Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
22-07-2024 15:00
Static task
static1
Behavioral task
behavioral1
Sample
MalwareBazaar.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
MalwareBazaar.exe
Resource
win10v2004-20240704-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 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral2/memory/2964-26-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3752-25-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1332-28-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1332-34-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/2964-33-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2964-32-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3752-27-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1332-23-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3752-36-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2964-26-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/2964-33-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/2964-32-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3752-25-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/3752-27-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/3752-36-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
jsc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts jsc.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
MalwareBazaar.exejsc.exedescription pid Process procid_target PID 2444 set thread context of 1728 2444 MalwareBazaar.exe 84 PID 1728 set thread context of 3752 1728 jsc.exe 88 PID 1728 set thread context of 2964 1728 jsc.exe 89 PID 1728 set thread context of 1332 1728 jsc.exe 90 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
jsc.exejsc.exepid Process 3752 jsc.exe 3752 jsc.exe 1332 jsc.exe 1332 jsc.exe 3752 jsc.exe 3752 jsc.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
jsc.exepid Process 1728 jsc.exe 1728 jsc.exe 1728 jsc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
jsc.exedescription pid Process Token: SeDebugPrivilege 1332 jsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
jsc.exepid Process 1728 jsc.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
MalwareBazaar.exejsc.exedescription pid Process procid_target PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 2444 wrote to memory of 1728 2444 MalwareBazaar.exe 84 PID 1728 wrote to memory of 3752 1728 jsc.exe 88 PID 1728 wrote to memory of 3752 1728 jsc.exe 88 PID 1728 wrote to memory of 3752 1728 jsc.exe 88 PID 1728 wrote to memory of 3752 1728 jsc.exe 88 PID 1728 wrote to memory of 2964 1728 jsc.exe 89 PID 1728 wrote to memory of 2964 1728 jsc.exe 89 PID 1728 wrote to memory of 2964 1728 jsc.exe 89 PID 1728 wrote to memory of 2964 1728 jsc.exe 89 PID 1728 wrote to memory of 1332 1728 jsc.exe 90 PID 1728 wrote to memory of 1332 1728 jsc.exe 90 PID 1728 wrote to memory of 1332 1728 jsc.exe 90 PID 1728 wrote to memory of 1332 1728 jsc.exe 90
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:2444 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe /stext "C:\Users\Admin\AppData\Local\Temp\klhpyddhswuerc"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3752
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe /stext "C:\Users\Admin\AppData\Local\Temp\unuhzvoifemjbiccd"3⤵
- Accesses Microsoft Outlook accounts
PID:2964
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ehaaaoyctneoepyomxhq"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1332
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD578f2b4075a415144ee24a18ddf75087e
SHA1ff0b4c39aa26cbea27ad0cb8d896bb8c1a2e1ad5
SHA2567cd6f3b6cc69c47b41627c2c929ca466fead92747aa5c297f0d1bd5196fa44dd
SHA5128472282a1afa58c90a93cc46b325d62a0f157d2f5b11c6bbe349fa27a2a5838db77c93bfc8d37f940606bf7527c919d921b193cb660bb2c456db054b667a1822
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Filesize
4KB
MD5f5c7d652e408753fba07ef2069ab8a13
SHA19815cd1ae93306cdacabf573ad54f1ef970b3913
SHA2566734744077bca26577abb89d0b811bef713c2a97e7fcc70888d4990d500fa67a
SHA51243570265f839d5e435c83052501c24ed182bda5a3a9db0f6eb519c251af85dafa10825a3995c66e1e88a7bcbcf9c7dcbbd2f24d661c05b7f20f5aa35f536bc80