Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
12/05/2024, 03:10
General
- Target 2024090533201.exe
- Size 439KB
- Sample240512-dn95lsgg42
- SHA256 56399bbe65e2003a0f7b725132569f0bb355cd9e58f2b7349a7fc6eea3ad39e3
Malware Config
Extracted
-
remcos
-
RemoteHost
-
185.29.9.120:2404
-
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-QN9BDD
-
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.
- 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
- Loads dropped DLL 1 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
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024090533201.exe"C:\Users\Admin\AppData\Local\Temp\2024090533201.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2024090533201.exe"C:\Users\Admin\AppData\Local\Temp\2024090533201.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2024090533201.exeC:\Users\Admin\AppData\Local\Temp\2024090533201.exe /stext "C:\Users\Admin\AppData\Local\Temp\juadqjdymqgrhvrabaetpaangbtvbj"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\2024090533201.exeC:\Users\Admin\AppData\Local\Temp\2024090533201.exe /stext "C:\Users\Admin\AppData\Local\Temp\twfvrbnrayyekbfellruznvwhikeuumdg"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\2024090533201.exeC:\Users\Admin\AppData\Local\Temp\2024090533201.exe /stext "C:\Users\Admin\AppData\Local\Temp\erkgru"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
juadqjdymqgrhvrabaetpaangbtvbj
System.dll
memory/3632-66-0x00000000772D1000-0x00000000773F1000-memory.dmp
memory/3632-67-0x0000000010004000-0x0000000010005000-memory.dmp
memory/4016-86-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4016-85-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4016-94-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4016-90-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4316-100-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4316-93-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4316-76-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4316-82-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4316-79-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4448-109-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-105-0x0000000036C40000-0x0000000036C59000-memory.dmp
memory/4448-118-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-117-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-116-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-115-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-74-0x00000000772D1000-0x00000000773F1000-memory.dmp
memory/4448-70-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-69-0x0000000077375000-0x0000000077376000-memory.dmp
memory/4448-102-0x0000000036C40000-0x0000000036C59000-memory.dmp
memory/4448-106-0x0000000036C40000-0x0000000036C59000-memory.dmp
memory/4448-91-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-107-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-108-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-68-0x0000000077358000-0x0000000077359000-memory.dmp
memory/4448-110-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-111-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-112-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-113-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4448-114-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/4948-81-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4948-78-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4948-83-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4948-84-0x0000000000400000-0x0000000000462000-memory.dmp