Analysis Overview
SHA256
74415173fef1195daf0e6647e5e4e8817cfaecf72cb5f96707936bd175405b27
Threat Level: Known bad
The file 6df4494a3c094d82b3ce994b49349e6d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
AutoIT Executable
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-24 08:54
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-24 08:54
Reported
2024-05-24 08:57
Platform
win7-20240221-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe | 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\v2.0.50727\RegAsm.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2312 set thread context of 2360 | N/A | C:\Users\Admin\AppData\Local\Temp\Scan00223.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1488 set thread context of 944 | N/A | C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\DDP Service\ddpsv.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File created | C:\Program Files (x86)\DDP Service\ddpsv.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Scan00223.exe
"C:\Users\Admin\AppData\Local\Temp\Scan00223.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1B1F.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1CD5.tmp"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn BluetoothDesktopHandlers /tr "C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe" /sc minute /mo 1 /F
C:\Windows\system32\taskeng.exe
taskeng.exe {CDEBB6C7-A897-47F4-B4E2-A54256557102} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn BluetoothDesktopHandlers /tr "C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe" /sc minute /mo 1 /F
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
Network
| Country | Destination | Domain | Proto |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp |
Files
memory/2312-0-0x0000000000160000-0x0000000000161000-memory.dmp
memory/2360-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2360-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2360-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2360-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2360-1-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2360-10-0x0000000074882000-0x0000000074884000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1B1F.tmp
| MD5 | c6f0625bf4c1cdfb699980c9243d3b22 |
| SHA1 | 43de1fe580576935516327f17b5da0c656c72851 |
| SHA256 | 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576 |
| SHA512 | 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969 |
C:\Users\Admin\AppData\Local\Temp\tmp1CD5.tmp
| MD5 | 93d357e6194c8eb8d0616a9f592cc4bf |
| SHA1 | 5cc3a3d95d82cb88f65cb6dc6c188595fa272808 |
| SHA256 | a18de0ef2102d2546c7afd07ad1d7a071a0e59aff0868cf3937a145f24feb713 |
| SHA512 | 4df079387f6a76e0deb96ab4c11f6cffa62a8b42dc4970e885dab10351fade2d9e933663c141b76409657f85f1bf9dbb533d92dce52dc62598aafc4793743f7f |
memory/2360-20-0x0000000074882000-0x0000000074884000-memory.dmp
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
| MD5 | 2d8240cb5dab77a8eb22dfa6cbb76902 |
| SHA1 | 56ba9bea4d132fe435d2150394838cdf1da0159f |
| SHA256 | d9dd2e26fedcd96cfd17222ffedd5bda869150c6f8d43cfafe7beae53f1223b7 |
| SHA512 | ffb34a282ee2586bbc6d18b186fa78ef0d02e156d69b623609c6dd9a86c961dbebb74dbffc985af108b00f3aaf0ba7fa2f4821edd71a8bdd62e16f8eabcd0199 |
memory/944-25-0x0000000000090000-0x00000000000C8000-memory.dmp
memory/944-32-0x0000000000090000-0x00000000000C8000-memory.dmp
memory/944-31-0x0000000000090000-0x00000000000C8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-24 08:54
Reported
2024-05-24 08:57
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Scan00223.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2712 set thread context of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\Scan00223.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 4788 set thread context of 4216 | N/A | C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DPI Subsystem\dpiss.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DPI Subsystem\dpiss.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Scan00223.exe
"C:\Users\Admin\AppData\Local\Temp\Scan00223.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpECC1.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpED20.tmp"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn BluetoothDesktopHandlers /tr "C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe" /sc minute /mo 1 /F
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn BluetoothDesktopHandlers /tr "C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe" /sc minute /mo 1 /F
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 75.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.251.17.2.in-addr.arpa | udp |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| GB | 185.244.31.187:3000 | tcp | |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | 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 | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp | |
| GB | 185.244.31.187:3000 | tcp |
Files
memory/2712-0-0x00000000010D0000-0x00000000010D1000-memory.dmp
memory/2244-1-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2244-6-0x0000000073882000-0x0000000073883000-memory.dmp
memory/2244-7-0x0000000073880000-0x0000000073E31000-memory.dmp
memory/2244-8-0x0000000073880000-0x0000000073E31000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpECC1.tmp
| MD5 | c6f0625bf4c1cdfb699980c9243d3b22 |
| SHA1 | 43de1fe580576935516327f17b5da0c656c72851 |
| SHA256 | 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576 |
| SHA512 | 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969 |
C:\Users\Admin\AppData\Local\Temp\tmpED20.tmp
| MD5 | 5fea24e883e06e4df6d240dc72abf2c5 |
| SHA1 | d778bf0f436141e02df4b421e8188abdcc9a84a4 |
| SHA256 | e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66 |
| SHA512 | 15afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924 |
memory/2244-18-0x0000000073882000-0x0000000073883000-memory.dmp
memory/2244-19-0x0000000073880000-0x0000000073E31000-memory.dmp
C:\Users\Admin\AppData\Roaming\cleanmgr\BrowserSettingSync.exe
| MD5 | a90fbc8481d48550684ab4b68871808a |
| SHA1 | 66e6cb6988cf465ab10076528e6d3f0a4a8bcf37 |
| SHA256 | c9e17403c588fa8eb5a11bcd34eb510244a482e27ee44db3168c8c0155efd970 |
| SHA512 | 09770ae83453970da3dfc24f2929b8d922fbe988fecea53acd16ce4aba9303ed39a381614656e62e572b3fa0c5c9e0132f14d2675ad4816230cb3ccd7f1e8c4a |