Analysis
- max time kernel
150s - max time network
144s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
23/05/2024, 01:54
General
- Target ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exe
- Size 926KB
- Sample240523-cbvcyshe21
- SHA256 ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf
Malware Config
Extracted
-
remcos
-
RemoteHost
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104.250.180.178:7902
-
audio_folder
MicRecords
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audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
Microsoft .exe
-
copy_folder
Microsoft
-
delete_file
false
-
hide_file
false
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hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Microsoft -QUCX7D
-
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
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 23 IoCs
- Detects executables built or packed with MPress PE compressor 16 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 3 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
- Nirsoft 7 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 SetThreadContext 4 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 28 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exe"C:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exe"C:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exeC:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exe /stext "C:\Users\Admin\AppData\Local\Temp\addpqihsaipmdgktdjimqlh"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exeC:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exe /stext "C:\Users\Admin\AppData\Local\Temp\kxjhqaruorhqomgwuuugbpukbc"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exeC:\Users\Admin\AppData\Local\Temp\ac28e104b06d7025bab07468070e74b3ea0017b34d25e48150b6c55f8ffda4bf.exe /stext "C:\Users\Admin\AppData\Local\Temp\vzoarscnczzvqsuadehhecotkrxaf"3⤵
- Suspicious use of AdjustPrivilegeToken
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
addpqihsaipmdgktdjimqlh
memory/916-37-0x0000000000400000-0x0000000000478000-memory.dmp
memory/916-57-0x0000000000400000-0x0000000000478000-memory.dmp
memory/916-45-0x0000000000400000-0x0000000000478000-memory.dmp
memory/916-43-0x0000000000400000-0x0000000000478000-memory.dmp
memory/916-42-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1292-48-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1292-49-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1292-52-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2152-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-60-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2152-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2152-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-72-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-71-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-70-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-68-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-69-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-67-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-66-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2152-63-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2152-64-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2152-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2972-5-0x0000000000210000-0x0000000000220000-memory.dmp
memory/2972-1-0x0000000000D80000-0x0000000000E6E000-memory.dmp
memory/2972-2-0x0000000074430000-0x0000000074B1E000-memory.dmp
memory/2972-3-0x0000000004F80000-0x0000000005062000-memory.dmp
memory/2972-4-0x0000000000620000-0x000000000063A000-memory.dmp
memory/2972-6-0x0000000005640000-0x0000000005700000-memory.dmp
memory/2972-0-0x000000007443E000-0x000000007443F000-memory.dmp
memory/2972-28-0x0000000074430000-0x0000000074B1E000-memory.dmp
memory/3020-46-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3020-59-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3020-50-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3020-51-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3020-40-0x0000000000400000-0x0000000000462000-memory.dmp