Analysis Overview
SHA256
81d522b210d792d32e3d44735e3c7c39a57eae172f5520fa4b55ed1007efdea0
Threat Level: Likely malicious
The file 1a706d5383c7092d51ca8e7f12530649_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Server Software Component: Terminal Services DLL
Checks computer location settings
Loads dropped DLL
VMProtect packed file
Deletes itself
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 14:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 14:16
Reported
2024-06-28 14:18
Platform
win7-20240611-en
Max time kernel
130s
Max time network
130s
Command Line
Signatures
Server Software Component: Terminal Services DLL
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\.Net CLR\Parameters\ServiceDll = "C:\\Windows\\system32\\f7605cb.dll" | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\f7605cb.dll | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k ".Net CLR"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\1A706D~1.EXE" > nul
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe c:\windows\system32\f7605cb.dll, Launch
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | kisme.3322.org | udp |
Files
memory/2708-28-0x0000000074894000-0x0000000074895000-memory.dmp
memory/2708-27-0x0000000074760000-0x00000000748E9000-memory.dmp
\Windows\SysWOW64\f7605cb.dll
| MD5 | e4060e2410ea64e00f85d83bfb137bfb |
| SHA1 | f230ecb9b0d8bc88ec0f82ce74c80143b2e5458a |
| SHA256 | fe30c3f8c5e47e7a9b51404357dd96281062f08ff6a2230f1edf5f807bd43c75 |
| SHA512 | 83a518435605bd7b7150539061dfb8b63da24cbc59c9d4db909120314e4eae24a0cb1e675b52c4567365f261d9bc6cda54a6a901b243d40b0f3238ad1e3175dd |
memory/2104-22-0x0000000000400000-0x0000000000516000-memory.dmp
memory/2104-21-0x0000000000220000-0x0000000000260000-memory.dmp
memory/2600-18-0x0000000074760000-0x00000000748E9000-memory.dmp
memory/2104-14-0x0000000074760000-0x00000000748E9000-memory.dmp
memory/2104-9-0x0000000000401000-0x0000000000408000-memory.dmp
memory/2104-10-0x0000000000400000-0x0000000000516000-memory.dmp
memory/2104-8-0x0000000000400000-0x0000000000516000-memory.dmp
memory/2104-7-0x0000000001DF0000-0x0000000001F00000-memory.dmp
memory/2104-6-0x0000000000400000-0x0000000000516000-memory.dmp
memory/2104-5-0x0000000000400000-0x0000000000516000-memory.dmp
memory/2104-4-0x0000000000400000-0x0000000000516000-memory.dmp
memory/2104-3-0x0000000000220000-0x0000000000260000-memory.dmp
memory/2104-2-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/2104-1-0x0000000000220000-0x0000000000260000-memory.dmp
memory/2104-0-0x0000000000400000-0x0000000000516000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 14:16
Reported
2024-06-28 14:18
Platform
win10v2004-20240611-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Server Software Component: Terminal Services DLL
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.Net CLR\Parameters\ServiceDll = "C:\\Windows\\system32\\e57d522.dll" | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\e57d522.dll | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3284 wrote to memory of 3224 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3284 wrote to memory of 3224 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3284 wrote to memory of 3224 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1564 wrote to memory of 3212 | N/A | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1564 wrote to memory of 3212 | N/A | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1564 wrote to memory of 3212 | N/A | C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a706d5383c7092d51ca8e7f12530649_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k ".Net CLR"
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe c:\windows\system32\e57d522.dll, Launch
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\1A706D~1.EXE" > nul
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 --field-trial-handle=2736,i,11069752405888604640,8928124405695604965,262144 --variations-seed-version --mojo-platform-channel-handle=4192 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | kisme.3322.org | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kisme.3322.org | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kisme.3322.org | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kisme.3322.org | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kisme.3322.org | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kisme.3322.org | udp |
| US | 8.8.8.8:53 | kisme.3322.org | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
Files
memory/1564-0-0x0000000000400000-0x0000000000516000-memory.dmp
memory/1564-7-0x0000000000400000-0x0000000000516000-memory.dmp
memory/1564-5-0x0000000000400000-0x0000000000516000-memory.dmp
memory/1564-14-0x0000000000401000-0x0000000000408000-memory.dmp
memory/1564-13-0x00000000755F0000-0x0000000075779000-memory.dmp
memory/1564-12-0x0000000002280000-0x0000000002420000-memory.dmp
C:\Windows\SysWOW64\e57d522.dll
| MD5 | e4060e2410ea64e00f85d83bfb137bfb |
| SHA1 | f230ecb9b0d8bc88ec0f82ce74c80143b2e5458a |
| SHA256 | fe30c3f8c5e47e7a9b51404357dd96281062f08ff6a2230f1edf5f807bd43c75 |
| SHA512 | 83a518435605bd7b7150539061dfb8b63da24cbc59c9d4db909120314e4eae24a0cb1e675b52c4567365f261d9bc6cda54a6a901b243d40b0f3238ad1e3175dd |
memory/1564-9-0x0000000002130000-0x0000000002220000-memory.dmp
memory/1564-6-0x0000000000400000-0x0000000000516000-memory.dmp
memory/1564-4-0x0000000000400000-0x0000000000516000-memory.dmp
memory/1564-3-0x0000000000740000-0x0000000000780000-memory.dmp
memory/1564-2-0x0000000000780000-0x0000000000781000-memory.dmp
memory/1564-1-0x0000000000740000-0x0000000000780000-memory.dmp
memory/3284-19-0x00000000755F0000-0x0000000075779000-memory.dmp
memory/3224-21-0x00000000755F0000-0x0000000075779000-memory.dmp
memory/1564-25-0x0000000000740000-0x0000000000780000-memory.dmp
memory/1564-24-0x0000000000400000-0x0000000000516000-memory.dmp