Resubmissions
13-06-2023 15:08
230613-sh5ehagg67 1012-06-2023 12:37
230612-ptx8sacc46 1009-06-2023 19:42
230609-yevzjsea3z 1008-06-2023 16:59
230608-vhg1bahg5z 1007-06-2023 18:26
230607-w3ealaec62 1007-06-2023 18:23
230607-w1vjsseg31 1006-06-2023 14:12
230606-rjb9nsea66 1005-06-2023 13:48
230605-q395dagh57 1002-06-2023 11:55
230602-n3t22sbe8z 1030-05-2023 13:02
230530-p98pfsaa3x 10General
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Target
a.bin
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Size
5KB
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Sample
230602-n3t22sbe8z
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MD5
8ce1f6882edc51f701bbe648e40dd133
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SHA1
496b3df4657e9d11df14a8ad267061d97249b511
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SHA256
188e97ba18d7394cb3949e66c8aeb062e3ea8675371d0ee2b5126b52366530ae
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SHA512
5826ea307fa12db5a8005fae8758314c0810e956ead3504fda7cadaccdbe737d609dfdfdc51996ab2eb350eae20398f8fbb97b16aa01f2af373c1ba20767d7d6
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SSDEEP
48:6jtGAK8lb9ivcfaFSfkQLJhyPFlL8thCb/IExQpwOulavTqXSfbNtm:OI0iUaakQqDgtmQpmsvNzNt
Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win10-20230220-en
Malware Config
Extracted
https://transparenciacanaa.com.br/cidadejunina/js/vendor/debug2.ps1
Extracted
xworm
62.171.178.45:7000
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install_file
USB.exe
Extracted
snakekeylogger
https://api.telegram.org/bot6184780923:AAHbCGrBU_2zg9A-73yTyKKCMGf1tkzUFbM/sendMessage?chat_id=759814203
Extracted
asyncrat
0.5.7B
Default
141.98.102.235:16296
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Extracted
nanocore
1.2.2.0
ezemnia3.ddns.net:62335
91.193.75.178:62335
954449b5-566c-46fe-92f0-8eb82a7f77b0
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activate_away_mode
true
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backup_connection_host
91.193.75.178
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-01-23T18:14:17.620110936Z
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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
62335
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default_group
Cashout
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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
954449b5-566c-46fe-92f0-8eb82a7f77b0
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
ezemnia3.ddns.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
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
Extracted
remcos
RemoteHost
127.0.0.1:55433
185.65.134.166:55433
10.11.0.5:55433
45.128.234.54:55433
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-UQ90W9
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
redline
dusa
83.97.73.127:19045
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auth_value
ee896466545fedf9de5406175fb82de5
Targets
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Target
a.bin
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Size
5KB
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MD5
8ce1f6882edc51f701bbe648e40dd133
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SHA1
496b3df4657e9d11df14a8ad267061d97249b511
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SHA256
188e97ba18d7394cb3949e66c8aeb062e3ea8675371d0ee2b5126b52366530ae
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SHA512
5826ea307fa12db5a8005fae8758314c0810e956ead3504fda7cadaccdbe737d609dfdfdc51996ab2eb350eae20398f8fbb97b16aa01f2af373c1ba20767d7d6
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SSDEEP
48:6jtGAK8lb9ivcfaFSfkQLJhyPFlL8thCb/IExQpwOulavTqXSfbNtm:OI0iUaakQqDgtmQpmsvNzNt
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Snake Keylogger payload
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StormKitty payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Async RAT payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Uses the VBS compiler for execution
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Legitimate hosting services abused for malware hosting/C2
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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Defense Evasion
Impair Defenses
1Install Root Certificate
1Modify Registry
1Scripting
1Virtualization/Sandbox Evasion
1Web Service
1