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Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/09/2024, 10:51
Static task
static1
Behavioral task
behavioral1
Sample
AWB#81311002907.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
AWB#81311002907.exe
Resource
win10v2004-20240802-en
General
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Target
AWB#81311002907.exe
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Size
931KB
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MD5
c8b97aad582adb6ccddc6f3e74bda215
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SHA1
bbf2e45bd5af0695f5f82fed5728a480a7fd4c04
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SHA256
d26670d5f425962b546d10ecd4d148f5884a3f392afe1c5fb4426466d4454c34
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SHA512
7ede8146da39ea716cd6c64f3a60ca324566c3000cb5c1275f5f1563cca726ec8b97420c7e4620f4fe998f8542896bb99294cef83a7e8bfae2e1e46fb4bbc100
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SSDEEP
24576:9elw4o5E6Gkf1CGkuH2sz6rtlHa08qsCJAUke0O:9elw4o5E+C1ttl605X3ko
Malware Config
Extracted
remcos
Sept. 04C
154.216.20.211:6902
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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-YGC9WY
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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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/5024-88-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/3800-91-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3756-97-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3800-91-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/5024-88-0x0000000000400000-0x0000000000478000-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 2616 powershell.exe 1156 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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation AWB#81311002907.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts AWB#81311002907.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3828 set thread context of 816 3828 AWB#81311002907.exe 102 PID 816 set thread context of 5024 816 AWB#81311002907.exe 103 PID 816 set thread context of 3800 816 AWB#81311002907.exe 104 PID 816 set thread context of 3756 816 AWB#81311002907.exe 105 -
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 8 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 AWB#81311002907.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AWB#81311002907.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AWB#81311002907.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AWB#81311002907.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AWB#81311002907.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 1380 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2616 powershell.exe 1156 powershell.exe 1156 powershell.exe 2616 powershell.exe 5024 AWB#81311002907.exe 5024 AWB#81311002907.exe 3756 AWB#81311002907.exe 3756 AWB#81311002907.exe 5024 AWB#81311002907.exe 5024 AWB#81311002907.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 816 AWB#81311002907.exe 816 AWB#81311002907.exe 816 AWB#81311002907.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 3756 AWB#81311002907.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 816 AWB#81311002907.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 3828 wrote to memory of 2616 3828 AWB#81311002907.exe 96 PID 3828 wrote to memory of 2616 3828 AWB#81311002907.exe 96 PID 3828 wrote to memory of 2616 3828 AWB#81311002907.exe 96 PID 3828 wrote to memory of 1156 3828 AWB#81311002907.exe 98 PID 3828 wrote to memory of 1156 3828 AWB#81311002907.exe 98 PID 3828 wrote to memory of 1156 3828 AWB#81311002907.exe 98 PID 3828 wrote to memory of 1380 3828 AWB#81311002907.exe 100 PID 3828 wrote to memory of 1380 3828 AWB#81311002907.exe 100 PID 3828 wrote to memory of 1380 3828 AWB#81311002907.exe 100 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 3828 wrote to memory of 816 3828 AWB#81311002907.exe 102 PID 816 wrote to memory of 5024 816 AWB#81311002907.exe 103 PID 816 wrote to memory of 5024 816 AWB#81311002907.exe 103 PID 816 wrote to memory of 5024 816 AWB#81311002907.exe 103 PID 816 wrote to memory of 5024 816 AWB#81311002907.exe 103 PID 816 wrote to memory of 3800 816 AWB#81311002907.exe 104 PID 816 wrote to memory of 3800 816 AWB#81311002907.exe 104 PID 816 wrote to memory of 3800 816 AWB#81311002907.exe 104 PID 816 wrote to memory of 3800 816 AWB#81311002907.exe 104 PID 816 wrote to memory of 3756 816 AWB#81311002907.exe 105 PID 816 wrote to memory of 3756 816 AWB#81311002907.exe 105 PID 816 wrote to memory of 3756 816 AWB#81311002907.exe 105 PID 816 wrote to memory of 3756 816 AWB#81311002907.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exe"C:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3828 -
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\AWB#81311002907.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616
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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\iVWcGN.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1156
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iVWcGN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F85.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1380
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C:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exe"C:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exeC:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exe /stext "C:\Users\Admin\AppData\Local\Temp\bqkcjuetvhyhuumsu"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5024
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C:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exeC:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exe /stext "C:\Users\Admin\AppData\Local\Temp\dtxujmpujpqmfaawmdix"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:3800
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C:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exeC:\Users\Admin\AppData\Local\Temp\AWB#81311002907.exe /stext "C:\Users\Admin\AppData\Local\Temp\oncfkfaofxirhpwivovzifhw"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3756
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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
144B
MD59c69a188197b4347a208ec25fd6e89e7
SHA18bf63d94573db4e07c4d70f2fc0e69edbe092a97
SHA256c33b98bc824d55e3549936921ce268c6e339292641f16b7843e8d711f5a3dae6
SHA512bab7fc2367a9f08c0c8198ff83dbeebaa7381552a0a4952e8f8bbb9e014ae10a768b91ddf0cd329207b2d9c16173a98e97cca961230b47ba272e7a8e7f6d155c
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD52147e844db202003562123bb983dce95
SHA1b729786d2ca3d3c27d16928c8e62fefafc4b9362
SHA25621e55ad6793823dc614778ccc6eacb5c8df6f87e1b7e139bd10a48f56815fb80
SHA512d002155620a4e9f93b02ba2d70ed55f3866f0aecdd827280d96b6436071d49a28d7dd4373233015225fd82b97f1741b8ce7ed2a05807edf601fa7fd7cfa383ab
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5ea01dd92b15d2f570f6b167dad2d1fd0
SHA17b89141d4c3eb2f29d096f28a9bfe66eb006224a
SHA2560515f49138d74283f9ac1042fd1a384f715b74c2b99193454dbb0cd585097727
SHA5120e7695aea30250a41829fa4abb681b8c3ed4c0955e18f1f9f3a5456bfb3a76f016f538e557bf29b99ab6ab48c846f9fa3c4bccd8cb5fe73099a81b5946029ec8
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Filesize
1KB
MD51c3fb615de39d69f98133d9beeedac1c
SHA1be6239f027445b084fd7497bdeed945246f3d157
SHA256bb8c78a28847add29f6fc08ab4997abda1b70a6b51ed34e1a66b43091cf1f6a9
SHA51229fd39e2f275da431eb766db3bbb660fc48e19bd98e40ad9384b2a3476145d689bd87afdb8abf60bef46804aa0a7f4bf114a3edf00a3d0fec6ea6f715f734407