Analysis
-
max time kernel
299s -
max time network
281s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20-09-2024 07:57
Static task
static1
Behavioral task
behavioral1
Sample
18V4860 TS Light Diesel.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
18V4860 TS Light Diesel.exe
Resource
win10v2004-20240802-en
General
-
Target
18V4860 TS Light Diesel.exe
-
Size
881KB
-
MD5
88ad99bd08e94b721914d8368c3a259b
-
SHA1
8d6518f2ea260d9835c3ed7190808fc263ed010a
-
SHA256
4cce5506593907c3db78282849ed41729ca7cf737e1d38cb82dc10e27d92ff16
-
SHA512
9dece9766da615b5b5b72c1d8167f7c3f54a73d3cc95a024e6b541e7c6c278606d9e8fdba37102cb251ed227a16780630033a6e8dcee9acc075fd417bb8c3e54
-
SSDEEP
24576:qQ/EymH4hro8jGqj56ulEJ8v+FgFOfY823:3yHGrhGqdFlECv+CX
Malware Config
Extracted
remcos
RemoteHost
www.drechftankholding.com:2404
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
dfgh
-
mouse_option
false
-
mutex
Rmc-8J6PG9
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
-
Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4408-108-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2452-111-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3960-109-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4408-108-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3960-109-0x0000000000400000-0x0000000000478000-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 928 powershell.exe 924 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 18V4860 TS Light Diesel.exe -
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Suspicious use of SetThreadContext 7 IoCs
description pid Process procid_target PID 3748 set thread context of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3112 set thread context of 3960 3112 vbc.exe 94 PID 3112 set thread context of 4408 3112 vbc.exe 95 PID 3112 set thread context of 2452 3112 vbc.exe 96 PID 3112 set thread context of 1332 3112 vbc.exe 101 PID 3112 set thread context of 4992 3112 vbc.exe 102 PID 3112 set thread context of 396 3112 vbc.exe 104 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 11 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 18V4860 TS Light Diesel.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 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 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 vbc.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 2028 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 3748 18V4860 TS Light Diesel.exe 924 powershell.exe 928 powershell.exe 3748 18V4860 TS Light Diesel.exe 3748 18V4860 TS Light Diesel.exe 924 powershell.exe 928 powershell.exe 3960 vbc.exe 3960 vbc.exe 2452 vbc.exe 2452 vbc.exe 3960 vbc.exe 3960 vbc.exe 1332 vbc.exe 1332 vbc.exe 1332 vbc.exe 1332 vbc.exe 396 vbc.exe 396 vbc.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 3112 vbc.exe 3112 vbc.exe 3112 vbc.exe 3112 vbc.exe 3112 vbc.exe 3112 vbc.exe 3112 vbc.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3748 18V4860 TS Light Diesel.exe Token: SeDebugPrivilege 924 powershell.exe Token: SeDebugPrivilege 928 powershell.exe Token: SeDebugPrivilege 2452 vbc.exe Token: SeDebugPrivilege 396 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3112 vbc.exe -
Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 3748 wrote to memory of 924 3748 18V4860 TS Light Diesel.exe 82 PID 3748 wrote to memory of 924 3748 18V4860 TS Light Diesel.exe 82 PID 3748 wrote to memory of 924 3748 18V4860 TS Light Diesel.exe 82 PID 3748 wrote to memory of 928 3748 18V4860 TS Light Diesel.exe 84 PID 3748 wrote to memory of 928 3748 18V4860 TS Light Diesel.exe 84 PID 3748 wrote to memory of 928 3748 18V4860 TS Light Diesel.exe 84 PID 3748 wrote to memory of 2028 3748 18V4860 TS Light Diesel.exe 86 PID 3748 wrote to memory of 2028 3748 18V4860 TS Light Diesel.exe 86 PID 3748 wrote to memory of 2028 3748 18V4860 TS Light Diesel.exe 86 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3748 wrote to memory of 3112 3748 18V4860 TS Light Diesel.exe 88 PID 3112 wrote to memory of 3960 3112 vbc.exe 94 PID 3112 wrote to memory of 3960 3112 vbc.exe 94 PID 3112 wrote to memory of 3960 3112 vbc.exe 94 PID 3112 wrote to