Analysis Overview
SHA256
4655f0c946b4abcf4b7d740ac494bf8df5a67382ffd620f684cf79e30c20f1b8
Threat Level: Known bad
The file 8e933c17f526847fcffac71fa0cfea07_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 Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-02 15:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 15:36
Reported
2024-06-02 15:39
Platform
win10v2004-20240508-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\INetCache\IE | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\iabfsi.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\iabfsi.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\iabfsi.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\iabfsi.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1332 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe |
| PID 1332 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe |
| PID 1332 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe |
| PID 1660 wrote to memory of 3840 | N/A | C:\Windows\SysWOW64\iabfsi.exe | C:\Windows\SysWOW64\iabfsi.exe |
| PID 1660 wrote to memory of 3840 | N/A | C:\Windows\SysWOW64\iabfsi.exe | C:\Windows\SysWOW64\iabfsi.exe |
| PID 1660 wrote to memory of 3840 | N/A | C:\Windows\SysWOW64\iabfsi.exe | C:\Windows\SysWOW64\iabfsi.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe
--2f2157c3
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=4004,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
C:\Windows\SysWOW64\iabfsi.exe
"C:\Windows\SysWOW64\iabfsi.exe"
C:\Windows\SysWOW64\iabfsi.exe
--db0fcc84
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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| MX | 187.188.166.192:80 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| MY | 42.190.4.92:443 | tcp | |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 170.130.31.177:8080 | tcp | |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
| FR | 51.255.165.160:8080 | 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 | 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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.65.42.20.in-addr.arpa | udp |
| US | 45.56.79.249:443 | 45.56.79.249 | tcp |
| US | 8.8.8.8:53 | 249.79.56.45.in-addr.arpa | udp |
| MY | 60.52.64.122:80 | tcp |
Files
memory/1332-1-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1332-0-0x0000000000401000-0x0000000000436000-memory.dmp
memory/1332-2-0x00000000006F0000-0x0000000000707000-memory.dmp
memory/872-10-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1332-9-0x00000000006D0000-0x00000000006E1000-memory.dmp
memory/1332-8-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1660-16-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1660-18-0x00000000001D0000-0x00000000001E7000-memory.dmp
memory/1660-24-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3840-27-0x0000000000400000-0x0000000000458000-memory.dmp
memory/872-26-0x0000000000400000-0x0000000000458000-memory.dmp
C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\27c0738ed88ae919a1711a9b1324b5a5_d2547453-e731-4fdf-8f92-95f955a44aca
| MD5 | dd78062e166a7d28ea259d66acf16e7b |
| SHA1 | b4799b14e9c354d2f2e954906c8a2ebf1262388d |
| SHA256 | 02d89b3d50c411c1ad7b4d2555f08620bccc5132adb6c965c043912489cbce8a |
| SHA512 | 2973d854e2c4288ed671a9b92ad97e161811112800d070bdf6d6f482bfe696cfcc7104ffa2a2102900a9a0fda02d558ecb15744cd5a7fb84b4948b7278edfb49 |
memory/3840-29-0x0000000001090000-0x00000000010A7000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-02 15:36
Reported
2024-06-02 15:39
Platform
win7-20240508-en
Max time kernel
147s
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\Temporary Internet Files\counters.dat | C:\Windows\SysWOW64\diagramcaching.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\Connections | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecisionTime = e0d306c502b5da01 | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\de-b6-f7-94-93-9f | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B} | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecisionTime = e0d306c502b5da01 | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f003b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecision = "0" | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecision = "0" | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecisionReason = "1" | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\diagramcaching.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe
--2f2157c3
C:\Windows\SysWOW64\diagramcaching.exe
"C:\Windows\SysWOW64\diagramcaching.exe"
C:\Windows\SysWOW64\diagramcaching.exe
--328f983e
Network
| Country | Destination | Domain | Proto |
| MX | 187.188.166.192:80 | tcp | |
| MX | 187.188.166.192:80 | tcp | |
| MY | 42.190.4.92:443 | tcp | |
| MY | 42.190.4.92:443 | tcp | |
| US | 170.130.31.177:8080 | tcp | |
| US | 170.130.31.177:8080 | tcp |
Files
memory/1484-1-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1484-0-0x0000000000401000-0x0000000000436000-memory.dmp
memory/1484-2-0x0000000000370000-0x0000000000387000-memory.dmp
memory/1484-9-0x0000000000350000-0x0000000000361000-memory.dmp
memory/1484-8-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2188-10-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2188-11-0x0000000000360000-0x0000000000377000-memory.dmp
memory/2336-16-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2336-23-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2724-26-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2336-17-0x00000000003D0000-0x00000000003E7000-memory.dmp
memory/2188-25-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2724-27-0x0000000000460000-0x0000000000477000-memory.dmp