Analysis
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max time kernel
146s -
max time network
146s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 14:06
Static task
static1
Behavioral task
behavioral1
Sample
30942ca86a84fe502f5fd7d82ad9fcca.exe
Resource
win7v20210410
General
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Target
30942ca86a84fe502f5fd7d82ad9fcca.exe
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Size
1.4MB
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MD5
30942ca86a84fe502f5fd7d82ad9fcca
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SHA1
dbbef61d1dea3d75d817bde033bbb46547064303
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SHA256
7e07bde93d122c059f5b159267f273d05ff8ac8bec540f3ae3bc7c8cd32f1fc7
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SHA512
a4e2b5d3f4dd4a6f8b60d86a2d1e851e9daa2b013cbbace6a9eef752a85c945331afc52e178181146dd2ca3291d812846e445a5313ade5bd6206151aa82447cd
Malware Config
Extracted
nanocore
1.2.2.0
79.134.225.50:83
nassiru1166.webhop.me:83
ff5d7452-ecaf-474e-b312-1d34eb4979b2
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activate_away_mode
true
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backup_connection_host
nassiru1166.webhop.me
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2021-01-28T23:55:30.477872536Z
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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
83
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default_group
Me Alone
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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
ff5d7452-ecaf-474e-b312-1d34eb4979b2
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
79.134.225.50
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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:
30942ca86a84fe502f5fd7d82ad9fcca.exedescription pid process target process PID 540 set thread context of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe 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 7 IoCs
Processes:
30942ca86a84fe502f5fd7d82ad9fcca.exeRegSvcs.exepid process 540 30942ca86a84fe502f5fd7d82ad9fcca.exe 540 30942ca86a84fe502f5fd7d82ad9fcca.exe 540 30942ca86a84fe502f5fd7d82ad9fcca.exe 612 RegSvcs.exe 612 RegSvcs.exe 612 RegSvcs.exe 612 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 612 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
30942ca86a84fe502f5fd7d82ad9fcca.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 540 30942ca86a84fe502f5fd7d82ad9fcca.exe Token: SeDebugPrivilege 612 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
30942ca86a84fe502f5fd7d82ad9fcca.exedescription pid process target process PID 540 wrote to memory of 1764 540 30942ca86a84fe502f5fd7d82ad9fcca.exe schtasks.exe PID 540 wrote to memory of 1764 540 30942ca86a84fe502f5fd7d82ad9fcca.exe schtasks.exe PID 540 wrote to memory of 1764 540 30942ca86a84fe502f5fd7d82ad9fcca.exe schtasks.exe PID 540 wrote to memory of 1764 540 30942ca86a84fe502f5fd7d82ad9fcca.exe schtasks.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe PID 540 wrote to memory of 612 540 30942ca86a84fe502f5fd7d82ad9fcca.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\30942ca86a84fe502f5fd7d82ad9fcca.exe"C:\Users\Admin\AppData\Local\Temp\30942ca86a84fe502f5fd7d82ad9fcca.exe"1⤵
- 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\gLbxBhRIg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp849B.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- 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\tmp849B.tmpMD5
74d06b0c5d351209f604994e24cc4389
SHA1e9eb8adc61610d28c4393760ab1fac4d2356bca6
SHA256d113d87eb9ce67014838b43b768f9b704baefc4a92766a98f386e6c786d2418a
SHA5126d1e3f6d4cd25e7a4314675047f7b6e16622d3dea917df5c27ab22e89c588c3352a812bbc80b0abd25cdacbfc4eb15c98b5eceb8bc1bf7cb9dac7182519dce68
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memory/540-62-0x0000000004960000-0x0000000004961000-memory.dmpFilesize
4KB
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memory/540-63-0x0000000000710000-0x0000000000719000-memory.dmpFilesize
36KB
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memory/540-64-0x000000007EF40000-0x000000007EF41000-memory.dmpFilesize
4KB
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memory/540-65-0x0000000005220000-0x00000000052F2000-memory.dmpFilesize
840KB
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memory/540-66-0x0000000001000000-0x000000000108B000-memory.dmpFilesize
556KB
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memory/540-60-0x00000000010A0000-0x00000000010A1000-memory.dmpFilesize
4KB
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memory/612-80-0x0000000000800000-0x000000000080D000-memory.dmpFilesize
52KB
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memory/612-78-0x00000000006E0000-0x00000000006E7000-memory.dmpFilesize
28KB
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memory/612-70-0x000000000041E792-mapping.dmp
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memory/612-71-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/612-73-0x0000000004E60000-0x0000000004E61000-memory.dmpFilesize
4KB
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memory/612-74-0x0000000000640000-0x0000000000645000-memory.dmpFilesize
20KB
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memory/612-75-0x0000000000650000-0x000000000065D000-memory.dmpFilesize
52KB
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memory/612-76-0x0000000000660000-0x0000000000675000-memory.dmpFilesize
84KB
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memory/612-77-0x00000000006D0000-0x00000000006D6000-memory.dmpFilesize
24KB
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memory/612-69-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/612-79-0x0000000000730000-0x0000000000736000-memory.dmpFilesize
24KB
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memory/612-88-0x0000000004E65000-0x0000000004E76000-memory.dmpFilesize
68KB
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memory/612-81-0x0000000000810000-0x0000000000819000-memory.dmpFilesize
36KB
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memory/612-82-0x0000000000830000-0x000000000083F000-memory.dmpFilesize
60KB
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memory/612-83-0x0000000000840000-0x000000000084A000-memory.dmpFilesize
40KB
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memory/612-84-0x00000000008C0000-0x00000000008D9000-memory.dmpFilesize
100KB
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memory/612-85-0x00000000008E0000-0x00000000008E3000-memory.dmpFilesize
12KB
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memory/612-86-0x0000000000C60000-0x0000000000C89000-memory.dmpFilesize
164KB
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memory/612-87-0x00000000008F0000-0x00000000008FF000-memory.dmpFilesize
60KB
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memory/1764-67-0x0000000000000000-mapping.dmp