Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
17/07/2024, 15:00
General
- Target MalwareBazaar.exe
- Size 1.3MB
- Sample240717-sdkjjawbkr
- SHA256 e6643fb9224f9a2ce99cf20b5714e5322645fae8046ef9d439ca17d7ac6abd45
Malware Config
Extracted
-
remcos
-
RemoteHost
-
107.175.229.139:8823
-
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-2BGC0K
-
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.
- Detected Nirsoft tools 6 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
- NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
- Drops startup file 1 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
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\bothsided\molebut.exe"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\bothsided\molebut.exeC:\Users\Admin\AppData\Local\bothsided\molebut.exe /stext "C:\Users\Admin\AppData\Local\Temp\zfglrwemybscunyejveds"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\bothsided\molebut.exeC:\Users\Admin\AppData\Local\bothsided\molebut.exe /stext "C:\Users\Admin\AppData\Local\Temp\czmdspofmjlhwtuiafqxvwtv"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\bothsided\molebut.exeC:\Users\Admin\AppData\Local\bothsided\molebut.exe /stext "C:\Users\Admin\AppData\Local\Temp\mbrokhzhardmhzjmjqdygbnetla"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
logs.dat
Laddonia
extrorsal
zfglrwemybscunyejveds
molebut.exe
memory/1268-54-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1268-50-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1268-52-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1860-68-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-98-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-99-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-91-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-90-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-83-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-63-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1860-66-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1860-67-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1860-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1860-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-53-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1972-61-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1972-41-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1972-48-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1972-56-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2380-10-0x0000000000B00000-0x0000000000B04000-memory.dmp
memory/4536-43-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4536-49-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4536-47-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4536-55-0x0000000000400000-0x0000000000462000-memory.dmp