Analysis
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max time kernel
148s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20231129-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) 26 IoCs
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Detects executables built or packed with MPress PE compressor 18 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
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NirSoft MailPassView 2 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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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 7 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 36 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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\tmp5E08.tmp"2⤵
- Creates scheduled task(s)
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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:\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\uecseqyyhqz"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\scxzexne"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\fypcxiizvyrvoi"3⤵
- 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
MD5fe6e67371af34eb705698f87dc3c437d
SHA13a08bba6028baf8541cc54494f7886d05a6681d1
SHA256007ddae344fddcb9c10818659e2fd4c90baf7480757bb9a70740de2584f2eb08
SHA512834d9a32f831f35c1edba2ed248d700b4611ee6b9cb905ca43c1f904e664d421b650bd27cb0f511c29f6644bab3f4eb095b7ea1be78dee8ac8876c903fac6bd3
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1KB
MD541bd38f5d18e8513fa2be46b82c1aee2
SHA11005884323ee5fd84af372a71a393fdba2542090
SHA256e52cb5ba1d96e048436988e77d9206c5eb283863c32352642e3713f7f91cd292
SHA512e5028cfba04612ea050adac7852af8089a74d5121102e020fb03fd715f919ad99904440cb71ce1721d1629b3e28f335bb837d4f490e83db3c16e167457b85684
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Filesize
480KB
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Filesize
480KB
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Filesize
480KB
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Filesize
480KB
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Filesize
792KB
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Filesize
6.9MB
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Filesize
960KB
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Filesize
6.9MB
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Filesize
56KB
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Filesize
40KB
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Filesize
256KB
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Filesize
80KB
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Filesize
348KB
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Filesize
348KB
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Filesize
348KB
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Filesize
348KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
256KB
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Filesize
256KB
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Filesize
256KB
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Filesize
5.7MB
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Filesize
520KB
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Filesize
100KB
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Filesize
520KB
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Filesize
520KB
-
Filesize
520KB
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Filesize
520KB
-
Filesize
520KB
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Filesize
520KB
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Filesize
520KB
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Filesize
520KB
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Filesize
520KB
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Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
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Filesize
4KB
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Filesize
520KB
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Filesize
520KB
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Filesize
520KB
-
Filesize
520KB
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Filesize
520KB
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Filesize
520KB
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Filesize
520KB
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Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
100KB
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Filesize
100KB
-
Filesize
100KB
-
Filesize
520KB
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Filesize
520KB
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Filesize
520KB
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Filesize
520KB
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Filesize
520KB
-
Filesize
520KB
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Filesize
100KB
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Filesize
144KB
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Filesize
144KB
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Filesize
144KB
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Filesize
144KB
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Filesize
144KB