General
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Target
25052024_1051_23052024_OSE - PO & FCST - 採購單-LT24052303183991-01.rar
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Size
1.0MB
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Sample
240525-mxybvadh9z
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MD5
cb0ee046db848416fd6fa70bbbc5ea8a
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SHA1
1725f98f7f9e53c091a11a4d9cebbda02053ebc7
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SHA256
f67ae1eff47c8f1efc0044db3bc5a435a7f419e70c2361eb40d6714a4c37742a
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SHA512
5d62f52cb64905776d3056bb39e8b50606de13ca3b3d49f45266894f0bd6cd0b2ba7448da2a922306f045afbd8ba58f0ebb0220499ffff1dc9c9df55c03d728f
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SSDEEP
24576:QR/xqwPI4ANhE833sU+8E2OX3uO2Jdv7+a/AGpPlVSD21Dw+rGUAV:Q7quIHE8nsUPE2uN2r++DlV+2SOI
Malware Config
Extracted
remcos
RemoteHost
b64c611.ddnss.eu:3154
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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
uytrs.exe
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copy_folder
iu7y6tr
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delete_file
false
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hide_file
false
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hide_keylog_file
true
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install_flag
false
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keylog_crypt
true
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keylog_file
u8tus.dat
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keylog_flag
false
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keylog_folder
87y6trf
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mouse_option
false
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mutex
OIUGH6-BFBAXD
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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
Extracted
agenttesla
https://api.telegram.org/bot7062583539:AAFQjFwRQkLApxa503ZXmcd2CJhJK5Vjupw/
Targets
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Target
OSE - PO & FCST - 採購單-LT24052303183991-01.exe
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Size
15.0MB
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MD5
4cbc670c79dddc759b63ded7f36a80e1
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SHA1
7bf50c94959846e1c7caf521e697ee2367aabf01
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SHA256
1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5
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SHA512
6bc15e6acbfdcf09e5eefc1fcc02e997ae81c2b9bcbf02df78ba6c3db8c8620130880fa2d6e49a1b3a9e7df2b4f5e428d8cb4326e6679d9e0639dc40ce099535
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SSDEEP
24576:y6nVMk+HIj90cmvFMN8O6TXQRfAGWEUAxqnRAIsJumwocd5xShmC+a+OPj:xVz7tWqKTXQiTpsJr/Qx8ec
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Remcos
Remcos is a closed-source remote control and surveillance software.
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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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Reads WinSCP keys stored on the system
Tries to access WinSCP stored sessions.
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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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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