d1d4e29f5fca0c97cd89a4b5134d298bf2829cea92e5d116084b83d980d2c6e0

General

Target

d1d4e29f5fca0c97cd89a4b5134d298.msi
Size

100KB
MD5

aebfb88d2333ee74373a4cf582682070
SHA1

3d8b0dd99846144287aeeb025a5c9fc254f66fc0
SHA256

d1d4e29f5fca0c97cd89a4b5134d298bf2829cea92e5d116084b83d980d2c6e0
SHA512

9feb73d9c4902f03b94df49b3087418473dd0826480b5fde8ba3654dd8bf22bb372c8881e5254e5e8a0f6cf78bfb2d80c9060208c66478362bc6f75f12fca8cb

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

Processes:

msiexec.exemsiexec.exe

flow pid process

3 1924 msiexec.exe
5 1924 msiexec.exe
7 624 msiexec.exe
Loads dropped DLL 1 IoCs

Processes:

MsiExec.exe

pid process

1324 MsiExec.exe

flow	pid	process
3	1924	msiexec.exe
5	1924	msiexec.exe
7	624	msiexec.exe

pid	process
1324	MsiExec.exe

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

Drops file in Windows directory 11 IoCs

Processes:

DrvInst.exemsiexec.exe

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 created	C:\Windows\Installer\f7888bf.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f7888bf.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI8E39.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f7888c0.ipi	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File created	C:\Windows\Installer\f7888c0.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI8D2F.tmp	msiexec.exe
File created	C:\Windows\Installer\f7888c2.msi	msiexec.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

DrvInst.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	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\Microsoft\SystemCertificates\Root\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\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	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\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\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	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\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

624 msiexec.exe
624 msiexec.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msiexec.exe

pid process

1924 msiexec.exe

pid	process
624	msiexec.exe
624	msiexec.exe

pid	process
1924	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exeDrvInst.exe

description	pid	process
Token: SeShutdownPrivilege	1924	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1924	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeTakeOwnershipPrivilege	624	msiexec.exe
Token: SeSecurityPrivilege	624	msiexec.exe
Token: SeCreateTokenPrivilege	1924	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1924	msiexec.exe
Token: SeLockMemoryPrivilege	1924	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1924	msiexec.exe
Token: SeMachineAccountPrivilege	1924	msiexec.exe
Token: SeTcbPrivilege	1924	msiexec.exe
Token: SeSecurityPrivilege	1924	msiexec.exe
Token: SeTakeOwnershipPrivilege	1924	msiexec.exe
Token: SeLoadDriverPrivilege	1924	msiexec.exe
Token: SeSystemProfilePrivilege	1924	msiexec.exe
Token: SeSystemtimePrivilege	1924	msiexec.exe
Token: SeProfSingleProcessPrivilege	1924	msiexec.exe
Token: SeIncBasePriorityPrivilege	1924	msiexec.exe
Token: SeCreatePagefilePrivilege	1924	msiexec.exe
Token: SeCreatePermanentPrivilege	1924	msiexec.exe
Token: SeBackupPrivilege	1924	msiexec.exe
Token: SeRestorePrivilege	1924	msiexec.exe
Token: SeShutdownPrivilege	1924	msiexec.exe
Token: SeDebugPrivilege	1924	msiexec.exe
Token: SeAuditPrivilege	1924	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1924	msiexec.exe
Token: SeChangeNotifyPrivilege	1924	msiexec.exe
Token: SeRemoteShutdownPrivilege	1924	msiexec.exe
Token: SeUndockPrivilege	1924	msiexec.exe
Token: SeSyncAgentPrivilege	1924	msiexec.exe
Token: SeEnableDelegationPrivilege	1924	msiexec.exe
Token: SeManageVolumePrivilege	1924	msiexec.exe
Token: SeImpersonatePrivilege	1924	msiexec.exe
Token: SeCreateGlobalPrivilege	1924	msiexec.exe
Token: SeBackupPrivilege	1800	vssvc.exe
Token: SeRestorePrivilege	1800	vssvc.exe
Token: SeAuditPrivilege	1800	vssvc.exe
Token: SeBackupPrivilege	624	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeRestorePrivilege	980	DrvInst.exe
Token: SeRestorePrivilege	980	DrvInst.exe
Token: SeRestorePrivilege	980	DrvInst.exe
Token: SeRestorePrivilege	980	DrvInst.exe
Token: SeRestorePrivilege	980	DrvInst.exe
Token: SeRestorePrivilege	980	DrvInst.exe
Token: SeRestorePrivilege	980	DrvInst.exe
Token: SeLoadDriverPrivilege	980	DrvInst.exe
Token: SeLoadDriverPrivilege	980	DrvInst.exe
Token: SeLoadDriverPrivilege	980	DrvInst.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeTakeOwnershipPrivilege	624	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeTakeOwnershipPrivilege	624	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeTakeOwnershipPrivilege	624	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeTakeOwnershipPrivilege	624	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeTakeOwnershipPrivilege	624	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeTakeOwnershipPrivilege	624	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe
Token: SeTakeOwnershipPrivilege	624	msiexec.exe
Token: SeRestorePrivilege	624	msiexec.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

