Behavioral task
behavioral1
Sample
aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe
Resource
win7-20231129-en
General
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Target
aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118
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Size
202KB
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MD5
aa5a513f1fdc0a8817e6f3af2f6c25c6
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SHA1
c203df1e9fe8ce9cf051d9765bfc4c52770fea21
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SHA256
40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b
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SHA512
98543f453cb361a860345b25e9fdb45b9c402b889bdb176c21a92468c5d7230c8573d82013a201021c3406f716ee779627b12ce6eecd62e233401cc16c50418a
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SSDEEP
6144:gLV6Bta6dtJmakIM5Ss0ytgxpA+wyAR+U8gbP:gLV6BtpmkBv/pA+XM+XQ
Malware Config
Extracted
nanocore
1.2.2.0
crpasky.sytes.net:3615
783d093c-f3e8-4b8f-8fad-8c8fdbe95e7f
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activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-06-30T12:54:32.882026336Z
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bypass_user_account_control
true
- bypass_user_account_control_data
-
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
3615
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default_group
Takeit
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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
783d093c-f3e8-4b8f-8fad-8c8fdbe95e7f
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
crpasky.sytes.net
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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
-
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 aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118
Files
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aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.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