8b9147aeca757bc36f30e98c7481ec302d2be6de1b893a6f2ad80864f1106fb3

Resubmissions

03-08-2024 19:46

240803-yg8nestbqr 10

03-08-2024 19:44

240803-ygbcxsxhld 6

03-08-2024 19:41

240803-yd6pnaxgpa 6

Analysis

max time kernel
438s
max time network
441s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 19:46

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General

Target

win-airplay/Bonjour.msi
Size

2.2MB
MD5

e14a6762e68472c648ea0eea0ebe01a0
SHA1

a854475b22a934ff977edc23e110ebba79a010fd
SHA256

34b0af1165f531847b509d3d47f22bb87f3eed93344521986105350bccc2cbed
SHA512

cfbf3dc4b6ee58dacd1e50cfdd73a202ef2b6d0526fe657a19c0b0a05a9e879b1a275368290c7da1a1f93971c4beead53765491dc0971886521b005247a22093
SSDEEP

49152:Oa3PPXjym3MYPiau9KXeixE2g58HcvGtXZXECrcxiO/pP/k/vY80as686oX/:VXemcYPiarP

Score

6^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

Processes:

msiexec.exe

flow pid process

5 1176 msiexec.exe
8 1176 msiexec.exe
11 1176 msiexec.exe

flow	pid	process
5	1176	msiexec.exe
8	1176	msiexec.exe
11	1176	msiexec.exe

Enumerates connected drives 3 TTPs 46 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)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	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)	\??\P:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\I:	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)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	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)	\??\W:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe

Loads dropped DLL 1 IoCs

Processes:

MsiExec.exe

pid process

2336 MsiExec.exe
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
persistence privilege_escalation

Installer Packages
T1546.016

Msiexec
T1218.007

Processes:

msiexec.exe

pid process

1176 msiexec.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

MsiExec.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe

pid	process
2336	MsiExec.exe

pid	process
1176	msiexec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	1176	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1176	msiexec.exe
Token: SeSecurityPrivilege	1184	msiexec.exe
Token: SeCreateTokenPrivilege	1176	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1176	msiexec.exe
Token: SeLockMemoryPrivilege	1176	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1176	msiexec.exe
Token: SeMachineAccountPrivilege	1176	msiexec.exe
Token: SeTcbPrivilege	1176	msiexec.exe
Token: SeSecurityPrivilege	1176	msiexec.exe
Token: SeTakeOwnershipPrivilege	1176	msiexec.exe
Token: SeLoadDriverPrivilege	1176	msiexec.exe
Token: SeSystemProfilePrivilege	1176	msiexec.exe
Token: SeSystemtimePrivilege	1176	msiexec.exe
Token: SeProfSingleProcessPrivilege	1176	msiexec.exe
Token: SeIncBasePriorityPrivilege	1176	msiexec.exe
Token: SeCreatePagefilePrivilege	1176	msiexec.exe
Token: SeCreatePermanentPrivilege	1176	msiexec.exe
Token: SeBackupPrivilege	1176	msiexec.exe
Token: SeRestorePrivilege	1176	msiexec.exe
Token: SeShutdownPrivilege	1176	msiexec.exe
Token: SeDebugPrivilege	1176	msiexec.exe
Token: SeAuditPrivilege	1176	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1176	msiexec.exe
Token: SeChangeNotifyPrivilege	1176	msiexec.exe
Token: SeRemoteShutdownPrivilege	1176	msiexec.exe
Token: SeUndockPrivilege	1176	msiexec.exe
Token: SeSyncAgentPrivilege	1176	msiexec.exe
Token: SeEnableDelegationPrivilege	1176	msiexec.exe
Token: SeManageVolumePrivilege	1176	msiexec.exe
Token: SeImpersonatePrivilege	1176	msiexec.exe
Token: SeCreateGlobalPrivilege	1176	msiexec.exe
Token: SeCreateTokenPrivilege	1176	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1176	msiexec.exe
Token: SeLockMemoryPrivilege	1176	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1176	msiexec.exe
Token: SeMachineAccountPrivilege	1176	msiexec.exe
Token: SeTcbPrivilege	1176	msiexec.exe
Token: SeSecurityPrivilege	1176	msiexec.exe
Token: SeTakeOwnershipPrivilege	1176	msiexec.exe
Token: SeLoadDriverPrivilege	1176	msiexec.exe
Token: SeSystemProfilePrivilege	1176	msiexec.exe
Token: SeSystemtimePrivilege	1176	msiexec.exe
Token: SeProfSingleProcessPrivilege	1176	msiexec.exe
Token: SeIncBasePriorityPrivilege	1176	msiexec.exe
Token: SeCreatePagefilePrivilege	1176	msiexec.exe
Token: SeCreatePermanentPrivilege	1176	msiexec.exe
Token: SeBackupPrivilege	1176	msiexec.exe
Token: SeRestorePrivilege	1176	msiexec.exe
Token: SeShutdownPrivilege	1176	msiexec.exe
Token: SeDebugPrivilege	1176	msiexec.exe
Token: SeAuditPrivilege	1176	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1176	msiexec.exe
Token: SeChangeNotifyPrivilege	1176	msiexec.exe
Token: SeRemoteShutdownPrivilege	1176	msiexec.exe
Token: SeUndockPrivilege	1176	msiexec.exe
Token: SeSyncAgentPrivilege	1176	msiexec.exe
Token: SeEnableDelegationPrivilege	1176	msiexec.exe
Token: SeManageVolumePrivilege	1176	msiexec.exe
Token: SeImpersonatePrivilege	1176	msiexec.exe
Token: SeCreateGlobalPrivilege	1176	msiexec.exe
Token: SeCreateTokenPrivilege	1176	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1176	msiexec.exe
Token: SeLockMemoryPrivilege	1176	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

msiexec.exe

pid process

1176 msiexec.exe

pid	process
1176	msiexec.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 1184 wrote to memory of 2336	1184	msiexec.exe	MsiExec.exe
PID 1184 wrote to memory of 2336	1184	msiexec.exe	MsiExec.exe
PID 1184 wrote to memory of 2336	1184	msiexec.exe	MsiExec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\win-airplay\Bonjour.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1176

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding 2BB639B34FB022804F84A6539E7186E9 C
2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2336

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Installer Packages

T1546.016

Privilege Escalation

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

System Binary Proxy Execution

T1218

Msiexec

T1218.007

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MSI8AAC.tmp
Filesize
71KB

MD5
9441d63e08ee7f859bc26a19b1630bf0

SHA1
7b5967ede45b1e4bacb783794ead545c59a23ebf

SHA256
44bafa74642b0d67e0dc831f674546ad5c637fd02c6d9a96345cc1a02a9be3b1

SHA512
40dcc4d22b66d1422fbf7df94224f365f9ab9b52fd7d6147ca4e62dff3d6a542d91776707b90331ce108aeb7f95e9188d528348c7b220e5e43f90606f4f7d356

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