msiexec.exe

pid process

1924 msiexec.exe
1924 msiexec.exe
1924 msiexec.exe

pid	process
1924	msiexec.exe
1924	msiexec.exe
1924	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 624 wrote to memory of 1324	624	msiexec.exe	MsiExec.exe
PID 624 wrote to memory of 1324	624	msiexec.exe	MsiExec.exe
PID 624 wrote to memory of 1324	624	msiexec.exe	MsiExec.exe
PID 624 wrote to memory of 1324	624	msiexec.exe	MsiExec.exe
PID 624 wrote to memory of 1324	624	msiexec.exe	MsiExec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\d1d4e29f5fca0c97cd89a4b5134d298.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1924

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\system32\MsiExec.exe
C:\Windows\system32\MsiExec.exe -Embedding 86D9C9812452565EF4BB7DCF21FE4ED4
2⤵
- Loads dropped DLL
PID:1324

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1800

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003DC" "000000000000059C"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:980

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F2E248BEDDBB2D85122423C41028BFD4
Filesize
1KB

MD5
78f2fcaa601f2fb4ebc937ba532e7549

SHA1
ddfb16cd4931c973a2037d3fc83a4d7d775d05e4

SHA256
552f7bdcf1a7af9e6ce672017f4f12abf77240c78e761ac203d1d9d20ac89988

SHA512
bcad73a7a5afb7120549dd54ba1f15c551ae24c7181f008392065d1ed006e6fa4fa5a60538d52461b15a12f5292049e929cffde15cc400dec9cdfca0b36a68dd

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
90a2634b0478d2503163439c2a7d5821

SHA1
b6f23afeeda4782099c96ac7ae2eb1f02f315eec

SHA256
f73ec90ab9106d2792c68790d47760f6dc70cfaf46acc73ea9a3ea64ec0f64dd

SHA512
33142e1a6494a80edf0107f5b90096c416f068cd6ec7a245b5be0ae08a7041c24033b549fb6d0ec12ef9ef8f75135c6c89dee94997e35e3759c86bf5daca171d

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F2E248BEDDBB2D85122423C41028BFD4
Filesize
254B

MD5
6df3555b5c853c0359a62a8348bcec71

SHA1
71b637ecd03faa3c32f97e24ece0b0233beffa0b

SHA256
97808538ef01c29dd1dcbfe89fb97036f42d66945b2748e572501ce1c8e3c0ed

SHA512
290a4c109751be6fb37c1c0fa217e6fbd06d362d3fb80df731ea75d2ee9f8129f8e605d4213662f44816a85f34a02efd47800d448ea5ec3e02acee3ebb1eb1f3

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C:\Windows\Installer\MSI8D2F.tmp
Filesize
58KB

MD5
07944a97980bedc3b5864181bc59fc94

SHA1
a2bd9be4dd395eb7d2558f4de1fff1bbbb0ecd25

SHA256
10f0b697db8d2f044954625f99eeafef1fb8c9acff0678171c2f9536f1d7a3ab

SHA512
aeb62b32e82726df6cac9e79912d1cf9a2d83280b603e1a6a53ce39c66c66192d1d18256c29cd0041b6e1188796f6faab290a3fd708b85d5c2d6e45ec952a73a

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\Windows\Installer\MSI8D2F.tmp
Filesize
58KB

MD5
07944a97980bedc3b5864181bc59fc94

SHA1
a2bd9be4dd395eb7d2558f4de1fff1bbbb0ecd25

SHA256
10f0b697db8d2f044954625f99eeafef1fb8c9acff0678171c2f9536f1d7a3ab

SHA512
aeb62b32e82726df6cac9e79912d1cf9a2d83280b603e1a6a53ce39c66c66192d1d18256c29cd0041b6e1188796f6faab290a3fd708b85d5c2d6e45ec952a73a

Download Submit
memory/1924-54-0x000007FEFC2D1000-0x000007FEFC2D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads