Analysis
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max time kernel
147s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
22-07-2024 14:00
Static task
static1
Behavioral task
behavioral1
Sample
MalwareBazaar.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
MalwareBazaar.exe
Resource
win10v2004-20240709-en
General
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Target
MalwareBazaar.exe
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Size
2.3MB
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MD5
2a65843b474feff5256bd673b4ff88ae
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SHA1
0c80fb17f84d478941ab4d51fddcccaf274da31d
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SHA256
d07cfaeced4e8bba1c9fdc8006dc80105cf654759c4d74d4d2d2964a0f6e9230
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SHA512
7f8a5a684273a031b648129870d493c9a2d63838a8179b8ce32e2c94f956c1a1196ef404d346e6ca42016489fa949b985bc598111dde0249c64c12a668b77292
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SSDEEP
49152:E2u/BMdg532rpsjCMqigjns2+a95PlpiH9MzMrcgt4hzNriBldyQJ/MqmG:DrpEZI0BnlJNh
Malware Config
Extracted
remcos
Dollar Man
178.23.190.118:52499
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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
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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
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mouse_option
false
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mutex
Rmc-SJ9MVF
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Detected Nirsoft tools 8 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral1/memory/2900-27-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2900-32-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2680-31-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2680-26-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2896-36-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2896-37-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2680-42-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2900-45-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2900-27-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2900-32-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2900-45-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2680-31-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2680-26-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2680-42-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
CasPol.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts CasPol.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
MalwareBazaar.exeCasPol.exedescription pid Process procid_target PID 2052 set thread context of 804 2052 MalwareBazaar.exe 31 PID 804 set thread context of 2680 804 CasPol.exe 33 PID 804 set thread context of 2900 804 CasPol.exe 34 PID 804 set thread context of 2896 804 CasPol.exe 35 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
CasPol.exepid Process 2680 CasPol.exe 2680 CasPol.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
CasPol.exepid Process 804 CasPol.exe 804 CasPol.exe 804 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
CasPol.exedescription pid Process Token: SeDebugPrivilege 2896 CasPol.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
CasPol.exepid Process 804 CasPol.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
MalwareBazaar.exeCasPol.exedescription pid Process procid_target PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 2052 wrote to memory of 804 2052 MalwareBazaar.exe 31 PID 804 wrote to memory of 2680 804 CasPol.exe 33 PID 804 wrote to memory of 2680 804 CasPol.exe 33 PID 804 wrote to memory of 2680 804 CasPol.exe 33 PID 804 wrote to memory of 2680 804 CasPol.exe 33 PID 804 wrote to memory of 2680 804 CasPol.exe 33 PID 804 wrote to memory of 2900 804 CasPol.exe 34 PID 804 wrote to memory of 2900 804 CasPol.exe 34 PID 804 wrote to memory of 2900 804 CasPol.exe 34 PID 804 wrote to memory of 2900 804 CasPol.exe 34 PID 804 wrote to memory of 2900 804 CasPol.exe 34 PID 804 wrote to memory of 2896 804 CasPol.exe 35 PID 804 wrote to memory of 2896 804 CasPol.exe 35 PID 804 wrote to memory of 2896 804 CasPol.exe 35 PID 804 wrote to memory of 2896 804 CasPol.exe 35 PID 804 wrote to memory of 2896 804 CasPol.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:804 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\zxpprbrdrxtsbjmfsmclstouva"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2680
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\jrvastcefflflxarjxondgideotxy"3⤵
- Accesses Microsoft Outlook accounts
PID:2900
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\utissmnytndkndwvsabgglvunvcyromn"3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2896
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5b36244bdca11616af576f604e00e4750
SHA119d0d6e8f1b1b158bb493933955838fcfd2640ec
SHA256807d9672632f96a5ba6d1c2f1f9d1922fb406a8918e1d868d38ae055a88d8949
SHA512e529fdc8ee6aa19bb20caa6d143aad03e64e8758579e7b54d0e0f9f43ed652334a599bf1123057dbdaf6e6abd9884f2f181a1678baf80148c5b74e4837972e8f
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84