Analysis
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max time kernel
117s -
max time network
163s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
28-10-2021 09:18
Static task
static1
Behavioral task
behavioral1
Sample
Quotation Specification.pdf.scr
Resource
win7-en-20211014
General
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Target
Quotation Specification.pdf.scr
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Size
527KB
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MD5
cd86e429ead3cceb1f87d7c3c4d868cf
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SHA1
d75887eae42e29de244e49183a35ee02229a9898
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SHA256
cfa12c6334900de0f6c39f5db7d49ab9b5ac343ac7dc54ae1428e85702157b63
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SHA512
edc85311f55e4a4dfdba5ba34d393d42205ea8961491bb313c3d97ace8344c0a844bf880aa37908ee3bd2263c96da8733b10df24a1d9e72118ed9cfe24791b0c
Malware Config
Extracted
nanocore
1.2.2.0
harold.accesscam.org:6051
harold.2waky.com:6051
ed2d5ce0-ca4d-4264-be01-91a018d59d09
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activate_away_mode
true
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backup_connection_host
harold.2waky.com
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2019-07-13T12:05:45.695760236Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
6051
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default_group
INV TO BID
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
ed2d5ce0-ca4d-4264-be01-91a018d59d09
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
harold.accesscam.org
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
true
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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Suspicious use of SetThreadContext 1 IoCs
Processes:
Quotation Specification.pdf.scrdescription pid process target process PID 756 set thread context of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
RegSvcs.exepid process 4616 RegSvcs.exe 4616 RegSvcs.exe 4616 RegSvcs.exe 4616 RegSvcs.exe 4616 RegSvcs.exe 4616 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 4616 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4616 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Quotation Specification.pdf.scrdescription pid process target process PID 756 wrote to memory of 3964 756 Quotation Specification.pdf.scr schtasks.exe PID 756 wrote to memory of 3964 756 Quotation Specification.pdf.scr schtasks.exe PID 756 wrote to memory of 3964 756 Quotation Specification.pdf.scr schtasks.exe PID 756 wrote to memory of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe PID 756 wrote to memory of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe PID 756 wrote to memory of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe PID 756 wrote to memory of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe PID 756 wrote to memory of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe PID 756 wrote to memory of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe PID 756 wrote to memory of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe PID 756 wrote to memory of 4616 756 Quotation Specification.pdf.scr RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation Specification.pdf.scr"C:\Users\Admin\AppData\Local\Temp\Quotation Specification.pdf.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KrczpYbD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9566.tmp"2⤵
- Creates scheduled task(s)
PID:3964
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4616
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