Analysis
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max time kernel
148s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-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 behavioral2/memory/4424-32-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4124-31-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4424-33-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4512-30-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4124-29-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4424-28-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4512-26-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4124-38-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4512-30-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/4512-26-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4124-31-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4124-29-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4124-38-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
regsvcs.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts regsvcs.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
MalwareBazaar.exeregsvcs.exedescription pid Process procid_target PID 4464 set thread context of 3116 4464 MalwareBazaar.exe 85 PID 3116 set thread context of 4124 3116 regsvcs.exe 94 PID 3116 set thread context of 4512 3116 regsvcs.exe 96 PID 3116 set thread context of 4424 3116 regsvcs.exe 99 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvcs.exeregsvcs.exepid Process 4424 regsvcs.exe 4424 regsvcs.exe 4124 regsvcs.exe 4124 regsvcs.exe 4124 regsvcs.exe 4124 regsvcs.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
regsvcs.exepid Process 3116 regsvcs.exe 3116 regsvcs.exe 3116 regsvcs.exe 3116 regsvcs.exe 3116 regsvcs.exe 3116 regsvcs.exe 3116 regsvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regsvcs.exedescription pid Process Token: SeDebugPrivilege 4424 regsvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
regsvcs.exepid Process 3116 regsvcs.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
MalwareBazaar.exeregsvcs.exedescription pid Process procid_target PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 4464 wrote to memory of 3116 4464 MalwareBazaar.exe 85 PID 3116 wrote to memory of 2308 3116 regsvcs.exe 93 PID 3116 wrote to memory of 2308 3116 regsvcs.exe 93 PID 3116 wrote to memory of 2308 3116 regsvcs.exe 93 PID 3116 wrote to memory of 4124 3116 regsvcs.exe 94 PID 3116 wrote to memory of 4124 3116 regsvcs.exe 94 PID 3116 wrote to memory of 4124 3116 regsvcs.exe 94 PID 3116 wrote to memory of 4124 3116 regsvcs.exe 94 PID 3116 wrote to memory of 1256 3116 regsvcs.exe 95 PID 3116 wrote to memory of 1256 3116 regsvcs.exe 95 PID 3116 wrote to memory of 1256 3116 regsvcs.exe 95 PID 3116 wrote to memory of 4512 3116 regsvcs.exe 96 PID 3116 wrote to memory of 4512 3116 regsvcs.exe 96 PID 3116 wrote to memory of 4512 3116 regsvcs.exe 96 PID 3116 wrote to memory of 4512 3116 regsvcs.exe 96 PID 3116 wrote to memory of 5076 3116 regsvcs.exe 97 PID 3116 wrote to memory of 5076 3116 regsvcs.exe 97 PID 3116 wrote to memory of 5076 3116 regsvcs.exe 97 PID 3116 wrote to memory of 2368 3116 regsvcs.exe 98 PID 3116 wrote to memory of 2368 3116 regsvcs.exe 98 PID 3116 wrote to memory of 2368 3116 regsvcs.exe 98 PID 3116 wrote to memory of 4424 3116 regsvcs.exe 99 PID 3116 wrote to memory of 4424 3116 regsvcs.exe 99 PID 3116 wrote to memory of 4424 3116 regsvcs.exe 99 PID 3116 wrote to memory of 4424 3116 regsvcs.exe 99
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:4464 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\pdqwp"3⤵PID:2308
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\pdqwp"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4124
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\sfvoijji"3⤵PID:1256
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\sfvoijji"3⤵
- Accesses Microsoft Outlook accounts
PID:4512
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\czbhibubvapb"3⤵PID:5076
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\czbhibubvapb"3⤵PID:2368
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\czbhibubvapb"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4424
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD516ef359bccd3fa0e3163c5075e1394cf
SHA1aef3f4948446712ea1c157b5273aa5643a7e2810
SHA256e83dd25175762f338a235a50bc155895597b4d1741fb0f275f2b60759918e645
SHA512e6ef5d41b5e9e1855176c0ac34032376e78858d720635a6b4f15535cc5a79be4c1fe83519a58cac93cb4e407bdc8ef2bfde4dbb0ec16bb1497f9b4195f2e5bc4
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Filesize
4KB
MD571e3611290752b1a114e303d84e3987f
SHA1210794023f369235615743c802fce5055961ee6e
SHA2565163d0e849d5d39f1e8beb9d13beea8240d532dff6f28433522148628007af06
SHA512d0235dd58f9038009e44c4847535f2bb652f093418fdfd890c01b4b9d8981df3a31e4a89f9099c226becbfe8541015d60f6b852165241d08cb8795d93dd2eb09