Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/04/2024, 01:58
General
- Target PURCHASE ORDER 794769-048.exe
- Size 892KB
- Sample240408-cd578sde2z
- SHA256 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c
Malware Config
Extracted
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remcos
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RemoteHost
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paygateme.net:2286
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
-
hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-WTDTSU
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screenshot_crypt
true
-
screenshot_flag
true
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
1
-
take_screenshot_option
false
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take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Nirsoft 6 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 12 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 36 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.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\Roaming\tzRVJJzEigd.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tzRVJJzEigd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D2C.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe" /stext "C:\Users\Admin\AppData\Local\Temp\iwncfdaliaaqegladzbbztceezupqv"3⤵
-
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe" /stext "C:\Users\Admin\AppData\Local\Temp\iwncfdaliaaqegladzbbztceezupqv"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe" /stext "C:\Users\Admin\AppData\Local\Temp\kzanfwleeisvouheujndjgxvngexjgnil"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 794769-048.exe" /stext "C:\Users\Admin\AppData\Local\Temp\vtgfgo"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
__PSScriptPolicyTest_4fqa1icb.hnv.ps1
iwncfdaliaaqegladzbbztceezupqv
tmp8D2C.tmp
memory/860-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-104-0x0000000010000000-0x0000000010019000-memory.dmp
memory/860-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-107-0x0000000010000000-0x0000000010019000-memory.dmp
memory/860-108-0x0000000010000000-0x0000000010019000-memory.dmp
memory/860-110-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-149-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-111-0x0000000010000000-0x0000000010019000-memory.dmp
memory/860-148-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-140-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-139-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-132-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-131-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-123-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-113-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/860-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1100-100-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1100-77-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1100-85-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1100-82-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1220-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp
memory/1220-7-0x0000000005190000-0x000000000519C000-memory.dmp
memory/1220-9-0x0000000008D20000-0x0000000008DBC000-memory.dmp
memory/1220-1-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/1220-5-0x00000000050C0000-0x00000000050CA000-memory.dmp
memory/1220-6-0x0000000005170000-0x0000000005180000-memory.dmp
memory/1220-0-0x0000000000430000-0x0000000000516000-memory.dmp
memory/1220-4-0x00000000051A0000-0x00000000051B0000-memory.dmp
memory/1220-8-0x00000000063F0000-0x00000000064B0000-memory.dmp
memory/1220-2-0x00000000054C0000-0x0000000005A64000-memory.dmp
memory/1220-33-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/3436-88-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3436-83-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3436-95-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3436-78-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4912-67-0x0000000006090000-0x00000000060AE000-memory.dmp
memory/4912-109-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/4912-76-0x0000000007090000-0x00000000070A4000-memory.dmp
memory/4912-14-0x0000000002200000-0x0000000002236000-memory.dmp
memory/4912-90-0x0000000007170000-0x0000000007178000-memory.dmp
memory/4912-75-0x0000000007080000-0x000000000708E000-memory.dmp
memory/4912-74-0x0000000007050000-0x0000000007061000-memory.dmp
memory/4912-16-0x0000000075110000-0x00000000758C0000-memory.dmp
memory/4912-72-0x00000000070D0000-0x0000000007166000-memory.dmp
memory/4912-17-0x0000000002280000-0x0000000002290000-memory.dmp
memory/4912-19-0x0000000004E20000-0x0000000005448000-memory.dmp
memory/4912-71-0x0000000006EC0000-0x0000000006ECA000-memory.dmp
memory/4912-70-0x0000000006E50000-0x0000000006E6A000-memory.dmp
memory/4912-69-0x0000000007490000-0x0000000007B0A000-memory.dmp
memory/4912-68-0x0000000006B40000-0x0000000006BE3000-memory.dmp
memory/4912-80-0x0000000007190000-0x00000000071AA000-memory.dmp
memory/4912-57-0x0000000071900000-0x000000007194C000-memory.dmp
memory/4912-56-0x0000000006B00000-0x0000000006B32000-memory.dmp
memory/4912-55-0x000000007FB60000-0x000000007FB70000-memory.dmp
memory/4912-50-0x0000000002280000-0x0000000002290000-memory.dmp
memory/4912-46-0x00000000060D0000-0x000000000611C000-memory.dmp
memory/4912-45-0x0000000005B40000-0x0000000005B5E000-memory.dmp
memory/4912-43-0x00000000056F0000-0x0000000005A44000-memory.dmp
memory/4912-31-0x0000000005450000-0x00000000054B6000-memory.dmp
memory/4912-39-0x0000000005630000-0x0000000005696000-memory.dmp
memory/4912-22-0x0000000004D60000-0x0000000004D82000-memory.dmp
memory/4912-18-0x0000000002280000-0x0000000002290000-memory.dmp
memory/5016-98-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5016-97-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5016-91-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5016-86-0x0000000000400000-0x0000000000424000-memory.dmp