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Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/12/2024, 02:26
Static task
static1
Behavioral task
behavioral1
Sample
7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe
Resource
win10v2004-20241007-en
General
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Target
7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe
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Size
832KB
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MD5
f443c222255e35ee6dd0e194360c23ce
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SHA1
a8c84df31a575ab84e6255b89351ce877c9619c8
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SHA256
7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b
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SHA512
ca58f238cf2599fabd5c34faa34630e2f158cc87a612ad1783a5982b7c835bf7941ee68699dc3e9486f01b578caf6ac53a15f22b92398aa32c8d8742d202fe53
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SSDEEP
12288:OeB1Nd/75yaHV5epXyU8+uggQdbGqDEEiHczNGNB4aEPvl1bDDdOJVe3e+mraL:OW1D5yeV5eNyB7QtHDE3HcE0DA8mraL
Malware Config
Extracted
remcos
RemoteHost
192.210.150.26:3678
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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-MKYDDH
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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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe = "0" 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe -
Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4092-43-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1728-41-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/984-40-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/984-40-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1728-41-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2444 powershell.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe -
Uses the VBS compiler for execution 1 TTPs
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe = "0" 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1668 set thread context of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 5104 set thread context of 1728 5104 vbc.exe 92 PID 5104 set thread context of 984 5104 vbc.exe 93 PID 5104 set thread context of 4092 5104 vbc.exe 94 -
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 4 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 vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2444 powershell.exe 2444 powershell.exe 1728 vbc.exe 1728 vbc.exe 4092 vbc.exe 4092 vbc.exe 1728 vbc.exe 1728 vbc.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 5104 vbc.exe 5104 vbc.exe 5104 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2444 powershell.exe Token: SeDebugPrivilege 4092 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5104 vbc.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1668 wrote to memory of 2444 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 86 PID 1668 wrote to memory of 2444 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 86 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 1668 wrote to memory of 5104 1668 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe 88 PID 5104 wrote to memory of 1728 5104 vbc.exe 92 PID 5104 wrote to memory of 1728 5104 vbc.exe 92 PID 5104 wrote to memory of 1728 5104 vbc.exe 92 PID 5104 wrote to memory of 1728 5104 vbc.exe 92 PID 5104 wrote to memory of 984 5104 vbc.exe 93 PID 5104 wrote to memory of 984 5104 vbc.exe 93 PID 5104 wrote to memory of 984 5104 vbc.exe 93 PID 5104 wrote to memory of 984 5104 vbc.exe 93 PID 5104 wrote to memory of 4092 5104 vbc.exe 94 PID 5104 wrote to memory of 4092 5104 vbc.exe 94 PID 5104 wrote to memory of 4092 5104 vbc.exe 94 PID 5104 wrote to memory of 4092 5104 vbc.exe 94 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe"C:\Users\Admin\AppData\Local\Temp\7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe"1⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1668 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2444
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\mbwsjprcyhqmgkgbdyeovzhenkausnzjzd"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1728
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ovkkkhc"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:984
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\yxpdksmxax"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4092
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
4Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5f7a7774d539876e8acee49378e580434
SHA1b4d3116448179163db50b37ffbfc438a2fbc1619
SHA2561cf0aa9b8e67ba22b9a3d568e108ea0f410bb1b2a86817e09eb3870c006e490d
SHA51266bdcd4aea0719eff21819802975ac4c38794c3ff3f90ae9e16bf304d50b8d7236debf8a159e38d8f83cb501e0d8556183d7d2632391f53ceaf817af4caa757e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5c3c5f2de99b7486f697634681e21bab0
SHA100f90d495c0b2b63fde6532e033fdd2ade25633d
SHA25676296dc29f718988107d35d0e0b835c2bf3fc7405e79e5121aa4738f82b51582
SHA5127c60ffdc093de30e793d20768877f2f586bee3e948767871f9a1139252d5d2f593ba6f88ce0ed5f72c79faddb26186792df0581e4b6c84d405c44d9d12f951b8