Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
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submitted
29-05-2023 17:17
General
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Target
Urgent Inquiry_Purchase order June 2023_PDF.exe
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Size
1023KB
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MD5
d25e61a090ba1f949df8e01c61301b6f
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SHA1
082cea061e945c15812e123d40794031382d8eb8
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SHA256
de33fd9d4c89f8d5ffad69cb7743922d8d22f54890f9ca69161edce001cba9ad
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SHA512
eb952335eead9f188f49fd4e1c3930542c0ac449c6c2ad10d78257a41097468134a61459f2e1dd3fbf7921a365d921fde37dea30bbb0c46d130728f9d0f20d63
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SSDEEP
12288:jRmIcCn67ZSgSZcKqe5aITzOFjHYsHlTs6EJqdvcFsymAkm4crYFoT:jR8zS0GTzA48InMvamcrYS
Malware Config
Extracted
remcos
RemoteHost
146.70.158.105:9138
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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-EDGKM0
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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
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Remcos
Remcos is a closed-source remote control and surveillance software.
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ModiLoader Second Stage 1 IoCs
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NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
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NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
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Nirsoft 7 IoCs
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Executes dropped EXE 4 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Suspicious use of SetThreadContext 3 IoCs
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Script User-Agent 3 IoCs
Uses user-agent string associated with script host/environment.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious behavior: MapViewOfSection 3 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 26 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Urgent Inquiry_Purchase order June 2023_PDF.exe"C:\Users\Admin\AppData\Local\Temp\Urgent Inquiry_Purchase order June 2023_PDF.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Public\Libraries\ioccszmD.pif"C:\Users\Public\Libraries\ioccszmD.pif"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Public\Libraries\ioccszmD.pifC:\Users\Public\Libraries\ioccszmD.pif /stext "C:\Users\Admin\AppData\Local\Temp\jegzdehvqgojuscwczpl"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Public\Libraries\ioccszmD.pifC:\Users\Public\Libraries\ioccszmD.pif /stext "C:\Users\Admin\AppData\Local\Temp\tglsexroeogneyqaljcfuiwi"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
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C:\Users\Public\Libraries\ioccszmD.pifC:\Users\Public\Libraries\ioccszmD.pif /stext "C:\Users\Admin\AppData\Local\Temp\vaycwpcqswzshemecupgfvrqatf"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4KB
MD533cb11983bebbd43f9ddfe8d26cf9a35
SHA1f505ae1e507c227d9aafcf7f95fd6ccffd56e187
SHA256568f3bb004b8a52e856fbf4630cd582f3e8452bb96377b5998fc97c0705d04d0
SHA5124566580ecf0b95894bdbe5a1288743509052cfa13b1f53da8fc524779a404e893b1846218ba0027309d3c7c987478123cf0381c2abff658cf179b53b6a06b5f6
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Filesize
66KB
MD5c116d3604ceafe7057d77ff27552c215
SHA1452b14432fb5758b46f2897aeccd89f7c82a727d
SHA2567bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA5129202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
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Filesize
66KB
MD5c116d3604ceafe7057d77ff27552c215
SHA1452b14432fb5758b46f2897aeccd89f7c82a727d
SHA2567bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA5129202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
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Filesize
66KB
MD5c116d3604ceafe7057d77ff27552c215
SHA1452b14432fb5758b46f2897aeccd89f7c82a727d
SHA2567bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA5129202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
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Filesize
66KB
MD5c116d3604ceafe7057d77ff27552c215
SHA1452b14432fb5758b46f2897aeccd89f7c82a727d
SHA2567bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA5129202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
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Filesize
66KB
MD5c116d3604ceafe7057d77ff27552c215
SHA1452b14432fb5758b46f2897aeccd89f7c82a727d
SHA2567bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA5129202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
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Filesize
348KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
796KB
-
Filesize
104KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
4KB
-
Filesize
516KB
-
Filesize
4KB
-
Filesize
516KB
-
Filesize
4KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
516KB
-
Filesize
100KB
-
Filesize
100KB
-
Filesize
516KB
-
Filesize
100KB
-
Filesize
516KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
200KB
-
Filesize
1.0MB
-
Filesize
796KB
-
Filesize
796KB
-
Filesize
4KB