Analysis Overview
SHA256
a96551184842a79eba81afb733e1f2807f7e9fa286c90a183e0ab7e2805b6b97
Threat Level: Known bad
The file c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Tofsee
Deletes itself
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-27 18:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-27 18:58
Reported
2024-08-27 19:01
Platform
win7-20240708-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Tofsee
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\ysfhh.exe | N/A |
| N/A | N/A | C:\Users\Admin\ysfhh.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\ysfhh.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\ysfhh.exe\" /r" | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2984 set thread context of 476 | N/A | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe |
| PID 2936 set thread context of 2852 | N/A | C:\Users\Admin\ysfhh.exe | C:\Users\Admin\ysfhh.exe |
| PID 2852 set thread context of 2732 | N/A | C:\Users\Admin\ysfhh.exe | C:\Windows\SysWOW64\svchost.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\ysfhh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\ysfhh.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe"
C:\Users\Admin\ysfhh.exe
"C:\Users\Admin\ysfhh.exe" /r
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\3635.bat" "
C:\Users\Admin\ysfhh.exe
"C:\Users\Admin\ysfhh.exe" /r
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | microsoft.com | udp |
| NL | 20.76.201.171:80 | microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | microsoft-com.mail.protection.outlook.com | udp |
| US | 52.101.42.0:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 64.20.54.234:443 | tcp | |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta6.am0.yahoodns.net | udp |
| US | 98.136.96.74:25 | mta6.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| IE | 74.125.193.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 94.100.180.31:25 | mxs.mail.ru | tcp |
Files
memory/476-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/476-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/476-10-0x0000000000400000-0x0000000000410000-memory.dmp
memory/476-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/476-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/476-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/476-4-0x0000000000400000-0x0000000000410000-memory.dmp
memory/476-2-0x0000000000400000-0x0000000000410000-memory.dmp
\Users\Admin\ysfhh.exe
| MD5 | c58a6b85fd1ecf61086b52f3a3794a1f |
| SHA1 | ab2fcc8ed5ee1d7efdfc808a8caaf54fae5b8f5f |
| SHA256 | a96551184842a79eba81afb733e1f2807f7e9fa286c90a183e0ab7e2805b6b97 |
| SHA512 | 7693dca5c4378b2ac57fd5e71551ca7ac740c6192f364c1a2ae987bb4b8591d3167b9a79be8f7023525c3e2335d78286331a096a70946881a301065ce69486ba |
C:\Users\Admin\AppData\Local\Temp\3635.bat
| MD5 | a25a0f78cb3d73ef5c90e05882c493ee |
| SHA1 | 42561ddfcdc4a96c6e70cdd23a05e9a69ad44a5d |
| SHA256 | 2e17919ff27dd4793124cfad08c1f31db7f664339a2ba6d17fda22dad67f59eb |
| SHA512 | 395364e9bc052eac8828e33b79acec1c2ee9e47ebaa599d021269dd0b41007976da531e9922e7fb60a156b5e1547f3c501fc0c2f48dcaa7f6c1da95c899591a3 |
memory/476-32-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2852-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2852-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2732-51-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2732-53-0x0000000000080000-0x0000000000090000-memory.dmp
memory/2732-58-0x0000000000080000-0x0000000000090000-memory.dmp
memory/2732-60-0x0000000000080000-0x0000000000090000-memory.dmp
memory/2732-63-0x0000000000080000-0x0000000000090000-memory.dmp
memory/2732-64-0x0000000000080000-0x0000000000090000-memory.dmp
memory/2732-65-0x0000000000080000-0x0000000000090000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-27 18:58
Reported
2024-08-27 19:01
Platform
win10v2004-20240802-en
Max time kernel
135s
Max time network
109s
Command Line
Signatures
Tofsee
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\lgxdta.exe | N/A |
| N/A | N/A | C:\Users\Admin\lgxdta.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\lgxdta.exe\" /r" | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3956 set thread context of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe |
| PID 3604 set thread context of 1088 | N/A | C:\Users\Admin\lgxdta.exe | C:\Users\Admin\lgxdta.exe |
| PID 1088 set thread context of 3064 | N/A | C:\Users\Admin\lgxdta.exe | C:\Windows\SysWOW64\svchost.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\lgxdta.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\lgxdta.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c58a6b85fd1ecf61086b52f3a3794a1f_JaffaCakes118.exe"
C:\Users\Admin\lgxdta.exe
"C:\Users\Admin\lgxdta.exe" /r
C:\Users\Admin\lgxdta.exe
"C:\Users\Admin\lgxdta.exe" /r
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3064 -ip 3064
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1306.bat" "
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 320
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 20.231.239.246:80 | microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft.com | udp |
| US | 8.8.8.8:53 | microsoft-com.mail.protection.outlook.com | udp |
| US | 52.101.8.49:25 | microsoft-com.mail.protection.outlook.com | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 42.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 246.239.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 64.20.54.234:443 | tcp | |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yahoo.com | udp |
| US | 8.8.8.8:53 | mta5.am0.yahoodns.net | udp |
| US | 67.195.228.111:25 | mta5.am0.yahoodns.net | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | smtp.google.com | udp |
| IE | 172.253.116.26:25 | smtp.google.com | tcp |
| US | 8.8.8.8:53 | mail.ru | udp |
| US | 8.8.8.8:53 | mxs.mail.ru | udp |
| RU | 217.69.139.150:25 | mxs.mail.ru | tcp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
memory/2408-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2408-2-0x0000000000400000-0x0000000000410000-memory.dmp
C:\Users\Admin\lgxdta.exe
| MD5 | c58a6b85fd1ecf61086b52f3a3794a1f |
| SHA1 | ab2fcc8ed5ee1d7efdfc808a8caaf54fae5b8f5f |
| SHA256 | a96551184842a79eba81afb733e1f2807f7e9fa286c90a183e0ab7e2805b6b97 |
| SHA512 | 7693dca5c4378b2ac57fd5e71551ca7ac740c6192f364c1a2ae987bb4b8591d3167b9a79be8f7023525c3e2335d78286331a096a70946881a301065ce69486ba |
memory/3064-20-0x00000000003E0000-0x00000000003F0000-memory.dmp
memory/1088-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3064-13-0x00000000003E0000-0x00000000003F0000-memory.dmp
memory/2408-24-0x0000000000400000-0x0000000000410000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\1306.bat
| MD5 | a25a0f78cb3d73ef5c90e05882c493ee |
| SHA1 | 42561ddfcdc4a96c6e70cdd23a05e9a69ad44a5d |
| SHA256 | 2e17919ff27dd4793124cfad08c1f31db7f664339a2ba6d17fda22dad67f59eb |
| SHA512 | 395364e9bc052eac8828e33b79acec1c2ee9e47ebaa599d021269dd0b41007976da531e9922e7fb60a156b5e1547f3c501fc0c2f48dcaa7f6c1da95c899591a3 |
memory/3064-28-0x0000000000780000-0x0000000000781000-memory.dmp
memory/3064-27-0x00000000003E0000-0x00000000003F0000-memory.dmp
memory/3064-29-0x00000000003E0000-0x00000000003F0000-memory.dmp
memory/3064-30-0x00000000003E0000-0x00000000003F0000-memory.dmp