General
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Target
f18ee353e998df41e42bba9b08f8c2bb_JaffaCakes118
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Size
1.3MB
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Sample
240415-vntlasbe86
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MD5
f18ee353e998df41e42bba9b08f8c2bb
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SHA1
9d2999a9f0b48f3daf58138746ed63ce7fff87c5
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SHA256
16fff93cc6b11e2340af9b406d49c5ef8f219019ddd5c985c4cd0035d25318e3
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SHA512
b7223defc6dea444aa664547a5506bb4dc59bc0c5b300b7747a47ce12aabbba8bb687b85d247e8972062cf052c1ddb462f06b18beb7087fcb0619d77867bc220
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SSDEEP
12288:4w7QsLhBN9aTom5Ou3jOh3jr+GBGnr+9q0psu9kVss6NC0ENbkjWd:Thf9aTXEu3YjBGnjis1KTY0E2j
Static task
static1
Behavioral task
behavioral1
Sample
f18ee353e998df41e42bba9b08f8c2bb_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f18ee353e998df41e42bba9b08f8c2bb_JaffaCakes118.exe
Resource
win10v2004-20240412-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.privateemail.com - Port:
587 - Username:
sammorris@askoblue.com - Password:
london12#
Extracted
nanocore
1.2.2.0
185.140.53.52:4488
f373bcfb-36f5-4636-8770-9da829010f62
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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
2021-06-03T23:05:48.798919236Z
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bypass_user_account_control
false
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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
4488
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default_group
AUGUST
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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
f373bcfb-36f5-4636-8770-9da829010f62
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
185.140.53.52
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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
false
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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
Targets
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Target
f18ee353e998df41e42bba9b08f8c2bb_JaffaCakes118
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Size
1.3MB
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MD5
f18ee353e998df41e42bba9b08f8c2bb
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SHA1
9d2999a9f0b48f3daf58138746ed63ce7fff87c5
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SHA256
16fff93cc6b11e2340af9b406d49c5ef8f219019ddd5c985c4cd0035d25318e3
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SHA512
b7223defc6dea444aa664547a5506bb4dc59bc0c5b300b7747a47ce12aabbba8bb687b85d247e8972062cf052c1ddb462f06b18beb7087fcb0619d77867bc220
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SSDEEP
12288:4w7QsLhBN9aTom5Ou3jOh3jr+GBGnr+9q0psu9kVss6NC0ENbkjWd:Thf9aTXEu3YjBGnjis1KTY0E2j
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Adds Run key to start application
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Suspicious use of SetThreadContext
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