Analysis Overview
SHA256
e5be3c0b66d7c3c2986202faf860f4cce41892db64c91e8322a57c2e4c23ecf0
Threat Level: Known bad
The file 41ef82921697cb1c0ad4c2acb3ccd0ba_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
2024-07-13 13:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-13 13:50
Reported
2024-07-13 13:52
Platform
win7-20240705-en
Max time kernel
147s
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\bulkrelated.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 = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f006c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\WpadDecisionTime = 40ceffa02bd5da01 | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f3-e3-0f-5f-1c | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f3-e3-0f-5f-1c\WpadDecisionReason = "1" | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f3-e3-0f-5f-1c\WpadDecisionTime = 40ceffa02bd5da01 | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\52-f3-e3-0f-5f-1c | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f3-e3-0f-5f-1c\WpadDecision = "0" | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\WpadDecision = "0" | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48} | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bulkrelated.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe
--deb9995f
C:\Windows\SysWOW64\bulkrelated.exe
"C:\Windows\SysWOW64\bulkrelated.exe"
C:\Windows\SysWOW64\bulkrelated.exe
--8591e8ef
Network
| Country | Destination | Domain | Proto |
| GB | 80.0.106.83:80 | tcp | |
| GB | 80.0.106.83:80 | tcp | |
| GB | 81.143.213.156:7080 | tcp | |
| GB | 81.143.213.156:7080 | tcp | |
| GB | 86.155.233.74:8080 | tcp | |
| GB | 86.155.233.74:8080 | tcp |
Files
memory/884-0-0x0000000000400000-0x0000000000415000-memory.dmp
memory/884-2-0x0000000000220000-0x0000000000221000-memory.dmp
memory/884-3-0x0000000000230000-0x0000000000231000-memory.dmp
memory/884-5-0x0000000000400000-0x0000000000415000-memory.dmp
memory/884-1-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2468-6-0x00000000001B0000-0x00000000001B1000-memory.dmp
memory/2868-8-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2868-9-0x00000000001B0000-0x00000000001B1000-memory.dmp
memory/2468-13-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2936-14-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2936-16-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2936-17-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2936-22-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2936-26-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2936-27-0x0000000000400000-0x0000000000415000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-13 13:50
Reported
2024-07-13 13:52
Platform
win10v2004-20240709-en
Max time kernel
146s
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\itsviewer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\itsviewer.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\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\itsviewer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\itsviewer.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1540 wrote to memory of 1708 | N/A | C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe |
| PID 1540 wrote to memory of 1708 | N/A | C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe |
| PID 1540 wrote to memory of 1708 | N/A | C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe |
| PID 2096 wrote to memory of 5012 | N/A | C:\Windows\SysWOW64\itsviewer.exe | C:\Windows\SysWOW64\itsviewer.exe |
| PID 2096 wrote to memory of 5012 | N/A | C:\Windows\SysWOW64\itsviewer.exe | C:\Windows\SysWOW64\itsviewer.exe |
| PID 2096 wrote to memory of 5012 | N/A | C:\Windows\SysWOW64\itsviewer.exe | C:\Windows\SysWOW64\itsviewer.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe
--deb9995f
C:\Windows\SysWOW64\itsviewer.exe
"C:\Windows\SysWOW64\itsviewer.exe"
C:\Windows\SysWOW64\itsviewer.exe
--cd537cb0
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| GB | 80.0.106.83:80 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| GB | 81.143.213.156:7080 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| GB | 86.155.233.74:8080 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| EC | 186.71.75.2:80 | tcp | |
| EC | 181.211.130.109:443 | tcp |
Files
memory/1540-0-0x0000000000400000-0x0000000000415000-memory.dmp
memory/1540-2-0x0000000000400000-0x0000000000415000-memory.dmp
memory/1540-1-0x0000000000520000-0x0000000000521000-memory.dmp
memory/1540-4-0x0000000000400000-0x0000000000415000-memory.dmp
memory/1708-8-0x0000000000580000-0x0000000000581000-memory.dmp
memory/1708-5-0x0000000000500000-0x0000000000501000-memory.dmp
memory/1708-6-0x0000000000400000-0x0000000000415000-memory.dmp
memory/1708-12-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-14-0x0000000000460000-0x0000000000461000-memory.dmp
memory/5012-15-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-16-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-17-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-19-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-21-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-22-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-24-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-26-0x0000000000400000-0x0000000000415000-memory.dmp
memory/5012-27-0x0000000000400000-0x0000000000415000-memory.dmp