Behavioral task
behavioral1
Sample
2020-21-0x0000000000400000-0x0000000000438000-memory.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2020-21-0x0000000000400000-0x0000000000438000-memory.exe
Resource
win10v2004-20230915-en
General
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Target
2020-21-0x0000000000400000-0x0000000000438000-memory.dmp
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Size
224KB
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MD5
091e92a26843bdd6485229b800257960
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SHA1
00a710fede4950f8e76786f51a4e0213025767ba
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SHA256
66d4434036ce8c142d57dc23b5f1526337f966ff31363c9e5e17bbb8e2c26eb4
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SHA512
e55582868c40e0f91bd139f72e56b454dc69f8d05a9fecdfc4cd1e99947076370964e5a904390ad68f22871540118c394dce289ffc45bd467bdb98c418f91006
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SSDEEP
3072:wzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HILnbfp4ZaXfhRAG6KZnpGiLL:wLV6Bta6dtJmakIM5OfZXjZZn3
Malware Config
Extracted
nanocore
1.2.2.0
141.98.6.9:5490
davewang.ddns.net:5490
30da5bd6-c50c-47dd-a8f9-cc6516a29992
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activate_away_mode
true
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backup_connection_host
davewang.ddns.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
2023-06-24T13:45:46.733183836Z
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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
5490
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default_group
throttlee
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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
30da5bd6-c50c-47dd-a8f9-cc6516a29992
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
141.98.6.9
-
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
-
wan_timeout
8000
Signatures
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Nanocore family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2020-21-0x0000000000400000-0x0000000000438000-memory.dmp
Files
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2020-21-0x0000000000400000-0x0000000000438000-memory.dmp.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 114KB - Virtual size: 113KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 87KB - Virtual size: 87KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