Analysis
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max time kernel
298s -
max time network
299s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24-10-2024 05:43
Static task
static1
Behavioral task
behavioral1
Sample
5702771896_AWB_20240902_225_20240902.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5702771896_AWB_20240902_225_20240902.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
5702771896_AWB_20240902_225_20240902.exe
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Size
888KB
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MD5
fca7c052afe3a4de2e3d0ce5d500932c
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SHA1
1873d11a40c7a727762ba70780a43a810f168333
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SHA256
f85e3c3cace64f9432cc9588a77cb687cdca8378ec16334923849913632973ce
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SHA512
b6cc45932fe3b6f0042e26609ad3a114872f044a667fbcdcd619e01380e03c77f203d88cbce79a09997ad645eb6f1a7d86217c1ec0f0667d8cc995cc28bb988c
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SSDEEP
12288:k9QQTGWRJxjcm4Z2dDnD7V1xk3ZCB8w6unDxGlxqHkZ084Y5bzY9n8+q8tiB/h5:FQTGWPxImi21Tx1J6uDxaxqHg7098+6n
Malware Config
Extracted
remcos
RemoteHost
23.227.202.197:2404
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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-QPTXAI
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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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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Detected Nirsoft tools 8 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/1304-34-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2108-33-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2108-32-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/1304-31-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/1272-39-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/1272-42-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2108-47-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/1304-54-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1304-34-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/1304-31-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/1304-54-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2108-33-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2108-32-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2108-47-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Loads dropped DLL 2 IoCs
pid Process 2756 5702771896_AWB_20240902_225_20240902.exe 2756 5702771896_AWB_20240902_225_20240902.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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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 5702771896_AWB_20240902_225_20240902.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2652 5702771896_AWB_20240902_225_20240902.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2756 5702771896_AWB_20240902_225_20240902.exe 2652 5702771896_AWB_20240902_225_20240902.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2756 set thread context of 2652 2756 5702771896_AWB_20240902_225_20240902.exe 30 PID 2652 set thread context of 2108 2652 5702771896_AWB_20240902_225_20240902.exe 32 PID 2652 set thread context of 1304 2652 5702771896_AWB_20240902_225_20240902.exe 33 PID 2652 set thread context of 1272 2652 5702771896_AWB_20240902_225_20240902.exe 34 -
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 5702771896_AWB_20240902_225_20240902.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5702771896_AWB_20240902_225_20240902.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5702771896_AWB_20240902_225_20240902.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5702771896_AWB_20240902_225_20240902.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5702771896_AWB_20240902_225_20240902.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2108 5702771896_AWB_20240902_225_20240902.exe 2108 5702771896_AWB_20240902_225_20240902.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 2756 5702771896_AWB_20240902_225_20240902.exe 2652 5702771896_AWB_20240902_225_20240902.exe 2652 5702771896_AWB_20240902_225_20240902.exe 2652 5702771896_AWB_20240902_225_20240902.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1272 5702771896_AWB_20240902_225_20240902.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2652 5702771896_AWB_20240902_225_20240902.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2756 wrote to memory of 2652 2756 5702771896_AWB_20240902_225_20240902.exe 30 PID 2756 wrote to memory of 2652 2756 5702771896_AWB_20240902_225_20240902.exe 30 PID 2756 wrote to memory of 2652 2756 5702771896_AWB_20240902_225_20240902.exe 30 PID 2756 wrote to memory of 2652 2756 5702771896_AWB_20240902_225_20240902.exe 30 PID 2756 wrote to memory of 2652 2756 5702771896_AWB_20240902_225_20240902.exe 30 PID 2756 wrote to memory of 2652 2756 5702771896_AWB_20240902_225_20240902.exe 30 PID 2652 wrote to memory of 2108 2652 5702771896_AWB_20240902_225_20240902.exe 32 PID 2652 wrote to memory of 2108 2652 5702771896_AWB_20240902_225_20240902.exe 32 PID 2652 wrote to memory of 2108 2652 5702771896_AWB_20240902_225_20240902.exe 32 PID 2652 wrote to memory of 2108 2652 5702771896_AWB_20240902_225_20240902.exe 32 PID 2652 wrote to memory of 1304 2652 5702771896_AWB_20240902_225_20240902.exe 33 PID 2652 wrote to memory of 1304 2652 5702771896_AWB_20240902_225_20240902.exe 33 PID 2652 wrote to memory of 1304 2652 5702771896_AWB_20240902_225_20240902.exe 33 PID 2652 wrote to memory of 1304 2652 5702771896_AWB_20240902_225_20240902.exe 33 PID 2652 wrote to memory of 1272 2652 5702771896_AWB_20240902_225_20240902.exe 34 PID 2652 wrote to memory of 1272 2652 5702771896_AWB_20240902_225_20240902.exe 34 PID 2652 wrote to memory of 1272 2652 5702771896_AWB_20240902_225_20240902.exe 34 PID 2652 wrote to memory of 1272 2652 5702771896_AWB_20240902_225_20240902.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exe"C:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exe"C:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exeC:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exe /stext "C:\Users\Admin\AppData\Local\Temp\fusngzvyedgexbkwpgap"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2108
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C:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exeC:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exe /stext "C:\Users\Admin\AppData\Local\Temp\qwfxhkfaslyjzpghyqnqslp"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1304
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C:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exeC:\Users\Admin\AppData\Local\Temp\5702771896_AWB_20240902_225_20240902.exe /stext "C:\Users\Admin\AppData\Local\Temp\sqlqicquntqwjvulpbzkvykgtq"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1272
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5bf70c538372bea698c8ee68784f944fe
SHA130e7b529fa307e23d690838c25c07551534316cf
SHA256ffb690fcccbfd22df99a2d339841b9eb11824d640abeaa26e2cd418dca99fce6
SHA5122c0e7554dd4ecedc37b530b4b6a83f2b0eb155f1a293223267a957fdc6e2fe03757eb0a4819c7ac10489e38491c1bdb27784b6ab148d3abea9fd34478012908c
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
11KB
MD59625d5b1754bc4ff29281d415d27a0fd
SHA180e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA256c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
SHA512dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b