Analysis
- max time kernel
151s - max time network
148s - platform
windows10_x64 - resource
win10v20210408 - submitted
05/05/2021, 09:05
Static task
static1
Behavioral task
behavioral1
Sample
ed8c66bd_by_Libranalysis.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
ed8c66bd_by_Libranalysis.exe
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
- Target ed8c66bd_by_Libranalysis.exe
- Size 626KB
- Sample210505-rah9jee4ke
- SHA256 0fdbe9d827930dcc2fa71ac6db6a187d1c7803cc6945ed577aa28af55ef0e9a2
- MD5 ed8c66bde2982acf093954409161d461
- SHA1 e6230962c1b0c20cbacd35b7e076605338d69491
- SHA512 00a48822814c6d4b6adbd02bc3de78dbf936e07dfb605683b621956b42cf6ecf1c2d656007f304f5e72a317a6a87e5bd5d01be04a7344124c58ecac6f0368788
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\IMUcsggA\\VewAkggM.exe," ed8c66bd_by_Libranalysis.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\ProgramData\\IMUcsggA\\VewAkggM.exe," ed8c66bd_by_Libranalysis.exe - Modifies visibility of file extensions in Explorer 2 TTPs
- Executes dropped EXE 4 IoCs
pid Process 3640 jusEMkUY.exe 4088 VewAkggM.exe 684 qiokgogk.exe 192 cpack.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\International\Geo\Nation VewAkggM.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VewAkggM.exe = "C:\\ProgramData\\IMUcsggA\\VewAkggM.exe" VewAkggM.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VewAkggM.exe = "C:\\ProgramData\\IMUcsggA\\VewAkggM.exe" qiokgogk.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\jusEMkUY.exe = "C:\\Users\\Admin\\pegkcwoY\\jusEMkUY.exe" ed8c66bd_by_Libranalysis.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\jusEMkUY.exe = "C:\\Users\\Admin\\pegkcwoY\\jusEMkUY.exe" jusEMkUY.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VewAkggM.exe = "C:\\ProgramData\\IMUcsggA\\VewAkggM.exe" ed8c66bd_by_Libranalysis.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\pegkcwoY\jusEMkUY qiokgogk.exe File created C:\Windows\SysWOW64\shell32.dll.exe VewAkggM.exe File opened for modification C:\Windows\SysWOW64\sheTestSelect.xlsx VewAkggM.exe File opened for modification C:\Windows\SysWOW64\sheUpdateRequest.xlsm VewAkggM.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\pegkcwoY qiokgogk.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Modifies registry key 1 TTPs 3 IoCs
pid Process 3252 reg.exe 3988 reg.exe 580 reg.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1108 ed8c66bd_by_Libranalysis.exe 1108 ed8c66bd_by_Libranalysis.exe 1108 ed8c66bd_by_Libranalysis.exe 1108 ed8c66bd_by_Libranalysis.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4088 VewAkggM.exe - Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe 4088 VewAkggM.exe - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1108 wrote to memory of 3640 1108 ed8c66bd_by_Libranalysis.exe 72 PID 1108 wrote to memory of 3640 1108 ed8c66bd_by_Libranalysis.exe 72 PID 1108 wrote to memory of 3640 1108 ed8c66bd_by_Libranalysis.exe 72 PID 1108 wrote to memory of 4088 1108 ed8c66bd_by_Libranalysis.exe 74 PID 1108 wrote to memory of 4088 1108 ed8c66bd_by_Libranalysis.exe 74 PID 1108 wrote to memory of 4088 1108 ed8c66bd_by_Libranalysis.exe 74 PID 1108 wrote to memory of 3820 1108 ed8c66bd_by_Libranalysis.exe 77 PID 1108 wrote to memory of 3820 1108 ed8c66bd_by_Libranalysis.exe 77 PID 1108 wrote to memory of 3820 1108 ed8c66bd_by_Libranalysis.exe 77 PID 1108 wrote to memory of 580 1108 ed8c66bd_by_Libranalysis.exe 80 PID 1108 wrote to memory of 580 1108 ed8c66bd_by_Libranalysis.exe 80 PID 1108 wrote to memory of 580 1108 ed8c66bd_by_Libranalysis.exe 80 PID 1108 wrote to memory of 3252 1108 ed8c66bd_by_Libranalysis.exe 81 PID 1108 wrote to memory of 3252 1108 ed8c66bd_by_Libranalysis.exe 81 PID 1108 wrote to memory of 3252 1108 ed8c66bd_by_Libranalysis.exe 81 PID 3820 wrote to memory of 192 3820 cmd.exe 85 PID 3820 wrote to memory of 192 3820 cmd.exe 85 PID 1108 wrote to memory of 3988 1108 ed8c66bd_by_Libranalysis.exe 84 PID 1108 wrote to memory of 3988 1108 ed8c66bd_by_Libranalysis.exe 84 PID 1108 wrote to memory of 3988 1108 ed8c66bd_by_Libranalysis.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\ed8c66bd_by_Libranalysis.exe"C:\Users\Admin\AppData\Local\Temp\ed8c66bd_by_Libranalysis.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Users\Admin\pegkcwoY\jusEMkUY.exe"C:\Users\Admin\pegkcwoY\jusEMkUY.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:3640
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C:\ProgramData\IMUcsggA\VewAkggM.exe"C:\ProgramData\IMUcsggA\VewAkggM.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
PID:4088
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\cpack.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Users\Admin\AppData\Local\Temp\cpack.exeC:\Users\Admin\AppData\Local\Temp\cpack.exe3⤵
- Executes dropped EXE
PID:192
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C:\Windows\SysWOW64\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 12⤵
- Modifies registry key
PID:580
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C:\Windows\SysWOW64\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 22⤵
- Modifies registry key
PID:3252
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C:\Windows\SysWOW64\reg.exereg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f2⤵
- Modifies registry key
PID:3988
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C:\ProgramData\qmQUMgAM\qiokgogk.exeC:\ProgramData\qmQUMgAM\qiokgogk.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
PID:684