Analysis Overview
SHA256
2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470
Threat Level: Known bad
The file 5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Neshta family
Detect Neshta payload
Neshta
Modifies system executable filetype association
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Executes dropped EXE
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
NSIS installer
Suspicious behavior: GetForegroundWindowSpam
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-19 17:40
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: behavioral1
Detonation Overview
Submitted
2024-05-19 17:40
Reported
2024-05-19 17:43
Platform
win7-20240221-en
Max time kernel
118s
Max time network
119s
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 |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe | N/A |
Loads dropped DLL
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\5aa2a8dc9e3931209d846bb125a2bc9e_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\5aa2a8dc9e3931209d846bb125a2bc9e_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\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe
| MD5 | c5529d1faaf3cfd9899ac66280c7ddea |
| SHA1 | 46c253e0e187333ffab992f4cb83f5405ff0e44f |
| SHA256 | a9e0880e266c102b010f1d94716cc45b2d3c07c985abb9bd035a57dcda9a2f50 |
| SHA512 | 6fe6c2055554f763285ef09ad207947194aea54708e6ec24cb7066de2ac2f98912bb64f94f681d1b1414908ff594d3dccdcc56c5317e2e37af798170151c2d0d |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
C:\Users\Admin\AppData\Local\Temp\nsiD79.tmp\ioSpecial.ini
| MD5 | 070ab07b8eb7384034323a1ae8cba506 |
| SHA1 | 1020558fdea9f98ae18dc1d0fad0d04804e80810 |
| SHA256 | 1fd70237a2f1aa51d333242feb954cb7d1ea88d2565be1b50236805f89f25b89 |
| SHA512 | adc8843cccd70729190e9dbc887f19186d971e0b9d2e7ac16d8aaf044ec2bac028c6852c2a85af81f3f74dd3faa646e36eda8de16122ae9d86ac062fdd57a158 |
\Users\Admin\AppData\Local\Temp\nsiD79.tmp\InstallOptions.dll
| MD5 | 325b008aec81e5aaa57096f05d4212b5 |
| SHA1 | 27a2d89747a20305b6518438eff5b9f57f7df5c3 |
| SHA256 | c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b |
| SHA512 | 18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2276-172-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-19 17:40
Reported
2024-05-19 17:43
Platform
win10v2004-20240508-en
Max time kernel
137s
Max time network
101s
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 |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.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\5aa2a8dc9e3931209d846bb125a2bc9e_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\5aa2a8dc9e3931209d846bb125a2bc9e_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\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 2.17.107.99:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| BE | 2.17.107.99:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 99.107.17.2.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\5aa2a8dc9e3931209d846bb125a2bc9e_JaffaCakes118.exe
| MD5 | c5529d1faaf3cfd9899ac66280c7ddea |
| SHA1 | 46c253e0e187333ffab992f4cb83f5405ff0e44f |
| SHA256 | a9e0880e266c102b010f1d94716cc45b2d3c07c985abb9bd035a57dcda9a2f50 |
| SHA512 | 6fe6c2055554f763285ef09ad207947194aea54708e6ec24cb7066de2ac2f98912bb64f94f681d1b1414908ff594d3dccdcc56c5317e2e37af798170151c2d0d |
C:\Users\Admin\AppData\Local\Temp\nsl4874.tmp\ioSpecial.ini
| MD5 | 7ffb85433a5fd16a952558f5cfd3eaec |
| SHA1 | b8940f0649eae0b82a63f91457deedb9908396e9 |
| SHA256 | 487ccfc14341bf150d6a29368e83fb05212b1831917b0d496938b36641f22864 |
| SHA512 | 5d718407b466e5b6d8744aacb4a68775e96b39c2c3bb52727df89a19796570d0be01cbde71daa29e723c46e75a803a9de46999a713347f1e2fe2844103c554b6 |
C:\Users\Admin\AppData\Local\Temp\nsl4874.tmp\InstallOptions.dll
| MD5 | 325b008aec81e5aaa57096f05d4212b5 |
| SHA1 | 27a2d89747a20305b6518438eff5b9f57f7df5c3 |
| SHA256 | c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b |
| SHA512 | 18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/3472-175-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3472-177-0x0000000000400000-0x000000000041B000-memory.dmp