Analysis
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max time kernel
151s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 02:11
Static task
static1
Behavioral task
behavioral1
Sample
13- CIVCO.exe
Resource
win7-20220414-en
General
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Target
13- CIVCO.exe
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Size
858KB
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MD5
a5cf4dcadf3f133879b124d00fbf63e0
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SHA1
e6090de532e0bdc2c6f2daa8191ed905b069c5d1
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SHA256
8133b96955c936b094a7bfe2351554503c31ffd075767e0d5b735dd90a024dd4
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SHA512
9b51847507f0d73bf850afe18ce58bcc4a5c58ed7cc670730810d81f9e6e96c76fda5ee967736a2631f9b704a6bb36616f73d3d97a94a2de5b45e358ae33e3a2
Malware Config
Extracted
nanocore
1.2.2.0
helixsohum-59977.portmap.io:59977
b503f318-d700-4046-a22f-59d4605e0541
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activate_away_mode
false
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backup_connection_host
helixsohum-59977.portmap.io
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-06-12T04:38:34.687559536Z
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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
59977
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default_group
Appollo Result
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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
b503f318-d700-4046-a22f-59d4605e0541
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
helixsohum-59977.portmap.io
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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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Processes:
13- CIVCO.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 13- CIVCO.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
13- CIVCO.exedescription pid process target process PID 892 set thread context of 1956 892 13- CIVCO.exe 13- CIVCO.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 2 IoCs
Processes:
13- CIVCO.exepid process 1956 13- CIVCO.exe 1956 13- CIVCO.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
13- CIVCO.exedescription pid process Token: SeDebugPrivilege 1956 13- CIVCO.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
13- CIVCO.exedescription pid process target process PID 892 wrote to memory of 1992 892 13- CIVCO.exe schtasks.exe PID 892 wrote to memory of 1992 892 13- CIVCO.exe schtasks.exe PID 892 wrote to memory of 1992 892 13- CIVCO.exe schtasks.exe PID 892 wrote to memory of 1992 892 13- CIVCO.exe schtasks.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe PID 892 wrote to memory of 1956 892 13- CIVCO.exe 13- CIVCO.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tQHepANY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA1A.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"C:\Users\Admin\AppData\Local\Temp\13- CIVCO.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpDA1A.tmpFilesize
1KB
MD5f1a511ae56b950927de83ed024c914ce
SHA189e10517f66b193feaa07cd3c34ecdaeed691689
SHA256fb24ee233bc0215930acb4ae536bce1bb55735abd5236b6b186f54ba901bfb68
SHA51276ae290c94ab08dd18d077223316763dd61ab1af16f476fdd6802beb036e9c09361109af07724f282689171086e98a61a890ad807b9595a17bfdb34b13bbe2cf
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memory/892-55-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/892-56-0x0000000000510000-0x0000000000520000-memory.dmpFilesize
64KB
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memory/892-57-0x0000000004320000-0x0000000004392000-memory.dmpFilesize
456KB
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memory/892-58-0x0000000002010000-0x0000000002058000-memory.dmpFilesize
288KB
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memory/892-54-0x0000000000B30000-0x0000000000C0C000-memory.dmpFilesize
880KB
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memory/1956-62-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1956-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1956-64-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1956-65-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1956-67-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1956-68-0x000000000041E792-mapping.dmp
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memory/1956-70-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1956-72-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1956-74-0x00000000004E0000-0x00000000004EA000-memory.dmpFilesize
40KB
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memory/1956-75-0x0000000000590000-0x00000000005AE000-memory.dmpFilesize
120KB
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memory/1956-76-0x00000000004F0000-0x00000000004FA000-memory.dmpFilesize
40KB
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memory/1992-59-0x0000000000000000-mapping.dmp