Analysis Overview
SHA256
89dd90006d6cd58559565a7ccebc2147780e2a3ae084b5d114b2077c2ae341d7
Threat Level: Known bad
The file 7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Xloader
Xloader payload
Loads dropped DLL
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Enumerates physical storage devices
NSIS installer
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-01 22:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-01 22:54
Reported
2024-04-01 22:57
Platform
win7-20240221-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
Xloader
Xloader payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1956 set thread context of 2088 | N/A | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nst1076.tmp\ygkzme.dll
| MD5 | 82ef6b004a2d1441297053109ffde16c |
| SHA1 | 1780e9780c38e5be83008d42da2da782b5f27402 |
| SHA256 | 5e4bf71710738a4f7f90457c76546979b65716b42125f2fe81153ed9fe2b96e1 |
| SHA512 | d1d7b3a038429cd0b27fbd5eb1633f6131ef68ae66f9d7dd272ca16498567b7b5e22138c5b1a91e563a617463949f3d5ab7cb7cce5a63cd1bca20f3dc5730ae2 |
memory/2088-8-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2088-10-0x00000000008F0000-0x0000000000BF3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-01 22:54
Reported
2024-04-01 22:57
Platform
win10v2004-20240226-en
Max time kernel
91s
Max time network
92s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3596 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe |
| PID 3596 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe |
| PID 3596 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ca5a6d622c55365fda10c9e9ba8ee88_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3596 -ip 3596
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 1044
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 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.134.221.88.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsy3653.tmp\ygkzme.dll
| MD5 | 82ef6b004a2d1441297053109ffde16c |
| SHA1 | 1780e9780c38e5be83008d42da2da782b5f27402 |
| SHA256 | 5e4bf71710738a4f7f90457c76546979b65716b42125f2fe81153ed9fe2b96e1 |
| SHA512 | d1d7b3a038429cd0b27fbd5eb1633f6131ef68ae66f9d7dd272ca16498567b7b5e22138c5b1a91e563a617463949f3d5ab7cb7cce5a63cd1bca20f3dc5730ae2 |
Analysis: behavioral3
Detonation Overview
Submitted
2024-04-01 22:54
Reported
2024-04-01 22:57
Platform
win7-20240221-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ygkzme.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ygkzme.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 256
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-04-01 22:54
Reported
2024-04-01 22:57
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1760 wrote to memory of 4076 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1760 wrote to memory of 4076 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1760 wrote to memory of 4076 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ygkzme.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ygkzme.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4076 -ip 4076
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 728
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 | 202.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.79.70.13.in-addr.arpa | udp |