Analysis
-
max time kernel
99s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
04-07-2022 10:35
Static task
static1
Behavioral task
behavioral1
Sample
CPSPM_328850_12656860179_pdf.exe
Resource
win7-20220414-en
General
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Target
CPSPM_328850_12656860179_pdf.exe
-
Size
865KB
-
MD5
a1cae12bf28fe87a4ac72a07ba8ee588
-
SHA1
7b50eced7533928bb4c6ea832b870321eb7511fd
-
SHA256
0289b5c2829170ad4bb04daedbd3db5e56474415aee109a91a66ba9fa8a7a179
-
SHA512
da9a05b6d8bfba596439efbdf7d84a05897d31a4a66b8608ab47879d6ee951064685040bb57c4462a30920a3858bed4984fa9eb4e2994f6bd1a7ec4e20079edb
Malware Config
Extracted
nanocore
1.2.2.0
config.linkpc.net:3425
e5ec3588-c148-476e-a8f8-2e9038dcba4d
-
activate_away_mode
true
- backup_connection_host
- backup_dns_server
-
buffer_size
65535
-
build_time
2022-04-01T12:01:12.053123736Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
3425
-
default_group
Default
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
e5ec3588-c148-476e-a8f8-2e9038dcba4d
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
config.linkpc.net
-
primary_dns_server
config.linkpc.net
-
request_elevation
true
-
restart_delay
5000
-
run_delay
15
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
-
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
-
Processes:
CPSPM_328850_12656860179_pdf.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA CPSPM_328850_12656860179_pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CPSPM_328850_12656860179_pdf.exedescription pid process target process PID 1960 set thread context of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
CPSPM_328850_12656860179_pdf.exepowershell.exeCPSPM_328850_12656860179_pdf.exepid process 1960 CPSPM_328850_12656860179_pdf.exe 1960 CPSPM_328850_12656860179_pdf.exe 1960 CPSPM_328850_12656860179_pdf.exe 1960 CPSPM_328850_12656860179_pdf.exe 972 powershell.exe 1748 CPSPM_328850_12656860179_pdf.exe 1748 CPSPM_328850_12656860179_pdf.exe 1748 CPSPM_328850_12656860179_pdf.exe 1748 CPSPM_328850_12656860179_pdf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
CPSPM_328850_12656860179_pdf.exepid process 1748 CPSPM_328850_12656860179_pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
CPSPM_328850_12656860179_pdf.exepowershell.exeCPSPM_328850_12656860179_pdf.exedescription pid process Token: SeDebugPrivilege 1960 CPSPM_328850_12656860179_pdf.exe Token: SeDebugPrivilege 972 powershell.exe Token: SeDebugPrivilege 1748 CPSPM_328850_12656860179_pdf.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
CPSPM_328850_12656860179_pdf.exeCPSPM_328850_12656860179_pdf.exedescription pid process target process PID 1960 wrote to memory of 972 1960 CPSPM_328850_12656860179_pdf.exe powershell.exe PID 1960 wrote to memory of 972 1960 CPSPM_328850_12656860179_pdf.exe powershell.exe PID 1960 wrote to memory of 972 1960 CPSPM_328850_12656860179_pdf.exe powershell.exe PID 1960 wrote to memory of 972 1960 CPSPM_328850_12656860179_pdf.exe powershell.exe PID 1960 wrote to memory of 1332 1960 CPSPM_328850_12656860179_pdf.exe schtasks.exe PID 1960 wrote to memory of 1332 1960 CPSPM_328850_12656860179_pdf.exe schtasks.exe PID 1960 wrote to memory of 1332 1960 CPSPM_328850_12656860179_pdf.exe schtasks.exe PID 1960 wrote to memory of 1332 1960 CPSPM_328850_12656860179_pdf.exe schtasks.exe PID 1960 wrote to memory of 1936 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1936 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1936 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1936 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1128 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1128 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1128 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1128 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1960 wrote to memory of 1748 1960 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe PID 1748 wrote to memory of 608 1748 CPSPM_328850_12656860179_pdf.exe schtasks.exe PID 1748 wrote to memory of 608 1748 CPSPM_328850_12656860179_pdf.exe schtasks.exe PID 1748 wrote to memory of 608 1748 CPSPM_328850_12656860179_pdf.exe schtasks.exe PID 1748 wrote to memory of 608 1748 CPSPM_328850_12656860179_pdf.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tOzYewoc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tOzYewoc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD692.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDD26.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpD692.tmpFilesize
