Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 2 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4280-67-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/1096-74-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4280-67-0x0000000000400000-0x0000000000478000-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 3516 powershell.exe 4264 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation da64ef3f58dcd1477b91418255568f70.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 852 set thread context of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 1572 set thread context of 4280 1572 da64ef3f58dcd1477b91418255568f70.exe 103 PID 1572 set thread context of 2052 1572 da64ef3f58dcd1477b91418255568f70.exe 104 PID 1572 set thread context of 1096 1572 da64ef3f58dcd1477b91418255568f70.exe 105 -
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 3776 2052 WerFault.exe 104 -
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 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 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 -
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 1128 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 852 da64ef3f58dcd1477b91418255568f70.exe 3516 powershell.exe 4264 powershell.exe 852 da64ef3f58dcd1477b91418255568f70.exe 852 da64ef3f58dcd1477b91418255568f70.exe 852 da64ef3f58dcd1477b91418255568f70.exe 852 da64ef3f58dcd1477b91418255568f70.exe 4264 powershell.exe 3516 powershell.exe 4280 da64ef3f58dcd1477b91418255568f70.exe 4280 da64ef3f58dcd1477b91418255568f70.exe 1096 da64ef3f58dcd1477b91418255568f70.exe 1096 da64ef3f58dcd1477b91418255568f70.exe 4280 da64ef3f58dcd1477b91418255568f70.exe 4280 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1572 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 1572 da64ef3f58dcd1477b91418255568f70.exe 1572 da64ef3f58dcd1477b91418255568f70.exe 1572 da64ef3f58dcd1477b91418255568f70.exe 1572 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 852 da64ef3f58dcd1477b91418255568f70.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 4264 powershell.exe Token: SeDebugPrivilege 1096 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2052 da64ef3f58dcd1477b91418255568f70.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 852 wrote to memory of 3516 852 da64ef3f58dcd1477b91418255568f70.exe 94 PID 852 wrote to memory of 3516 852 da64ef3f58dcd1477b91418255568f70.exe 94 PID 852 wrote to memory of 3516 852 da64ef3f58dcd1477b91418255568f70.exe 94 PID 852 wrote to memory of 4264 852 da64ef3f58dcd1477b91418255568f70.exe 96 PID 852 wrote to memory of 4264 852 da64ef3f58dcd1477b91418255568f70.exe 96 PID 852 wrote to memory of 4264 852 da64ef3f58dcd1477b91418255568f70.exe 96 PID 852 wrote to memory of 1128 852 da64ef3f58dcd1477b91418255568f70.exe 98 PID 852 wrote to memory of 1128 852 da64ef3f58dcd1477b91418255568f70.exe 98 PID 852 wrote to memory of 1128 852 da64ef3f58dcd1477b91418255568f70.exe 98 PID 852 wrote to memory of 3688 852 da64ef3f58dcd1477b91418255568f70.exe 100 PID 852 wrote to memory of 3688 852 da64ef3f58dcd1477b91418255568f70.exe 100 PID 852 wrote to memory of 3688 852 da64ef3f58dcd1477b91418255568f70.exe 100 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 852 wrote to memory of 1572 852 da64ef3f58dcd1477b91418255568f70.exe 101 PID 1572 wrote to memory of 3976 1572 da64ef3f58dcd1477b91418255568f70.exe 102 PID 1572 wrote to memory of 3976 1572 da64ef3f58dcd1477b91418255568f70.exe 102 PID 1572 wrote to memory of 3976 1572 da64ef3f58dcd1477b91418255568f70.exe 102 PID 1572 wrote to memory of 4280 1572 da64ef3f58dcd1477b91418255568f70.exe 103 PID 1572 wrote to memory of 4280 1572 da64ef3f58dcd1477b91418255568f70.exe 103 PID 1572 wrote to memory of 4280 1572 da64ef3f58dcd1477b91418255568f70.exe 103 PID 1572 wrote to memory of 4280 1572 da64ef3f58dcd1477b91418255568f70.exe 103 PID 1572 wrote to memory of 2052 1572 da64ef3f58dcd1477b91418255568f70.exe 104 PID 1572 wrote to memory of 2052 1572 da64ef3f58dcd1477b91418255568f70.exe 104 PID 1572 wrote to memory of 2052 1572 da64ef3f58dcd1477b91418255568f70.exe 104 PID 1572 wrote to memory of 2052 1572 da64ef3f58dcd1477b91418255568f70.exe 104 PID 1572 wrote to memory of 1096 1572 da64ef3f58dcd1477b91418255568f70.exe 105 PID 1572 wrote to memory of 1096 1572 da64ef3f58dcd1477b91418255568f70.exe 105 PID 1572 wrote to memory of 1096 1572 da64ef3f58dcd1477b91418255568f70.exe 105 PID 1572 wrote to memory of 1096 1572 da64ef3f58dcd1477b91418255568f70.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe"C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.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:852 -
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:3516
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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:4264
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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\tmpEABE.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1128
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C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe"C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe"2⤵PID:3688
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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:1572 -
C:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exeC:\Users\Admin\AppData\Local\Temp\da64ef3f58dcd1477b91418255568f70.exe /stext "C:\Users\Admin\AppData\Local\Temp\urmcgwarrsvcpigyqyaycjxofoqtxnq"3⤵PID:3976
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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\urmcgwarrsvcpigyqyaycjxofoqtxnq"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4280
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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\wlsvhpktfanhrocczjvzfwkfovzcyyhcjf"3⤵
- Suspicious use of UnmapMainImage
PID:2052 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 124⤵
- Program crash
PID:3776
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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\hoxfiz"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2052 -ip 20521⤵PID:4372
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
MD561ed08452d2c3ca16351fe4907264c4c
SHA13c8e5e503dc7c29a74ed3631e95a83480e45e1c7
SHA25646cee0f4483234e2f2727d4ed14a4b9040efec93ae2fea9c3fe7c0c489309cc5
SHA51284af9507acf1ba99ef91f1f5ee3a808f648e9620befbf06801c4232f595fcd6a2ae6d2152091146a0dd6a5f97774b05de696c55a46e6cebb1379b12089385214
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5564cae185d26f457f249eaca528e0081
SHA18ad8f5da846d81c265665f10a994c28b6fe54175
SHA256b4d225197eee20440470042b4f97ba4ae530d9de48d202fb03faa76ce55a60d1
SHA5127372dfd43115068f8b4c0ac2ebe979a546ce798d6eae25f6f12a207ee1bb3e311a0f8a60d70c5aa959c841c16a2ba8e1a9fce7665c7217da4a183dc5d3269afe
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Filesize
4KB
MD575379d3dcbcea6a69bc75b884816dd40
SHA17e073a03c3bdbbc60375ddbe56bba211c3d412a6
SHA256cab559f3bbe4a0beb194dffca723b3072184b92687100462eaab04d66fff8de9
SHA512710c2cee369a57a0039fc0d0c59de6118780210ef60ad0daf374f03ba94ab08039bc2aff821f7c99a0ecd0e16189c52e5b6d630b3d541f7b11375f134b985e8c