Analysis
- max time kernel
117s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/11/2022, 23:18
General
- Target image2021042GFREDS12322ERDQ1DOC03027382DOC202205.exe
- Size 999KB
- Sample221107-299b7secb3
- SHA256 da7ce792ea58fe4b0920be78435d44fef2ef1025cfac8abb0b43a9878d26c6c3
Malware Config
Extracted
-
remcos
-
BACK-UP-DOMAIN
-
www.arkern-tr.com:2404
-
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
Rec
-
mouse_option
false
-
mutex
Rmc-W3LVOT
-
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
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 63 IoCs
- Blocklisted process makes network request 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\image2021042GFREDS12322ERDQ1DOC03027382DOC202205.exe"C:\Users\Admin\AppData\Local\Temp\image2021042GFREDS12322ERDQ1DOC03027382DOC202205.exe"1⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\wscript.exeC:\Windows\System32\wscript.exe2⤵
- Blocklisted process makes network request
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4280-333-0x0000000010590000-0x000000001060E000-memory.dmp
memory/4280-334-0x0000000000400000-0x000000000047B000-memory.dmp
memory/4280-335-0x0000000000400000-0x000000000047B000-memory.dmp
memory/4964-132-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-134-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-135-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-136-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-137-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-138-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-139-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-140-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-141-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-142-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-143-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-144-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-145-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-146-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-147-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-148-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-150-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-149-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-152-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-151-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-153-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-154-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-155-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-158-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-157-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-156-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-159-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-160-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-161-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-162-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-163-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-164-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-165-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-166-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-167-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-168-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-169-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-170-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-171-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-172-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-173-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-174-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-175-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-176-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-177-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-178-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-179-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-180-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-181-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-182-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-183-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-184-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-185-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-186-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-187-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-188-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-189-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-190-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-191-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-192-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-193-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-194-0x00000000021B0000-0x00000000021DB000-memory.dmp
memory/4964-195-0x00000000021B0000-0x00000000021DB000-memory.dmp