Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
05/04/2024, 13:11
General
- Target GST e-Payment Challan.exe
- Size 548KB
- Sample240405-qext5sde48
- SHA256 2a0a27371b6f4d355c3264fcc668d8a0fe1af7ebb8b19dca3b5cdf20a3282d65
Malware Config
Extracted
-
remcos
-
1.7 Pro
-
gg
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62.102.148.185:9771
-
audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
newstart
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keylog_path
%AppData%
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mouse_option
false
-
mutex
remcos_wgwfvnfssp
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screens
-
screenshot_path
%AppData%
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screenshot_time
1
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startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.exe"C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.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\Local\Temp\GST e-Payment Challan.exe"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\oFkpbhjTJbn.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\oFkpbhjTJbn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C40.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.exe"C:\Users\Admin\AppData\Local\Temp\GST e-Payment Challan.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_jtd235kd.da0.ps1
tmp9C40.tmp
memory/1028-84-0x00000000022D0000-0x00000000022E0000-memory.dmp
memory/1028-18-0x00000000022D0000-0x00000000022E0000-memory.dmp
memory/1028-92-0x0000000007090000-0x00000000070A4000-memory.dmp
memory/1028-90-0x0000000007050000-0x0000000007061000-memory.dmp
memory/1028-89-0x00000000070D0000-0x0000000007166000-memory.dmp
memory/1028-87-0x0000000006E50000-0x0000000006E6A000-memory.dmp
memory/1028-23-0x0000000004A10000-0x0000000004A32000-memory.dmp
memory/1028-60-0x0000000006CA0000-0x0000000006CD2000-memory.dmp
memory/1028-16-0x00000000021A0000-0x00000000021D6000-memory.dmp
memory/1028-93-0x0000000007190000-0x00000000071AA000-memory.dmp
memory/1028-17-0x0000000074790000-0x0000000074F40000-memory.dmp
memory/1028-19-0x0000000004C90000-0x00000000052B8000-memory.dmp
memory/1028-70-0x0000000070F40000-0x0000000070F8C000-memory.dmp
memory/1028-59-0x000000007F480000-0x000000007F490000-memory.dmp
memory/1028-22-0x00000000022D0000-0x00000000022E0000-memory.dmp
memory/1028-55-0x0000000005B70000-0x0000000005BBC000-memory.dmp
memory/1028-94-0x0000000007170000-0x0000000007178000-memory.dmp
memory/1028-42-0x0000000005550000-0x00000000058A4000-memory.dmp
memory/1028-100-0x0000000074790000-0x0000000074F40000-memory.dmp
memory/1488-57-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-37-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-115-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-49-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-50-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-114-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-53-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-113-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-112-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-56-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-111-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-110-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-109-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-108-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-107-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-106-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-105-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-104-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1488-103-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1980-8-0x00000000068F0000-0x0000000006950000-memory.dmp
memory/1980-11-0x0000000005410000-0x0000000005420000-memory.dmp
memory/1980-9-0x000000000A330000-0x000000000A3CC000-memory.dmp
memory/1980-52-0x0000000074790000-0x0000000074F40000-memory.dmp
memory/1980-10-0x0000000074790000-0x0000000074F40000-memory.dmp
memory/1980-7-0x0000000005630000-0x000000000563C000-memory.dmp
memory/1980-0-0x0000000000A30000-0x0000000000ABE000-memory.dmp
memory/1980-6-0x0000000005610000-0x0000000005620000-memory.dmp
memory/1980-5-0x0000000005520000-0x000000000552A000-memory.dmp
memory/1980-4-0x0000000005410000-0x0000000005420000-memory.dmp
memory/1980-3-0x0000000005480000-0x0000000005512000-memory.dmp
memory/1980-2-0x0000000005B10000-0x00000000060B4000-memory.dmp
memory/1980-1-0x0000000074790000-0x0000000074F40000-memory.dmp
memory/5084-101-0x0000000074790000-0x0000000074F40000-memory.dmp
memory/5084-62-0x000000007FB10000-0x000000007FB20000-memory.dmp
memory/5084-73-0x0000000006FB0000-0x0000000006FCE000-memory.dmp
memory/5084-74-0x0000000004BC0000-0x0000000004BD0000-memory.dmp
memory/5084-86-0x00000000079B0000-0x000000000802A000-memory.dmp
memory/5084-61-0x0000000070F40000-0x0000000070F8C000-memory.dmp
memory/5084-20-0x0000000074790000-0x0000000074F40000-memory.dmp
memory/5084-85-0x0000000007230000-0x00000000072D3000-memory.dmp
memory/5084-21-0x0000000004BC0000-0x0000000004BD0000-memory.dmp
memory/5084-91-0x00000000075A0000-0x00000000075AE000-memory.dmp
memory/5084-25-0x0000000005020000-0x0000000005086000-memory.dmp
memory/5084-54-0x0000000006050000-0x000000000606E000-memory.dmp
memory/5084-88-0x00000000073E0000-0x00000000073EA000-memory.dmp
memory/5084-26-0x0000000005A20000-0x0000000005A86000-memory.dmp