Analysis
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max time kernel
148s -
max time network
154s -
submitted
01-01-1970 00:00
Static task
static1
Behavioral task
behavioral1
Sample
DHL_119040 Dokumenteneingang,pdf.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
DHL_119040 Dokumenteneingang,pdf.exe
Resource
win10-en-20211014
General
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Target
DHL_119040 Dokumenteneingang,pdf.exe
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Size
1.0MB
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MD5
36f32a83edd25006a07debb0a75d9e34
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SHA1
39763b15d86314870dd1d36b4314aedce0312831
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SHA256
b8f1babcc7e2cb18330c303f5b3c30811857a015a39932e7e3339893fd813360
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SHA512
8186570aaddfd4ea77f97a8dd46ecdf403eef11d37150a1ceabac62efeadd0beaa26cda1561829873c1fccbcc5c4c957c29bc0a9e19a2a43479dfe8ba2bcbcfb
Malware Config
Extracted
remcos
3.3.0 Pro
ASEDEYGO
ckay4real.hopto.org:7676
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audio_folder
MicRecords
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audio_path
%AppData%
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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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install_path
%AppData%
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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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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-1X6NRY
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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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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
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take_screenshot_title
notepad;solitaire;
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
DHL_119040 Dokumenteneingang,pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rzifnz = "C:\\Users\\Public\\Libraries\\\\znfizR.url" DHL_119040 Dokumenteneingang,pdf.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 44 IoCs
Processes:
DHL_119040 Dokumenteneingang,pdf.execmd.execmd.execmd.exedescription pid process target process PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1976 1616 DHL_119040 Dokumenteneingang,pdf.exe DpiScaling.exe PID 1616 wrote to memory of 1560 1616 DHL_119040 Dokumenteneingang,pdf.exe cmd.exe PID 1616 wrote to memory of 1560 1616 DHL_119040 Dokumenteneingang,pdf.exe cmd.exe PID 1616 wrote to memory of 1560 1616 DHL_119040 Dokumenteneingang,pdf.exe cmd.exe PID 1616 wrote to memory of 1560 1616 DHL_119040 Dokumenteneingang,pdf.exe cmd.exe PID 1560 wrote to memory of 1712 1560 cmd.exe cmd.exe PID 1560 wrote to memory of 1712 1560 cmd.exe cmd.exe PID 1560 wrote to memory of 1712 1560 cmd.exe cmd.exe PID 1560 wrote to memory of 1712 1560 cmd.exe cmd.exe PID 1712 wrote to memory of 1292 1712 cmd.exe reg.exe PID 1712 wrote to memory of 1292 1712 cmd.exe reg.exe PID 1712 wrote to memory of 1292 1712 cmd.exe reg.exe PID 1712 wrote to memory of 1292 1712 cmd.exe reg.exe PID 1712 wrote to memory of 1304 1712 cmd.exe reg.exe PID 1712 wrote to memory of 1304 1712 cmd.exe reg.exe PID 1712 wrote to memory of 1304 1712 cmd.exe reg.exe PID 1712 wrote to memory of 1304 1712 cmd.exe reg.exe PID 1712 wrote to memory of 916 1712 cmd.exe schtasks.exe PID 1712 wrote to memory of 916 1712 cmd.exe schtasks.exe PID 1712 wrote to memory of 916 1712 cmd.exe schtasks.exe PID 1712 wrote to memory of 916 1712 cmd.exe schtasks.exe PID 1616 wrote to memory of 1980 1616 DHL_119040 Dokumenteneingang,pdf.exe cmd.exe PID 1616 wrote to memory of 1980 1616 DHL_119040 Dokumenteneingang,pdf.exe cmd.exe PID 1616 wrote to memory of 1980 1616 DHL_119040 Dokumenteneingang,pdf.exe cmd.exe PID 1616 wrote to memory of 1980 1616 DHL_119040 Dokumenteneingang,pdf.exe cmd.exe PID 1980 wrote to memory of 888 1980 cmd.exe reg.exe PID 1980 wrote to memory of 888 1980 cmd.exe reg.exe PID 1980 wrote to memory of 888 1980 cmd.exe reg.exe PID 1980 wrote to memory of 888 1980 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_119040 Dokumenteneingang,pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL_119040 Dokumenteneingang,pdf.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\DpiScaling.exeC:\Windows\System32\DpiScaling.exe2⤵
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Public\Trast.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg delete hkcu\Environment /v windir /f4⤵
- Modifies registry key
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C:\Windows\SysWOW64\reg.exereg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "4⤵
- Modifies registry key
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I4⤵
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Public\nest.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg delete hkcu\Environment /v windir /f3⤵
- Modifies registry key
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Public\Trast.batMD5
4068c9f69fcd8a171c67f81d4a952a54
SHA14d2536a8c28cdcc17465e20d6693fb9e8e713b36
SHA25624222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810
SHA512a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d
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C:\Users\Public\UKO.batMD5
eaf8d967454c3bbddbf2e05a421411f8
SHA16170880409b24de75c2dc3d56a506fbff7f6622c
SHA256f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56
SHA512fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9
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C:\Users\Public\nest.batMD5
8ada51400b7915de2124baaf75e3414c
SHA11a7b9db12184ab7fd7fce1c383f9670a00adb081
SHA25645aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7
SHA5129afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68
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memory/888-86-0x0000000000000000-mapping.dmp
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memory/916-82-0x0000000000000000-mapping.dmp
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memory/1292-80-0x0000000000000000-mapping.dmp
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memory/1304-81-0x0000000000000000-mapping.dmp
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memory/1560-72-0x0000000000000000-mapping.dmp
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memory/1616-56-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1616-57-0x00000000003E1000-0x00000000003F5000-memory.dmpFilesize
80KB
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memory/1616-55-0x0000000074F61000-0x0000000074F63000-memory.dmpFilesize
8KB
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memory/1712-78-0x0000000000000000-mapping.dmp
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memory/1976-69-0x0000000072600000-0x000000007267C000-memory.dmpFilesize
496KB
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memory/1976-75-0x0000000072600000-0x000000007267C000-memory.dmpFilesize
496KB
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memory/1976-76-0x0000000000080000-0x0000000000081000-memory.dmpFilesize
4KB
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memory/1976-73-0x00000000000C0000-0x00000000000C1000-memory.dmpFilesize
4KB
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memory/1976-74-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/1976-83-0x00000000004F0000-0x0000000000569000-memory.dmpFilesize
484KB
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memory/1976-59-0x0000000000000000-mapping.dmp
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memory/1976-58-0x0000000000080000-0x0000000000081000-memory.dmpFilesize
4KB
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memory/1980-84-0x0000000000000000-mapping.dmp