Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 07:41
Behavioral task
behavioral1
Sample
rem.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
rem.exe
Resource
win10v2004-20240508-en
General
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Target
rem.exe
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Size
483KB
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MD5
06f5b8dffc6c138828adbc7f29cfc7f0
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SHA1
b59ef5d613a1e49c7034c3ee05780ce054ca0054
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SHA256
03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7
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SHA512
e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893
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SSDEEP
6144:aXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNx5Gv:aX7tPMK8ctGe4Dzl4h2QnuPs/ZDIcv
Malware Config
Extracted
remcos
Remote
leetboy.dynuddns.net:1998
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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
svcs.exe
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copy_folder
microsofts
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delete_file
false
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hide_file
false
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hide_keylog_file
true
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install_flag
true
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install_path
%AppData%
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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
logsa
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mouse_option
false
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mutex
Rmc-3XK1S0
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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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Executes dropped EXE 1 IoCs
Processes:
svcs.exepid process 2468 svcs.exe -
Loads dropped DLL 2 IoCs
Processes:
rem.exepid process 2152 rem.exe 2152 rem.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
rem.exesvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" rem.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" rem.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" svcs.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" svcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
svcs.exepid process 2468 svcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
rem.exedescription pid process target process PID 2152 wrote to memory of 2468 2152 rem.exe svcs.exe PID 2152 wrote to memory of 2468 2152 rem.exe svcs.exe PID 2152 wrote to memory of 2468 2152 rem.exe svcs.exe PID 2152 wrote to memory of 2468 2152 rem.exe svcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\rem.exe"C:\Users\Admin\AppData\Local\Temp\rem.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe"C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\ProgramData\logsa\logs.datFilesize
144B
MD50d6d3dbbcb9f1b094640b67091184143
SHA1099926e76eb82c9d5ca6bf7fcd3ebaa8f9c967c3
SHA2564bec9d1425d920cd394eca4340dbf361a8e44c18d5012a69ccaf5218aaab5162
SHA512b071e7a8ba7dc408fb20633559c4f1b353c06a353c88cf854302c04de082c683020bd9c1ab824989a09c5e7d4b6249ef53ae27a79e5010931de1275ff036c71f
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\Users\Admin\AppData\Roaming\microsofts\svcs.exeFilesize
483KB
MD506f5b8dffc6c138828adbc7f29cfc7f0
SHA1b59ef5d613a1e49c7034c3ee05780ce054ca0054
SHA25603ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7
SHA512e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893