Analysis Overview
SHA256
07c58ac7886991fef6439b5e5270ca1d9e1086ce829eb75d6c0e608a6075d3e1
Threat Level: Known bad
The file 66bac30c44aea6d125048e6a31ab6043_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 09:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 09:01
Reported
2024-05-22 09:04
Platform
win7-20240221-en
Max time kernel
130s
Max time network
145s
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\wmistrdefrag.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\{5B3D4CC0-94C3-48DB-B0C9-F2E6D1D2AAB0} | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B3D4CC0-94C3-48DB-B0C9-F2E6D1D2AAB0}\WpadDecision = "0" | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-dd-42-11-1f-8d | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B3D4CC0-94C3-48DB-B0C9-F2E6D1D2AAB0}\5e-dd-42-11-1f-8d | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-dd-42-11-1f-8d\WpadDecision = "0" | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-dd-42-11-1f-8d\WpadDecisionTime = 800c68bb26acda01 | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0075000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B3D4CC0-94C3-48DB-B0C9-F2E6D1D2AAB0}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B3D4CC0-94C3-48DB-B0C9-F2E6D1D2AAB0}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-dd-42-11-1f-8d\WpadDecisionReason = "1" | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5B3D4CC0-94C3-48DB-B0C9-F2E6D1D2AAB0}\WpadDecisionTime = 800c68bb26acda01 | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wmistrdefrag.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe"
C:\Windows\SysWOW64\wmistrdefrag.exe
"C:\Windows\SysWOW64\wmistrdefrag.exe"
C:\Windows\SysWOW64\wmistrdefrag.exe
"C:\Windows\SysWOW64\wmistrdefrag.exe"
Network
| Country | Destination | Domain | Proto |
| ZA | 197.245.46.11:80 | tcp | |
| ZA | 197.245.46.11:80 | tcp | |
| CA | 216.46.44.93:80 | tcp | |
| CA | 216.46.44.93:80 | tcp | |
| US | 96.232.248.52:80 | tcp | |
| US | 96.232.248.52:80 | tcp |
Files
memory/2320-6-0x00000000002E0000-0x0000000000300000-memory.dmp
memory/2320-5-0x00000000002C0000-0x00000000002CD000-memory.dmp
memory/2320-4-0x00000000002D0000-0x00000000002DD000-memory.dmp
memory/2320-0-0x00000000002D0000-0x00000000002DD000-memory.dmp
memory/1212-11-0x0000000000250000-0x000000000025D000-memory.dmp
memory/1212-7-0x0000000000250000-0x000000000025D000-memory.dmp
memory/1212-13-0x0000000000260000-0x0000000000280000-memory.dmp
memory/1212-12-0x0000000000240000-0x000000000024D000-memory.dmp
memory/2320-14-0x00000000002C0000-0x00000000002CD000-memory.dmp
memory/2484-15-0x0000000000260000-0x000000000026D000-memory.dmp
memory/2484-21-0x00000000003C0000-0x00000000003E0000-memory.dmp
memory/2484-20-0x0000000000250000-0x000000000025D000-memory.dmp
memory/2484-19-0x0000000000260000-0x000000000026D000-memory.dmp
memory/2624-26-0x0000000000310000-0x000000000031D000-memory.dmp
memory/2624-22-0x0000000000310000-0x000000000031D000-memory.dmp
memory/2624-28-0x00000000003B0000-0x00000000003D0000-memory.dmp
memory/2624-27-0x0000000000300000-0x000000000030D000-memory.dmp
memory/2484-29-0x0000000000250000-0x000000000025D000-memory.dmp
memory/1212-31-0x0000000000240000-0x000000000024D000-memory.dmp
memory/1212-30-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2624-32-0x0000000000300000-0x000000000030D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 09:01
Reported
2024-05-22 09:04
Platform
win10v2004-20240426-en
Max time kernel
148s
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\INetCache\Content.IE5 | C:\Windows\SysWOW64\prxyshlp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\prxyshlp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\prxyshlp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\prxyshlp.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\prxyshlp.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\prxyshlp.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\prxyshlp.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4428 wrote to memory of 3740 | N/A | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe |
| PID 4428 wrote to memory of 3740 | N/A | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe |
| PID 4428 wrote to memory of 3740 | N/A | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe |
| PID 5036 wrote to memory of 4020 | N/A | C:\Windows\SysWOW64\prxyshlp.exe | C:\Windows\SysWOW64\prxyshlp.exe |
| PID 5036 wrote to memory of 4020 | N/A | C:\Windows\SysWOW64\prxyshlp.exe | C:\Windows\SysWOW64\prxyshlp.exe |
| PID 5036 wrote to memory of 4020 | N/A | C:\Windows\SysWOW64\prxyshlp.exe | C:\Windows\SysWOW64\prxyshlp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\66bac30c44aea6d125048e6a31ab6043_JaffaCakes118.exe"
C:\Windows\SysWOW64\prxyshlp.exe
"C:\Windows\SysWOW64\prxyshlp.exe"
C:\Windows\SysWOW64\prxyshlp.exe
"C:\Windows\SysWOW64\prxyshlp.exe"
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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| 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 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| ZA | 197.245.46.11:80 | tcp | |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| CA | 216.46.44.93:80 | tcp | |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 96.232.248.52:80 | tcp | |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| ZA | 41.169.36.237:80 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| 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 |
| ZA | 197.87.144.210:8080 | tcp | |
| BS | 24.244.177.40:8080 | tcp |
Files
memory/4428-0-0x0000000002030000-0x000000000203D000-memory.dmp
memory/4428-5-0x0000000002040000-0x000000000204D000-memory.dmp
memory/4428-1-0x0000000002040000-0x000000000204D000-memory.dmp
memory/4428-6-0x0000000002050000-0x0000000002070000-memory.dmp
memory/3740-12-0x0000000002030000-0x000000000203D000-memory.dmp
memory/4428-13-0x0000000002030000-0x000000000203D000-memory.dmp
memory/5036-20-0x0000000000D10000-0x0000000000D30000-memory.dmp
memory/5036-19-0x0000000000CF0000-0x0000000000CFD000-memory.dmp
memory/5036-18-0x0000000000D00000-0x0000000000D0D000-memory.dmp
memory/5036-15-0x0000000000D00000-0x0000000000D0D000-memory.dmp
memory/4020-27-0x0000000000E50000-0x0000000000E70000-memory.dmp
memory/4020-26-0x0000000000E30000-0x0000000000E3D000-memory.dmp
memory/4020-25-0x0000000000E40000-0x0000000000E4D000-memory.dmp
memory/4020-21-0x0000000000E40000-0x0000000000E4D000-memory.dmp
memory/5036-28-0x0000000000CF0000-0x0000000000CFD000-memory.dmp
memory/3740-30-0x0000000002030000-0x000000000203D000-memory.dmp
memory/3740-29-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4020-31-0x0000000000E30000-0x0000000000E3D000-memory.dmp