Analysis
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max time kernel
150s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05-10-2022 12:51
Static task
static1
Behavioral task
behavioral1
Sample
PO 16395.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
PO 16395.exe
Resource
win10v2004-20220901-en
General
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Target
PO 16395.exe
-
Size
17KB
-
MD5
a7c4cbcc1aaeb9918d38822d4d382349
-
SHA1
7069859f77406fa4b71de748665cb5708677941d
-
SHA256
8bbd6b6b3b575d119502eeb547ba8a17243bddb103f12b5e052eada6e5dec27e
-
SHA512
77b7718e853661b61c9ec279e8c15e251636c27b0f4a49c9d0f7703b04d8a1b484ee52fbed8e8ab81098b4a968bfbc059c794d4691925d5b6511b7a0ae492eb5
-
SSDEEP
384:nJHvMswZji7RCwLn+JUL+Vg2eRBwdmZlZ:hvMTG7AqKAR6dMZ
Malware Config
Extracted
remcos
50005
45.155.165.117:50005
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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
jubjutgwfkpjgsh-G1HYQL
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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
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO 16395.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rkmbn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Qbqxanaft\\Rkmbn.exe\"" PO 16395.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO 16395.exedescription pid process target process PID 1096 set thread context of 428 1096 PO 16395.exe PO 16395.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 1992 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO 16395.exepowershell.exedescription pid process Token: SeDebugPrivilege 1096 PO 16395.exe Token: SeDebugPrivilege 1992 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
PO 16395.exedescription pid process target process PID 1096 wrote to memory of 1992 1096 PO 16395.exe powershell.exe PID 1096 wrote to memory of 1992 1096 PO 16395.exe powershell.exe PID 1096 wrote to memory of 1992 1096 PO 16395.exe powershell.exe PID 1096 wrote to memory of 1992 1096 PO 16395.exe powershell.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe PID 1096 wrote to memory of 428 1096 PO 16395.exe PO 16395.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 16395.exe"C:\Users\Admin\AppData\Local\Temp\PO 16395.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANAA4AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\PO 16395.exe"C:\Users\Admin\AppData\Local\Temp\PO 16395.exe"2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/428-73-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-64-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-66-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-69-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-68-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-81-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-75-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-80-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-63-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-76-0x00000000004327A4-mapping.dmp
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memory/428-71-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-79-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-70-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/1096-57-0x0000000005070000-0x0000000005102000-memory.dmpFilesize
584KB
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memory/1096-56-0x0000000005450000-0x000000000552E000-memory.dmpFilesize
888KB
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memory/1096-54-0x0000000000FD0000-0x0000000000FDA000-memory.dmpFilesize
40KB
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memory/1096-55-0x0000000075ED1000-0x0000000075ED3000-memory.dmpFilesize
8KB
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memory/1992-61-0x000000006FA30000-0x000000006FFDB000-memory.dmpFilesize
5.7MB
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memory/1992-58-0x0000000000000000-mapping.dmp
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memory/1992-62-0x000000006FA30000-0x000000006FFDB000-memory.dmpFilesize
5.7MB
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memory/1992-60-0x000000006FA30000-0x000000006FFDB000-memory.dmpFilesize
5.7MB