Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe
Resource
win10v2004-20240426-en
General
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Target
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe
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Size
985KB
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MD5
f5b954f0119303d3d0ef657666b75cb3
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SHA1
dbf749bf18d503c440a681863b6c84a80083de62
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SHA256
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740
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SHA512
d7c140fb74a87670109ed116be731d9820978d322c69b85fb11c75455049fb975e9955ba2b5d549fbf1c077e3352fb7fb16190b3b1d3bc76de26f1727ededef3
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SSDEEP
24576:TSYMFniyyZ6Pqc2Duhz/s8dTGMjqLpHr:pMFnyZ82DuhzfCHdHr
Malware Config
Extracted
remcos
RemoteHost
alibabaforwader10.ddns.net:60247
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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-AC7NKA
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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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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 15 IoCs
Processes:
resource yara_rule behavioral2/memory/4028-49-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-48-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-54-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-51-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-56-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-103-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-104-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-109-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-110-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-116-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-117-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-122-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-123-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-128-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/4028-130-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
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.
Processes:
powershell.exepowershell.exepid process 3872 powershell.exe 1468 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exedescription pid process target process PID 4548 set thread context of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exepowershell.exepowershell.exepid process 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 1468 powershell.exe 3872 powershell.exe 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 3872 powershell.exe 1468 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe Token: SeDebugPrivilege 1468 powershell.exe Token: SeDebugPrivilege 3872 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exepid process 4028 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exedescription pid process target process PID 4548 wrote to memory of 1468 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe powershell.exe PID 4548 wrote to memory of 1468 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe powershell.exe PID 4548 wrote to memory of 1468 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe powershell.exe PID 4548 wrote to memory of 3872 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe powershell.exe PID 4548 wrote to memory of 3872 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe powershell.exe PID 4548 wrote to memory of 3872 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe powershell.exe PID 4548 wrote to memory of 748 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe schtasks.exe PID 4548 wrote to memory of 748 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe schtasks.exe PID 4548 wrote to memory of 748 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe schtasks.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe PID 4548 wrote to memory of 4028 4548 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548 -
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\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1468
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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\YbOWhnO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YbOWhnO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F20.tmp"2⤵
- Creates scheduled task(s)
PID:748
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C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:4028
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5f6a402f225e1bc58108ddf2820344346
SHA1ec2d4a30acd8444a10a5d503c00816173680e2b8
SHA256328bccb471b87020abf600ca17d903dba0fa875ec087ee28c16560c8f782121a
SHA512ccb6c96e87374a0b074840fb7b018947bc3960666ba004964d9ea93b449d5fd9f27dfd613002078a03d4e9bd4862f7dcc1bd6ddfe165b5b71d9ea4db4fc5b674
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD57fe0c9fc98a81bddc4d653b2d90ddb83
SHA13d1034dff06e62106ec2ff904e24d6e1f235434f
SHA2562f24f043124177f1a043bb541687d1ca039f96c8bc9d79d81ce20a5c54d80884
SHA5126e97e2b6eecf82c2de396f1609802f333353c0f5e153451e28ac757d29994e15566d8711954eaf41ced7e16cd53f685cdb288ab4226c0a98b1cf3b12d58f01f5
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5575419d1c948e04dbcdf941cfc98d729
SHA1b862cd31f675a80e1be081f611210a8fb59e50ca
SHA256583e6a022b162ce6de1b0a8355a79761c2258d6e47bd178054cf65bd40a0d73d
SHA51207c13872f96c8e6babd8bc987de6a86d02fd2fdc229b972c24b10c704cb49d10e9762e99b6a905bea459fc019ca1d888cd183488c397b7ddd27fd35d6dd8245b