General
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Target
8154dcd3b9aa77539b16ed4b113c7739357c26a7e5961ea7747aa45bcc285bdc
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Size
903KB
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Sample
240910-e91zhaxckj
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MD5
5a59d4efbfef61e055728b6169185e1c
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SHA1
63b2bdf29a9be7ccc6ea46179c1ef5582752204a
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SHA256
8154dcd3b9aa77539b16ed4b113c7739357c26a7e5961ea7747aa45bcc285bdc
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SHA512
0e64c6d8b419942f1f51729ebe1cacf5e07fe6ef0c80c8563de5a2b9de0cbfbaff98247691fa89d6c5984e0061a57ff7f80d27c581e0976ec1fe76167cb19e0c
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SSDEEP
24576:fZgCieTkCqPo0I2MOkJHwTYWMiQzGwFRv4tseOed:yeTIPo0ZRYZFjzGw/q
Static task
static1
Behavioral task
behavioral1
Sample
TNT invoice.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
TNT invoice.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
remcos
IRN
irnserv1.ddns.net:4424
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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
true
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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-CA8761
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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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take_screenshot_option
false
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take_screenshot_time
5
Targets
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Target
TNT invoice.exe
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Size
962KB
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MD5
36a61907068929b0cea9cfad4bb45b5f
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SHA1
564d7d74f94fe07b5590a6c17b0caad3536c61c6
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SHA256
b041b54fdd8bac5ca781c5b064235a29cc29480edb623a216a2a3d8aef71ea16
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SHA512
6e3f7cc4d0995c7937049cde030f983ca0d80afdf08dfa3defb14a6778349ae8296ee950407f5f0a1e42eb32122aa8a9b104a40a4f7171fd2c6c162896e2fc1d
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SSDEEP
24576:OkGY2eTMCq/oDIALSR7mD60noFfzE5BG:PAeTw/oDnWoD6GoBE5E
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft MailPassView
Password recovery tool for various email clients
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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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Accesses Microsoft Outlook accounts
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Adds Run key to start application
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1