-memory.dmp
memory/2696-11-0x0000000000500000-0x0000000000517000-memory.dmp
memory/2944-16-0x0000000000400000-0x000000000049F000-memory.dmp
memory/2700-17-0x0000000000530000-0x0000000000547000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-26 11:53
Reported
2024-05-26 11:56
Platform
win10v2004-20240508-en
Max time kernel
145s
Max time network
155s
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\luawow.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\luawow.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\luawow.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\luawow.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\luawow.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\luawow.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\luawow.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\luawow.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4928 wrote to memory of 3448 | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe |
| PID 4928 wrote to memory of 3448 | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe |
| PID 4928 wrote to memory of 3448 | N/A | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe |
| PID 1152 wrote to memory of 4984 | N/A | C:\Windows\SysWOW64\luawow.exe | C:\Windows\SysWOW64\luawow.exe |
| PID 1152 wrote to memory of 4984 | N/A | C:\Windows\SysWOW64\luawow.exe | C:\Windows\SysWOW64\luawow.exe |
| PID 1152 wrote to memory of 4984 | N/A | C:\Windows\SysWOW64\luawow.exe | C:\Windows\SysWOW64\luawow.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\756517b66f383614847c911c741b5f6b_JaffaCakes118.exe
--6c355abb
C:\Windows\SysWOW64\luawow.exe
"C:\Windows\SysWOW64\luawow.exe"
C:\Windows\SysWOW64\luawow.exe
--611abd39
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| AT | 212.186.191.177:80 | tcp | |
| US | 8.8.8.8:53 | 31.251.17.2.in-addr.arpa | udp |
| ES | 91.242.138.5:80 | tcp | |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 173.13.135.102:80 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| CN | 59.110.18.236:443 | 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 |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 45.56.88.91:443 | tcp | |
| GB | 51.68.220.244:8080 | tcp |
Files
memory/4928-0-0x00000000023C0000-0x00000000023D7000-memory.dmp
memory/4928-5-0x00000000021F0000-0x0000000002201000-memory.dmp
memory/3448-6-0x00000000006A0000-0x00000000006B7000-memory.dmp
memory/3448-11-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1152-13-0x0000000000F80000-0x0000000000F97000-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/4984-20-0x0000000000DA0000-0x0000000000DB7000-memory.dmp