Analysis Overview
SHA256
6979a2e9be363e8792613c5112a43de21d78849d6e86b642d3ddd0723bde227a
Threat Level: Known bad
The file aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 17:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 17:19
Reported
2024-06-14 17:21
Platform
win7-20240508-en
Max time kernel
134s
Max time network
144s
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\vieweridebug.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 | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574} | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecisionReason = "1" | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecisionTime = 306a29047fbeda01 | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecisionTime = 306a29047fbeda01 | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\be-1c-0c-b7-89-d4 | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0027000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecision = "0" | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4 | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecision = "0" | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\vieweridebug.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe
--add77198
C:\Windows\SysWOW64\vieweridebug.exe
"C:\Windows\SysWOW64\vieweridebug.exe"
C:\Windows\SysWOW64\vieweridebug.exe
--f4a4084e
Network
| Country | Destination | Domain | Proto |
| US | 68.229.130.39:80 | tcp | |
| US | 68.229.130.39:80 | tcp | |
| US | 70.116.68.186:80 | tcp | |
| US | 70.116.68.186:80 | tcp | |
| CW | 190.112.228.47:443 | tcp | |
| CW | 190.112.228.47:443 | tcp |
Files
memory/1664-0-0x0000000000FA0000-0x0000000000FB4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 17:19
Reported
2024-06-14 17:21
Platform
win10v2004-20240508-en
Max time kernel
143s
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\viewerguiddef.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\viewerguiddef.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\viewerguiddef.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4932 wrote to memory of 1496 | N/A | C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe |
| PID 4932 wrote to memory of 1496 | N/A | C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe |
| PID 4932 wrote to memory of 1496 | N/A | C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe |
| PID 3628 wrote to memory of 3448 | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | C:\Windows\SysWOW64\viewerguiddef.exe |
| PID 3628 wrote to memory of 3448 | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | C:\Windows\SysWOW64\viewerguiddef.exe |
| PID 3628 wrote to memory of 3448 | N/A | C:\Windows\SysWOW64\viewerguiddef.exe | C:\Windows\SysWOW64\viewerguiddef.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe
--add77198
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3640,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8
C:\Windows\SysWOW64\viewerguiddef.exe
"C:\Windows\SysWOW64\viewerguiddef.exe"
C:\Windows\SysWOW64\viewerguiddef.exe
--370ae680
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 68.229.130.39:80 | tcp | |
| US | 70.116.68.186:80 | tcp | |
| CW | 190.112.228.47:443 | tcp | |
| GB | 149.255.56.242:8080 | tcp | |
| US | 144.202.9.18:8080 | tcp |
Files
memory/1496-0-0x0000000000830000-0x0000000000844000-memory.dmp