Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-06-2022 09:13
Static task
static1
Behavioral task
behavioral1
Sample
431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe
Resource
win7-20220414-en
0 signatures
0 seconds
General
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Target
431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe
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Size
1.8MB
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MD5
2cf781524cfc2de65a27fa5304d1db0f
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SHA1
57177f7fd21c51aaf2cbcc96ac9e1f6f00cf5a65
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SHA256
431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57
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SHA512
50f2d0aebf1bbec70dcd6c13b894353c4f9946ac9afa7c5bd3996ce733f6f3d632e3d66cad782c008e2e5fce1e679dd35b76ed9701aaa5b3236122461ad010e6
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1120 cmd.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1980 set thread context of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Delays execution with timeout.exe 1 IoCs
pid Process 1524 timeout.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1908 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1908 RegAsm.exe Token: 33 1908 RegAsm.exe Token: SeIncBasePriorityPrivilege 1908 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1908 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1980 wrote to memory of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 PID 1980 wrote to memory of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 PID 1980 wrote to memory of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 PID 1980 wrote to memory of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 PID 1980 wrote to memory of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 PID 1980 wrote to memory of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 PID 1980 wrote to memory of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 PID 1980 wrote to memory of 1908 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 27 PID 1980 wrote to memory of 1120 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 28 PID 1980 wrote to memory of 1120 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 28 PID 1980 wrote to memory of 1120 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 28 PID 1980 wrote to memory of 1120 1980 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe 28 PID 1120 wrote to memory of 1524 1120 cmd.exe 30 PID 1120 wrote to memory of 1524 1120 cmd.exe 30 PID 1120 wrote to memory of 1524 1120 cmd.exe 30 PID 1120 wrote to memory of 1524 1120 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1908
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\SysWOW64\timeout.exeTimeOut 13⤵
- Delays execution with timeout.exe
PID:1524
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:1896