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Analysis
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max time kernel
150s -
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
08/12/2024, 07:41
Static task
static1
Behavioral task
behavioral1
Sample
IB9876789000.bat.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
IB9876789000.bat.exe
Resource
win10v2004-20241007-en
General
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Target
IB9876789000.bat.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" IB9876789000.bat.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths IB9876789000.bat.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\IB9876789000.bat.exe = "0" IB9876789000.bat.exe -
Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/1692-38-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4176-44-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/2956-35-0x0000000000400000-0x0000000000478000-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 IB9876789000.bat.exe -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/1692-38-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/2956-35-0x0000000000400000-0x0000000000478000-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 2144 powershell.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools IB9876789000.bat.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 IB9876789000.bat.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion IB9876789000.bat.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation IB9876789000.bat.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\IB9876789000.bat.exe = "0" IB9876789000.bat.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths IB9876789000.bat.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions IB9876789000.bat.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts csc.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA IB9876789000.bat.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" IB9876789000.bat.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 IB9876789000.bat.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 IB9876789000.bat.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3552 set thread context of 3260 3552 IB9876789000.bat.exe 91 PID 3260 set thread context of 2956 3260 csc.exe 97 PID 3260 set thread context of 1692 3260 csc.exe 98 PID 3260 set thread context of 4176 3260 csc.exe 99 -
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 csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2144 powershell.exe 2144 powershell.exe 2956 csc.exe 2956 csc.exe 4176 csc.exe 4176 csc.exe 2956 csc.exe 2956 csc.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3260 csc.exe 3260 csc.exe 3260 csc.exe 3260 csc.exe 3260 csc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2144 powershell.exe Token: SeDebugPrivilege 4176 csc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3260 csc.exe -
Suspicious use of WriteProcessMemory 46 IoCs
description pid Process procid_target PID 3552 wrote to memory of 2144 3552 IB9876789000.bat.exe 87 PID 3552 wrote to memory of 2144 3552 IB9876789000.bat.exe 87 PID 3552 wrote to memory of 2636 3552 IB9876789000.bat.exe 88 PID 3552 wrote to memory of 2636 3552 IB9876789000.bat.exe 88 PID 3552 wrote to memory of 2636 3552 IB9876789000.bat.exe 88 PID 3552 wrote to memory of 2636 3552 IB9876789000.bat.exe 88 PID 3552 wrote to memory of 2636 3552 IB9876789000.bat.exe 88 PID 3552 wrote to memory of 2636 3552 IB9876789000.bat.exe 88 PID 3552 wrote to memory of 2636 3552 IB9876789000.bat.exe 88 PID 3552 wrote to memory of 2636 3552 IB9876789000.bat.exe 88 PID 3552 wrote to memory of 1164 3552 IB9876789000.bat.exe 90 PID 3552 wrote to memory of 1164 3552 IB9876789000.bat.exe 90 PID 3552 wrote to memory of 1164 3552 IB9876789000.bat.exe 90 PID 3552 wrote to memory of 1164 3552 IB9876789000.bat.exe 90 PID 3552 wrote to memory of 1164 3552 IB9876789000.bat.exe 90 PID 3552 wrote to memory of 1164 3552 IB9876789000.bat.exe 90 PID 3552 wrote to memory of 1164 3552 IB9876789000.bat.exe 90 PID 3552 wrote to memory of 1164 3552 IB9876789000.bat.exe 90 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3552 wrote to memory of 3260 3552 IB9876789000.bat.exe 91 PID 3260 wrote to memory of 3180 3260 csc.exe 95 PID 3260 wrote to memory of 3180 3260 csc.exe 95 PID 3260 wrote to memory of 3180 3260 csc.exe 95 PID 3260 wrote to memory of 4156 3260 csc.exe 96 PID 3260 wrote to memory of 4156 3260 csc.exe 96 PID 3260 wrote to memory of 4156 3260 csc.exe 96 PID 3260 wrote to memory of 2956 3260 csc.exe 97 PID 3260 wrote to memory of 2956 3260 csc.exe 97 PID 3260 wrote to memory of 2956 3260 csc.exe 97 PID 3260 wrote to memory of 2956 3260 csc.exe 97 PID 3260 wrote to memory of 1692 3260 csc.exe 98 PID 3260 wrote to memory of 1692 3260 csc.exe 98 PID 3260 wrote to memory of 1692 3260 csc.exe 98 PID 3260 wrote to memory of 1692 3260 csc.exe 98 PID 3260 wrote to memory of 4176 3260 csc.exe 99 PID 3260 wrote to memory of 4176 3260 csc.exe 99 PID 3260 wrote to memory of 4176 3260 csc.exe 99 PID 3260 wrote to memory of 4176 3260 csc.exe 99 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" IB9876789000.bat.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\IB9876789000.bat.exe"C:\Users\Admin\AppData\Local\Temp\IB9876789000.bat.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:3552 -
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\IB9876789000.bat.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2144
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C:\Windows\System32\svchost.exe"C:\Windows\System32\svchost.exe"2⤵PID:2636
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C:\Windows\System32\calc.exe"C:\Windows\System32\calc.exe"2⤵PID:1164
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\rsomwgmmrasbrrtkyhgpsyqi"3⤵PID:3180
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\rsomwgmmrasbrrtkyhgpsyqi"3⤵PID:4156
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\rsomwgmmrasbrrtkyhgpsyqi"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2956
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\buufwzxfeikotxpohstqvllzcqn"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1692
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\dpzxxrhhaqctdddsydnsgxfidxwmpyg"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4176
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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
MD57789f76864c4ae6a91336f8c6e147117
SHA1be87a9b47e706106939a8f5e76621a5a797127d1
SHA256682b75d8c2f74f360ae40c1c31d472f9bb0dc9e45dd6aa5633eda3ad0c65841e
SHA51204014f1ea54cbaba1dd9eee9a56a5b4bc2ee4e32a6fafea3c2b16bcfd12dfc153123f1924fc607398b5ff717f861ba6db6543955093fdcc17bf65c6775336159
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD579f35c7500a5cc739c1974804710441f
SHA124fdf1fa45049fc1a83925c45357bc3058bad060
SHA256897101ed9da25ab0f10e8ad1aeb8dabc3282ccfdb6d3171dbac758117b8731f4
SHA51203281e8abecff4e7d1f563596a4fd2513e016b7fbf011a455141460f9448d00b4a4666d2036cb448a8ac9a6feebeb51b366289ffa2ee5524a062fe8869aec61e