Analysis
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max time kernel
153s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2022 18:56
Static task
static1
Behavioral task
behavioral1
Sample
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe
Resource
win7-20220812-en
General
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Target
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe
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Size
851KB
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MD5
b21939c8f60b333a602450ce9ed8e5c8
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SHA1
999bfff04341d174c02978a42d572e96909192bc
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SHA256
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291
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SHA512
6bf7c99ad2aa4e83afbe5af99cdcccccb1bf00759b25c8c88ab5bccb074fddb4f205d35b6c9189fa5008ef27bad2984a6a20e2da4a7b032d72766b77d2cc4235
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SSDEEP
12288:kgrZqWiXsPnmx0Ap1OynaWM1ITRtEbmOkdbIIRkxJ5g7v:kgrwWiXEVAp1OydMUtEbbQEI65k
Malware Config
Extracted
nanocore
1.2.2.0
45.137.22.36:4837
vps.rootlayer.net:4837
a34ff911-f69f-4250-a136-9f7dda1ff095
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activate_away_mode
true
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backup_connection_host
vps.rootlayer.net
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-11-26T04:44:00.669256236Z
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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
4837
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default_group
root1
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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
true
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
a34ff911-f69f-4250-a136-9f7dda1ff095
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
45.137.22.36
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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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe -
Processes:
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exedescription pid process target process PID 1628 set thread context of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.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 4 IoCs
Processes:
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exepid process 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 2620 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 2620 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 2620 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exepid process 2620 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exedescription pid process Token: SeDebugPrivilege 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe Token: SeDebugPrivilege 2620 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exedescription pid process target process PID 1628 wrote to memory of 848 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe schtasks.exe PID 1628 wrote to memory of 848 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe schtasks.exe PID 1628 wrote to memory of 848 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe schtasks.exe PID 1628 wrote to memory of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe PID 1628 wrote to memory of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe PID 1628 wrote to memory of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe PID 1628 wrote to memory of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe PID 1628 wrote to memory of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe PID 1628 wrote to memory of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe PID 1628 wrote to memory of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe PID 1628 wrote to memory of 2620 1628 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe"C:\Users\Admin\AppData\Local\Temp\7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QpHPkzgcBelvAL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F9F.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe"C:\Users\Admin\AppData\Local\Temp\7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp5F9F.tmpFilesize
1KB
MD56a00a9331a9094624265fc82fb80c981
SHA1fc11de4fd6c8764cdf38b147363650a3e2e46e24
SHA2561720b14b690696fbb1a435d19f5432326580caf8ccf2c5b2325c13f2d0241b22
SHA51295cb868e8ad5f1a85af7da41bd6e602385f1ad3b59b04371efd0144161caa2611d80c53dfa5866641ea489e2869491be896176f4161dbf052cd252e916386e7e
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memory/848-138-0x0000000000000000-mapping.dmp
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memory/1628-132-0x00000000008C0000-0x000000000099A000-memory.dmpFilesize
872KB
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memory/1628-133-0x00000000052D0000-0x000000000536C000-memory.dmpFilesize
624KB
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memory/1628-134-0x0000000005970000-0x0000000005F14000-memory.dmpFilesize
5.6MB
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memory/1628-135-0x0000000005460000-0x00000000054F2000-memory.dmpFilesize
584KB
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memory/1628-136-0x00000000053E0000-0x00000000053EA000-memory.dmpFilesize
40KB
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memory/1628-137-0x0000000005660000-0x00000000056B6000-memory.dmpFilesize
344KB
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memory/2620-140-0x0000000000000000-mapping.dmp
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memory/2620-141-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB