cbc31e48f08c7d1877246e6759edee70cecdfc76416a7b7f7ca0feede3355b93

General

Target

build-052.msi
Size

720KB
MD5

5241275990f43d896fee78d1d72757e3
SHA1

8d825da07a5ccb9e518c518ea4d61c9b8374e63b
SHA256

cbc31e48f08c7d1877246e6759edee70cecdfc76416a7b7f7ca0feede3355b93
SHA512

1b417940bbdb56f63533ac380fb288870e095fa8f491bed472e171c7eab3d4090edeb72f90b2b21330eaad8ebb8a25dded4db470d5d3b13087ad707b97ae6f4e
SSDEEP

12288:ywHL0D7hkCPumy9chfA+t58B0igC+/NHBnn1SCSR:jHL0R/zyt+X8BtZKBn1SD

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 48 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exemsiexec.exe

description	ioc	process
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe

Drops file in Windows directory 6 IoCs

Processes:

DrvInst.exemsiexec.exe

description	ioc	process
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File created	C:\Windows\Installer\6c895c.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\6c895c.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI89F8.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

DrvInst.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	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\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	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\trust	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\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	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\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\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	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	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\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe

Suspicious use of AdjustPrivilegeToken 53 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exeDrvInst.exe

description	pid	process
Token: SeShutdownPrivilege	1324	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1324	msiexec.exe
Token: SeRestorePrivilege	268	msiexec.exe
Token: SeTakeOwnershipPrivilege	268	msiexec.exe
Token: SeSecurityPrivilege	268	msiexec.exe
Token: SeCreateTokenPrivilege	1324	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1324	msiexec.exe
Token: SeLockMemoryPrivilege	1324	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1324	msiexec.exe
Token: SeMachineAccountPrivilege	1324	msiexec.exe
Token: SeTcbPrivilege	1324	msiexec.exe
Token: SeSecurityPrivilege	1324	msiexec.exe
Token: SeTakeOwnershipPrivilege	1324	msiexec.exe
Token: SeLoadDriverPrivilege	1324	msiexec.exe
Token: SeSystemProfilePrivilege	1324	msiexec.exe
Token: SeSystemtimePrivilege	1324	msiexec.exe
Token: SeProfSingleProcessPrivilege	1324	msiexec.exe
Token: SeIncBasePriorityPrivilege	1324	msiexec.exe
Token: SeCreatePagefilePrivilege	1324	msiexec.exe
Token: SeCreatePermanentPrivilege	1324	msiexec.exe
Token: SeBackupPrivilege	1324	msiexec.exe
Token: SeRestorePrivilege	1324	msiexec.exe
Token: SeShutdownPrivilege	1324	msiexec.exe
Token: SeDebugPrivilege	1324	msiexec.exe
Token: SeAuditPrivilege	1324	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1324	msiexec.exe
Token: SeChangeNotifyPrivilege	1324	msiexec.exe
Token: SeRemoteShutdownPrivilege	1324	msiexec.exe
Token: SeUndockPrivilege	1324	msiexec.exe
Token: SeSyncAgentPrivilege	1324	msiexec.exe
Token: SeEnableDelegationPrivilege	1324	msiexec.exe
Token: SeManageVolumePrivilege	1324	msiexec.exe
Token: SeImpersonatePrivilege	1324	msiexec.exe
Token: SeCreateGlobalPrivilege	1324	msiexec.exe
Token: SeBackupPrivilege	2040	vssvc.exe
Token: SeRestorePrivilege	2040	vssvc.exe
Token: SeAuditPrivilege	2040	vssvc.exe
Token: SeBackupPrivilege	268	msiexec.exe
Token: SeRestorePrivilege	268	msiexec.exe
Token: SeRestorePrivilege	700	DrvInst.exe
Token: SeRestorePrivilege	700	DrvInst.exe
Token: SeRestorePrivilege	700	DrvInst.exe
Token: SeRestorePrivilege	700	DrvInst.exe
Token: SeRestorePrivilege	700	DrvInst.exe
Token: SeRestorePrivilege	700	DrvInst.exe
Token: SeRestorePrivilege	700	DrvInst.exe
Token: SeLoadDriverPrivilege	700	DrvInst.exe
Token: SeLoadDriverPrivilege	700	DrvInst.exe
Token: SeLoadDriverPrivilege	700	DrvInst.exe
Token: SeRestorePrivilege	268	msiexec.exe
Token: SeTakeOwnershipPrivilege	268	msiexec.exe
Token: SeRestorePrivilege	268	msiexec.exe
Token: SeTakeOwnershipPrivilege	268	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

msiexec.exe

pid process

1324 msiexec.exe

pid	process
1324	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 268 wrote to memory of 1992	268	msiexec.exe	MsiExec.exe
PID 268 wrote to memory of 1992	268	msiexec.exe	MsiExec.exe
PID 268 wrote to memory of 1992	268	msiexec.exe	MsiExec.exe
PID 268 wrote to memory of 1992	268	msiexec.exe	MsiExec.exe
PID 268 wrote to memory of 1992	268	msiexec.exe	MsiExec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\build-052.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1324

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\system32\MsiExec.exe
C:\Windows\system32\MsiExec.exe -Embedding 47B64329A0529FF85EE9BB321C8582DB
2⤵
PID:1992

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2040

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000060" "000000000000005C"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:700

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1324-54-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

Filesize
8KB

Download
memory/1992-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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