Analysis Overview
SHA256
30a9589a9b5fd90a0e483bae7ed159489f2e1c1eacaed50c05ca9b153e05538c
Threat Level: Known bad
The file f1dc8516af237a0593351f23bfc31128_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Neshta family
Neshta
Detect Neshta payload
Modifies system executable filetype association
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Reads user/profile data of web browsers
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
NSIS installer
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 20:30
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 20:30
Reported
2024-04-15 20:33
Platform
win10v2004-20240412-en
Max time kernel
147s
Max time network
152s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 376 wrote to memory of 3740 | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe |
| PID 376 wrote to memory of 3740 | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe |
| PID 376 wrote to memory of 3740 | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe"
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 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 163.233.34.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.193.132.51.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe
| MD5 | 51f684ffd81848224d1d92946ac9bc27 |
| SHA1 | 4b83fc6a206c44ffde03c2de5f85589b78074beb |
| SHA256 | a92ebb9f5baa83aa33a186d329eed2a2d063448432584f5bd88fd53bd44c0b3b |
| SHA512 | 657cf030444ac92eaa8531afc7e4860e1bcea6acc76c757550765d84353a9de8c86f2271e4a21450211c73a97534e04e34a2a4fc294c56b299a3bb839c0bdba5 |
C:\Users\Admin\AppData\Local\Temp\nsn66BA.tmp\System.dll
| MD5 | c17103ae9072a06da581dec998343fc1 |
| SHA1 | b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d |
| SHA256 | dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f |
| SHA512 | d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/376-103-0x0000000000400000-0x000000000041B000-memory.dmp
memory/376-104-0x0000000000400000-0x000000000041B000-memory.dmp
memory/376-105-0x0000000000400000-0x000000000041B000-memory.dmp
memory/376-106-0x0000000000400000-0x000000000041B000-memory.dmp
memory/376-107-0x0000000000400000-0x000000000041B000-memory.dmp
memory/376-108-0x0000000000400000-0x000000000041B000-memory.dmp
memory/376-110-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 20:30
Reported
2024-04-15 20:33
Platform
win7-20240221-en
Max time kernel
119s
Max time network
122s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2484 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe |
| PID 2484 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe |
| PID 2484 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe |
| PID 2484 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\f1dc8516af237a0593351f23bfc31128_JaffaCakes118.exe
| MD5 | 51f684ffd81848224d1d92946ac9bc27 |
| SHA1 | 4b83fc6a206c44ffde03c2de5f85589b78074beb |
| SHA256 | a92ebb9f5baa83aa33a186d329eed2a2d063448432584f5bd88fd53bd44c0b3b |
| SHA512 | 657cf030444ac92eaa8531afc7e4860e1bcea6acc76c757550765d84353a9de8c86f2271e4a21450211c73a97534e04e34a2a4fc294c56b299a3bb839c0bdba5 |
\Users\Admin\AppData\Local\Temp\nsd567A.tmp\System.dll
| MD5 | c17103ae9072a06da581dec998343fc1 |
| SHA1 | b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d |
| SHA256 | dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f |
| SHA512 | d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2484-89-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2484-90-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2484-91-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2484-93-0x0000000000400000-0x000000000041B000-memory.dmp