Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
27-08-2021 04:58
Static task
static1
Behavioral task
behavioral1
Sample
Confirmación del pedido _ Urgente,pdf.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
Confirmación del pedido _ Urgente,pdf.exe
Resource
win10v20210408
General
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Target
Confirmación del pedido _ Urgente,pdf.exe
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Size
683KB
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MD5
c02fb969c868b75f525fc12941024fdc
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SHA1
73c4164a573da5b8f0d1f79e487e3d0f4013e7c8
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SHA256
7ba9b36e3c64a4228b23342cb27691d542bbe7cdc4a53bb1bdbd7622c55b5a06
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SHA512
8ea7b0429b248e3413c3c3f1cf61851d88db86bd00e5979fb6bf57c18bdf404bde25f0b5f0ee52635e1c05738d30e267ea9db6bc8e99ab45d5a2a48a53bfc7b1
Malware Config
Extracted
remcos
3.1.5 Pro
E sure 4 me
thankyoulord4real.ddns.net:3030
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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-7DDGKV
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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:
Confirmación del pedido _ Urgente,pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dliiekk = "C:\\Users\\Public\\Libraries\\kkeiilD.url" Confirmación del pedido _ Urgente,pdf.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 47 IoCs
Processes:
Confirmación del pedido _ Urgente,pdf.execmd.execmd.execmd.exedescription pid process target process PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 960 1052 Confirmación del pedido _ Urgente,pdf.exe ieinstal.exe PID 1052 wrote to memory of 1068 1052 Confirmación del pedido _ Urgente,pdf.exe cmd.exe PID 1052 wrote to memory of 1068 1052 Confirmación del pedido _ Urgente,pdf.exe cmd.exe PID 1052 wrote to memory of 1068 1052 Confirmación del pedido _ Urgente,pdf.exe cmd.exe PID 1052 wrote to memory of 1068 1052 Confirmación del pedido _ Urgente,pdf.exe cmd.exe PID 1068 wrote to memory of 1520 1068 cmd.exe cmd.exe PID 1068 wrote to memory of 1520 1068 cmd.exe cmd.exe PID 1068 wrote to memory of 1520 1068 cmd.exe cmd.exe PID 1068 wrote to memory of 1520 1068 cmd.exe cmd.exe PID 1520 wrote to memory of 340 1520 cmd.exe reg.exe PID 1520 wrote to memory of 340 1520 cmd.exe reg.exe PID 1520 wrote to memory of 340 1520 cmd.exe reg.exe PID 1520 wrote to memory of 340 1520 cmd.exe reg.exe PID 1520 wrote to memory of 1904 1520 cmd.exe reg.exe PID 1520 wrote to memory of 1904 1520 cmd.exe reg.exe PID 1520 wrote to memory of 1904 1520 cmd.exe reg.exe PID 1520 wrote to memory of 1904 1520 cmd.exe reg.exe PID 1520 wrote to memory of 1816 1520 cmd.exe schtasks.exe PID 1520 wrote to memory of 1816 1520 cmd.exe schtasks.exe PID 1520 wrote to memory of 1816 1520 cmd.exe schtasks.exe PID 1520 wrote to memory of 1816 1520 cmd.exe schtasks.exe PID 1052 wrote to memory of 456 1052 Confirmación del pedido _ Urgente,pdf.exe cmd.exe PID 1052 wrote to memory of 456 1052 Confirmación del pedido _ Urgente,pdf.exe cmd.exe PID 1052 wrote to memory of 456 1052 Confirmación del pedido _ Urgente,pdf.exe cmd.exe PID 1052 wrote to memory of 456 1052 Confirmación del pedido _ Urgente,pdf.exe cmd.exe PID 456 wrote to memory of 1596 456 cmd.exe reg.exe PID 456 wrote to memory of 1596 456 cmd.exe reg.exe PID 456 wrote to memory of 1596 456 cmd.exe reg.exe PID 456 wrote to memory of 1596 456 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Confirmación del pedido _ Urgente,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Confirmación del pedido _ Urgente,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/340-72-0x0000000000000000-mapping.dmp
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memory/456-80-0x0000000000000000-mapping.dmp
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memory/960-78-0x0000000000400000-0x0000000000479000-memory.dmpFilesize
484KB
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memory/960-77-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/960-75-0x0000000000150000-0x0000000000151000-memory.dmpFilesize
4KB
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memory/960-66-0x0000000000000000-mapping.dmp
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memory/960-76-0x00000000002F0000-0x00000000002F1000-memory.dmpFilesize
4KB
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memory/960-79-0x00000000000D0000-0x00000000000D1000-memory.dmpFilesize
4KB
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memory/1052-60-0x0000000075721000-0x0000000075723000-memory.dmpFilesize
8KB
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memory/1052-65-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/1052-62-0x0000000000260000-0x000000000027B000-memory.dmpFilesize
108KB
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memory/1068-67-0x0000000000000000-mapping.dmp
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memory/1520-70-0x0000000000000000-mapping.dmp
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memory/1596-82-0x0000000000000000-mapping.dmp
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memory/1816-74-0x0000000000000000-mapping.dmp
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memory/1904-73-0x0000000000000000-mapping.dmp