Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
13/02/2024, 05:08
General
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Target
RDF 803809-2024.exe
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Size
937KB
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MD5
685d0cf6a7f9a3f12b98110fcc16d717
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SHA1
8ec6dd9509451e038c883b8ddf8f43706b93f901
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SHA256
2ece57a04cf8f636ba7ac6755ad274c86e35871e66622ffd1f84a322140b2f90
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SHA512
7244b2574517c62b51c554755e3a6e7701aa24421e0c38b7f8999fa792ce739d9714e3bb267db8d954bc4c7937aac727f91ee702faeecf9dfdcd404d59a761c5
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SSDEEP
24576:eJz87bm+r7rP3yvSS8OVffAJVLZwPzHjVos1:eJz87rr7rKvzfAJV1wPCs1
Malware Config
Extracted
remcos
RemoteHost
paygateme.net:2286
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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-WTDTSU
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screenshot_crypt
true
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screenshot_flag
true
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
1
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos
Remcos is a closed-source remote control and surveillance software.
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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 23 IoCs
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Detects executables built or packed with MPress PE compressor 20 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 3 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs
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NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
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NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
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Nirsoft 7 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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
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Suspicious use of SetThreadContext 4 IoCs
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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 12 IoCs
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Suspicious behavior: MapViewOfSection 3 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 30 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe"C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\uGEroiv.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uGEroiv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF56.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe"C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe"C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\wakz"3⤵
- Accesses Microsoft Outlook accounts
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C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe"C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\lyfhtrszvxsyedbfrgdugbhbwqlrgxjd"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe"C:\Users\Admin\AppData\Local\Temp\RDF 803809-2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\guxknco"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD52ffe4e2c7f1e0bddbcf31718b063ef05
SHA1bb2038969bc118df502134deb3ed1e77a8e0194d
SHA256b8f82f8b434608f35ed7ab29faf6cf05b9ccb9024b1a381c0c53cac71c8f3096
SHA512a769fafa74dbe1a3910503e6bc3f273ad2555e5a12538ba44d9a2f4f1cca083f456ed5b3831d8533ee3a50706ac053e91462fbaf37290d2d091ede71c20273aa
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5fdaa8866c905accc6ed1cb0f204b0f2c
SHA1cf3a1f2d3841e3d52f3875df2bc1ff667ba8c774
SHA25696db24a652541fb09e22d3dc23495c0475a4dbd2bd2dd6bb4d2aa98b1ae591ad
SHA51202fae866918ca0250be91c2b85baf1a65d5cb295e6f995f0814c0a20ad1192a78f44b8a456bf1b52c9e202d523e7685157cbd2930bec483481463b7926309f2f
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Filesize
1KB
MD5c27183ee3645083845d8e30982955020
SHA18c2ec8e873c36879c4ec2dff4c41b3f042d4b2eb
SHA25647a5831ba2b47c76152b84e72250d8c7529cafad1261273c668b5e91343f1b7f
SHA51264a030cbcc2de12f0048ffea0cdbd87696282766aaf1552433c8230177f6fb79b813af832517b9a27adb044386259c28697be4f99fd9b1b13a4517046cf60e50
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Filesize
792KB
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Filesize
7.7MB
-
Filesize
624KB
-
Filesize
80KB
-
Filesize
40KB
-
Filesize
56KB
-
Filesize
64KB
-
Filesize
584KB
-
Filesize
5.6MB
-
Filesize
40KB
-
Filesize
7.7MB
-
Filesize
960KB
-
Filesize
64KB
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Filesize
7.7MB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
520KB
-
Filesize
100KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
100KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
100KB
-
Filesize
100KB
-
Filesize
100KB
-
Filesize
520KB
-
Filesize
100KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
64KB
-
Filesize
104KB
-
Filesize
32KB
-
Filesize
7.7MB
-
Filesize
136KB
-
Filesize
64KB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
56KB
-
Filesize
6.2MB
-
Filesize
3.3MB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
68KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
80KB
-
Filesize
64KB
-
Filesize
216KB
-
Filesize
600KB
-
Filesize
40KB
-
Filesize
104KB
-
Filesize
6.5MB
-
Filesize
652KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
200KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
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Filesize
480KB