Analysis Overview
SHA256
506fa4b97cb81314aa929dee6349218e06e85fbc4f78469592e0a4b90eab17cd
Threat Level: Known bad
The file 99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Unexpected DNS network traffic destination
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-06 02:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 02:34
Reported
2024-06-06 02:36
Platform
win10v2004-20240508-en
Max time kernel
134s
Max time network
144s
Command Line
Signatures
Emotet
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 216.21.168.27 | N/A | N/A |
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\extsshlp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\extsshlp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\extsshlp.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\extsshlp.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\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\extsshlp.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\extsshlp.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\extsshlp.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4524 wrote to memory of 1740 | N/A | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe |
| PID 4524 wrote to memory of 1740 | N/A | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe |
| PID 4524 wrote to memory of 1740 | N/A | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe |
| PID 1760 wrote to memory of 5092 | N/A | C:\Windows\SysWOW64\extsshlp.exe | C:\Windows\SysWOW64\extsshlp.exe |
| PID 1760 wrote to memory of 5092 | N/A | C:\Windows\SysWOW64\extsshlp.exe | C:\Windows\SysWOW64\extsshlp.exe |
| PID 1760 wrote to memory of 5092 | N/A | C:\Windows\SysWOW64\extsshlp.exe | C:\Windows\SysWOW64\extsshlp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"
C:\Windows\SysWOW64\extsshlp.exe
"C:\Windows\SysWOW64\extsshlp.exe"
C:\Windows\SysWOW64\extsshlp.exe
"C:\Windows\SysWOW64\extsshlp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.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 | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| CA | 128.100.126.113:80 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 47.188.131.94:443 | 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 | 203.107.17.2.in-addr.arpa | udp |
| DE | 80.153.201.243:22 | tcp | |
| IE | 52.111.236.23:443 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 |
| 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 | 200.197.79.204.in-addr.arpa | udp |
| US | 216.21.168.27:53 | tcp | |
| ZA | 164.160.161.118:8080 | tcp |
Files
memory/4524-0-0x0000000000960000-0x000000000096D000-memory.dmp
memory/4524-4-0x0000000000960000-0x000000000096D000-memory.dmp
memory/4524-6-0x0000000002470000-0x0000000002490000-memory.dmp
memory/4524-5-0x0000000000590000-0x000000000059D000-memory.dmp
memory/1740-7-0x00000000005A0000-0x00000000005AD000-memory.dmp
memory/1740-11-0x00000000005A0000-0x00000000005AD000-memory.dmp
memory/1740-13-0x00000000005B0000-0x00000000005D0000-memory.dmp
memory/1740-12-0x0000000000590000-0x000000000059D000-memory.dmp
memory/4524-14-0x0000000000590000-0x000000000059D000-memory.dmp
memory/1760-19-0x00000000006A0000-0x00000000006AD000-memory.dmp
memory/1760-15-0x00000000006A0000-0x00000000006AD000-memory.dmp
memory/1760-21-0x00000000006B0000-0x00000000006D0000-memory.dmp
memory/1760-20-0x0000000000580000-0x000000000058D000-memory.dmp
memory/5092-26-0x00000000004C0000-0x00000000004CD000-memory.dmp
memory/5092-22-0x00000000004C0000-0x00000000004CD000-memory.dmp
memory/5092-27-0x00000000004B0000-0x00000000004BD000-memory.dmp
memory/5092-28-0x00000000004E0000-0x0000000000500000-memory.dmp
memory/1760-29-0x0000000000580000-0x000000000058D000-memory.dmp
memory/1740-31-0x0000000000590000-0x000000000059D000-memory.dmp
memory/1740-30-0x0000000000400000-0x0000000000420000-memory.dmp
memory/5092-32-0x00000000004B0000-0x00000000004BD000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 02:34
Reported
2024-06-06 02:36
Platform
win7-20231129-en
Max time kernel
143s
Max time network
137s
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\accountutilman.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\ee-11-a7-3b-9b-9c\WpadDecision = "0" | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadDecision = "0" | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\ee-11-a7-3b-9b-9c | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977} | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c\WpadDetectedUrl | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c\WpadDecisionTime = 5078ba51bab7da01 | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f003e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadDecisionTime = 5078ba51bab7da01 | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f003e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c\WpadDecisionTime = 70d98802bab7da01 | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadDecisionTime = 70d98802bab7da01 | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c\WpadDecisionReason = "1" | C:\Windows\SysWOW64\accountutilman.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\accountutilman.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\accountutilman.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"
C:\Windows\SysWOW64\accountutilman.exe
"C:\Windows\SysWOW64\accountutilman.exe"
C:\Windows\SysWOW64\accountutilman.exe
"C:\Windows\SysWOW64\accountutilman.exe"
Network
| Country | Destination | Domain | Proto |
| CA | 128.100.126.113:80 | tcp | |
| CA | 128.100.126.113:80 | tcp | |
| US | 47.188.131.94:443 | tcp | |
| US | 47.188.131.94:443 | tcp | |
| US | 76.72.225.30:465 | tcp | |
| US | 76.72.225.30:465 | tcp |
Files
memory/2368-6-0x0000000000270000-0x0000000000290000-memory.dmp
memory/2368-5-0x0000000000250000-0x000000000025D000-memory.dmp
memory/2368-4-0x0000000000260000-0x000000000026D000-memory.dmp
memory/2368-0-0x0000000000260000-0x000000000026D000-memory.dmp
memory/2368-12-0x0000000000250000-0x000000000025D000-memory.dmp
memory/2396-17-0x0000000000330000-0x000000000033D000-memory.dmp
memory/2396-13-0x0000000000330000-0x000000000033D000-memory.dmp
memory/2396-18-0x0000000000320000-0x000000000032D000-memory.dmp
memory/2396-19-0x00000000003D0000-0x00000000003F0000-memory.dmp
memory/3052-24-0x00000000003A0000-0x00000000003AD000-memory.dmp
memory/3052-20-0x00000000003A0000-0x00000000003AD000-memory.dmp
memory/3052-26-0x00000000003B0000-0x00000000003D0000-memory.dmp
memory/3052-25-0x0000000000390000-0x000000000039D000-memory.dmp
memory/2396-27-0x0000000000320000-0x000000000032D000-memory.dmp
memory/2188-29-0x0000000000250000-0x000000000025D000-memory.dmp
memory/2188-28-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3052-30-0x0000000000390000-0x000000000039D000-memory.dmp