Analysis
- max time kernel
151s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
11/11/2023, 07:31
General
- Target 1001520SAForm_YI.exe
- Size 1.4MB
- Sample231111-jcc9dscd9v
- SHA256 448a8114208fbb7d2e83c81d59bc262d6857937ec0bceeebda75ad978265b5dc
Malware Config
Extracted
-
remcos
-
RemoteHost
-
vodahelp.myvnc.com:2255
-
audio_folder
MicRecords
-
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
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
kjuiytfvhbjhuyhih875rdctyh-9Y8U9Y
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Remcos
Remcos is a closed-source remote control and surveillance software.
- ModiLoader Second Stage 1 IoCs
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1001520SAForm_YI.exe"C:\Users\Admin\AppData\Local\Temp\1001520SAForm_YI.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Public\Libraries\edkofrbU.pifC:\Users\Public\Libraries\edkofrbU.pif2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
edkofrbU.pif
edkofrbU.pif
memory/2232-2-0x0000000000400000-0x0000000000576000-memory.dmp
memory/2232-3-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2232-4-0x00000000029F0000-0x000000000894F000-memory.dmp
memory/2232-5-0x0000000000400000-0x0000000000576000-memory.dmp
memory/2232-6-0x0000000000400000-0x0000000000576000-memory.dmp
memory/2232-7-0x00000000029F0000-0x000000000894F000-memory.dmp
memory/2232-9-0x0000000000400000-0x0000000000576000-memory.dmp
memory/2232-10-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2232-0-0x0000000000400000-0x0000000000576000-memory.dmp
memory/3604-23-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-31-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-21-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-17-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-25-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-26-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-27-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-28-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-29-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-20-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3604-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3604-34-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-35-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3604-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3604-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3604-39-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-40-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3604-41-0x0000000000400000-0x0000000000482000-memory.dmp