Analysis
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max time kernel
81s -
max time network
78s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
21-11-2024 14:17
General
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Target
40f06c637aab5f71d01f1e83e35fc68e36e1ce06.gz
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Size
939KB
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MD5
0bc9c53a5ab3751ae26c126f9570331a
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SHA1
40f06c637aab5f71d01f1e83e35fc68e36e1ce06
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SHA256
18fd9d6f7a1c06ffafc021a893b4d374b0167ad412a44f8695f0a6c191e1f945
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SHA512
2a96a5d5e8200de1f089d1a3d0b6867a0ecbdb8df7cd61001e27fa7c7485dfce96f860c4efd8c794cc2e401f2feeaaca2baffd04180c2fc49c410fec379d7f82
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SSDEEP
24576:MrPkzH6GbaiKIrWM8kXBtR4mZhHUagn4/icouRK:M26lzIR5XBH4mPHUaQ4/icd0
Malware Config
Extracted
remcos
Host
oyo.work.gd:3142
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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
vlc
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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
true
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
pdf
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mouse_option
false
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mutex
jkm-I9KENP
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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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startup_value
ios
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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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Remcos family
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Executes dropped EXE 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of FindShellTrayWindow 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\40f06c637aab5f71d01f1e83e35fc68e36e1ce06.gz"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Users\Admin\Desktop\800399031-18.11.2024.pdf.exe"C:\Users\Admin\Desktop\800399031-18.11.2024.pdf.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Desktop\800399031-18.11.2024.pdf.exe"C:\Users\Admin\Desktop\800399031-18.11.2024.pdf.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD53700881ce7e91bcfd2d0405a045d06ad
SHA19677c87b5895a0b00f38f5832544227b1559576d
SHA2560e6f3d1c76975299624a8e1972144e81fe4e7b4f7fcfc7cde196d0237b5c6855
SHA512c9828c9ee8e225a3ec3940097cc9924925c29f3d29da38f7e536d2a37d01c0e874b48c0b287ca2d480d69c72f4ecf40ca9f27adc198b952bf4982af6a87cac7b
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Filesize
1.2MB
MD545894c9891ec824514cac826a7cf310d
SHA1f31c98e48e07bce2db4baefbba0d61f9448635a5
SHA25674187b7287a272af25f995d7f5e1a124eace0f38d497b8672e2a02df5343b6bf
SHA5124a240d09bc14b6b25d61bbf639631a7f5684dcf1f262df93bfd336ade2a0ed62bed72485d596df6e8a667183fcd8171f54cd786f5cb36a5982b1177760ae3634
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
1.2MB
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Filesize
584KB
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Filesize
768KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
72KB
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Filesize
4KB
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Filesize
624KB
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Filesize
40KB