Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
06-05-2021 07:29
Static task
static1
Behavioral task
behavioral1
Sample
a1990886962a1099568261dba39d5093.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
a1990886962a1099568261dba39d5093.exe
Resource
win10v20210408
General
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Target
a1990886962a1099568261dba39d5093.exe
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Size
1.1MB
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MD5
a1990886962a1099568261dba39d5093
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SHA1
5bd0bd3a6371f536d75fc384a7f8433311bedb78
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SHA256
b2c6522e33aaab89652cba0f9266435563eed285db3dff387e1ee12a6d28e898
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SHA512
f90ed573ef68a616f67e7fdb6bf6e3f2256fddf9c0acc22eb9ecff6d3bd4f414acb910ef4f2fbc493d8ff5afeadf88795ae571eb9815e3807f3601a440196c2b
Malware Config
Extracted
remcos
hjduiebcvzcalpmjdbcnwqadhsiybcnzxswedgap.ydns.eu:2024
Signatures
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Executes dropped EXE 2 IoCs
Processes:
win.exewin.exepid process 640 win.exe 320 win.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1480 cmd.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
a1990886962a1099568261dba39d5093.exewin.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a1990886962a1099568261dba39d5093.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\win = "\"C:\\Users\\Admin\\AppData\\Roaming\\win.exe\"" a1990886962a1099568261dba39d5093.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\ win.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\win = "\"C:\\Users\\Admin\\AppData\\Roaming\\win.exe\"" win.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
a1990886962a1099568261dba39d5093.exewin.exedescription pid process target process PID 1100 set thread context of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 640 set thread context of 320 640 win.exe win.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 SetWindowsHookEx 1 IoCs
Processes:
win.exepid process 320 win.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
a1990886962a1099568261dba39d5093.exea1990886962a1099568261dba39d5093.exeWScript.execmd.exewin.exedescription pid process target process PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1100 wrote to memory of 1344 1100 a1990886962a1099568261dba39d5093.exe a1990886962a1099568261dba39d5093.exe PID 1344 wrote to memory of 1540 1344 a1990886962a1099568261dba39d5093.exe WScript.exe PID 1344 wrote to memory of 1540 1344 a1990886962a1099568261dba39d5093.exe WScript.exe PID 1344 wrote to memory of 1540 1344 a1990886962a1099568261dba39d5093.exe WScript.exe PID 1344 wrote to memory of 1540 1344 a1990886962a1099568261dba39d5093.exe WScript.exe PID 1540 wrote to memory of 1480 1540 WScript.exe cmd.exe PID 1540 wrote to memory of 1480 1540 WScript.exe cmd.exe PID 1540 wrote to memory of 1480 1540 WScript.exe cmd.exe PID 1540 wrote to memory of 1480 1540 WScript.exe cmd.exe PID 1480 wrote to memory of 640 1480 cmd.exe win.exe PID 1480 wrote to memory of 640 1480 cmd.exe win.exe PID 1480 wrote to memory of 640 1480 cmd.exe win.exe PID 1480 wrote to memory of 640 1480 cmd.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe PID 640 wrote to memory of 320 640 win.exe win.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a1990886962a1099568261dba39d5093.exe"C:\Users\Admin\AppData\Local\Temp\a1990886962a1099568261dba39d5093.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\a1990886962a1099568261dba39d5093.exe"C:\Users\Admin\AppData\Local\Temp\a1990886962a1099568261dba39d5093.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\win.exe"4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\win.exeC:\Users\Admin\AppData\Roaming\win.exe5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\win.exe"C:\Users\Admin\AppData\Roaming\win.exe"6⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\install.vbsMD5
4a74e626596d6e66b4bbc59ee6848f2d
SHA1047849ac8735ecc0943428c7cd5e00b52eee06ed
SHA25698bd6dc219a7a3e04d3d67bbec9f0b4d4640831a3a6be0a0078b050041088b0e
SHA5121cd943482d0f1ce2ffaf6ee4a82895e4d57c52051bb14bbda0548cf072b4c5cbe719d2cdb549b5ae7c0241dd9c68dd9d1674acd26aed684b8145500079cc5403
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C:\Users\Admin\AppData\Roaming\win.exeMD5
a1990886962a1099568261dba39d5093
SHA15bd0bd3a6371f536d75fc384a7f8433311bedb78
SHA256b2c6522e33aaab89652cba0f9266435563eed285db3dff387e1ee12a6d28e898
SHA512f90ed573ef68a616f67e7fdb6bf6e3f2256fddf9c0acc22eb9ecff6d3bd4f414acb910ef4f2fbc493d8ff5afeadf88795ae571eb9815e3807f3601a440196c2b
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C:\Users\Admin\AppData\Roaming\win.exeMD5
a1990886962a1099568261dba39d5093
SHA15bd0bd3a6371f536d75fc384a7f8433311bedb78
SHA256b2c6522e33aaab89652cba0f9266435563eed285db3dff387e1ee12a6d28e898
SHA512f90ed573ef68a616f67e7fdb6bf6e3f2256fddf9c0acc22eb9ecff6d3bd4f414acb910ef4f2fbc493d8ff5afeadf88795ae571eb9815e3807f3601a440196c2b
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C:\Users\Admin\AppData\Roaming\win.exeMD5
a1990886962a1099568261dba39d5093
SHA15bd0bd3a6371f536d75fc384a7f8433311bedb78
SHA256b2c6522e33aaab89652cba0f9266435563eed285db3dff387e1ee12a6d28e898
SHA512f90ed573ef68a616f67e7fdb6bf6e3f2256fddf9c0acc22eb9ecff6d3bd4f414acb910ef4f2fbc493d8ff5afeadf88795ae571eb9815e3807f3601a440196c2b
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\Users\Admin\AppData\Roaming\win.exeMD5
a1990886962a1099568261dba39d5093
SHA15bd0bd3a6371f536d75fc384a7f8433311bedb78
SHA256b2c6522e33aaab89652cba0f9266435563eed285db3dff387e1ee12a6d28e898
SHA512f90ed573ef68a616f67e7fdb6bf6e3f2256fddf9c0acc22eb9ecff6d3bd4f414acb910ef4f2fbc493d8ff5afeadf88795ae571eb9815e3807f3601a440196c2b
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memory/320-80-0x0000000000413FA4-mapping.dmp
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memory/320-83-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/640-78-0x0000000004F40000-0x0000000004F41000-memory.dmpFilesize
4KB
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memory/640-75-0x00000000011F0000-0x00000000011F1000-memory.dmpFilesize
4KB
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memory/640-73-0x0000000000000000-mapping.dmp
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memory/1100-59-0x0000000000030000-0x0000000000031000-memory.dmpFilesize
4KB
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memory/1100-62-0x0000000004D70000-0x0000000004D71000-memory.dmpFilesize
4KB
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memory/1100-61-0x0000000000410000-0x000000000043A000-memory.dmpFilesize
168KB
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memory/1344-64-0x0000000000413FA4-mapping.dmp
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memory/1344-69-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1344-65-0x0000000075A31000-0x0000000075A33000-memory.dmpFilesize
8KB
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memory/1344-63-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1480-70-0x0000000000000000-mapping.dmp
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memory/1540-66-0x0000000000000000-mapping.dmp