Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
30-09-2021 17:19
Static task
static1
Behavioral task
behavioral1
Sample
Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe
Resource
win7v20210408
General
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Target
Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe
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Size
901KB
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MD5
4ce09ea5a6a283048005cabca2955c0e
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SHA1
19e45ffb02a59bc111e22e7accb9140d364f7821
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SHA256
0930c77f216e3647b652770d81a3e83b2fe738477ca3373e0470f4fc7dba9e24
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SHA512
5bcd5e81defe5c6127940009d3fe3f1d7ec1e6929cf4a09cb1bd54cb5f6e5b0fbfdddc1506960157d1c1f818c3669c725e7f1ff093f4b10a2bd1a5b847cda4bc
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Rydpgfedijfrhoakhqtcjqisumduwxfmob.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rydpgfe = "C:\\Users\\Public\\Libraries\\efgpdyR.url" Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe -
Drops file in System32 directory 1 IoCs
Processes:
logagent.exedescription ioc process File opened for modification C:\Windows\SysWOW64\logagent.exe logagent.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 36 IoCs
Processes:
Rydpgfedijfrhoakhqtcjqisumduwxfmob.execmd.execmd.execmd.exedescription pid process target process PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 2144 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe logagent.exe PID 2492 wrote to memory of 1016 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe cmd.exe PID 2492 wrote to memory of 1016 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe cmd.exe PID 2492 wrote to memory of 1016 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe cmd.exe PID 1016 wrote to memory of 424 1016 cmd.exe cmd.exe PID 1016 wrote to memory of 424 1016 cmd.exe cmd.exe PID 1016 wrote to memory of 424 1016 cmd.exe cmd.exe PID 424 wrote to memory of 376 424 cmd.exe reg.exe PID 424 wrote to memory of 376 424 cmd.exe reg.exe PID 424 wrote to memory of 376 424 cmd.exe reg.exe PID 424 wrote to memory of 420 424 cmd.exe reg.exe PID 424 wrote to memory of 420 424 cmd.exe reg.exe PID 424 wrote to memory of 420 424 cmd.exe reg.exe PID 424 wrote to memory of 1160 424 cmd.exe schtasks.exe PID 424 wrote to memory of 1160 424 cmd.exe schtasks.exe PID 424 wrote to memory of 1160 424 cmd.exe schtasks.exe PID 2492 wrote to memory of 656 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe cmd.exe PID 2492 wrote to memory of 656 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe cmd.exe PID 2492 wrote to memory of 656 2492 Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe cmd.exe PID 656 wrote to memory of 3948 656 cmd.exe reg.exe PID 656 wrote to memory of 3948 656 cmd.exe reg.exe PID 656 wrote to memory of 3948 656 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe"C:\Users\Admin\AppData\Local\Temp\Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\logagent.exeC:\Windows\System32\logagent.exe2⤵
- Drops file in System32 directory
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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/376-124-0x0000000000000000-mapping.dmp
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memory/420-125-0x0000000000000000-mapping.dmp
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memory/424-122-0x0000000000000000-mapping.dmp
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memory/656-133-0x0000000000000000-mapping.dmp
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memory/1016-120-0x0000000000000000-mapping.dmp
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memory/1160-126-0x0000000000000000-mapping.dmp
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memory/2144-130-0x0000000002760000-0x0000000002761000-memory.dmpFilesize
4KB
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memory/2144-128-0x0000000002880000-0x00000000029CA000-memory.dmpFilesize
1.3MB
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memory/2144-127-0x0000000002700000-0x0000000002701000-memory.dmpFilesize
4KB
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memory/2144-129-0x0000000002740000-0x0000000002741000-memory.dmpFilesize
4KB
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memory/2144-131-0x00000000725C0000-0x00000000725F5000-memory.dmpFilesize
212KB
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memory/2144-132-0x0000000002880000-0x00000000029CA000-memory.dmpFilesize
1.3MB
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memory/2144-119-0x0000000000000000-mapping.dmp
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memory/2492-115-0x0000000000620000-0x000000000076A000-memory.dmpFilesize
1.3MB
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memory/2492-118-0x0000000003C90000-0x0000000003CD9000-memory.dmpFilesize
292KB
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memory/3948-135-0x0000000000000000-mapping.dmp