Analysis
- max time kernel
166s - max time network
164s - platform
windows10_x64 - resource
win10-en - submitted
06/09/2021, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe
Resource
win7v20210408
0 signatures
0 seconds
General
- Target c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe
- Size 1.2MB
- Sample210906-hemp6saee8
- SHA256 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb
- MD5 1dd0b52a3dc8cf4089a474ce314ce041
- SHA1 6f1f3a1a9b9ddb38c4697b0c6da968fb50b0efc2
- SHA512 f4f4201f440b291088c3eee941aa0be50fc4a6a039d7cf7d1a545c720e0f67d930b96b79f901ae6fbcc09990ebdab7265693ffe0d7d24e66930f82e99a29781d
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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remcos
Version
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2.4.5 Pro
Botnet
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admin
C2
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rem-pounds.ddns.net:9970
Attributes
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audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
true
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-YWGXE2
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
-
take_screenshot_title
wikipedia;solitaire;
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WMPDMC.lnk c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3636 set thread context of 4076 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 79 - autoit_exe 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4076-121-0x00000000005539A4-mapping.dmp autoit_exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4076 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3636 wrote to memory of 4076 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 79 PID 3636 wrote to memory of 4076 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 79 PID 3636 wrote to memory of 4076 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 79 PID 3636 wrote to memory of 4076 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 79 PID 3636 wrote to memory of 4076 3636 c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe"C:\Users\Admin\AppData\Local\Temp\c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\Users\Admin\AppData\Local\Temp\c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe"C:\Users\Admin\AppData\Local\Temp\c09a289502c5bf733a43098234e2d085d53fab557ff778e2fcd73e6c502a4fbb.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:4076
-