Analysis Overview
SHA256
77393439145b496c866f5b49cf324a73c15e8b7673b41911f46badc4b3ef302a
Threat Level: Known bad
The file b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: RenamesItself
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-17 13:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-17 13:24
Reported
2024-06-17 13:27
Platform
win7-20240419-en
Max time kernel
138s
Max time network
152s
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\tcgspecial.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 | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3CD6B59-45B8-4EC6-BAF2-0C427CEEC5A6} | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-99-4c-c3-5e-ea\WpadDecisionTime = 4093edd3b9c0da01 | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-99-4c-c3-5e-ea\WpadDecision = "0" | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3CD6B59-45B8-4EC6-BAF2-0C427CEEC5A6}\WpadDecision = "0" | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-99-4c-c3-5e-ea | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3CD6B59-45B8-4EC6-BAF2-0C427CEEC5A6}\WpadDecisionTime = 4093edd3b9c0da01 | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3CD6B59-45B8-4EC6-BAF2-0C427CEEC5A6}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3CD6B59-45B8-4EC6-BAF2-0C427CEEC5A6}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3CD6B59-45B8-4EC6-BAF2-0C427CEEC5A6}\9e-99-4c-c3-5e-ea | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-99-4c-c3-5e-ea\WpadDecisionReason = "1" | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\tcgspecial.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe
--756fc1e9
C:\Windows\SysWOW64\tcgspecial.exe
"C:\Windows\SysWOW64\tcgspecial.exe"
C:\Windows\SysWOW64\tcgspecial.exe
--f054b5d3
Network
| Country | Destination | Domain | Proto |
| US | 63.248.198.8:80 | tcp | |
| US | 63.248.198.8:80 | tcp | |
| BR | 189.19.81.181:443 | tcp | |
| BR | 189.19.81.181:443 | tcp | |
| BG | 130.204.247.253:80 | tcp | |
| BG | 130.204.247.253:80 | tcp |
Files
memory/2288-5-0x0000000000350000-0x0000000000361000-memory.dmp
memory/2288-0-0x0000000000380000-0x0000000000397000-memory.dmp
memory/2920-6-0x0000000000260000-0x0000000000277000-memory.dmp
memory/2140-11-0x00000000003A0000-0x00000000003B7000-memory.dmp
memory/2920-16-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/2724-17-0x00000000003E0000-0x00000000003F7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-17 13:24
Reported
2024-06-17 13:27
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
157s
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\inboxwrap.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\inboxwrap.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\inboxwrap.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\inboxwrap.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4412 wrote to memory of 2828 | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe |
| PID 4412 wrote to memory of 2828 | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe |
| PID 4412 wrote to memory of 2828 | N/A | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe |
| PID 4464 wrote to memory of 752 | N/A | C:\Windows\SysWOW64\inboxwrap.exe | C:\Windows\SysWOW64\inboxwrap.exe |
| PID 4464 wrote to memory of 752 | N/A | C:\Windows\SysWOW64\inboxwrap.exe | C:\Windows\SysWOW64\inboxwrap.exe |
| PID 4464 wrote to memory of 752 | N/A | C:\Windows\SysWOW64\inboxwrap.exe | C:\Windows\SysWOW64\inboxwrap.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\b8d78a5940e0a07f61065451ccdc9918_JaffaCakes118.exe
--756fc1e9
C:\Windows\SysWOW64\inboxwrap.exe
"C:\Windows\SysWOW64\inboxwrap.exe"
C:\Windows\SysWOW64\inboxwrap.exe
--9b88cce6
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 --mojo-platform-channel-handle=4112 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 63.248.198.8:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| BR | 189.19.81.181:443 | tcp | |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| BG | 130.204.247.253:80 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| DE | 142.250.186.42:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 42.186.250.142.in-addr.arpa | udp |
| US | 96.126.121.64:443 | tcp | |
| US | 104.236.137.72:8080 | tcp | |
| GB | 85.234.143.94:8080 | tcp | |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/4412-0-0x0000000002270000-0x0000000002287000-memory.dmp
memory/4412-5-0x0000000002250000-0x0000000002261000-memory.dmp
memory/2828-6-0x00000000021A0000-0x00000000021B7000-memory.dmp
memory/4464-11-0x0000000000E70000-0x0000000000E87000-memory.dmp
memory/752-16-0x0000000000DF0000-0x0000000000E07000-memory.dmp
memory/2828-21-0x0000000000400000-0x00000000004C1000-memory.dmp