Behavioral task
behavioral1
Sample
DeepFreeze3.exe
Resource
win7-20240221-en
General
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Target
DeepFreeze3.exe
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Size
202KB
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MD5
638057af238763e319b034c984156cfe
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SHA1
1e7f30c505182ef7f4ea704d495bbde942682e42
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SHA256
283655432a294659d3532ab8624eab8b8ce6e7dade0a7eb98107f2a77186489c
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SHA512
beb8204be20e2377f33f20c772a71e7d98707de1879f37ed46053431037d692d8ae850f8ed1a8c77cdc0f13b717992665ee5710e5043cbae8a1df25792dcdcfb
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SSDEEP
6144:gLV6Bta6dtJmakIM5SlE4UXkD2rovrO6mlOZ:gLV6BtpmkN24ttvr5Z
Malware Config
Extracted
nanocore
1.2.2.0
0.tcp.in.ngrok.io:15030
127.0.0.1:15030
bd404b05-2beb-4a4f-8c3a-ddef7f5af7d5
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-02-03T21:52:29.496852036Z
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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
15030
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default_group
Default
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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
bd404b05-2beb-4a4f-8c3a-ddef7f5af7d5
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
0.tcp.in.ngrok.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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Nanocore family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource DeepFreeze3.exe
Files
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DeepFreeze3.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
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