Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/04/2024, 01:27
General
- Target Purchase Order Specifications 2024.exe
- Size 891KB
- Sample240407-bvgershb91
- SHA256 f486a970c3228b346008eb169500d373560ea047084818b77357ba68bfa960af
Malware Config
Extracted
-
remcos
-
RemoteHost
-
paygateme.net:2286
-
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-WTDTSU
-
screenshot_crypt
true
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
1
-
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) 25 IoCs
- Detects executables built or packed with MPress PE compressor 18 IoCs
- Detects executables packed with SmartAssembly 2 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
- NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
- Nirsoft 7 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 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 15 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 33 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.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\Roaming\FCsxaE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FCsxaE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94AE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dlmpqwrhd"3⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dlmpqwrhd"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\ofrijpbbrjztq"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications 2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qhwbjhmcnrryspjd"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
__PSScriptPolicyTest_5rgeqqhr.keo.ps1
dlmpqwrhd
tmp94AE.tmp
memory/1832-4-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/1832-5-0x0000000004D40000-0x0000000004D4A000-memory.dmp
memory/1832-6-0x0000000004E80000-0x0000000004E90000-memory.dmp
memory/1832-7-0x0000000004EA0000-0x0000000004EAC000-memory.dmp
memory/1832-8-0x0000000006150000-0x0000000006210000-memory.dmp
memory/1832-9-0x0000000008AA0000-0x0000000008B3C000-memory.dmp
memory/1832-38-0x0000000074880000-0x0000000075030000-memory.dmp
memory/1832-15-0x0000000074880000-0x0000000075030000-memory.dmp
memory/1832-21-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/1832-3-0x0000000004C90000-0x0000000004D22000-memory.dmp
memory/1832-2-0x0000000005340000-0x00000000058E4000-memory.dmp
memory/1832-0-0x00000000001D0000-0x00000000002B6000-memory.dmp
memory/1832-1-0x0000000074880000-0x0000000075030000-memory.dmp
memory/2828-88-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2828-99-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2828-96-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2828-92-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3172-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-113-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3172-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-126-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-125-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-123-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3172-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-134-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-116-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-115-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3172-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-114-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3172-110-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3172-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-135-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-142-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-143-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-151-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-152-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-86-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-85-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-83-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3172-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4396-98-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4396-108-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4396-95-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4396-91-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4396-87-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4796-42-0x0000000005E00000-0x0000000005E66000-memory.dmp
memory/4796-51-0x0000000007310000-0x0000000007342000-memory.dmp
memory/4796-73-0x00000000079A0000-0x00000000079BA000-memory.dmp
memory/4796-69-0x00000000078E0000-0x0000000007976000-memory.dmp
memory/4796-68-0x00000000076D0000-0x00000000076DA000-memory.dmp
memory/4796-72-0x00000000078A0000-0x00000000078B4000-memory.dmp
memory/4796-67-0x0000000007660000-0x000000000767A000-memory.dmp
memory/4796-74-0x0000000007980000-0x0000000007988000-memory.dmp
memory/4796-65-0x0000000007550000-0x00000000075F3000-memory.dmp
memory/4796-66-0x0000000007CA0000-0x000000000831A000-memory.dmp
memory/4796-14-0x0000000002A10000-0x0000000002A46000-memory.dmp
memory/4796-63-0x0000000004F90000-0x0000000004FA0000-memory.dmp
memory/4796-17-0x0000000004F90000-0x0000000004FA0000-memory.dmp
memory/4796-19-0x00000000055D0000-0x0000000005BF8000-memory.dmp
memory/4796-70-0x0000000007860000-0x0000000007871000-memory.dmp
memory/4796-77-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4796-18-0x0000000004F90000-0x0000000004FA0000-memory.dmp
memory/4796-64-0x0000000004F90000-0x0000000004FA0000-memory.dmp
memory/4796-62-0x00000000068F0000-0x000000000690E000-memory.dmp
memory/4796-52-0x0000000071070000-0x00000000710BC000-memory.dmp
memory/4796-50-0x000000007FAA0000-0x000000007FAB0000-memory.dmp
memory/4796-49-0x0000000006360000-0x00000000063AC000-memory.dmp
memory/4796-48-0x0000000006330000-0x000000000634E000-memory.dmp
memory/4796-45-0x0000000005E70000-0x00000000061C4000-memory.dmp
memory/4796-71-0x0000000007890000-0x000000000789E000-memory.dmp
memory/4796-40-0x0000000005D90000-0x0000000005DF6000-memory.dmp
memory/4796-23-0x0000000005370000-0x0000000005392000-memory.dmp
memory/4796-20-0x0000000074880000-0x0000000075030000-memory.dmp
memory/5116-93-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5116-106-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5116-105-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5116-103-0x0000000000400000-0x0000000000424000-memory.dmp