Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10_x64 -
resource
win10-en -
submitted
03-09-2021 02:03
Static task
static1
Behavioral task
behavioral1
Sample
ce5d381161004cbbd80eaf1f37089cb2.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
ce5d381161004cbbd80eaf1f37089cb2.exe
Resource
win10-en
General
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Target
ce5d381161004cbbd80eaf1f37089cb2.exe
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Size
748KB
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MD5
ce5d381161004cbbd80eaf1f37089cb2
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SHA1
b9005e605fac55df470cde2b1ab0a1441fb1527f
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SHA256
b0f43b627353f91afa5e4a9c5eea655f5375e497933a6e37c3c0f8a5a29a2889
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SHA512
30a4f9780bc2eddd79a5f64ddb186b6852c95c545b72351102d0883e81b15a99fb328b243fe48d6ac490749915c01c6a407746aa89f661e673b7638cdb9bb4d8
Malware Config
Extracted
remcos
3.2.0 Pro
Augusta
twistednerd.dvrlists.com:8618
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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
Augusta-LF4SC3
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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:
ce5d381161004cbbd80eaf1f37089cb2.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uogsnyk = "C:\\Users\\Public\\Libraries\\kynsgoU.url" ce5d381161004cbbd80eaf1f37089cb2.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 36 IoCs
Processes:
ce5d381161004cbbd80eaf1f37089cb2.execmd.execmd.execmd.exedescription pid process target process PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 3856 3976 ce5d381161004cbbd80eaf1f37089cb2.exe secinit.exe PID 3976 wrote to memory of 1428 3976 ce5d381161004cbbd80eaf1f37089cb2.exe cmd.exe PID 3976 wrote to memory of 1428 3976 ce5d381161004cbbd80eaf1f37089cb2.exe cmd.exe PID 3976 wrote to memory of 1428 3976 ce5d381161004cbbd80eaf1f37089cb2.exe cmd.exe PID 1428 wrote to memory of 2644 1428 cmd.exe cmd.exe PID 1428 wrote to memory of 2644 1428 cmd.exe cmd.exe PID 1428 wrote to memory of 2644 1428 cmd.exe cmd.exe PID 2644 wrote to memory of 3420 2644 cmd.exe reg.exe PID 2644 wrote to memory of 3420 2644 cmd.exe reg.exe PID 2644 wrote to memory of 3420 2644 cmd.exe reg.exe PID 2644 wrote to memory of 3196 2644 cmd.exe reg.exe PID 2644 wrote to memory of 3196 2644 cmd.exe reg.exe PID 2644 wrote to memory of 3196 2644 cmd.exe reg.exe PID 2644 wrote to memory of 1880 2644 cmd.exe schtasks.exe PID 2644 wrote to memory of 1880 2644 cmd.exe schtasks.exe PID 2644 wrote to memory of 1880 2644 cmd.exe schtasks.exe PID 3976 wrote to memory of 3484 3976 ce5d381161004cbbd80eaf1f37089cb2.exe cmd.exe PID 3976 wrote to memory of 3484 3976 ce5d381161004cbbd80eaf1f37089cb2.exe cmd.exe PID 3976 wrote to memory of 3484 3976 ce5d381161004cbbd80eaf1f37089cb2.exe cmd.exe PID 3484 wrote to memory of 908 3484 cmd.exe reg.exe PID 3484 wrote to memory of 908 3484 cmd.exe reg.exe PID 3484 wrote to memory of 908 3484 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ce5d381161004cbbd80eaf1f37089cb2.exe"C:\Users\Admin\AppData\Local\Temp\ce5d381161004cbbd80eaf1f37089cb2.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\secinit.exeC:\Windows\System32\secinit.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
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/908-135-0x0000000000000000-mapping.dmp
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memory/1428-121-0x0000000000000000-mapping.dmp
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memory/1880-127-0x0000000000000000-mapping.dmp
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memory/2644-123-0x0000000000000000-mapping.dmp
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memory/3196-126-0x0000000000000000-mapping.dmp
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memory/3420-125-0x0000000000000000-mapping.dmp
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memory/3484-133-0x0000000000000000-mapping.dmp
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memory/3856-129-0x0000000000E90000-0x0000000000E91000-memory.dmpFilesize
4KB
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memory/3856-128-0x0000000000A80000-0x0000000000A81000-memory.dmpFilesize
4KB
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memory/3856-131-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/3856-130-0x0000000000AE0000-0x0000000000AE1000-memory.dmpFilesize
4KB
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memory/3856-132-0x0000000000400000-0x0000000000479000-memory.dmpFilesize
484KB
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memory/3856-120-0x0000000000000000-mapping.dmp
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memory/3976-115-0x0000000000760000-0x0000000000761000-memory.dmpFilesize
4KB
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memory/3976-117-0x00000000007B0000-0x00000000007CB000-memory.dmpFilesize
108KB