Analysis Overview
SHA256
5209bba177a2075a6c5b1d65906344208405d997f9cab2371b47276d020df858
Threat Level: Known bad
The file 4cc6941db410630d3d300a6093932339_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
LimeRAT
Executes dropped EXE
Checks computer location settings
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
Suspicious use of SetThreadContext
AutoIT Executable
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-16 19:51
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
2024-05-16 19:51
Reported
2024-05-16 19:54
Platform
win7-20240221-en
Max time kernel
145s
Max time network
149s
Command Line
Signatures
LimeRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\secinit\sdchange.exe | N/A |
| N/A | N/A | C:\Users\Admin\secinit\sdchange.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | 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 1932 set thread context of 2488 | N/A | C:\Users\Admin\AppData\Local\Temp\4cc6941db410630d3d300a6093932339_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 860 set thread context of 1228 | N/A | C:\Users\Admin\secinit\sdchange.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1836 set thread context of 1488 | N/A | C:\Users\Admin\secinit\sdchange.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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| 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\4cc6941db410630d3d300a6093932339_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4cc6941db410630d3d300a6093932339_JaffaCakes118.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 SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
C:\Windows\system32\taskeng.exe
taskeng.exe {BA72EEC5-06E6-4947-9E5B-ED3914FA2A6D} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
C:\Users\Admin\secinit\sdchange.exe
C:\Users\Admin\secinit\sdchange.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 SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
C:\Users\Admin\secinit\sdchange.exe
C:\Users\Admin\secinit\sdchange.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 SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.4.235:443 | pastebin.com | tcp |
Files
memory/2488-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1932-8-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2488-7-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2488-6-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2488-1-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2488-0-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2488-9-0x0000000073BB2000-0x0000000073BB4000-memory.dmp
memory/2488-12-0x0000000073BB2000-0x0000000073BB4000-memory.dmp
C:\Users\Admin\secinit\sdchange.exe
| MD5 | f655537f8ea21f797a1e917715b12b88 |
| SHA1 | 62bf7a87552c8f702f3a3e10f6cb62d414c70cf7 |
| SHA256 | 1316e4d936b5bed9f0973ab963b18af71a186f7f5e4682051c234268c13d764e |
| SHA512 | b1c3c79432d8ee769d2cfef8b6ec3610d3566a060344878af47c9ef15de7bba1e73a39e1c704747f5676e08823490a13c1e39def27d0404f09e7669567090004 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-16 19:51
Reported
2024-05-16 19:54
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
LimeRAT
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\4cc6941db410630d3d300a6093932339_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\secinit\sdchange.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\secinit\sdchange.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\secinit\sdchange.exe | N/A |
| N/A | N/A | C:\Users\Admin\secinit\sdchange.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | 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 724 set thread context of 1604 | N/A | C:\Users\Admin\AppData\Local\Temp\4cc6941db410630d3d300a6093932339_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 2100 set thread context of 1500 | N/A | C:\Users\Admin\secinit\sdchange.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 4568 set thread context of 1736 | N/A | C:\Users\Admin\secinit\sdchange.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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| 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\4cc6941db410630d3d300a6093932339_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4cc6941db410630d3d300a6093932339_JaffaCakes118.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 SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
C:\Users\Admin\secinit\sdchange.exe
C:\Users\Admin\secinit\sdchange.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 SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
C:\Users\Admin\secinit\sdchange.exe
C:\Users\Admin\secinit\sdchange.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 SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| NL | 23.62.61.137:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 137.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.4.235:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | 235.4.20.104.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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| 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 | 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 | 27.73.42.20.in-addr.arpa | udp |
Files
memory/724-0-0x0000000001580000-0x0000000001581000-memory.dmp
memory/1604-1-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1604-5-0x0000000074A72000-0x0000000074A73000-memory.dmp
memory/1604-6-0x0000000074A70000-0x0000000075021000-memory.dmp
memory/1604-7-0x0000000074A70000-0x0000000075021000-memory.dmp
memory/1604-10-0x0000000074A70000-0x0000000075021000-memory.dmp
memory/1604-11-0x0000000074A72000-0x0000000074A73000-memory.dmp
memory/1604-12-0x0000000074A70000-0x0000000075021000-memory.dmp
C:\Users\Admin\secinit\sdchange.exe
| MD5 | 9bdd404ef4a9a95bcaab20e8dcb7058f |
| SHA1 | 022645b0903920954ca1fd063cbafe18ce079692 |
| SHA256 | fddd88438855577fcc856338a8d6142b81b3c481dcc32f9205a57944fedb07da |
| SHA512 | 6c993c5bb4deb291fb46d5ad263c80410f52a6c0d6158714b70398cd38426304544d436ca6cb8df5447842b30f8e57b36a4e0d38f4fd88c0136786e61c8bef12 |
memory/1736-21-0x00000000003F0000-0x00000000003FC000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RegAsm.exe.log
| MD5 | 9f893d94b017a0684012d50319c9ffbe |
| SHA1 | 140cc2cb6b2520ba4f9a1f666a5f679853472793 |
| SHA256 | 8a7cb420c82edf1bb2c7bdfef52091e5169fabaecc370e120985e91406fcbbec |
| SHA512 | 4b7df94d3622b82d852b0f532d7fd810ca2113d7b737ec417023d5b2142e9e79414a06d22647d73f8bc114f8e871a3a741a479b0aba48892f9078975ec78acba |