Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 07:30
Static task
static1
Behavioral task
behavioral1
Sample
311148c65ef0cadb803bccc2cf922fee.exe
Resource
win7-20240903-en
General
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Target
311148c65ef0cadb803bccc2cf922fee.exe
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Size
1.1MB
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MD5
311148c65ef0cadb803bccc2cf922fee
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SHA1
d70c32206a52470e3b622984e7fb6ab7668c5919
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SHA256
ff67f46cb0b8c93cc038c969376a92b04ab3809b0efd52f99bdfbbd9a991cc87
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SHA512
8a998d9e89a53b65ef1d5a996f5540d0c0ba7f964af274ef5991dac3c4fd6c3eb4b89f5bc54449b797ffede1f57bd8d4604f4df3cd46fadb6dc94391713208cc
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SSDEEP
24576:W4rAZ6dcBjZFsPgl8bIDnOjkO4/JHuNPzb2IFA:W4MwMwbIKkOIJHIPw
Malware Config
Extracted
remcos
RemoteHost
hiddenrmcnew.duckdns.org:7839
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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-PW8G0U
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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 2 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/1488-106-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/2292-107-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1488-106-0x0000000000400000-0x0000000000478000-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.
pid Process 4356 powershell.exe 1672 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 311148c65ef0cadb803bccc2cf922fee.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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Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3052 set thread context of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 1936 set thread context of 1488 1936 311148c65ef0cadb803bccc2cf922fee.exe 96 PID 1936 set thread context of 1068 1936 311148c65ef0cadb803bccc2cf922fee.exe 97 PID 1936 set thread context of 2292 1936 311148c65ef0cadb803bccc2cf922fee.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 5100 1068 WerFault.exe 97 -
System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 311148c65ef0cadb803bccc2cf922fee.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 311148c65ef0cadb803bccc2cf922fee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 311148c65ef0cadb803bccc2cf922fee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 311148c65ef0cadb803bccc2cf922fee.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4936 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 3052 311148c65ef0cadb803bccc2cf922fee.exe 4356 powershell.exe 1672 powershell.exe 3052 311148c65ef0cadb803bccc2cf922fee.exe 3052 311148c65ef0cadb803bccc2cf922fee.exe 4356 powershell.exe 1672 powershell.exe 1488 311148c65ef0cadb803bccc2cf922fee.exe 1488 311148c65ef0cadb803bccc2cf922fee.exe 2292 311148c65ef0cadb803bccc2cf922fee.exe 2292 311148c65ef0cadb803bccc2cf922fee.exe 1488 311148c65ef0cadb803bccc2cf922fee.exe 1488 311148c65ef0cadb803bccc2cf922fee.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1936 311148c65ef0cadb803bccc2cf922fee.exe 1936 311148c65ef0cadb803bccc2cf922fee.exe 1936 311148c65ef0cadb803bccc2cf922fee.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3052 311148c65ef0cadb803bccc2cf922fee.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 1672 powershell.exe Token: SeDebugPrivilege 2292 311148c65ef0cadb803bccc2cf922fee.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 1068 311148c65ef0cadb803bccc2cf922fee.