Analysis
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max time kernel
153s -
max time network
159s -
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, 08:56
Static task
static1
Behavioral task
behavioral1
Sample
pdtzx.scr
Resource
win7-20240220-en
General
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Target
pdtzx.scr
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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 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2908-56-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/2908-63-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/2560-51-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/2560-74-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Nirsoft 6 IoCs
resource yara_rule behavioral2/memory/2560-51-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4816-58-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4816-60-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/2908-56-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2908-63-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2560-74-0x0000000000400000-0x0000000000478000-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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation pdtzx.scr -
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-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts pdtzx.scr -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1992 set thread context of 5256 1992 pdtzx.scr 105 PID 5256 set thread context of 2560 5256 pdtzx.scr 106 PID 5256 set thread context of 2908 5256 pdtzx.scr 107 PID 5256 set thread context of 4816 5256 pdtzx.scr 108 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 1992 pdtzx.scr 1992 pdtzx.scr 1992 pdtzx.scr 1992 pdtzx.scr 1992 pdtzx.scr 1992 pdtzx.scr 1380 powershell.exe 1380 powershell.exe 2560 pdtzx.scr 2560 pdtzx.scr 4816 pdtzx.scr 4816 pdtzx.scr 2560 pdtzx.scr 2560 pdtzx.scr 1380 powershell.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 5256 pdtzx.scr 5256 pdtzx.scr 5256 pdtzx.scr -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1992 pdtzx.scr Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 4816 pdtzx.scr -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5256 pdtzx.scr -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1992 wrote to memory of 1380 1992 pdtzx.scr 102 PID 1992 wrote to memory of 1380 1992 pdtzx.scr 102 PID 1992 wrote to memory of 1380 1992 pdtzx.scr 102 PID 1992 wrote to memory of 5876 1992 pdtzx.scr 104 PID 1992 wrote to memory of 5876 1992 pdtzx.scr 104 PID 1992 wrote to memory of 5876 1992 pdtzx.scr 104 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 1992 wrote to memory of 5256 1992 pdtzx.scr 105 PID 5256 wrote to memory of 2560 5256 pdtzx.scr 106 PID 5256 wrote to memory of 2560 5256 pdtzx.scr 106 PID 5256 wrote to memory of 2560 5256 pdtzx.scr 106 PID 5256 wrote to memory of 2560 5256 pdtzx.scr 106 PID 5256 wrote to memory of 2908 5256 pdtzx.scr 107 PID 5256 wrote to memory of 2908 5256 pdtzx.scr 107 PID 5256 wrote to memory of 2908 5256 pdtzx.scr 107 PID 5256 wrote to memory of 2908 5256 pdtzx.scr 107 PID 5256 wrote to memory of 4816 5256 pdtzx.scr 108 PID 5256 wrote to memory of 4816 5256 pdtzx.scr 108 PID 5256 wrote to memory of 4816 5256 pdtzx.scr 108 PID 5256 wrote to memory of 4816 5256 pdtzx.scr 108
Processes
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scr"C:\Users\Admin\AppData\Local\Temp\pdtzx.scr" /S1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992 -
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"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1380
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scr"C:\Users\Admin\AppData\Local\Temp\pdtzx.scr"2⤵PID:5876
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scr"C:\Users\Admin\AppData\Local\Temp\pdtzx.scr"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5256 -
C:\Users\Admin\AppData\Local\Temp\pdtzx.scrC:\Users\Admin\AppData\Local\Temp\pdtzx.scr /stext "C:\Users\Admin\AppData\Local\Temp\czqcbdwmpdkdkifwifuthwq"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2560
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scrC:\Users\Admin\AppData\Local\Temp\pdtzx.scr /stext "C:\Users\Admin\AppData\Local\Temp\etwncvgodlchmotaaqgvsjcwgfi"3⤵
- Accesses Microsoft Outlook accounts
PID:2908
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C:\Users\Admin\AppData\Local\Temp\pdtzx.scrC:\Users\Admin\AppData\Local\Temp\pdtzx.scr /stext "C:\Users\Admin\AppData\Local\Temp\onjfvorhruvuxchmjbbwvwxfhlscam"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4816
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵PID:1704
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5bf8fc086e4ea4a2adee5d4246ee66358
SHA112f91a35f249dc228c09d81cbcdfc7357dc31637
SHA2561442202ef3d247cb69ca82e8ae71cbc7474237da47550cc03b7fcc03a4741e06
SHA51273ed69b81d4116a86491a0e14b15c48b47f3f4ae98e338e960a30683afd9f59424776c0c920a48885272405637b26b99011fe52d01c630b9384d72dfe40ac82e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD510fa8ec140c204486092fb161e567ec7
SHA14d63e1f8df3afefedb19df73d7ee5f3b1e7b6473
SHA2567176ca3d0196ec46f178107fdb587adaef3f6ea65daa80eccd2371a515880e04
SHA5129db4eeb3f07d8d0579f75f3426c91156809152d8c1a37c9a27bf159888f6dd97f1212ac80f5bbb17e4d86f3087c512ccba2ca50a2db07d071370bd36364e1f76