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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
13/02/2024, 05:36
General
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Target
Specifications.scr
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Size
1020KB
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MD5
f03e14fede667def5971cd05001ac26e
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SHA1
c3b194d8b0d66a3a7aa540123f9191f06632c31a
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SHA256
a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f
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SHA512
e38eaa3b4720cd0e0fd002f9d9067991c7b2ded1335a0a8d8872b96ec498a3231bdf99c1347e701b0bf23631e27a2569d62b0671a009562f9effb932c2ff3ff1
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SSDEEP
24576:MtS2xc3m8Y83BarJ3OJJwFcx9wyeZBMI4mCJFix:MQ2x+b3BaN3mwF6yJXWFi
Malware Config
Extracted
remcos
RemoteHost
lora1.taiwantradeglobal.com:2404
lora2.taiwantradeglobal.com:2404
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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-R9UMK0
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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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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) 51 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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Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 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 use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Specifications.scr"C:\Users\Admin\AppData\Local\Temp\Specifications.scr" /S1⤵
- 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\Local\Temp\Specifications.scr"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\QfWagJoK.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\QfWagJoK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD57.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD566c7c5a18a40dc1e238f71735594c74d
SHA1c4d8e6da05392935077c72b4407828b6db3950fc
SHA2568941b89ea3fed787201a9e8eb4903d8e21e778bb39e630eb69b24e30ad3c6fd5
SHA512e52c06681444921d2c83060dd0c5ed13a085117974cc91c76811555619b8d531e85f03257744d075e32299e9225ff4ad3d8b0b80e5599e44268fd1dea9a6ce2a
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Filesize
40KB
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Filesize
216KB
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Filesize
64KB
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Filesize
6.5MB
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Filesize
304KB
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Filesize
68KB
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Filesize
600KB
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Filesize
408KB
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Filesize
64KB
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Filesize
120KB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
64KB
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Filesize
200KB
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Filesize
64KB
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Filesize
64KB
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Filesize
136KB
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Filesize
120KB
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Filesize
7.7MB
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Filesize
56KB
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Filesize
104KB
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Filesize
3.3MB
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Filesize
104KB
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Filesize
64KB
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Filesize
32KB
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Filesize
652KB
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Filesize
80KB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
304KB
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Filesize
64KB
-
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
520KB
-
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
520KB
-
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
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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
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
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
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Filesize
520KB
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Filesize
520KB
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Filesize
40KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
64KB
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Filesize
40KB
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Filesize
80KB
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Filesize
1.0MB
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Filesize
56KB
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Filesize
768KB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB