Analysis
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max time kernel
149s -
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
21/08/2024, 10:35
Static task
static1
Behavioral task
behavioral1
Sample
81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe
Resource
win10v2004-20240802-en
General
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Target
81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe
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Size
1023KB
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MD5
7b3227d251b8705a239fa50ca8070e9c
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SHA1
651a7aeec8cbc13f226377ad187d5fc420b22633
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SHA256
81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96
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SHA512
c6f77c480860002447ff0c252501afc750255f89fad805c39cd036b3f582ff6a2c5e14a5477d2af5014bec84d315e9e66d51a3d329f0bc3cf1608e4a9f85a141
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SSDEEP
24576:XHH6h1OnUfbU8QQgV/1hilQgu4FEYTZJr1nzZV8zBVdoGJb84:38Zoj/Vgu4W0pzf8loi
Malware Config
Extracted
remcos
RemoteHost
192.3.243.155:7643
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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-C9YEJ8
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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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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 2172 powershell.exe 3496 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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4544 set thread context of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.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 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.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 4328 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2172 powershell.exe 3496 powershell.exe 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 3496 powershell.exe 2172 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2172 powershell.exe Token: SeDebugPrivilege 3496 powershell.exe Token: SeDebugPrivilege 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1676 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4544 wrote to memory of 2172 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 95 PID 4544 wrote to memory of 2172 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 95 PID 4544 wrote to memory of 2172 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 95 PID 4544 wrote to memory of 3496 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 97 PID 4544 wrote to memory of 3496 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 97 PID 4544 wrote to memory of 3496 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 97 PID 4544 wrote to memory of 4328 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 99 PID 4544 wrote to memory of 4328 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 99 PID 4544 wrote to memory of 4328 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 99 PID 4544 wrote to memory of 4776 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 101 PID 4544 wrote to memory of 4776 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 101 PID 4544 wrote to memory of 4776 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 101 PID 4544 wrote to memory of 1780 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 102 PID 4544 wrote to memory of 1780 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 102 PID 4544 wrote to memory of 1780 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 102 PID 4544 wrote to memory of 4392 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 103 PID 4544 wrote to memory of 4392 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 103 PID 4544 wrote to memory of 4392 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 103 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104 PID 4544 wrote to memory of 1676 4544 81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.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:4544 -
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\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2172
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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\IpoUfzz.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3496
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IpoUfzz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB10.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4328
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C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"2⤵PID:4776
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C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"2⤵PID:1780
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C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"2⤵PID:4392
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C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"C:\Users\Admin\AppData\Local\Temp\81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD553ed69071a4376d66462df2c152c01fe
SHA12d81ebada2f5ca8468dc2adb4ede01a9e06e9cbd
SHA256109adc4fb83dc1d3f2e44a2d292379654016decc0796bcbdbd3cd34e75cd6fa2
SHA512e06af032bb7e370fd7515b0f0f58a121d6208fbb4bee7e94b6000d352258866e18119a06795e37aaffa3b728bf357f419fc553ad0dceee4db898fb8fb99f3418
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5c72bb44adea329da734b94c50d07d3a9
SHA15ca94e1b6a9307f492c50270df317ceab8533ef7
SHA25640f72f94eb7b18c34382a8b2b87552b3bfa4eea70d653d4864b000395fdda8f7
SHA512295ee3006b1b50a803769e5a65c2210c072991504b0ddf5230d13bdcf0458748afd092890df15fea8d7f7faa3a434823183e1b3b25ed05afd7290a7c06d660f0
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD589b8b99ec3c9eec243baeab539f7b0ef
SHA1e14c1f855a33d3ec179a0a5b386795506ac6204f
SHA2560f983eeddf4775da86a925e214bf2c6580d3c396be8d2aae40a6de054027653d
SHA51227c5d688b6370412b85b2ceb422796db1b2d15c29c3b51449afae053de8b300895006bb911d89c66a14c2fd50dd7e1cb11779fafb98b0ad1ecb50aa49a7f6bc9