1KB
MD5dd82a7c004df07714a0394dab9aa2c9e
SHA171e2aeddf5ffa499d477f773f4aa0cbc9fe6eeb3
SHA25620560743c17c11ee9569cb9a7ba114b4b9ee3510244de7edc83f6f890fc6bec8
SHA512da442418097d038e8b69c0f7ec36e4ea195c767ae92ddc9c812ea761d8be31c920b11a8494f68b54dca59bfce74b26a36bb3471b4d48c0a1a489b4923fc2706e
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C:\Users\Admin\AppData\Local\Temp\tmpDD26.tmpFilesize
1KB
MD5a8bb564d4daefc1ae61c28fc719f8262
SHA19c69f25a7da56ddec1d6f8b048e91339ff621c0f
SHA256a31e293fa5953f5b62b87251e1b698d5b65436142e219891c2ec6964ecc56e7b
SHA5125f7d8becd31054368904d616f3c834cae50ced5f887bbc832bb1c69bce640b1757a486830e528d6ea8d4744fff226cac4e411b99e989164296a8062398244e72
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memory/608-79-0x0000000000000000-mapping.dmp
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memory/972-84-0x000000006E230000-0x000000006E7DB000-memory.dmpFilesize
5.7MB
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memory/972-78-0x000000006E230000-0x000000006E7DB000-memory.dmpFilesize
5.7MB
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memory/972-60-0x0000000000000000-mapping.dmp
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memory/1332-61-0x0000000000000000-mapping.dmp
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memory/1748-87-0x0000000000860000-0x000000000086E000-memory.dmpFilesize
56KB
-
memory/1748-82-0x0000000000750000-0x000000000076E000-memory.dmpFilesize
120KB
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memory/1748-96-0x0000000004760000-0x0000000004774000-memory.dmpFilesize
80KB
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memory/1748-65-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1748-66-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1748-68-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1748-69-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1748-71-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1748-72-0x000000000041E792-mapping.dmp
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memory/1748-74-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1748-76-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1748-95-0x0000000004850000-0x000000000487E000-memory.dmpFilesize
184KB
-
memory/1748-94-0x0000000004700000-0x000000000470E000-memory.dmpFilesize
56KB
-
memory/1748-93-0x00000000042E0000-0x00000000042F4000-memory.dmpFilesize
80KB
-
memory/1748-81-0x0000000000740000-0x000000000074A000-memory.dmpFilesize
40KB
-
memory/1748-92-0x0000000002120000-0x0000000002130000-memory.dmpFilesize
64KB
-
memory/1748-83-0x0000000000770000-0x000000000077A000-memory.dmpFilesize
40KB
-
memory/1748-91-0x0000000002110000-0x0000000002124000-memory.dmpFilesize
80KB
-
memory/1748-85-0x00000000007E0000-0x00000000007F2000-memory.dmpFilesize
72KB
-
memory/1748-86-0x00000000007F0000-0x000000000080A000-memory.dmpFilesize
104KB
-
memory/1748-90-0x00000000009D0000-0x00000000009DE000-memory.dmpFilesize
56KB
-
memory/1748-88-0x00000000009B0000-0x00000000009C2000-memory.dmpFilesize
72KB
-
memory/1748-89-0x00000000009C0000-0x00000000009CC000-memory.dmpFilesize
48KB
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memory/1960-54-0x0000000000180000-0x000000000025E000-memory.dmpFilesize
888KB
-
memory/1960-55-0x0000000075DE1000-0x0000000075DE3000-memory.dmpFilesize
8KB
-
memory/1960-59-0x0000000008010000-0x000000000808E000-memory.dmpFilesize
504KB
-
memory/1960-56-0x00000000049C0000-0x0000000004A4C000-memory.dmpFilesize
560KB
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memory/1960-57-0x0000000000680000-0x00000000006A0000-memory.dmpFilesize
128KB
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memory/1960-58-0x00000000006B0000-0x00000000006BE000-memory.dmpFilesize
56KB
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memory/1960-64-0x0000000008230000-0x000000000826A000-memory.dmpFilesize
232KB