4c7314083933a283c87dc28abbed3082040f12e92edac47ff72f8539af6e3ea1

General

Target

66.msi
Size

96KB
MD5

5d4e40d1d41c4588fbf7065fa85454e7
SHA1

ca876c335ef0a4d90b456f13cc975c04016a5cc1
SHA256

4c7314083933a283c87dc28abbed3082040f12e92edac47ff72f8539af6e3ea1
SHA512

5f86b37bbdd97ec632e0098d5c2ff71c0a23f547a27493d88d5a0cfa0342e45c39fc79ddbb42e4103a08e7e8a71b88412ca45cbb3b1aed615fdbe4c50d647f3c

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

MsiExec.exe

pid process

1272 MsiExec.exe

pid	process
1272	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)	\??\V:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\S:	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)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Z:	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\Installer\6d0e44.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI1132.tmp	msiexec.exe
File created	C:\Windows\Installer\6d0e47.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\6d0e45.ipi	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File created	C:\Windows\Installer\6d0e44.msi	msiexec.exe
File created	C:\Windows\Installer\6d0e45.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI1057.tmp	msiexec.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

DrvInst.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

1164 msiexec.exe
1164 msiexec.exe

pid	process
1164	msiexec.exe
1164	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exeDrvInst.exe

description	pid	process
Token: SeShutdownPrivilege	1660	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1660	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeTakeOwnershipPrivilege	1164	msiexec.exe
Token: SeSecurityPrivilege	1164	msiexec.exe
Token: SeCreateTokenPrivilege	1660	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1660	msiexec.exe
Token: SeLockMemoryPrivilege	1660	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1660	msiexec.exe
Token: SeMachineAccountPrivilege	1660	msiexec.exe
Token: SeTcbPrivilege	1660	msiexec.exe
Token: SeSecurityPrivilege	1660	msiexec.exe
Token: SeTakeOwnershipPrivilege	1660	msiexec.exe
Token: SeLoadDriverPrivilege	1660	msiexec.exe
Token: SeSystemProfilePrivilege	1660	msiexec.exe
Token: SeSystemtimePrivilege	1660	msiexec.exe
Token: SeProfSingleProcessPrivilege	1660	msiexec.exe
Token: SeIncBasePriorityPrivilege	1660	msiexec.exe
Token: SeCreatePagefilePrivilege	1660	msiexec.exe
Token: SeCreatePermanentPrivilege	1660	msiexec.exe
Token: SeBackupPrivilege	1660	msiexec.exe
Token: SeRestorePrivilege	1660	msiexec.exe
Token: SeShutdownPrivilege	1660	msiexec.exe
Token: SeDebugPrivilege	1660	msiexec.exe
Token: SeAuditPrivilege	1660	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1660	msiexec.exe
Token: SeChangeNotifyPrivilege	1660	msiexec.exe
Token: SeRemoteShutdownPrivilege	1660	msiexec.exe
Token: SeUndockPrivilege	1660	msiexec.exe
Token: SeSyncAgentPrivilege	1660	msiexec.exe
Token: SeEnableDelegationPrivilege	1660	msiexec.exe
Token: SeManageVolumePrivilege	1660	msiexec.exe
Token: SeImpersonatePrivilege	1660	msiexec.exe
Token: SeCreateGlobalPrivilege	1660	msiexec.exe
Token: SeBackupPrivilege	2028	vssvc.exe
Token: SeRestorePrivilege	2028	vssvc.exe
Token: SeAuditPrivilege	2028	vssvc.exe
Token: SeBackupPrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1528	DrvInst.exe
Token: SeRestorePrivilege	1528	DrvInst.exe
Token: SeRestorePrivilege	1528	DrvInst.exe
Token: SeRestorePrivilege	1528	DrvInst.exe
Token: SeRestorePrivilege	1528	DrvInst.exe
Token: SeRestorePrivilege	1528	DrvInst.exe
Token: SeRestorePrivilege	1528	DrvInst.exe
Token: SeLoadDriverPrivilege	1528	DrvInst.exe
Token: SeLoadDriverPrivilege	1528	DrvInst.exe
Token: SeLoadDriverPrivilege	1528	DrvInst.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeTakeOwnershipPrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeTakeOwnershipPrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeTakeOwnershipPrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeTakeOwnershipPrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeTakeOwnershipPrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeTakeOwnershipPrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe
Token: SeTakeOwnershipPrivilege	1164	msiexec.exe
Token: SeRestorePrivilege	1164	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

1660 msiexec.exe
1660 msiexec.exe

pid	process
1660	msiexec.exe
1660	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 1164 wrote to memory of 1272	1164	msiexec.exe	MsiExec.exe
PID 1164 wrote to memory of 1272	1164	msiexec.exe	MsiExec.exe
PID 1164 wrote to memory of 1272	1164	msiexec.exe	MsiExec.exe
PID 1164 wrote to memory of 1272	1164	msiexec.exe	MsiExec.exe
PID 1164 wrote to memory of 1272	1164	msiexec.exe	MsiExec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\66.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1660

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\system32\MsiExec.exe
C:\Windows\system32\MsiExec.exe -Embedding 24E94E2E335E4D8CDD38C1CEB2746BDB
2⤵
- Loads dropped DLL
PID:1272

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2028

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000055C" "0000000000000550"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1528

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:\Windows\Installer\MSI1057.tmp
Filesize
54KB

MD5
eadaaa6edab657ed52d0b76325494469

SHA1
0c3b0c61e91857f715e737276c7fcd066117095d

SHA256
ec0ac9068fa7c0e422f0f090efb31e335ef87439bb5034e98a6d9f1a6e292acb

SHA512
df8d3602f086b2a84b203f489a678f0e0c0ad2ae2114b24619e61d4c780969dc267719d9a29d4ba8ae15acdc32afeb7982437570b51e465a362ce6a53b4bd621

Download Submit
\??\PIPE\samr
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Windows\Installer\MSI1057.tmp
Filesize
54KB

MD5
eadaaa6edab657ed52d0b76325494469

SHA1
0c3b0c61e91857f715e737276c7fcd066117095d

SHA256
ec0ac9068fa7c0e422f0f090efb31e335ef87439bb5034e98a6d9f1a6e292acb

SHA512
df8d3602f086b2a84b203f489a678f0e0c0ad2ae2114b24619e61d4c780969dc267719d9a29d4ba8ae15acdc32afeb7982437570b51e465a362ce6a53b4bd621

Download Submit
memory/1272-57-0x0000000000000000-mapping.dmp

Download
memory/1660-54-0x000007FEFBB11000-0x000007FEFBB13000-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