General
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Target
5021036673.exe
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Size
461KB
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Sample
240521-pzmn8sed3s
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MD5
3b7ef5232e11bd43c48fbbcbaada35ab
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SHA1
04c1003f6611b769fc7f900d404ac90d550a12ac
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SHA256
8476500f6ecba15ee6e50f37c34bf2ccdd4790b42d0a44737d2626dcaa0e2449
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SHA512
ef397e10b854bc6ba465717ef7686de5caab0fdd81b8758c89764cdba5e3b058d621562fac2bc3dd59d89e59e44579029b2cc21013bff691b0f88cb72665b9df
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SSDEEP
6144:DVwYYaG3c+iS3oBIOokpsEjb2SfjNhuthxCCfBjhpH3565Xnnz/84DP7/V:r+bOxpsUiS7TutDCVF
Static task
static1
Behavioral task
behavioral1
Sample
5021036673.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5021036673.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
sendahelpde@coleoffice.shop - Password:
s9jjoVvaZchS - Email To:
helpdesk@coleoffice.shop
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
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buffer_size
65535
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build_time
2024-03-02T10:05:36.450504536Z
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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
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
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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
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:
sendahelpde@coleoffice.shop - Password:
s9jjoVvaZchS
Targets
-
-
Target
5021036673.exe
-
Size
461KB
-
MD5
3b7ef5232e11bd43c48fbbcbaada35ab
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SHA1
04c1003f6611b769fc7f900d404ac90d550a12ac
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SHA256
8476500f6ecba15ee6e50f37c34bf2ccdd4790b42d0a44737d2626dcaa0e2449
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SHA512
ef397e10b854bc6ba465717ef7686de5caab0fdd81b8758c89764cdba5e3b058d621562fac2bc3dd59d89e59e44579029b2cc21013bff691b0f88cb72665b9df
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SSDEEP
6144:DVwYYaG3c+iS3oBIOokpsEjb2SfjNhuthxCCfBjhpH3565Xnnz/84DP7/V:r+bOxpsUiS7TutDCVF
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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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