Analysis
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max time kernel
152s -
max time network
136s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
06/03/2022, 00:23
Static task
static1
Behavioral task
behavioral1
Sample
6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
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Target
6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe
-
Size
2.6MB
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MD5
811527176b1b2357e96f357e141c7f29
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SHA1
8d00d383b6c4825edcf46a620d7b7a3e5f53e09d
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SHA256
6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9
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SHA512
597aaab2e64ad2917aa308d8c65811024de20eee1c3c19f624c77a62174d08fd26daf95c6e50b3e74c338fecceab466b2d84517b759f2f24cd26e4d3331bea92
Score
8/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1460 TrustedInstaller.exe -
Loads dropped DLL 2 IoCs
pid Process 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\TrustedInstaller.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\TrustedInstaller.exe\" -start" 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\W: TrustedInstaller.exe File opened (read-only) \??\S: TrustedInstaller.exe File opened (read-only) \??\R: TrustedInstaller.exe File opened (read-only) \??\N: TrustedInstaller.exe File opened (read-only) \??\B: TrustedInstaller.exe File opened (read-only) \??\X: TrustedInstaller.exe File opened (read-only) \??\P: TrustedInstaller.exe File opened (read-only) \??\O: TrustedInstaller.exe File opened (read-only) \??\M: TrustedInstaller.exe File opened (read-only) \??\K: TrustedInstaller.exe File opened (read-only) \??\A: TrustedInstaller.exe File opened (read-only) \??\Y: TrustedInstaller.exe File opened (read-only) \??\U: TrustedInstaller.exe File opened (read-only) \??\T: TrustedInstaller.exe File opened (read-only) \??\Q: TrustedInstaller.exe File opened (read-only) \??\J: TrustedInstaller.exe File opened (read-only) \??\G: TrustedInstaller.exe File opened (read-only) \??\F: TrustedInstaller.exe File opened (read-only) \??\E: TrustedInstaller.exe File opened (read-only) \??\V: TrustedInstaller.exe File opened (read-only) \??\L: TrustedInstaller.exe File opened (read-only) \??\I: TrustedInstaller.exe File opened (read-only) \??\H: TrustedInstaller.exe File opened (read-only) \??\Z: TrustedInstaller.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 geoiptool.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1540 536 WerFault.exe 30 -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 TrustedInstaller.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 TrustedInstaller.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe Token: SeDebugPrivilege 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1616 wrote to memory of 1460 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 29 PID 1616 wrote to memory of 1460 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 29 PID 1616 wrote to memory of 1460 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 29 PID 1616 wrote to memory of 1460 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 29 PID 1616 wrote to memory of 536 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 30 PID 1616 wrote to memory of 536 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 30 PID 1616 wrote to memory of 536 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 30 PID 1616 wrote to memory of 536 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 30 PID 1616 wrote to memory of 536 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 30 PID 1616 wrote to memory of 536 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 30 PID 1616 wrote to memory of 536 1616 6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe 30 PID 536 wrote to memory of 1540 536 notepad.exe 31 PID 536 wrote to memory of 1540 536 notepad.exe 31 PID 536 wrote to memory of 1540 536 notepad.exe 31 PID 536 wrote to memory of 1540 536 notepad.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe"C:\Users\Admin\AppData\Local\Temp\6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TrustedInstaller.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TrustedInstaller.exe" -start2⤵
- Executes dropped EXE
- Enumerates connected drives
- Modifies system certificate store
PID:1460 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete3⤵PID:916
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C:\Windows\SysWOW64\notepad.exenotepad.exe2⤵
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 1963⤵
- Program crash
PID:1540
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