memory of 3960 3112 vbc.exe 94 PID 3112 wrote to memory of 4408 3112 vbc.exe 95 PID 3112 wrote to memory of 4408 3112 vbc.exe 95 PID 3112 wrote to memory of 4408 3112 vbc.exe 95 PID 3112 wrote to memory of 4408 3112 vbc.exe 95 PID 3112 wrote to memory of 2452 3112 vbc.exe 96 PID 3112 wrote to memory of 2452 3112 vbc.exe 96 PID 3112 wrote to memory of 2452 3112 vbc.exe 96 PID 3112 wrote to memory of 2452 3112 vbc.exe 96 PID 3112 wrote to memory of 1332 3112 vbc.exe 101 PID 3112 wrote to memory of 1332 3112 vbc.exe 101 PID 3112 wrote to memory of 1332 3112 vbc.exe 101 PID 3112 wrote to memory of 1332 3112 vbc.exe 101 PID 3112 wrote to memory of 4992 3112 vbc.exe 102 PID 3112 wrote to memory of 4992 3112 vbc.exe 102 PID 3112 wrote to memory of 4992 3112 vbc.exe 102 PID 3112 wrote to memory of 4992 3112 vbc.exe 102 PID 3112 wrote to memory of 1540 3112 vbc.exe 103 PID 3112 wrote to memory of 1540 3112 vbc.exe 103 PID 3112 wrote to memory of 1540 3112 vbc.exe 103 PID 3112 wrote to memory of 396 3112 vbc.exe 104 PID 3112 wrote to memory of 396 3112 vbc.exe 104 PID 3112 wrote to memory of 396 3112 vbc.exe 104 PID 3112 wrote to memory of 396 3112 vbc.exe 104
Processes
-
C:\Users\Admin\AppData\Local\Temp\18V4860 TS Light Diesel.exe"C:\Users\Admin\AppData\Local\Temp\18V4860 TS Light Diesel.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:3748 -
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\18V4860 TS Light Diesel.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:924
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PNLFWPpnxTlxjH.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:928
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PNLFWPpnxTlxjH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE704.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2028
-
-
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:3112 -
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\thdqpqojxbdufsxcdqove"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3960
-
-
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\ebqjqjzctkvhhylgmaippgiyu"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4408
-
-
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\gvwbrbkehsnlrmhkddvqslvpdhfg"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2452
-
-
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\qkfkawfwhnadvngujm"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1332
-
-
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\sekdboqxvvsixtcyaxoze"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4992
-
-
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\dgxncharjdkmihqckhbtgjulf"3⤵PID:1540
-
-
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\dgxncharjdkmihqckhbtgjulf"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:396
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
144B
MD553e693659fa16e46d124722b58ad85f3
SHA1eec850f37cc0786ecef70884de3b3d9927d0e987
SHA256fcea1243c7f1a50154605cfc41da5754ae0a6277a62ad29795fd46ec6f15f812
SHA5121b1fcc548d82d2fe2d56017d2945591899e1594ab92c25a08540dcbc61c16842c8b1cdfdbe1e6e7cece992fb5a8506f0ab198c6c306009dd8a46b676b0d401c2
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
18KB
MD5ea0b929b1340fa581053ba2af0248da4
SHA1a4cf6c0642ba16ef04b07c98c4663c0c3e8ba7a6
SHA25617a4604b358087c5e0fff17e95da518452b6fac35024f7e481d06252b843698d
SHA5128be3091d0f7d19dd5d492e73757fc9d45733ec8e069eb6e0fb6dfe3b41aa154d4807421960a80ad24cdd6cef7d763856cb6c0568e782cf4b48030c0ef4b27d26
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
4KB
MD5c0ab2847671ed5375328c5127a02cc72
SHA1dc2bcb51562fb17e5c8787833bc0181d88a5b75e
SHA256e961f466a0638bc99182d0056245e2d8bf1ccc13a189b802aada981f379e2384
SHA5120b8b634d21ac71e02cef86687bf84b6fcecfd24dafab8130f42ce8b4b3f308a2e1b1fa7bf8d37f2eda76efae2b30b8d39f41d808d771562d8545ed144241924f
-
Filesize
1KB
MD5aa0a9df7cf24184e56ff8b9c9ed3689a
SHA1de4bd0bed083e7292b7806001b0227cd55fac503
SHA25631d02c1586102d5e13d3808d302546422523fe7c3345e91c59024410b5deee76
SHA512bf2b70931d8eee784657ab72ddccd823c06449671d19a32aa91ac98fd6ead620d07ac217dbf9defc1ddab1f3c5b22cd7e5256fbf9fadf4213d6db454577b7d50