Analysis Overview
SHA256
676fe2646ff710578e7597e7876a7bac3f9189b044bd74c09d01a5cc8643d4e3
Threat Level: Known bad
The file 1ae326db57b33cc93e2b1b99b9e552ab_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Executes dropped EXE
Checks computer location settings
Checks whether UAC is enabled
AutoIT Executable
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-06 05:01
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
2024-05-06 05:01
Reported
2024-05-06 05:03
Platform
win7-20240221-en
Max time kernel
147s
Max time network
152s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\windows\Regsm001.exe | N/A |
| N/A | N/A | C:\Users\Admin\windows\Regsm001.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 2812 set thread context of 3064 | N/A | C:\Users\Admin\AppData\Local\Temp\1ae326db57b33cc93e2b1b99b9e552ab_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 680 set thread context of 1920 | N/A | C:\Users\Admin\windows\Regsm001.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 940 set thread context of 2676 | N/A | C:\Users\Admin\windows\Regsm001.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
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\1ae326db57b33cc93e2b1b99b9e552ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1ae326db57b33cc93e2b1b99b9e552ab_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn Regsm001 /tr "C:\Users\Admin\windows\Regsm001.exe" /sc minute /mo 1 /F
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\tmpE060.tmp"
C:\Windows\system32\taskeng.exe
taskeng.exe {3A847D2B-00B1-4C64-B155-35031B1BD3B7} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
C:\Users\Admin\windows\Regsm001.exe
C:\Users\Admin\windows\Regsm001.exe
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn Regsm001 /tr "C:\Users\Admin\windows\Regsm001.exe" /sc minute /mo 1 /F
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Users\Admin\windows\Regsm001.exe
C:\Users\Admin\windows\Regsm001.exe
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn Regsm001 /tr "C:\Users\Admin\windows\Regsm001.exe" /sc minute /mo 1 /F
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
Files
memory/2812-1-0x0000000000220000-0x0000000000221000-memory.dmp
memory/3064-3-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3064-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3064-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3064-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3064-2-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpE060.tmp
| MD5 | c6f0625bf4c1cdfb699980c9243d3b22 |
| SHA1 | 43de1fe580576935516327f17b5da0c656c72851 |
| SHA256 | 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576 |
| SHA512 | 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969 |
C:\Users\Admin\windows\Regsm001.exe
| MD5 | 1ae326db57b33cc93e2b1b99b9e552ab |
| SHA1 | 658f48da751b7e1f6e23b7b70ceee2b6a2f3c1aa |
| SHA256 | 676fe2646ff710578e7597e7876a7bac3f9189b044bd74c09d01a5cc8643d4e3 |
| SHA512 | a4c4db0a1d31e307f138415f6c946e21909ea23c11ee1db60d128ee1d49df8340f9d9c0b40650a3a8bf92c7423e7c694ebe4da5526d4d86d1c72bc9eb36c511f |
memory/1920-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2676-31-0x0000000000090000-0x00000000000C8000-memory.dmp
memory/2676-37-0x0000000000090000-0x00000000000C8000-memory.dmp
memory/2676-36-0x0000000000090000-0x00000000000C8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-06 05:01
Reported
2024-05-06 05:03
Platform
win10v2004-20240419-en
Max time kernel
145s
Max time network
136s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1ae326db57b33cc93e2b1b99b9e552ab_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\windows\Regsm001.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\windows\Regsm001.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\windows\Regsm001.exe | N/A |
| N/A | N/A | C:\Users\Admin\windows\Regsm001.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 4092 set thread context of 2612 | N/A | C:\Users\Admin\AppData\Local\Temp\1ae326db57b33cc93e2b1b99b9e552ab_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1260 set thread context of 2788 | N/A | C:\Users\Admin\windows\Regsm001.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 2424 set thread context of 3880 | N/A | C:\Users\Admin\windows\Regsm001.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
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\1ae326db57b33cc93e2b1b99b9e552ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1ae326db57b33cc93e2b1b99b9e552ab_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn Regsm001 /tr "C:\Users\Admin\windows\Regsm001.exe" /sc minute /mo 1 /F
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 "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9A4C.tmp"
C:\Users\Admin\windows\Regsm001.exe
C:\Users\Admin\windows\Regsm001.exe
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn Regsm001 /tr "C:\Users\Admin\windows\Regsm001.exe" /sc minute /mo 1 /F
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Users\Admin\windows\Regsm001.exe
C:\Users\Admin\windows\Regsm001.exe
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn Regsm001 /tr "C:\Users\Admin\windows\Regsm001.exe" /sc minute /mo 1 /F
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | 25.69.169.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 51.15.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | 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 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| US | 8.8.8.8:53 | mybackups.duckdns.org | udp |
| US | 192.169.69.25:4782 | mybackups.duckdns.org | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp |
Files
memory/4092-1-0x00000000011A0000-0x00000000011A1000-memory.dmp
memory/2612-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2612-7-0x00000000754F2000-0x00000000754F3000-memory.dmp
memory/2612-8-0x00000000754F0000-0x0000000075AA1000-memory.dmp
memory/2612-9-0x00000000754F0000-0x0000000075AA1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp9A4C.tmp
| MD5 | c6f0625bf4c1cdfb699980c9243d3b22 |
| SHA1 | 43de1fe580576935516327f17b5da0c656c72851 |
| SHA256 | 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576 |
| SHA512 | 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969 |
memory/2612-14-0x00000000754F2000-0x00000000754F3000-memory.dmp
memory/2612-15-0x00000000754F0000-0x0000000075AA1000-memory.dmp
C:\Users\Admin\windows\Regsm001.exe
| MD5 | 1ae326db57b33cc93e2b1b99b9e552ab |
| SHA1 | 658f48da751b7e1f6e23b7b70ceee2b6a2f3c1aa |
| SHA256 | 676fe2646ff710578e7597e7876a7bac3f9189b044bd74c09d01a5cc8643d4e3 |
| SHA512 | a4c4db0a1d31e307f138415f6c946e21909ea23c11ee1db60d128ee1d49df8340f9d9c0b40650a3a8bf92c7423e7c694ebe4da5526d4d86d1c72bc9eb36c511f |
memory/2788-18-0x00000000003C0000-0x00000000003F8000-memory.dmp
memory/3880-25-0x00000000001C0000-0x00000000001F8000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RegAsm.exe.log
| MD5 | 5b4789d01bb4d7483b71e1a35bce6a8b |
| SHA1 | de083f2131c9a763c0d1810c97a38732146cffbf |
| SHA256 | e248cef9500ed6e0c9f99d72a2a6a36955a5f0cfc0725748ef25a733cc8282f6 |
| SHA512 | 357e18ef30430e4b9cc4f2569b9735b1cd12f934c83162e4de78ac29ba9703b63ddb624ccc22afd5a5868f6e9d91a3c64581846abac22e9625f5b2e3d80b3ede |