General
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Target
MT103 BANK ERROR.PDF.exe
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Size
1.0MB
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Sample
240725-hgxyxstgkk
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MD5
101d89bad85d7a2cee47414f3ca875a4
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SHA1
e4fbc5f86ccf69b70c02d63ab6b6d025f0106542
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SHA256
600b2be3d1429ba2716b05ed76d109815eb60426a2d3687c6735aece9dc9c5a3
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SHA512
c9fd3e12dbb636a54e8710bde6c82ef8a39d162b870fbc0f32f1a695c1a757a9a8153bad08650a1093165e566e35127f883e2c6690e7395aaa507e74c5036982
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SSDEEP
24576:E6Dlm/atGKanKxvdwEHfZTX0u/nJaRj9yin1mV/aJscLJ:DDcCZfx+GQRjj1mO
Static task
static1
Behavioral task
behavioral1
Sample
MT103 BANK ERROR.PDF.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
MT103 BANK ERROR.PDF.exe
Resource
win10v2004-20240709-en
Malware Config
Extracted
remcos
RemoteHost
127.0.0.1:45645
127.0.0.1:56765
latestgrace2024.duckdns.org:56765
latestgrace2024.duckdns.org:45645
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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-2ZXBPR
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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
MT103 BANK ERROR.PDF.exe
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Size
1.0MB
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MD5
101d89bad85d7a2cee47414f3ca875a4
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SHA1
e4fbc5f86ccf69b70c02d63ab6b6d025f0106542
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SHA256
600b2be3d1429ba2716b05ed76d109815eb60426a2d3687c6735aece9dc9c5a3
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SHA512
c9fd3e12dbb636a54e8710bde6c82ef8a39d162b870fbc0f32f1a695c1a757a9a8153bad08650a1093165e566e35127f883e2c6690e7395aaa507e74c5036982
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SSDEEP
24576:E6Dlm/atGKanKxvdwEHfZTX0u/nJaRj9yin1mV/aJscLJ:DDcCZfx+GQRjj1mO
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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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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
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1