Analysis
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max time kernel
153s -
max time network
154s -
platform
windows10_x64 -
resource
win10-en -
submitted
15-09-2021 07:02
Static task
static1
Behavioral task
behavioral1
Sample
6ace6b693a8e75a48b0f522b82261e24.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
6ace6b693a8e75a48b0f522b82261e24.exe
Resource
win10-en
General
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Target
6ace6b693a8e75a48b0f522b82261e24.exe
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Size
737KB
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MD5
6ace6b693a8e75a48b0f522b82261e24
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SHA1
f4d8a3d7074a16f3079373e261b9a4aee51b925e
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SHA256
0931c846b40b267c584362df24226e925217ae7e93698f0041b6fe7679a143b2
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SHA512
c30ec76b0afd5f7c998e79a1e2f0b4b9d7fab33275b19f52f1c1c1a8007c20d5a8a0c4ebf71baa03946d169caab5669177c447942c6e1a50f5333b9a8d42e2ab
Malware Config
Extracted
remcos
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
explors-GK2JFC
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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:
6ace6b693a8e75a48b0f522b82261e24.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Pxhvzak = "C:\\Users\\Public\\Libraries\\kazvhxP.url" 6ace6b693a8e75a48b0f522b82261e24.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 36 IoCs
Processes:
6ace6b693a8e75a48b0f522b82261e24.execmd.execmd.execmd.exedescription pid process target process PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 3584 3340 6ace6b693a8e75a48b0f522b82261e24.exe mobsync.exe PID 3340 wrote to memory of 4044 3340 6ace6b693a8e75a48b0f522b82261e24.exe cmd.exe PID 3340 wrote to memory of 4044 3340 6ace6b693a8e75a48b0f522b82261e24.exe cmd.exe PID 3340 wrote to memory of 4044 3340 6ace6b693a8e75a48b0f522b82261e24.exe cmd.exe PID 4044 wrote to memory of 3516 4044 cmd.exe cmd.exe PID 4044 wrote to memory of 3516 4044 cmd.exe cmd.exe PID 4044 wrote to memory of 3516 4044 cmd.exe cmd.exe PID 3516 wrote to memory of 3596 3516 cmd.exe reg.exe PID 3516 wrote to memory of 3596 3516 cmd.exe reg.exe PID 3516 wrote to memory of 3596 3516 cmd.exe reg.exe PID 3516 wrote to memory of 3964 3516 cmd.exe reg.exe PID 3516 wrote to memory of 3964 3516 cmd.exe reg.exe PID 3516 wrote to memory of 3964 3516 cmd.exe reg.exe PID 3516 wrote to memory of 3784 3516 cmd.exe schtasks.exe PID 3516 wrote to memory of 3784 3516 cmd.exe schtasks.exe PID 3516 wrote to memory of 3784 3516 cmd.exe schtasks.exe PID 3340 wrote to memory of 3668 3340 6ace6b693a8e75a48b0f522b82261e24.exe cmd.exe PID 3340 wrote to memory of 3668 3340 6ace6b693a8e75a48b0f522b82261e24.exe cmd.exe PID 3340 wrote to memory of 3668 3340 6ace6b693a8e75a48b0f522b82261e24.exe cmd.exe PID 3668 wrote to memory of 524 3668 cmd.exe reg.exe PID 3668 wrote to memory of 524 3668 cmd.exe reg.exe PID 3668 wrote to memory of 524 3668 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6ace6b693a8e75a48b0f522b82261e24.exe"C:\Users\Admin\AppData\Local\Temp\6ace6b693a8e75a48b0f522b82261e24.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/524-131-0x0000000000000000-mapping.dmp
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memory/3340-115-0x0000000000A50000-0x0000000000A51000-memory.dmpFilesize
4KB
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memory/3516-124-0x0000000000000000-mapping.dmp
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memory/3584-118-0x00000000002C0000-0x00000000002C1000-memory.dmpFilesize
4KB
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memory/3584-120-0x0000000002310000-0x0000000002311000-memory.dmpFilesize
4KB
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memory/3584-122-0x0000000004110000-0x0000000004189000-memory.dmpFilesize
484KB
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memory/3584-121-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/3584-119-0x00000000023A0000-0x00000000023A1000-memory.dmpFilesize
4KB
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memory/3584-116-0x0000000000000000-mapping.dmp
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memory/3596-126-0x0000000000000000-mapping.dmp
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memory/3668-129-0x0000000000000000-mapping.dmp
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memory/3784-128-0x0000000000000000-mapping.dmp
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memory/3964-127-0x0000000000000000-mapping.dmp
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memory/4044-117-0x0000000000000000-mapping.dmp