Behavioral task
behavioral1
Sample
tesst.exe
Resource
win7-20240221-en
General
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Target
tesst.exe
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Size
202KB
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MD5
6c9bed612c8662a476b0ecd0e1439a15
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SHA1
40ea4e8d57f728f57eed4c278797398f8cb7683d
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SHA256
bed8f761ef23dadde4492e23072842fd3db3474903a2fd1e29bc623c95e1c0cb
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SHA512
321c42433f3774129886a176e2479d2900cdf1b38c9b4127293328d718cee080108e24c9b6dcd2dc9280deaa91090a3579964a5fa24856824899c4e05a3a7fa1
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SSDEEP
6144:QLV6Bta6dtJmakIM524Q4cpvMPFGDqMiQz5R7/3O:QLV6BtpmkN4QRFBqMv9R7vO
Malware Config
Extracted
nanocore
1.2.2.0
10.66.65.62/32:64583
193.233.133.212:64583
7ad92f08-0104-429f-af48-e5ffbc4a4850
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activate_away_mode
true
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backup_connection_host
193.233.133.212
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-12-17T19:28:14.677472136Z
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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
64583
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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
7ad92f08-0104-429f-af48-e5ffbc4a4850
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
10.66.65.62/32
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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.
resource tesst.exe
Files
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tesst.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