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 3052 wrote to memory of 4356 3052 311148c65ef0cadb803bccc2cf922fee.exe 89 PID 3052 wrote to memory of 4356 3052 311148c65ef0cadb803bccc2cf922fee.exe 89 PID 3052 wrote to memory of 4356 3052 311148c65ef0cadb803bccc2cf922fee.exe 89 PID 3052 wrote to memory of 1672 3052 311148c65ef0cadb803bccc2cf922fee.exe 91 PID 3052 wrote to memory of 1672 3052 311148c65ef0cadb803bccc2cf922fee.exe 91 PID 3052 wrote to memory of 1672 3052 311148c65ef0cadb803bccc2cf922fee.exe 91 PID 3052 wrote to memory of 4936 3052 311148c65ef0cadb803bccc2cf922fee.exe 93 PID 3052 wrote to memory of 4936 3052 311148c65ef0cadb803bccc2cf922fee.exe 93 PID 3052 wrote to memory of 4936 3052 311148c65ef0cadb803bccc2cf922fee.exe 93 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 3052 wrote to memory of 1936 3052 311148c65ef0cadb803bccc2cf922fee.exe 95 PID 1936 wrote to memory of 1488 1936 311148c65ef0cadb803bccc2cf922fee.exe 96 PID 1936 wrote to memory of 1488 1936 311148c65ef0cadb803bccc2cf922fee.exe 96 PID 1936 wrote to memory of 1488 1936 311148c65ef0cadb803bccc2cf922fee.exe 96 PID 1936 wrote to memory of 1488 1936 311148c65ef0cadb803bccc2cf922fee.exe 96 PID 1936 wrote to memory of 1068 1936 311148c65ef0cadb803bccc2cf922fee.exe 97 PID 1936 wrote to memory of 1068 1936 311148c65ef0cadb803bccc2cf922fee.exe 97 PID 1936 wrote to memory of 1068 1936 311148c65ef0cadb803bccc2cf922fee.exe 97 PID 1936 wrote to memory of 1068 1936 311148c65ef0cadb803bccc2cf922fee.exe 97 PID 1936 wrote to memory of 2292 1936 311148c65ef0cadb803bccc2cf922fee.exe 98 PID 1936 wrote to memory of 2292 1936 311148c65ef0cadb803bccc2cf922fee.exe 98 PID 1936 wrote to memory of 2292 1936 311148c65ef0cadb803bccc2cf922fee.exe 98 PID 1936 wrote to memory of 2292 1936 311148c65ef0cadb803bccc2cf922fee.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exe"C:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.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:3052 -
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\311148c65ef0cadb803bccc2cf922fee.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4356
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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\wUtVQHiucCbXP.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wUtVQHiucCbXP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9B6.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4936
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C:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exe"C:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exeC:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exe /stext "C:\Users\Admin\AppData\Local\Temp\tnvt"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1488
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C:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exeC:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exe /stext "C:\Users\Admin\AppData\Local\Temp\dhadyea"3⤵
- Suspicious use of UnmapMainImage
PID:1068 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 124⤵
- Program crash
PID:5100
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C:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exeC:\Users\Admin\AppData\Local\Temp\311148c65ef0cadb803bccc2cf922fee.exe /stext "C:\Users\Admin\AppData\Local\Temp\ojfwywkhqkg"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1068 -ip 10681⤵PID:1384
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
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD56292700e859923477067263307c74456
SHA195977dcc7d760c371be15114373d05785df24b9b
SHA256f1791a4ce3f9c96841b5765394b63b197ae73d20070aac1cd0c704a41946f6bc
SHA512b34ff3f394ee59d84dfffbb8c5611b7d5d06f334f5aa1781f0164f47323650b5de61eba0fc4152da5791bea1eb99cb2fcf79a8ae07f37c12ef6230511ac76add
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD56af2f0cfddf4122185ec6ff4ea6714b4
SHA1985530276b95ae004256ca48cb870228ed188518
SHA256ebd0af07761cea31b9b0c1928eff8c74a0e6ba8a4bbd5ccb6a067cf7f082ef0c
SHA512c46040dfd9eed75119ebe48979472acb5fe7ac774dc807d3d1aa88320f838ac469fd81009748e3dec09068fcaae05fafe0cd454acf71d454640736ddbf5f5d19
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Filesize
4KB
MD5c0ab2847671ed5375328c5127a02cc72
SHA1dc2bcb51562fb17e5c8787833bc0181d88a5b75e
SHA256e961f466a0638bc99182d0056245e2d8bf1ccc13a189b802aada981f379e2384
SHA5120b8b634d21ac71e02cef86687bf84b6fcecfd24dafab8130f42ce8b4b3f308a2e1b1fa7bf8d37f2eda76efae2b30b8d39f41d808d771562d8545ed144241924f