Analysis
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max time kernel
162s -
max time network
163s -
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 17 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 17 IoCs
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Suspicious behavior: MapViewOfSection 4 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 33 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\tmp30EE.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\luorkruaojfgxlfaakehkby"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\vobbkjftcrxlzrcejurinoswym"3⤵
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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\gqhulcqvqzppjyqiafdkybnnzsllzp"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\vobbkjftcrxlzrcejurinoswym"3⤵
- Accesses Microsoft Outlook accounts
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5f9b151eb17612a9d9b239593bff2e566
SHA1b7ee6f8cf227446258bcb652a6e2575e67939f2d
SHA256e7bea7341b8d40b64414851026615aec0381d3a6cce264a301c32c3459688005
SHA512c88262fbe6eecfbe268ad554df4e9d7b01f31d8989d4356226061cac1853013ca0c92c65f18ab6b60f5d20c0d4ad62ced61baa3f6a1ebe53d9a2e3125cb4d8f6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD53681164a9bab3b641febe410d6818901
SHA105b98c7891e31da671b83ec9d1ffcb9c0dbf1228
SHA256ce5000909571aef49b782e23e9723bc68c9d8a9dc1e7b56374885da71851bb64
SHA5128161b45baee4d27b54ed37b90b0db2d3b34bb88d5767982e2c14fac1e7da72fa9d1f3f1de86bd45519c131f97ced8640c62ebfe83af8b25b08430986d83f3030
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Filesize
1KB
MD55efdffc4914db8a0ff1bca33ac70e58f
SHA18baa7c549a45977f8c0fce5cc603ef05d8467f84
SHA256d99bbb48bef6671cc26a7d32161ce10bcdba8d4063095e3892dc3e1cfb7b6f27
SHA5122b08185dec4743219b7757c346341991582fca88ae9c069fb2429308104f44dfa1b3c4ea60cf52daa6c293428a6913b6de817c341111c2b31f002b7cf5640cf2
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Filesize
3.3MB
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Filesize
304KB
-
Filesize
104KB
-
Filesize
64KB
-
Filesize
80KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
216KB
-
Filesize
64KB
-
Filesize
6.2MB
-
Filesize
200KB
-
Filesize
56KB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
32KB
-
Filesize
120KB
-
Filesize
120KB
-
Filesize
652KB
-
Filesize
6.5MB
-
Filesize
104KB
-
Filesize
136KB
-
Filesize
68KB
-
Filesize
600KB
-
Filesize
40KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
584KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
624KB
-
Filesize
40KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
40KB
-
Filesize
792KB
-
Filesize
5.6MB
-
Filesize
56KB
-
Filesize
64KB
-
Filesize
960KB
-
Filesize
80KB
-
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
520KB
-
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
520KB
-
Filesize
520KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB