Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
12-11-2024 06:36
Static task
static1
Behavioral task
behavioral1
Sample
da64ef3f58dcd1477b91418255568f70.exe
Resource
win7-20241010-en
General
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Target
da64ef3f58dcd1477b91418255568f70.exe
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Size
1.0MB
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MD5
da64ef3f58dcd1477b91418255568f70
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SHA1
386e418b3d816c00ec25b084a2fc9ad2c009e887
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SHA256
9b4391946e6ef750cd4790bbf6a35a0f2c43d10dd0475827e50946d8eea893b6
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SHA512
d9b443729cd244629c3416d94dae0413e7288e8fc3bb1b74758c46d7efa8265600a7f4c2231918ab434951385d9e54c0fba6c25d04416266d7642bebcec97dd8
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SSDEEP
24576:ug/fo38qzl/vo8VyMKm62wPLOfsbd7384gmRF:xvqzl48AMNGOfs57M4tR
Malware Config
Extracted
remcos
RemoteHost
81.161.238.174:46098
127.0.0.1:46098
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audio_folder
MicRecords
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audio_path
ApplicationPath
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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-UZGQA3
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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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Remcos family
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Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral1/memory/2980-57-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2300-63-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2996-62-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2980-57-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2300-63-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
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 3064 powershell.exe 2836 powershell.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
da64ef3f58dcd1477b91418255568f70.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts da64ef3f58dcd1477b91418255568f70.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
da64ef3f58dcd1477b91418255568f70.exeda64ef3f58dcd1477b91418255568f70.exedescription pid process target process PID 2888 set thread context of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 set thread context of 2300 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 set thread context of 2980 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 set thread context of 2996 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.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 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
da64ef3f58dcd1477b91418255568f70.exeda64ef3f58dcd1477b91418255568f70.exeda64ef3f58dcd1477b91418255568f70.exepowershell.exepowershell.exeschtasks.exeda64ef3f58dcd1477b91418255568f70.exeda64ef3f58dcd1477b91418255568f70.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da64ef3f58dcd1477b91418255568f70.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da64ef3f58dcd1477b91418255568f70.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da64ef3f58dcd1477b91418255568f70.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da64ef3f58dcd1477b91418255568f70.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da64ef3f58dcd1477b91418255568f70.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 7 IoCs
Processes:
da64ef3f58dcd1477b91418255568f70.exepowershell.exepowershell.exeda64ef3f58dcd1477b91418255568f70.exepid process 2888 da64ef3f58dcd1477b91418255568f70.exe 2888 da64ef3f58dcd1477b91418255568f70.exe 2888 da64ef3f58dcd1477b91418255568f70.exe 3064 powershell.exe 2836 powershell.exe 2300 da64ef3f58dcd1477b91418255568f70.exe 2300 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
da64ef3f58dcd1477b91418255568f70.exepid process 1212 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
da64ef3f58dcd1477b91418255568f70.exepid process 1212 da64ef3f58dcd1477b91418255568f70.exe 1212 da64ef3f58dcd1477b91418255568f70.exe 1212 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
da64ef3f58dcd1477b91418255568f70.exepowershell.exepowershell.exeda64ef3f58dcd1477b91418255568f70.exedescription pid process Token: SeDebugPrivilege 2888 da64ef3f58dcd1477b91418255568f70.exe Token: SeDebugPrivilege 3064 powershell.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeDebugPrivilege 2996 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious use of WriteProcessMemory 40 IoCs
Processes:
da64ef3f58dcd1477b91418255568f70.exeda64ef3f58dcd1477b91418255568f70.exedescription pid process target process PID 2888 wrote to memory of 3064 2888 da64ef3f58dcd1477b91418255568f70.exe powershell.exe PID 2888 wrote to memory of 3064 2888 da64ef3f58dcd1477b91418255568f70.exe powershell.exe PID 2888 wrote to memory of 3064 2888 da64ef3f58dcd1477b91418255568f70.exe powershell.exe PID 2888 wrote to memory of 3064 2888 da64ef3f58dcd1477b91418255568f70.exe powershell.exe PID 2888 wrote to memory of 2836 2888 da64ef3f58dcd1477b91418255568f70.exe powershell.exe PID 2888 wrote to memory of 2836 2888 da64ef3f58dcd1477b91418255568f70.exe powershell.exe PID 2888 wrote to memory of 2836 2888 da64ef3f58dcd1477b91418255568f70.exe powershell.exe PID 2888 wrote to memory of 2836 2888 da64ef3f58dcd1477b91418255568f70.exe powershell.exe PID 2888 wrote to memory of 2864 2888 da64ef3f58dcd1477b91418255568f70.exe schtasks.exe PID 2888 wrote to memory of 2864 2888 da64ef3f58dcd1477b91418255568f70.exe schtasks.exe PID 2888 wrote to memory of 2864 2888 da64ef3f58dcd1477b91418255568f70.exe schtasks.exe PID 2888 wrote to memory of 2864 2888 da64ef3f58dcd1477b91418255568f70.exe schtasks.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 2888 wrote to memory of 1212 2888 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2300 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2300 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2300 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2300 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2300 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2980 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2980 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2980 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2980 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2980 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2996 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2996 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2996 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2996 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe PID 1212 wrote to memory of 2996 1212 da64ef3f58dcd1477b91418255568f70.exe da64ef3f58dcd1477b91418255568f70.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe"C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2888 -
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\da64ef3f58dcd1477b91418255568f70.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gAGKIpbVdGGk.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2836
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gAGKIpbVdGGk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpABBA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2864
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C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe"C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exeC:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe /stext "C:\Users\Admin\AppData\Local\Temp\pdehjdgphsgkftheqhsuoiqlvxueis"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2300
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C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exeC:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe /stext "C:\Users\Admin\AppData\Local\Temp\zyjrjwrjvbypqadqhsnoznkcedlnbdkdp"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2980
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C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exeC:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe /stext "C:\Users\Admin\AppData\Local\Temp\capkk"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2996
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1KB
MD5692bc21522b1702dcc6bdb99cf3d631a
SHA127b001446fcbdba35561f2733a0129e3c69aba6c
SHA256ed5c05edb2a00ae8139a56feef7c85a3c5bd1c20b306fdee75f5003b50ed19f4
SHA5126373df4eb68e4d56ab7bbe9035ea9c662e2b1ff136e4f2e8e15a84320cdd14d7c19334b8eb92977cfca897633c259086ae7a8b8ddd318c2bd8ba952ab2d160c7
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD577780c65425746889d2faf4f6a44d378
SHA16956fd9dbb05a5926e0935dd690f520548c5aa0a
SHA2566a397b7232e5d253103998136f2771b0d3fe507f531a265db6b0dc16849f8735
SHA512f4debbdf6009eff272fca82301f1ec1632518789c4c6617af46ffb7561137cf0308d6353613ef03c4a17a8b5bce38f342705fd23227f39d400b7d1b26771521f