Analysis
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max time kernel
157s -
max time network
155s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
15-09-2021 07:02
Static task
static1
Behavioral task
behavioral1
Sample
02125e78caf01d6f19c8785ab4a829a0.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
02125e78caf01d6f19c8785ab4a829a0.exe
Resource
win10-en
General
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Target
02125e78caf01d6f19c8785ab4a829a0.exe
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Size
632KB
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MD5
02125e78caf01d6f19c8785ab4a829a0
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SHA1
397aa2e199435db83d6dae083b72964adc3f6ced
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SHA256
700679794ef89485d9a296d15f3baf8ea3be9ec4d3657b60d62ad5dc021fbb69
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SHA512
de1301bf02eb186b4d84f7f64bf1c13ca8d409db1a69d5b623f91855318eb25b32c34d8f156374f7f95f6f971daca4011cf4f133d2ca442f0ecb327eed86af94
Malware Config
Extracted
remcos
3.2.0 Pro
centosr
194.127.179.121:5002
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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
backson
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keylog_path
%AppData%
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mouse_option
false
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mutex
centos-8TA9NU
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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:
02125e78caf01d6f19c8785ab4a829a0.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kphktvg = "C:\\Users\\Public\\Libraries\\gvtkhpK.url" 02125e78caf01d6f19c8785ab4a829a0.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 44 IoCs
Processes:
02125e78caf01d6f19c8785ab4a829a0.execmd.execmd.execmd.exedescription pid process target process PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 1100 880 02125e78caf01d6f19c8785ab4a829a0.exe DpiScaling.exe PID 880 wrote to memory of 260 880 02125e78caf01d6f19c8785ab4a829a0.exe cmd.exe PID 880 wrote to memory of 260 880 02125e78caf01d6f19c8785ab4a829a0.exe cmd.exe PID 880 wrote to memory of 260 880 02125e78caf01d6f19c8785ab4a829a0.exe cmd.exe PID 880 wrote to memory of 260 880 02125e78caf01d6f19c8785ab4a829a0.exe cmd.exe PID 260 wrote to memory of 1016 260 cmd.exe cmd.exe PID 260 wrote to memory of 1016 260 cmd.exe cmd.exe PID 260 wrote to memory of 1016 260 cmd.exe cmd.exe PID 260 wrote to memory of 1016 260 cmd.exe cmd.exe PID 1016 wrote to memory of 1564 1016 cmd.exe reg.exe PID 1016 wrote to memory of 1564 1016 cmd.exe reg.exe PID 1016 wrote to memory of 1564 1016 cmd.exe reg.exe PID 1016 wrote to memory of 1564 1016 cmd.exe reg.exe PID 1016 wrote to memory of 764 1016 cmd.exe reg.exe PID 1016 wrote to memory of 764 1016 cmd.exe reg.exe PID 1016 wrote to memory of 764 1016 cmd.exe reg.exe PID 1016 wrote to memory of 764 1016 cmd.exe reg.exe PID 1016 wrote to memory of 628 1016 cmd.exe schtasks.exe PID 1016 wrote to memory of 628 1016 cmd.exe schtasks.exe PID 1016 wrote to memory of 628 1016 cmd.exe schtasks.exe PID 1016 wrote to memory of 628 1016 cmd.exe schtasks.exe PID 880 wrote to memory of 1772 880 02125e78caf01d6f19c8785ab4a829a0.exe cmd.exe PID 880 wrote to memory of 1772 880 02125e78caf01d6f19c8785ab4a829a0.exe cmd.exe PID 880 wrote to memory of 1772 880 02125e78caf01d6f19c8785ab4a829a0.exe cmd.exe PID 880 wrote to memory of 1772 880 02125e78caf01d6f19c8785ab4a829a0.exe cmd.exe PID 1772 wrote to memory of 292 1772 cmd.exe reg.exe PID 1772 wrote to memory of 292 1772 cmd.exe reg.exe PID 1772 wrote to memory of 292 1772 cmd.exe reg.exe PID 1772 wrote to memory of 292 1772 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\02125e78caf01d6f19c8785ab4a829a0.exe"C:\Users\Admin\AppData\Local\Temp\02125e78caf01d6f19c8785ab4a829a0.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
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/260-68-0x0000000000000000-mapping.dmp
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memory/292-82-0x0000000000000000-mapping.dmp
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memory/628-79-0x0000000000000000-mapping.dmp
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memory/764-78-0x0000000000000000-mapping.dmp
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memory/880-62-0x0000000000260000-0x000000000027B000-memory.dmpFilesize
108KB
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memory/880-65-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/880-60-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1016-75-0x0000000000000000-mapping.dmp
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memory/1100-66-0x0000000000000000-mapping.dmp
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memory/1100-73-0x0000000000220000-0x0000000000299000-memory.dmpFilesize
484KB
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memory/1100-71-0x0000000000170000-0x0000000000171000-memory.dmpFilesize
4KB
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memory/1100-72-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/1100-69-0x00000000000C0000-0x00000000000C1000-memory.dmpFilesize
4KB
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memory/1100-70-0x0000000000100000-0x0000000000101000-memory.dmpFilesize
4KB
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memory/1564-77-0x0000000000000000-mapping.dmp
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memory/1772-80-0x0000000000000000-mapping.dmp