Analysis Overview
SHA256
8ca049e0699925d3ea76cb769814c220c410f29eae2f862ddbb03361e5a92d73
Threat Level: Known bad
The file ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
NanoCore
CustAttr .NET packer
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-21 16:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-21 16:26
Reported
2024-04-21 16:29
Platform
win7-20240221-en
Max time kernel
149s
Max time network
155s
Command Line
Signatures
NanoCore
CustAttr .NET packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2656 set thread context of 2852 | N/A | C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DDP Service\ddpsv.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DDP Service\ddpsv.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| EE | 91.193.75.228:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp |
Files
memory/2656-0-0x0000000000A40000-0x0000000000AF2000-memory.dmp
memory/2656-1-0x0000000074650000-0x0000000074D3E000-memory.dmp
memory/2656-2-0x0000000001F60000-0x0000000001FA0000-memory.dmp
memory/2656-3-0x0000000000260000-0x0000000000272000-memory.dmp
memory/2656-4-0x0000000074650000-0x0000000074D3E000-memory.dmp
memory/2656-5-0x0000000001F60000-0x0000000001FA0000-memory.dmp
memory/2656-6-0x00000000059B0000-0x0000000005A32000-memory.dmp
memory/2656-7-0x0000000000980000-0x00000000009BA000-memory.dmp
memory/2852-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2852-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2656-20-0x0000000074650000-0x0000000074D3E000-memory.dmp
memory/2852-21-0x00000000005D0000-0x0000000000610000-memory.dmp
memory/2852-19-0x0000000074650000-0x0000000074D3E000-memory.dmp
memory/2852-26-0x0000000000670000-0x000000000067A000-memory.dmp
memory/2612-27-0x000000006F670000-0x000000006FC1B000-memory.dmp
memory/2612-28-0x000000006F670000-0x000000006FC1B000-memory.dmp
memory/2852-29-0x00000000006C0000-0x00000000006DE000-memory.dmp
memory/2612-30-0x00000000024B0000-0x00000000024F0000-memory.dmp
memory/2852-31-0x0000000000680000-0x000000000068A000-memory.dmp
memory/2852-32-0x00000000005D0000-0x0000000000610000-memory.dmp
memory/2612-33-0x00000000024B0000-0x00000000024F0000-memory.dmp
memory/2612-34-0x00000000024B0000-0x00000000024F0000-memory.dmp
memory/2612-35-0x000000006F670000-0x000000006FC1B000-memory.dmp
memory/2852-36-0x0000000074650000-0x0000000074D3E000-memory.dmp
memory/2852-37-0x00000000005D0000-0x0000000000610000-memory.dmp
memory/2852-38-0x00000000005D0000-0x0000000000610000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-21 16:26
Reported
2024-04-21 16:29
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
151s
Command Line
Signatures
NanoCore
CustAttr .NET packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4656 set thread context of 4688 | N/A | C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\SMTP Subsystem\smtpss.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| File opened for modification | C:\Program Files (x86)\SMTP Subsystem\smtpss.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe"
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=3700 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ffb31463ba10f652b0dd8bc10e734b46_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| GB | 142.250.187.234:443 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.107.17.2.in-addr.arpa | udp |
| EE | 91.193.75.228:1985 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| EE | 91.193.75.228:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| EE | 91.193.75.228:1985 | tcp | |
| US | 8.8.8.8:53 | 31.73.42.20.in-addr.arpa | udp |
Files
memory/4656-0-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/4656-1-0x0000000000340000-0x00000000003F2000-memory.dmp
memory/4656-2-0x0000000005310000-0x00000000058B4000-memory.dmp
memory/4656-3-0x0000000004E00000-0x0000000004E92000-memory.dmp
memory/4656-4-0x0000000005060000-0x0000000005070000-memory.dmp
memory/4656-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmp
memory/4656-6-0x0000000005070000-0x000000000510C000-memory.dmp
memory/4656-7-0x0000000006870000-0x0000000006882000-memory.dmp
memory/4656-8-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/4656-9-0x0000000005060000-0x0000000005070000-memory.dmp
memory/4656-10-0x0000000006730000-0x00000000067B2000-memory.dmp
memory/4656-11-0x00000000067B0000-0x00000000067EA000-memory.dmp
memory/4688-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4688-13-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/1948-15-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/1948-16-0x0000000002BA0000-0x0000000002BD6000-memory.dmp
memory/4688-17-0x0000000005010000-0x0000000005020000-memory.dmp
memory/1948-18-0x00000000012A0000-0x00000000012B0000-memory.dmp
memory/1948-19-0x00000000012A0000-0x00000000012B0000-memory.dmp
memory/4656-20-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/1948-21-0x00000000055E0000-0x0000000005C08000-memory.dmp
memory/1948-24-0x0000000005DC0000-0x0000000005DE2000-memory.dmp
memory/1948-25-0x0000000005E60000-0x0000000005EC6000-memory.dmp
memory/1948-26-0x0000000005ED0000-0x0000000005F36000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dy3gwtr4.gy2.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4688-32-0x0000000005150000-0x000000000515A000-memory.dmp
memory/4688-33-0x0000000005C60000-0x0000000005C7E000-memory.dmp
memory/4688-38-0x0000000005FF0000-0x0000000005FFA000-memory.dmp
memory/4688-39-0x0000000005010000-0x0000000005020000-memory.dmp
memory/1948-40-0x00000000060D0000-0x0000000006424000-memory.dmp
memory/1948-41-0x0000000006530000-0x000000000654E000-memory.dmp
memory/1948-42-0x0000000006580000-0x00000000065CC000-memory.dmp
memory/1948-43-0x00000000012A0000-0x00000000012B0000-memory.dmp
memory/1948-44-0x0000000006B30000-0x0000000006B62000-memory.dmp
memory/1948-45-0x0000000070690000-0x00000000706DC000-memory.dmp
memory/1948-55-0x0000000006AD0000-0x0000000006AEE000-memory.dmp
memory/1948-56-0x0000000007730000-0x00000000077D3000-memory.dmp
memory/1948-57-0x0000000007EA0000-0x000000000851A000-memory.dmp
memory/1948-58-0x0000000007860000-0x000000000787A000-memory.dmp
memory/1948-59-0x00000000078D0000-0x00000000078DA000-memory.dmp
memory/1948-60-0x0000000007AE0000-0x0000000007B76000-memory.dmp
memory/4688-61-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/1948-62-0x0000000007A60000-0x0000000007A71000-memory.dmp
memory/1948-63-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/1948-64-0x0000000007A90000-0x0000000007A9E000-memory.dmp
memory/1948-65-0x0000000007AA0000-0x0000000007AB4000-memory.dmp
memory/1948-66-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
memory/4688-67-0x0000000005010000-0x0000000005020000-memory.dmp
memory/1948-68-0x0000000007B80000-0x0000000007B88000-memory.dmp
memory/1948-71-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/4688-72-0x0000000005010000-0x0000000005020000-memory.dmp