Analysis Overview
SHA256
c3d5cfa19bb7af77abe161135bd85506171d67dca3f86fa6a68340d05e203f64
Threat Level: Known bad
The file 8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Remcos
Core1 .NET packer
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-11 11:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-11 11:01
Reported
2024-08-11 11:04
Platform
win7-20240704-en
Max time kernel
149s
Max time network
120s
Command Line
Signatures
Remcos
Core1 .NET packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\file.exe = "C:\\Users\\Admin\\AppData\\Roaming\\file\\file.exe" | C:\Users\Admin\AppData\Local\Temp\8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3004 set thread context of 3000 | N/A | C:\Users\Admin\AppData\Local\Temp\8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118.exe | C:\Windows\SysWow64\svchost.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWow64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118.exe"
C:\Windows\SysWow64\svchost.exe
"C:\\Windows\\SysWow64\\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
Files
memory/3004-0-0x000007FEF6033000-0x000007FEF6034000-memory.dmp
memory/3004-1-0x000000013F690000-0x000000013F7E6000-memory.dmp
memory/3004-2-0x000000001C4E0000-0x000000001C5C6000-memory.dmp
memory/3004-3-0x000000001B750000-0x000000001B7C8000-memory.dmp
memory/3004-4-0x00000000020A0000-0x00000000020B6000-memory.dmp
memory/3004-5-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp
memory/3004-6-0x00000000020C0000-0x00000000020C4000-memory.dmp
memory/3000-7-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-14-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-18-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3000-13-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-11-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-12-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-10-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-9-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-8-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-16-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-23-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-19-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3000-22-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3004-25-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp
memory/3000-28-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Roaming\remcos\logs.dat
| MD5 | 43e910c093f7380a398764b141a2299e |
| SHA1 | 33fc479f6930fbff47737f1b0984426e17064919 |
| SHA256 | 08a8822ccb8ae24656bb39cd097748a89b1dd493a731aec609a85968a45b5a0c |
| SHA512 | f0a766206f322ed29983de4f202ae1945a5e1408504cd1026b1c1805a375c00be97a2ecdb600fd8bed263a8561fd81d802a098fe047dfaae37df3933f7c234e2 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-11 11:01
Reported
2024-08-11 11:04
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Remcos
Core1 .NET packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\file.exe = "C:\\Users\\Admin\\AppData\\Roaming\\file\\file.exe" | C:\Users\Admin\AppData\Local\Temp\8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1204 set thread context of 4480 | N/A | C:\Users\Admin\AppData\Local\Temp\8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118.exe | C:\Windows\SysWow64\svchost.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWow64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8a1c35a1197ef463e625f84cf4042c00_JaffaCakes118.exe"
C:\Windows\SysWow64\svchost.exe
"C:\\Windows\\SysWow64\\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | 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 |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyyown.kozow.com | udp |
| US | 8.8.8.8:53 | talkmyown.kozow.com | udp |
Files
memory/1204-0-0x00007FF850B83000-0x00007FF850B85000-memory.dmp
memory/1204-1-0x0000000000EE0000-0x0000000001036000-memory.dmp
memory/1204-2-0x000000001E0D0000-0x000000001E1B6000-memory.dmp
memory/1204-3-0x0000000001B10000-0x0000000001B88000-memory.dmp
memory/1204-4-0x00000000018F0000-0x0000000001906000-memory.dmp
memory/1204-5-0x0000000001920000-0x0000000001924000-memory.dmp
memory/1204-6-0x00007FF850B80000-0x00007FF851641000-memory.dmp
memory/4480-7-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4480-10-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4480-11-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4480-12-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4480-15-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4480-16-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1204-17-0x00007FF850B80000-0x00007FF851641000-memory.dmp
memory/4480-20-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Roaming\remcos\logs.dat
| MD5 | 43e910c093f7380a398764b141a2299e |
| SHA1 | 33fc479f6930fbff47737f1b0984426e17064919 |
| SHA256 | 08a8822ccb8ae24656bb39cd097748a89b1dd493a731aec609a85968a45b5a0c |
| SHA512 | f0a766206f322ed29983de4f202ae1945a5e1408504cd1026b1c1805a375c00be97a2ecdb600fd8bed263a8561fd81d802a098fe047dfaae37df3933f7c234e2 |