46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

Analysis

max time kernel
53s
max time network
75s
platform
windows7_x64
resource
win7
submitted
11-08-2020 12:30

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General

Target

foo/fbab903080d6a4e65a1a2f6bc4d97b7c.exe

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1140	fbab903080d6a4e65a1a2f6bc4d97b7c.exe
1140	fbab903080d6a4e65a1a2f6bc4d97b7c.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\GLBSINST.%$D	fbab903080d6a4e65a1a2f6bc4d97b7c.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe

Modifies data under HKEY_USERS 44 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\24\52C64B7E\@%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe,-124 = "Document Encryption"	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\24\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeBackupPrivilege	1552	vssvc.exe
Token: SeRestorePrivilege	1552	vssvc.exe
Token: SeAuditPrivilege	1552	vssvc.exe
Token: SeRestorePrivilege	1356	DrvInst.exe
Token: SeRestorePrivilege	1356	DrvInst.exe
Token: SeRestorePrivilege	1356	DrvInst.exe
Token: SeRestorePrivilege	1356	DrvInst.exe
Token: SeRestorePrivilege	1356	DrvInst.exe
Token: SeRestorePrivilege	1356	DrvInst.exe
Token: SeRestorePrivilege	1356	DrvInst.exe
Token: SeLoadDriverPrivilege	1356	DrvInst.exe
Token: SeLoadDriverPrivilege	1356	DrvInst.exe
Token: SeLoadDriverPrivilege	1356	DrvInst.exe

C:\Users\Admin\AppData\Local\Temp\foo\fbab903080d6a4e65a1a2f6bc4d97b7c.exe
"C:\Users\Admin\AppData\Local\Temp\foo\fbab903080d6a4e65a1a2f6bc4d97b7c.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
PID:1140

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1552

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot12" "" "" "6d110b0a3" "0000000000000000" "00000000000005A4" "000000000000059C"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1356

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Malware Config

Signatures

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Network

MITRE ATT&CK Matrix

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