Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17-10-2024 06:02
General
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Target
PO OCTOBER 2024 _ PDF.exe
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Size
1.0MB
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MD5
3ac10da2561b50bc38b8c8e328850965
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SHA1
4fcd399954d96ff5ed99e1e142049441ff40e5e9
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SHA256
e3fe07f87b41a5b796c4bf9d657c482367668ea4de33fa86bf6bc75b9904357f
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SHA512
32652516c763628831e9fde805054cd706d1a32f67569f6187ea5198f580c7aecfa3d5fecb1f808e5e060837aba9bbf1cd182285e2161d8945a727cc1f54ca1b
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SSDEEP
24576:RYPWVKIQMfAmKIPHi70rXV0TP0TDAS3y7zIeYOCW/yVXiCIVl1:REW0IQYfw0dnguxW+Xi9Vn
Malware Config
Extracted
remcos
RemoteHost
162.251.122.111:2404
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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-JXEKG5
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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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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Remcos
Remcos is a closed-source remote control and surveillance software.
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Detected Nirsoft tools 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
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NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
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Loads dropped DLL 1 IoCs
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Reads user/profile data of web browsers 3 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 NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 4 IoCs
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Drops file in Windows directory 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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System Location Discovery: System Language Discovery 1 TTPs 5 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 behavior: EnumeratesProcesses 6 IoCs
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Suspicious behavior: MapViewOfSection 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe" /stext "C:\Users\Admin\AppData\Local\Temp\gszqacfafwv"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe" /stext "C:\Users\Admin\AppData\Local\Temp\rmmabuqttenexr"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO OCTOBER 2024 _ PDF.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tortcnavhmfrhfphnl"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- 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
MD574f3f7f8029ed0aa44cf7e57cad0198e
SHA1ebccbbfac5240a84ca1906d083dec31297bb0387
SHA25640f53adbaf35ecd0382f4d15cad3d00003dceee197c719c34cf1a5d9b0188566
SHA51223b639a280121dbeaa8010172d91337d499f9c4223757f91f005a8b948bda1cf60fd888798cedc8c9b3cdf3af8d8aef73b531fb0ddae6463ce2887d5aa16ca6f
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Filesize
4KB
MD517eece3240d08aa4811cf1007cfe2585
SHA16c10329f61455d1c96e041b6f89ee6260af3bd0f
SHA2567cc0db44c7b23e4894fe11f0d8d84b2a82ad667eb1e3504192f3ba729f9a7903
SHA512a7de8d6322410ec89f76c70a7159645e8913774f38b84aafeeeb9f90dc3b9aa74a0a280d0bb6674790c04a8ff2d059327f02ebfda6c4486778d53b7fc6da6370
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Filesize
11KB
MD5fc90dfb694d0e17b013d6f818bce41b0
SHA13243969886d640af3bfa442728b9f0dff9d5f5b0
SHA2567fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
SHA512324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6
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Filesize
392KB
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Filesize
392KB
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Filesize
392KB
-
Filesize
392KB
-
Filesize
392KB
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Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
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Filesize
4KB
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Filesize
21.1MB
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Filesize
1.1MB
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Filesize
21.1MB
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Filesize
21.1MB
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Filesize
1.1MB
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Filesize
18.3MB
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Filesize
4KB
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Filesize
4KB
-
Filesize
100KB
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Filesize
100KB
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Filesize
100KB
-
Filesize
18.3MB
-
Filesize
18.3MB
-
Filesize
18.3MB
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Filesize
21.1MB
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Filesize
18.3MB
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Filesize
18.3MB
-
Filesize
18.3MB
-
Filesize
18.3MB
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Filesize
18.3MB
-
Filesize
18.3MB
-
Filesize
18.3MB
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Filesize
18.3MB