Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
13/02/2024, 03:00
General
- Target 3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b.exe
- Size 1.0MB
- Sample240213-dhsndade5t
- SHA256 3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b
Malware Config
Extracted
-
remcos
-
P2-bin
-
84.38.132.126:61445
-
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
Rmc-ANE1CN
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 64 IoCs
- 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b.exe"C:\Users\Admin\AppData\Local\Temp\3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bZurkfs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bZurkfs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FDE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b.exe"C:\Users\Admin\AppData\Local\Temp\3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_sac0tgpb.o3g.ps1
tmp7FDE.tmp
memory/1916-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-144-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-180-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-179-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-177-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-176-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-174-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-173-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-172-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-171-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-169-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-168-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-166-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-165-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-164-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-162-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-161-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-160-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-158-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-157-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-156-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-154-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-153-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-152-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-150-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-149-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-147-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-146-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-145-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-141-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-140-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-108-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-138-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-137-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-136-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-134-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-131-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-130-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-129-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-105-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-126-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-125-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-123-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-110-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-112-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-113-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2580-58-0x0000000005DA0000-0x0000000005DEC000-memory.dmp
memory/2580-57-0x0000000005D70000-0x0000000005D8E000-memory.dmp
memory/2580-75-0x0000000073800000-0x000000007384C000-memory.dmp
memory/2580-93-0x00000000073D0000-0x00000000073EA000-memory.dmp
memory/2580-18-0x0000000004F10000-0x0000000005538000-memory.dmp
memory/2580-86-0x00000000076D0000-0x0000000007D4A000-memory.dmp
memory/2580-15-0x0000000002480000-0x00000000024B6000-memory.dmp
memory/2580-101-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/2580-17-0x0000000002430000-0x0000000002440000-memory.dmp
memory/2580-16-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/2580-91-0x00000000072C0000-0x00000000072CE000-memory.dmp
memory/2580-85-0x0000000002430000-0x0000000002440000-memory.dmp
memory/2956-10-0x000000000AAF0000-0x000000000ABB6000-memory.dmp
memory/2956-9-0x000000000AA00000-0x000000000AA0E000-memory.dmp
memory/2956-8-0x000000000A9F0000-0x000000000A9FA000-memory.dmp
memory/2956-7-0x000000000A600000-0x000000000A614000-memory.dmp
memory/2956-2-0x00000000080D0000-0x0000000008674000-memory.dmp
memory/2956-3-0x0000000007BD0000-0x0000000007C62000-memory.dmp
memory/2956-6-0x000000000A6B0000-0x000000000A74C000-memory.dmp
memory/2956-19-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/2956-5-0x0000000003010000-0x000000000301A000-memory.dmp
memory/2956-0-0x0000000000C20000-0x0000000000D2A000-memory.dmp
memory/2956-4-0x0000000007DB0000-0x0000000007DC0000-memory.dmp
memory/2956-1-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/2956-52-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/4840-74-0x0000000007620000-0x00000000076C3000-memory.dmp
memory/4840-72-0x0000000005120000-0x0000000005130000-memory.dmp
memory/4840-26-0x0000000005FB0000-0x0000000006016000-memory.dmp
memory/4840-45-0x0000000006120000-0x0000000006474000-memory.dmp
memory/4840-90-0x0000000007B60000-0x0000000007B71000-memory.dmp
memory/4840-87-0x0000000007960000-0x000000000797A000-memory.dmp
memory/4840-25-0x0000000005E40000-0x0000000005EA6000-memory.dmp
memory/4840-24-0x0000000005660000-0x0000000005682000-memory.dmp
memory/4840-73-0x0000000005120000-0x0000000005130000-memory.dmp
memory/4840-20-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/4840-21-0x0000000005120000-0x0000000005130000-memory.dmp
memory/4840-22-0x0000000005120000-0x0000000005130000-memory.dmp
memory/4840-71-0x0000000006C40000-0x0000000006C5E000-memory.dmp
memory/4840-61-0x0000000073800000-0x000000007384C000-memory.dmp
memory/4840-60-0x0000000006C00000-0x0000000006C32000-memory.dmp
memory/4840-59-0x000000007FA70000-0x000000007FA80000-memory.dmp
memory/4840-88-0x00000000079D0000-0x00000000079DA000-memory.dmp
memory/4840-89-0x0000000007BE0000-0x0000000007C76000-memory.dmp
memory/4840-92-0x0000000007BA0000-0x0000000007BB4000-memory.dmp
memory/4840-94-0x0000000007C80000-0x0000000007C88000-memory.dmp
memory/4840-100-0x0000000074D30000-0x00000000754E0000-memory.dmp