Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 08:54
Static task
static1
Behavioral task
behavioral1
Sample
pdtzx.scr.exe
Resource
win7-20240221-en
General
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Target
pdtzx.scr.exe
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Size
984KB
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MD5
98e7bfbf542d7b12f7b7614991743557
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SHA1
9eec15369db22c4bcdf39407042545715466292b
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SHA256
2320bdd2ef439c3c079ecf8c1c89ff9e8d2c20ed47f459c29186b00c476fa7d4
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SHA512
2411a485a66d6aafbe59a576afadb78c1cffd13f4b09595155fe2a9e5f03d57eb2f102cf924e8ebf6918449661197f270e7143c7ce938bdd4dfdaaf277a6e5f9
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SSDEEP
24576:6oOBrBls3VEr6ZgFMH+zfQE75oZUPgVQwDqsQ1xAT/qH3:10BlsDZgFMqS1Axu/qH
Malware Config
Extracted
remcos
28PDT
psolver827.ddns.net:1974
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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
28pdt
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mouse_option
false
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mutex
Rmc-9BVBM5
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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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NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/5052-56-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/5052-53-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/5052-59-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4512-54-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4512-57-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4512-66-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
resource yara_rule behavioral2/memory/2684-55-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/5052-56-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4512-54-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4512-57-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/5052-53-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2684-58-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/5052-59-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4512-66-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation pdtzx.scr.exe -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts pdtzx.scr.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1236 set thread context of 720 1236 pdtzx.scr.exe 97 PID 720 set thread context of 4512 720 pdtzx.scr.exe 98 PID 720 set thread context of 5052 720 pdtzx.scr.exe 99 PID 720 set thread context of 2684 720 pdtzx.scr.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1236 pdtzx.scr.exe 1236 pdtzx.scr.exe 2648 powershell.exe 2684 pdtzx.scr.exe 2684 pdtzx.scr.exe 4512 pdtzx.scr.exe 4512 pdtzx.scr.exe 2648 powershell.exe 4512 pdtzx.scr.exe 4512 pdtzx.scr.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 720 pdtzx.scr.exe 720 pdtzx.scr.exe 720 pdtzx.scr.exe 720 pdtzx.scr.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1236 pdtzx.scr.exe Token: SeDebugPrivilege 2648 powershell.exe Token: SeDebugPrivilege 2684 pdtzx.scr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 720 pdtzx.scr.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1236 wrote to memory of 2648 1236 pdtzx.scr.exe 95 PID 1236 wrote to memory of 2648 1236 pdtzx.scr.exe 95 PID 1236 wrote to memory of 2648 1236 pdtzx.scr.exe 95 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 1236 wrote to memory of 720 1236 pdtzx.scr.exe 97 PID 720 wrote to memory of 4512 720 pdtzx.scr.exe 98 PID 720 wrote to memory of 4512 720 pdtzx.scr.exe 98 PID 720 wrote to memory of 4512 720 pdtzx.scr.exe 98 PID 720 wrote to memory of 4512 720 pdtzx.scr.exe 98 PID 720 wrote to memory of 5052 720 pdtzx.scr.exe 99 PID 720 wrote to memory of 5052 720 pdtzx.scr.exe 99 PID 720 wrote to memory of 5052 720 pdtzx.scr.exe 99 PID 720 wrote to memory of 5052 720 pdtzx.scr.exe 99 PID 720 wrote to memory of 4504 720 pdtzx.scr.exe 100 PID 720 wrote to memory of 4504 720 pdtzx.scr.exe 100 PID 720 wrote to memory of 4504 720 pdtzx.scr.exe 100 PID 720 wrote to memory of 2684 720 pdtzx.scr.exe 101 PID 720 wrote to memory of 2684 720 pdtzx.scr.exe 101 PID 720 wrote to memory of 2684 720 pdtzx.scr.exe 101 PID 720 wrote to memory of 2684 720 pdtzx.scr.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe"C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe"C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exeC:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\dccfmofjrzmuqzcaosootzhmrie"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4512
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exeC:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\ffhpngqkfhezagyefdjhwebdaonmuj"3⤵
- Accesses Microsoft Outlook accounts
PID:5052
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exeC:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\pzuioyjetpwedmmioowjhrwmbdfvnuncy"3⤵PID:4504
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exeC:\Users\Admin\AppData\Local\Temp\pdtzx.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\pzuioyjetpwedmmioowjhrwmbdfvnuncy"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2684
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5ea1da3dbbb06b6a5ebb50dbedc993ed2
SHA12097d4fb2d7ec7fd26641ca1eecd3044a02b1ea9
SHA2565fb023a54316194a930d0a03908749f4ccfefbc93842b94b494cce73284dc5f7
SHA5126ca10d0cf27edfaa3b6964bfbb2726b007883f28d81f1d413f2f431c916a603bb7279379bdd32254ffb0f98f18bf0635168500f701cb0ef11d4df6d1ca8710ce
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5fc8ceff5210efa58594c67ed8f49a824
SHA1dba98c98becbdf81f623cdca6cd0a993022fe6cd
SHA256778b7d5b90428961459c82e9881fe0fece78424d6301eb0720a96f100511f599
SHA512c3b24fe5f5ba39174528ffc05544da6f22ac6aef2cac923ad139c0d044989873e004f9f5018cc0cc6847b5878f5aee96d6de823c860ac54a0fc67ff8d2d89cd1