Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
31-08-2021 02:43
Static task
static1
Behavioral task
behavioral1
Sample
MPaycopy.js
Resource
win7v20210408
Behavioral task
behavioral2
Sample
MPaycopy.js
Resource
win10v20210408
General
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Target
MPaycopy.js
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Size
26KB
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MD5
e50cc2184078acbb9886740526f92975
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SHA1
64b74fe23a2eff712000b258f15e92e4dcb0ae28
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SHA256
8e0718cf9229c3ec7a9bca40b38b5b0e61031e2fdee4511c8de665170c153598
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SHA512
7fc55bc3271bf8dbf9adb52727d25953ffe170ab098dad8f83b75d2f7631651765b81224cfa5e47406d36e6c10591529a2eef2e25eac8e272dc9d0840988b915
Malware Config
Signatures
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Blocklisted process makes network request 36 IoCs
Processes:
wscript.exewscript.exeflow pid process 7 652 wscript.exe 8 1852 wscript.exe 14 1852 wscript.exe 15 652 wscript.exe 18 1852 wscript.exe 19 652 wscript.exe 20 1852 wscript.exe 21 652 wscript.exe 22 1852 wscript.exe 23 652 wscript.exe 24 652 wscript.exe 25 1852 wscript.exe 26 1852 wscript.exe 27 652 wscript.exe 28 1852 wscript.exe 29 652 wscript.exe 30 1852 wscript.exe 31 652 wscript.exe 32 1852 wscript.exe 33 652 wscript.exe 34 1852 wscript.exe 35 652 wscript.exe 36 1852 wscript.exe 37 652 wscript.exe 38 1852 wscript.exe 39 652 wscript.exe 40 1852 wscript.exe 41 652 wscript.exe 42 1852 wscript.exe 43 652 wscript.exe 44 1852 wscript.exe 45 652 wscript.exe 46 1852 wscript.exe 47 652 wscript.exe 48 1852 wscript.exe 49 652 wscript.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\QFBaDfPcbm.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\QFBaDfPcbm.js wscript.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
wscript.exewscript.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\R343ND8XDN = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\MPaycopy.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\QFBaDfPcbm.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 2 IoCs
Processes:
wscript.exedescription pid process target process PID 652 wrote to memory of 1852 652 wscript.exe wscript.exe PID 652 wrote to memory of 1852 652 wscript.exe wscript.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\MPaycopy.js1⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\QFBaDfPcbm.js"2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\QFBaDfPcbm.jsMD5
1bd5ec41b28ca7cec093e8dfadef1d5b
SHA186fc74ba456c6fad7aca84f8f88046ea5fe0d519
SHA256450211bd8dd2d26ed399750d602b70a3a35200bafd0398b6c6a63cf7c95e8d46
SHA5123de650150406c1d421f06976e8afae0c7f694d2f7c368dbc7471179f82401a64fee143807ac1f9316a0815ee5abf5d34a6f3a8f65173af53961fdf9217313778
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memory/1852-114-0x0000000000000000-mapping.dmp