General
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Target
IMG1024785000.exe
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Size
461KB
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Sample
240521-lrbefsgh37
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MD5
3c5eeab605bf86d93dcd01aa912efa54
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SHA1
c24a07068c65fbfa25ee47246703dd4b0bb5e8d2
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SHA256
68d48d53b40a2c1c905dcfbb4062066dfdf38f24440da5ac3a679e466a96bf1e
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SHA512
8ac3e8098970cbdcb55acba7e5b32d5c7422b5f67376d0f1f5956a6ef052e3c29dfea2f4f154c8856d97b2b3fc132771444d7c3bfc1fb2a8331fbaa835747f30
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SSDEEP
6144:wSvm6/3XnxCPjtLXzgTYLvRkV4foyR2MDk7Tr/pjhpH3565Xnnz/UYx3c7XV:VYXFD+4fzR2zg4
Static task
static1
Behavioral task
behavioral1
Sample
IMG1024785000.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
IMG1024785000.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
d9GOyTceXsMT - Email To:
[email protected]
Extracted
nanocore
1.2.2.0
94.156.68.219:2323
687022d0-91f8-4a5a-bf22-c3a2c043d015
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activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-03-02T10:05:36.450504536Z
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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
-
connect_delay
4000
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connection_port
2323
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default_group
21may04
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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
-
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
687022d0-91f8-4a5a-bf22-c3a2c043d015
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
94.156.68.219
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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
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
d9GOyTceXsMT
Targets
-
-
Target
IMG1024785000.exe
-
Size
461KB
-
MD5
3c5eeab605bf86d93dcd01aa912efa54
-
SHA1
c24a07068c65fbfa25ee47246703dd4b0bb5e8d2
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SHA256
68d48d53b40a2c1c905dcfbb4062066dfdf38f24440da5ac3a679e466a96bf1e
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SHA512
8ac3e8098970cbdcb55acba7e5b32d5c7422b5f67376d0f1f5956a6ef052e3c29dfea2f4f154c8856d97b2b3fc132771444d7c3bfc1fb2a8331fbaa835747f30
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SSDEEP
6144:wSvm6/3XnxCPjtLXzgTYLvRkV4foyR2MDk7Tr/pjhpH3565Xnnz/UYx3c7XV:VYXFD+4fzR2zg4
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Loads dropped DLL
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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