Analysis
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max time kernel
152s -
max time network
162s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
07-09-2021 17:54
Static task
static1
Behavioral task
behavioral1
Sample
Confirmação do pedido _ Urgente,pdf.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Confirmação do pedido _ Urgente,pdf.exe
Resource
win10v20210408
General
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Target
Confirmação do pedido _ Urgente,pdf.exe
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Size
723KB
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MD5
955071bb7145579746b2c1336426039f
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SHA1
e67c508f4c4aed6bd61ce979d41877aafb2bc30c
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SHA256
8aa2379084127a3eaa67bf4aadd0ee90c8189cc9696d516256211dbbcc7d39c5
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SHA512
e2a90fe6029f3025de23796d58a7e48e386b15a79c8f7f60526b422aaa41ae2bab73ba4c0342da4e324cb4132ae4dc128b71bf6ec82fed23b844eafef1fd197e
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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Confirmação do pedido _ Urgente,pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vccscnj = "C:\\Users\\Public\\Libraries\\jncsccV.url" Confirmação do pedido _ Urgente,pdf.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 36 IoCs
Processes:
Confirmação do pedido _ Urgente,pdf.execmd.execmd.execmd.exedescription pid process target process PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 928 664 Confirmação do pedido _ Urgente,pdf.exe mobsync.exe PID 664 wrote to memory of 2224 664 Confirmação do pedido _ Urgente,pdf.exe cmd.exe PID 664 wrote to memory of 2224 664 Confirmação do pedido _ Urgente,pdf.exe cmd.exe PID 664 wrote to memory of 2224 664 Confirmação do pedido _ Urgente,pdf.exe cmd.exe PID 2224 wrote to memory of 1328 2224 cmd.exe cmd.exe PID 2224 wrote to memory of 1328 2224 cmd.exe cmd.exe PID 2224 wrote to memory of 1328 2224 cmd.exe cmd.exe PID 1328 wrote to memory of 2080 1328 cmd.exe reg.exe PID 1328 wrote to memory of 2080 1328 cmd.exe reg.exe PID 1328 wrote to memory of 2080 1328 cmd.exe reg.exe PID 1328 wrote to memory of 3520 1328 cmd.exe reg.exe PID 1328 wrote to memory of 3520 1328 cmd.exe reg.exe PID 1328 wrote to memory of 3520 1328 cmd.exe reg.exe PID 1328 wrote to memory of 1192 1328 cmd.exe schtasks.exe PID 1328 wrote to memory of 1192 1328 cmd.exe schtasks.exe PID 1328 wrote to memory of 1192 1328 cmd.exe schtasks.exe PID 664 wrote to memory of 3700 664 Confirmação do pedido _ Urgente,pdf.exe cmd.exe PID 664 wrote to memory of 3700 664 Confirmação do pedido _ Urgente,pdf.exe cmd.exe PID 664 wrote to memory of 3700 664 Confirmação do pedido _ Urgente,pdf.exe cmd.exe PID 3700 wrote to memory of 3944 3700 cmd.exe reg.exe PID 3700 wrote to memory of 3944 3700 cmd.exe reg.exe PID 3700 wrote to memory of 3944 3700 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Confirmação do pedido _ Urgente,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Confirmação do pedido _ Urgente,pdf.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mobsync.exeC:\Windows\System32\mobsync.exe2⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /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.exeC:\Windows\system32\cmd.exe /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/664-114-0x0000000000770000-0x0000000000771000-memory.dmpFilesize
4KB
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memory/928-118-0x0000000000000000-mapping.dmp
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memory/928-121-0x0000000003250000-0x0000000003251000-memory.dmpFilesize
4KB
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memory/928-120-0x0000000002F90000-0x0000000002F91000-memory.dmpFilesize
4KB
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memory/928-122-0x0000000003210000-0x0000000003211000-memory.dmpFilesize
4KB
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memory/928-123-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/928-130-0x0000000000400000-0x0000000000479000-memory.dmpFilesize
484KB
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memory/1192-129-0x0000000000000000-mapping.dmp
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memory/1328-125-0x0000000000000000-mapping.dmp
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memory/2080-127-0x0000000000000000-mapping.dmp
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memory/2224-119-0x0000000000000000-mapping.dmp
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memory/3520-128-0x0000000000000000-mapping.dmp
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memory/3700-131-0x0000000000000000-mapping.dmp
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memory/3944-133-0x0000000000000000-mapping.dmp