Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2024 12:02
Static task
static1
Behavioral task
behavioral1
Sample
MalwareBazaar.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
MalwareBazaar.exe
Resource
win10v2004-20240709-en
General
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Target
MalwareBazaar.exe
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Size
939KB
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MD5
3f69729a8f2b22e625bb984f28758ebc
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SHA1
ab8aab5952dfcf0d705daff76448920c67b6241d
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SHA256
d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd
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SHA512
c4622e82f66aa728ded76ef628bd31ddcd35581a10a6043e735e557a26c8f9c72c67713f29a3ed90f647bf268484b44cf812918a02aa8e1539c3fdac7bcc1fa1
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SSDEEP
24576:Yglv8Jv17LLE1hUG+n1KD9Wa9PMEgDzx9mZREOUqqHXONlVUE:oPYf+n1KDghPx9ARDhqHXOR
Malware Config
Extracted
remcos
RemoteHost
204.10.160.230:7983
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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-O7QOC3
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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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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 1516 powershell.exe 404 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
MalwareBazaar.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation MalwareBazaar.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
MalwareBazaar.exedescription pid process target process PID 2264 set thread context of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
MalwareBazaar.exeMalwareBazaar.exepowershell.exepowershell.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MalwareBazaar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MalwareBazaar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
MalwareBazaar.exepowershell.exepowershell.exepid process 2264 MalwareBazaar.exe 2264 MalwareBazaar.exe 2264 MalwareBazaar.exe 2264 MalwareBazaar.exe 2264 MalwareBazaar.exe 2264 MalwareBazaar.exe 404 powershell.exe 404 powershell.exe 1516 powershell.exe 1516 powershell.exe 2264 MalwareBazaar.exe 2264 MalwareBazaar.exe 404 powershell.exe 1516 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
MalwareBazaar.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2264 MalwareBazaar.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 404 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
MalwareBazaar.exedescription pid process target process PID 2264 wrote to memory of 1516 2264 MalwareBazaar.exe powershell.exe PID 2264 wrote to memory of 1516 2264 MalwareBazaar.exe powershell.exe PID 2264 wrote to memory of 1516 2264 MalwareBazaar.exe powershell.exe PID 2264 wrote to memory of 404 2264 MalwareBazaar.exe powershell.exe PID 2264 wrote to memory of 404 2264 MalwareBazaar.exe powershell.exe PID 2264 wrote to memory of 404 2264 MalwareBazaar.exe powershell.exe PID 2264 wrote to memory of 4720 2264 MalwareBazaar.exe schtasks.exe PID 2264 wrote to memory of 4720 2264 MalwareBazaar.exe schtasks.exe PID 2264 wrote to memory of 4720 2264 MalwareBazaar.exe schtasks.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe PID 2264 wrote to memory of 4060 2264 MalwareBazaar.exe MalwareBazaar.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1516 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HODoCxSdp.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:404 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HODoCxSdp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp171D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4720 -
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"2⤵
- System Location Discovery: System Language Discovery
PID:4060
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD54719ad3516c1873779d49e3c991ed9e0
SHA1f3923f8d7ed7d2fc34e94e197728ed47fb147a17
SHA256cf58084f59d847a639e60994d2fe0c4b7b72eda4cd7576144408f8c68850bd88
SHA51249a28e11ee2f4c3c4a655dd5db7bf975f1a03a6030778e935539f0960f3d2068fd25a476fcab5b1042dc4ad82e4a0f1f0e40165c9190b27abbba1b7c4505f759
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD547eb33c983ff6b34082df8c53b9e3c33
SHA194f724b356a382227a1691c7019c084084fd880d
SHA256132db6dac6bb4a74ded8c992f8fd563524aa61ca4fb8d84ddb0bc27d8428aec1
SHA512e69cc45b41219ccd8e6ceeecb54b326a7af3af86d44e97e608198e40fe68c5c4e5d2c0b682e59f981cfaf5e77c4dfcc549e9db3f83d5b514e663635ad88542d7