Analysis
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max time kernel
136s -
max time network
170s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
15-09-2021 07:04
Static task
static1
Behavioral task
behavioral1
Sample
d243052a864f576aee18da1a504d28c5.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
d243052a864f576aee18da1a504d28c5.exe
Resource
win10v20210408
General
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Target
d243052a864f576aee18da1a504d28c5.exe
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Size
777KB
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MD5
d243052a864f576aee18da1a504d28c5
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SHA1
4f5e2695d6f056eff962213f6e918632195e8a9d
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SHA256
5af151486027d69aa05149784773298808ef5ba77a114db79462afba4bc69873
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SHA512
13b32c2bbaac3b4dfa5a765927f8d3c6bfdd40302339492185892e02efdc422153e3b83467c0830ef798648a4a3fcab5ad7ba17bba8a32ddc2689c7c8de74da0
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
d243052a864f576aee18da1a504d28c5.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rdnatff = "C:\\Users\\Public\\Libraries\\fftandR.url" d243052a864f576aee18da1a504d28c5.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2012 1604 WerFault.exe dialer.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 2012 WerFault.exe 2012 WerFault.exe 2012 WerFault.exe 2012 WerFault.exe 2012 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 2012 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 2012 WerFault.exe -
Suspicious use of WriteProcessMemory 48 IoCs
Processes:
d243052a864f576aee18da1a504d28c5.exedialer.execmd.execmd.execmd.exedescription pid process target process PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1604 656 d243052a864f576aee18da1a504d28c5.exe dialer.exe PID 656 wrote to memory of 1924 656 d243052a864f576aee18da1a504d28c5.exe cmd.exe PID 656 wrote to memory of 1924 656 d243052a864f576aee18da1a504d28c5.exe cmd.exe PID 656 wrote to memory of 1924 656 d243052a864f576aee18da1a504d28c5.exe cmd.exe PID 656 wrote to memory of 1924 656 d243052a864f576aee18da1a504d28c5.exe cmd.exe PID 1604 wrote to memory of 2012 1604 dialer.exe WerFault.exe PID 1604 wrote to memory of 2012 1604 dialer.exe WerFault.exe PID 1604 wrote to memory of 2012 1604 dialer.exe WerFault.exe PID 1604 wrote to memory of 2012 1604 dialer.exe WerFault.exe PID 1924 wrote to memory of 1908 1924 cmd.exe cmd.exe PID 1924 wrote to memory of 1908 1924 cmd.exe cmd.exe PID 1924 wrote to memory of 1908 1924 cmd.exe cmd.exe PID 1924 wrote to memory of 1908 1924 cmd.exe cmd.exe PID 1908 wrote to memory of 792 1908 cmd.exe reg.exe PID 1908 wrote to memory of 792 1908 cmd.exe reg.exe PID 1908 wrote to memory of 792 1908 cmd.exe reg.exe PID 1908 wrote to memory of 792 1908 cmd.exe reg.exe PID 1908 wrote to memory of 1544 1908 cmd.exe reg.exe PID 1908 wrote to memory of 1544 1908 cmd.exe reg.exe PID 1908 wrote to memory of 1544 1908 cmd.exe reg.exe PID 1908 wrote to memory of 1544 1908 cmd.exe reg.exe PID 1908 wrote to memory of 1876 1908 cmd.exe schtasks.exe PID 1908 wrote to memory of 1876 1908 cmd.exe schtasks.exe PID 1908 wrote to memory of 1876 1908 cmd.exe schtasks.exe PID 1908 wrote to memory of 1876 1908 cmd.exe schtasks.exe PID 656 wrote to memory of 1948 656 d243052a864f576aee18da1a504d28c5.exe cmd.exe PID 656 wrote to memory of 1948 656 d243052a864f576aee18da1a504d28c5.exe cmd.exe PID 656 wrote to memory of 1948 656 d243052a864f576aee18da1a504d28c5.exe cmd.exe PID 656 wrote to memory of 1948 656 d243052a864f576aee18da1a504d28c5.exe cmd.exe PID 1948 wrote to memory of 1000 1948 cmd.exe reg.exe PID 1948 wrote to memory of 1000 1948 cmd.exe reg.exe PID 1948 wrote to memory of 1000 1948 cmd.exe reg.exe PID 1948 wrote to memory of 1000 1948 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d243052a864f576aee18da1a504d28c5.exe"C:\Users\Admin\AppData\Local\Temp\d243052a864f576aee18da1a504d28c5.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\dialer.exeC:\Windows\System32\dialer.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1483⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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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/656-60-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/656-62-0x0000000000260000-0x000000000027B000-memory.dmpFilesize
108KB
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memory/656-59-0x0000000075891000-0x0000000075893000-memory.dmpFilesize
8KB
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memory/792-72-0x0000000000000000-mapping.dmp
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memory/1000-83-0x0000000000000000-mapping.dmp
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memory/1544-73-0x0000000000000000-mapping.dmp
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memory/1604-74-0x0000000000100000-0x0000000000101000-memory.dmpFilesize
4KB
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memory/1604-77-0x0000000000080000-0x0000000000081000-memory.dmpFilesize
4KB
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memory/1604-76-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/1604-75-0x0000000000250000-0x0000000000251000-memory.dmpFilesize
4KB
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memory/1604-65-0x0000000000000000-mapping.dmp
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memory/1876-78-0x0000000000000000-mapping.dmp
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memory/1908-70-0x0000000000000000-mapping.dmp
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memory/1924-67-0x0000000000000000-mapping.dmp
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memory/1948-81-0x0000000000000000-mapping.dmp
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memory/2012-68-0x0000000000000000-mapping.dmp
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memory/2012-80-0x0000000001E30000-0x0000000001E31000-memory.dmpFilesize
4KB