Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
18/05/2024, 01:32
General
- Target f76934a541edddd96ff55c70aff0ba2be3c7f20b1b1f96a48f6ee99daeaef220.exe
- Size 1.5MB
- Sample240518-byc7hsdh53
- SHA256 f76934a541edddd96ff55c70aff0ba2be3c7f20b1b1f96a48f6ee99daeaef220
Malware Config
Extracted
-
remcos
-
Remcoco
-
173.212.199.134:8808
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audio_folder
MicRecords
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audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
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delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-PMP82R
-
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
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- 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 16 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f76934a541edddd96ff55c70aff0ba2be3c7f20b1b1f96a48f6ee99daeaef220.exe"C:\Users\Admin\AppData\Local\Temp\f76934a541edddd96ff55c70aff0ba2be3c7f20b1b1f96a48f6ee99daeaef220.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\f76934a541edddd96ff55c70aff0ba2be3c7f20b1b1f96a48f6ee99daeaef220.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OvSlUx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OvSlUx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD35.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_0oaiwhp0.bpd.ps1
tmpBD35.tmp
memory/856-79-0x0000000007B90000-0x0000000007C26000-memory.dmp
memory/856-25-0x0000000005740000-0x0000000005762000-memory.dmp
memory/856-76-0x0000000007F50000-0x00000000085CA000-memory.dmp
memory/856-75-0x00000000075E0000-0x0000000007683000-memory.dmp
memory/856-73-0x0000000007580000-0x000000000759E000-memory.dmp
memory/856-53-0x00000000075A0000-0x00000000075D2000-memory.dmp
memory/856-54-0x0000000074FE0000-0x000000007502C000-memory.dmp
memory/856-78-0x0000000007980000-0x000000000798A000-memory.dmp
memory/856-80-0x0000000007B10000-0x0000000007B21000-memory.dmp
memory/856-83-0x0000000007B50000-0x0000000007B64000-memory.dmp
memory/856-91-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/856-29-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/856-30-0x0000000005E80000-0x0000000005EE6000-memory.dmp
memory/856-21-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/2956-64-0x0000000074FE0000-0x000000007502C000-memory.dmp
memory/2956-20-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/2956-18-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/2956-84-0x0000000007500000-0x000000000751A000-memory.dmp
memory/2956-37-0x0000000005880000-0x0000000005BD4000-memory.dmp
memory/2956-19-0x0000000005080000-0x00000000056A8000-memory.dmp
memory/2956-92-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/2956-85-0x00000000074E0000-0x00000000074E8000-memory.dmp
memory/2956-16-0x00000000048E0000-0x0000000004916000-memory.dmp
memory/2956-17-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/2956-82-0x00000000073F0000-0x00000000073FE000-memory.dmp
memory/2956-51-0x0000000005E70000-0x0000000005E8E000-memory.dmp
memory/2956-52-0x0000000005EB0000-0x0000000005EFC000-memory.dmp
memory/2956-77-0x00000000071C0000-0x00000000071DA000-memory.dmp
memory/3524-50-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/3524-9-0x0000000009380000-0x000000000941C000-memory.dmp
memory/3524-8-0x0000000006CE0000-0x0000000006DA0000-memory.dmp
memory/3524-7-0x00000000059A0000-0x00000000059B0000-memory.dmp
memory/3524-6-0x0000000005770000-0x000000000578E000-memory.dmp
memory/3524-10-0x000000007475E000-0x000000007475F000-memory.dmp
memory/3524-4-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/3524-5-0x0000000005610000-0x000000000561A000-memory.dmp
memory/3524-3-0x0000000005570000-0x0000000005602000-memory.dmp
memory/3524-2-0x0000000005A80000-0x0000000006024000-memory.dmp
memory/3524-11-0x0000000074750000-0x0000000074F00000-memory.dmp
memory/3524-1-0x0000000000B20000-0x0000000000C9C000-memory.dmp
memory/3524-0-0x000000007475E000-0x000000007475F000-memory.dmp
memory/4804-97-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-93-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-96-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-98-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-99-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-100-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-104-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-105-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-108-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-110-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-112-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-113-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-116-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-120-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-123-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-124-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-125-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-126-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-128-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-129-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-130-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-131-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-132-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-133-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-134-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-135-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-136-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-137-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-138-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-139-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-140-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-141-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-142-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-143-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-144-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-145-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-146-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-147-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-148-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-149-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-150-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4804-151-0x0000000000400000-0x0000000000482000-memory.dmp