Analysis
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max time kernel
138s -
max time network
143s -
platform
windows7_x64 -
resource
win7-en -
submitted
15-09-2021 12:13
Static task
static1
Behavioral task
behavioral1
Sample
Medpro Actualizado Proforma 5763,pdf.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
Medpro Actualizado Proforma 5763,pdf.exe
Resource
win10v20210408
General
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Target
Medpro Actualizado Proforma 5763,pdf.exe
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Size
806KB
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MD5
691e9ae6cc7a519b8aead522e32f36a8
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SHA1
8590c404bc427f28952825ebc5848d6defb58114
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SHA256
897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62
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SHA512
af372e2096f0f07bf000c24a06ecf29f4aceffa901e1d113b93040889b24ef7370d28f375ba849b9d98f45457f15140fe3075fb1893210b73a2bd579d589b625
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Medpro Actualizado Proforma 5763,pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yipigiqb = "C:\\Users\\Public\\Libraries\\bqigipiY.url" Medpro Actualizado Proforma 5763,pdf.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 584 1680 WerFault.exe dialer.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 584 WerFault.exe 584 WerFault.exe 584 WerFault.exe 584 WerFault.exe 584 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 584 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 584 WerFault.exe -
Suspicious use of WriteProcessMemory 48 IoCs
Processes:
Medpro Actualizado Proforma 5763,pdf.exedialer.execmd.execmd.execmd.exedescription pid process target process PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 1680 1984 Medpro Actualizado Proforma 5763,pdf.exe dialer.exe PID 1984 wrote to memory of 784 1984 Medpro Actualizado Proforma 5763,pdf.exe cmd.exe PID 1984 wrote to memory of 784 1984 Medpro Actualizado Proforma 5763,pdf.exe cmd.exe PID 1984 wrote to memory of 784 1984 Medpro Actualizado Proforma 5763,pdf.exe cmd.exe PID 1984 wrote to memory of 784 1984 Medpro Actualizado Proforma 5763,pdf.exe cmd.exe PID 1680 wrote to memory of 584 1680 dialer.exe WerFault.exe PID 1680 wrote to memory of 584 1680 dialer.exe WerFault.exe PID 1680 wrote to memory of 584 1680 dialer.exe WerFault.exe PID 1680 wrote to memory of 584 1680 dialer.exe WerFault.exe PID 784 wrote to memory of 1092 784 cmd.exe cmd.exe PID 784 wrote to memory of 1092 784 cmd.exe cmd.exe PID 784 wrote to memory of 1092 784 cmd.exe cmd.exe PID 784 wrote to memory of 1092 784 cmd.exe cmd.exe PID 1092 wrote to memory of 1816 1092 cmd.exe reg.exe PID 1092 wrote to memory of 1816 1092 cmd.exe reg.exe PID 1092 wrote to memory of 1816 1092 cmd.exe reg.exe PID 1092 wrote to memory of 1816 1092 cmd.exe reg.exe PID 1092 wrote to memory of 1596 1092 cmd.exe reg.exe PID 1092 wrote to memory of 1596 1092 cmd.exe reg.exe PID 1092 wrote to memory of 1596 1092 cmd.exe reg.exe PID 1092 wrote to memory of 1596 1092 cmd.exe reg.exe PID 1092 wrote to memory of 1708 1092 cmd.exe schtasks.exe PID 1092 wrote to memory of 1708 1092 cmd.exe schtasks.exe PID 1092 wrote to memory of 1708 1092 cmd.exe schtasks.exe PID 1092 wrote to memory of 1708 1092 cmd.exe schtasks.exe PID 1984 wrote to memory of 1120 1984 Medpro Actualizado Proforma 5763,pdf.exe cmd.exe PID 1984 wrote to memory of 1120 1984 Medpro Actualizado Proforma 5763,pdf.exe cmd.exe PID 1984 wrote to memory of 1120 1984 Medpro Actualizado Proforma 5763,pdf.exe cmd.exe PID 1984 wrote to memory of 1120 1984 Medpro Actualizado Proforma 5763,pdf.exe cmd.exe PID 1120 wrote to memory of 1748 1120 cmd.exe reg.exe PID 1120 wrote to memory of 1748 1120 cmd.exe reg.exe PID 1120 wrote to memory of 1748 1120 cmd.exe reg.exe PID 1120 wrote to memory of 1748 1120 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Medpro Actualizado Proforma 5763,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Medpro Actualizado Proforma 5763,pdf.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 1680 -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/584-58-0x0000000000000000-mapping.dmp
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memory/584-70-0x0000000000320000-0x0000000000321000-memory.dmpFilesize
4KB
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memory/784-57-0x0000000000000000-mapping.dmp
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memory/1092-60-0x0000000000000000-mapping.dmp
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memory/1120-71-0x0000000000000000-mapping.dmp
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memory/1596-67-0x0000000000000000-mapping.dmp
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memory/1680-62-0x0000000000080000-0x0000000000081000-memory.dmpFilesize
4KB
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memory/1680-65-0x0000000000210000-0x0000000000211000-memory.dmpFilesize
4KB
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memory/1680-63-0x00000000000C0000-0x00000000000C1000-memory.dmpFilesize
4KB
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memory/1680-66-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/1680-55-0x0000000000000000-mapping.dmp
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memory/1708-68-0x0000000000000000-mapping.dmp
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memory/1748-73-0x0000000000000000-mapping.dmp
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memory/1816-64-0x0000000000000000-mapping.dmp
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memory/1984-53-0x0000000075351000-0x0000000075353000-memory.dmpFilesize
8KB
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memory/1984-54-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB