Analysis Overview
SHA256
04b94dba59c5ac11f0b7906c7b6aaf8c5bffa1a12274b408848f068ee98aa36e
Threat Level: Shows suspicious behavior
The file 38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Loads dropped DLL
VMProtect packed file
Deletes itself
Modifies WinLogon
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-12 07:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-12 07:09
Reported
2024-05-12 07:12
Platform
win10v2004-20240508-en
Max time kernel
93s
Max time network
100s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe | N/A |
Loads dropped DLL
| 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 |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\systemp | C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\sfcos.dll | C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\sfcos.dll | C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_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 |
| 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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe"
C:\Windows\SysWOW64\sfc.exe
"C:\Windows\system32\sfc.exe" /REVERT
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c c:\del.bat
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Windows\system32\s2am.ime,Runed
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.113:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 113.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| NL | 23.62.61.113:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
Files
C:\4CA9.tmp
| MD5 | 19274b0dd9206e22301bf53fc48cfd0c |
| SHA1 | bdd1d5d153225c4df3e64ffc1410e44e0888dcd1 |
| SHA256 | c2832a8b383a4124d24b43c759d208fb0033ef100c673ae4cc2d0a849ce5d579 |
| SHA512 | 9bfbcfaee960b48e45cb98212824c0215ce912385845aed483e7bf83f3a3a7beee7097f1ea367c1411f95e9e4a34ba790875ad56f63959fab543820a111594c6 |
\??\c:\del.bat
| MD5 | a58e2bb3a1bfbc496abaae2463160eff |
| SHA1 | caf5f0c44092423f27f0dbf7787f8f60ccfacd0c |
| SHA256 | c1fb7ff7b76a50a8cd7844dd47b5ee1edb18227e8822bba10f6e258e916746c9 |
| SHA512 | f6ee6d3e2d17a7e44ad3977cb5698ae8cb72782cd94c542a3d358686f92e451452a4b0be52fd8c87cfddc4db8d4380cbad04bba5d349b65dbf3c786ffa7a96e7 |
C:\Windows\SysWOW64\sfcos.dll
| MD5 | 98c499fccb739ab23b75c0d8b98e0481 |
| SHA1 | 0ef5c464823550d5f53dd485e91dabc5d5a1ba0a |
| SHA256 | d9d8ce1b86b3978889466ab1b9f46778942d276922bf7533327a493083913087 |
| SHA512 | 9e64ac13e18ab0a518bb85b6612520645b5ab2c9a5359ced943813ba7344714999f25ba0e52240ad2d0c2fefc76552ff43173adc46334ff0b5dba171fb58e4e6 |
C:\Windows\SysWOW64\systemp
| MD5 | 802dba44441c9495d9d26f262f76185c |
| SHA1 | fd89315ee2314e4eb660d0614beddddcfec3bcac |
| SHA256 | a7acee89603310d54dd2388af538081e8f80bb818069a2c0d0a2311420f540cc |
| SHA512 | b3e6fe6ccedd48407cdfd2252ed396155a0f1d80383daf92f12ae9112440bb30d33dc04f19d84fc64b769915f78662b2e574e8f6fb2af2b2e8192d6c855ca6c4 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-12 07:09
Reported
2024-05-12 07:12
Platform
win7-20231129-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
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:\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 |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\sfcos.dll | C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\sfcos.dll | C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\systemp | C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_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 |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38e087fdb9c83b2cad8bee57db176c7a_JaffaCakes118.exe"
C:\Windows\SysWOW64\sfc.exe
"C:\Windows\system32\sfc.exe" /REVERT
C:\Windows\SysWOW64\cmd.exe
cmd /c c:\del.bat
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Windows\system32\s2am.ime,Runed
Network
Files
C:\FC9.tmp
| MD5 | 2b83bb7b93d407108c2592d73b3f5812 |
| SHA1 | 219df43503338f2bff17914f6f70c889502bc112 |
| SHA256 | 7020191cfe68d459bb2db5dc1bc04e9450bb93fed436c00707be37dd5615e125 |
| SHA512 | b893e37b8bb0d9af99f38389ce76be5a9a6b10e291a722972d8df3f97f25f2bb1c4534386439da893516c2e0b6f249add9a07a6e075376245b085e8cd3f57e8c |
C:\del.bat
| MD5 | a58e2bb3a1bfbc496abaae2463160eff |
| SHA1 | caf5f0c44092423f27f0dbf7787f8f60ccfacd0c |
| SHA256 | c1fb7ff7b76a50a8cd7844dd47b5ee1edb18227e8822bba10f6e258e916746c9 |
| SHA512 | f6ee6d3e2d17a7e44ad3977cb5698ae8cb72782cd94c542a3d358686f92e451452a4b0be52fd8c87cfddc4db8d4380cbad04bba5d349b65dbf3c786ffa7a96e7 |
C:\Windows\SysWOW64\sfcos.dll
| MD5 | 84799328d87b3091a3bdd251e1ad31f9 |
| SHA1 | 64dbbe8210049f4d762de22525a7fe4313bf99d0 |
| SHA256 | f85521215924388830dbb13580688db70b46af4c7d82d549d09086438f8d237b |
| SHA512 | 0a9401c9c687f0edca01258c7920596408934caa21e5392dbaefc222c5c021255a40ec7c114a805cdb7f5a6153ec9fa9592edcc9e45406ce5612aa4e3da6a2c4 |
C:\Windows\SysWOW64\systemp
| MD5 | 802dba44441c9495d9d26f262f76185c |
| SHA1 | fd89315ee2314e4eb660d0614beddddcfec3bcac |
| SHA256 | a7acee89603310d54dd2388af538081e8f80bb818069a2c0d0a2311420f540cc |
| SHA512 | b3e6fe6ccedd48407cdfd2252ed396155a0f1d80383daf92f12ae9112440bb30d33dc04f19d84fc64b769915f78662b2e574e8f6fb2af2b2e8192d6c855ca6c4 |