Analysis
- max time kernel
152s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/04/2024, 02:39
General
- Target e3ded559a419a2ffadc6d56fa4884a6f_JaffaCakes118.exe
- Size 1.1MB
- Sample240407-c5p1bsbd97
- SHA256 5d94b24f251b4fd9b9a59a3d60b86512528add9c95a880d8e32e76b1f54b8eea
Malware Config
Extracted
-
remcos
-
3.3.0 Pro
-
RemoteHost
-
172.111.234.10:8088
-
audio_folder
MicRecords
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-ANDQBQ
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
-
take_screenshot_title
notepad;solitaire;
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e3ded559a419a2ffadc6d56fa4884a6f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e3ded559a419a2ffadc6d56fa4884a6f_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XeTozECCRX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C94.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp4C94.tmp
memory/4792-19-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-21-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-26-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-25-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-24-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-23-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-22-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-10-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-11-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-17-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-20-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-16-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-13-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4792-18-0x0000000000400000-0x0000000000479000-memory.dmp
memory/5056-0-0x0000000074680000-0x0000000074C31000-memory.dmp
memory/5056-2-0x0000000000BF0000-0x0000000000C00000-memory.dmp
memory/5056-15-0x0000000074680000-0x0000000074C31000-memory.dmp
memory/5056-1-0x0000000074680000-0x0000000074C31000-memory.dmp
memory/5056-6-0x0000000000BF0000-0x0000000000C00000-memory.dmp
memory/5056-5-0x0000000000BF0000-0x0000000000C00000-memory.dmp
memory/5056-4-0x0000000074680000-0x0000000074C31000-memory.dmp
memory/5056-3-0x0000000074680000-0x0000000074C31000-memory.dmp