Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/04/2024, 01:07
General
- Target 1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9.exe
- Size 928KB
- Sample240408-bgt4pscb2t
- SHA256 1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9
Malware Config
Extracted
-
remcos
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JONS
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172.245.208.13:4445
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
-
connect_interval
1
-
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
-
keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-R7QS5C
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
-
screenshot_time
10
-
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.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 34 IoCs
- Detects executables built or packed with MPress PE compressor 17 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
- ModiLoader Second Stage 1 IoCs
- 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
- Executes dropped EXE 4 IoCs
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9.exe"C:\Users\Admin\AppData\Local\Temp\1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9.exe C:\\Users\\Public\\Libraries\\Hnpdcxlm.PIF2⤵
-
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C:\Users\Public\Libraries\mlxcdpnH.pifC:\Users\Public\Libraries\mlxcdpnH.pif2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Public\Libraries\mlxcdpnH.pifC:\Users\Public\Libraries\mlxcdpnH.pif /stext "C:\Users\Admin\AppData\Local\Temp\garw"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
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C:\Users\Public\Libraries\mlxcdpnH.pifC:\Users\Public\Libraries\mlxcdpnH.pif /stext "C:\Users\Admin\AppData\Local\Temp\juxgazk"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Public\Libraries\mlxcdpnH.pifC:\Users\Public\Libraries\mlxcdpnH.pif /stext "C:\Users\Admin\AppData\Local\Temp\twcztsvnfj"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
garw
mlxcdpnH.pif
memory/1812-79-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-112-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-15-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-17-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-19-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-20-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-111-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-23-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-24-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-25-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-26-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-27-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-28-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-30-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-104-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-101-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-100-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-99-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-61-0x000000003E320000-0x000000003E339000-memory.dmp
memory/1812-92-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-90-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-89-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-12-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-84-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-22-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-65-0x000000003E320000-0x000000003E339000-memory.dmp
memory/1812-66-0x000000003E320000-0x000000003E339000-memory.dmp
memory/1812-64-0x000000003E320000-0x000000003E339000-memory.dmp
memory/1812-67-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1812-69-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-72-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-75-0x000000003E320000-0x000000003E339000-memory.dmp
memory/1812-77-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1812-78-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3088-41-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3088-37-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3088-58-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3088-31-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4136-38-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4136-47-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4136-45-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4136-33-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4444-54-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4444-55-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4444-48-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4444-40-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4544-0-0x00000000006F0000-0x00000000006F1000-memory.dmp
memory/4544-1-0x0000000004120000-0x0000000005120000-memory.dmp
memory/4544-2-0x0000000004120000-0x0000000005120000-memory.dmp
memory/4544-4-0x0000000000400000-0x00000000004F1000-memory.dmp