Behavioral task
behavioral1
Sample
aa.exe
Resource
win7-20240903-en
General
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Target
aa.exe
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Size
202KB
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MD5
ff2a52bb3dc9b6b725e725ab64ee2a4f
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SHA1
78176de490ef034c8d3e9fd47682c8d1388be486
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SHA256
3a7b3e8f648eef95b7eb3a702d6d5e3dc02c3071837fbcd9f10e06881e4b8022
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SHA512
8f6d7ae22d8b59876b845d2013f4b6a9ffa5f6a5785d964faf9fb5d06955483787fe669177d1f9787b68596e58395fa4c81a1fcbdfe902f9aab26d76ba09f98e
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SSDEEP
3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIRtPl1W4F0MpeCWBxwEJce:gLV6Bta6dtJmakIM5KlY4yMpeCoxwET
Malware Config
Extracted
nanocore
1.2.2.0
2.tcp.eu.ngrok.io:10394
/2.tcp.eu.ngrok.io:10394
71d32398-48a9-4b06-bdce-e0c1af26ee18
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activate_away_mode
true
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backup_connection_host
/2.tcp.eu.ngrok.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
2024-07-11T13:07:12.297681036Z
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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
10394
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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
71d32398-48a9-4b06-bdce-e0c1af26ee18
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
2.tcp.eu.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 aa.exe
Files
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aa.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