1c3efcfd867dd83ade44cc660fb1ee04ff91bd78319f2d1dedca4f92c6725e72

General

Target

Zoom_setup.msi
Size

32.7MB
MD5

f3178261bc52648d2913284719dba022
SHA1

85cf38073f5f0240d27d263aaf197deeab260aee
SHA256

1c3efcfd867dd83ade44cc660fb1ee04ff91bd78319f2d1dedca4f92c6725e72
SHA512

409ab2ffdc1fae9207279156153656c38c6d310de31f56f3258746a86b15c20427f12dc54d55112dadb80b59a8395b7e01ee02ec9722b5e917b0f08a68ba7464
SSDEEP

786432:Y2rJJ2FJD2I8LsuRNCc367YpDkXPWPzcik0/5Urn7OiBh:YsJJU2lB38yESkE5UDaiH

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

560 MsiExec.exe
560 MsiExec.exe

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

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	1696	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1696	msiexec.exe
Token: SeRestorePrivilege	1552	msiexec.exe
Token: SeTakeOwnershipPrivilege	1552	msiexec.exe
Token: SeSecurityPrivilege	1552	msiexec.exe
Token: SeCreateTokenPrivilege	1696	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1696	msiexec.exe
Token: SeLockMemoryPrivilege	1696	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1696	msiexec.exe
Token: SeMachineAccountPrivilege	1696	msiexec.exe
Token: SeTcbPrivilege	1696	msiexec.exe
Token: SeSecurityPrivilege	1696	msiexec.exe
Token: SeTakeOwnershipPrivilege	1696	msiexec.exe
Token: SeLoadDriverPrivilege	1696	msiexec.exe
Token: SeSystemProfilePrivilege	1696	msiexec.exe
Token: SeSystemtimePrivilege	1696	msiexec.exe
Token: SeProfSingleProcessPrivilege	1696	msiexec.exe
Token: SeIncBasePriorityPrivilege	1696	msiexec.exe
Token: SeCreatePagefilePrivilege	1696	msiexec.exe
Token: SeCreatePermanentPrivilege	1696	msiexec.exe
Token: SeBackupPrivilege	1696	msiexec.exe
Token: SeRestorePrivilege	1696	msiexec.exe
Token: SeShutdownPrivilege	1696	msiexec.exe
Token: SeDebugPrivilege	1696	msiexec.exe
Token: SeAuditPrivilege	1696	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1696	msiexec.exe
Token: SeChangeNotifyPrivilege	1696	msiexec.exe
Token: SeRemoteShutdownPrivilege	1696	msiexec.exe
Token: SeUndockPrivilege	1696	msiexec.exe
Token: SeSyncAgentPrivilege	1696	msiexec.exe
Token: SeEnableDelegationPrivilege	1696	msiexec.exe
Token: SeManageVolumePrivilege	1696	msiexec.exe
Token: SeImpersonatePrivilege	1696	msiexec.exe
Token: SeCreateGlobalPrivilege	1696	msiexec.exe
Token: SeCreateTokenPrivilege	1696	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1696	msiexec.exe
Token: SeLockMemoryPrivilege	1696	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1696	msiexec.exe
Token: SeMachineAccountPrivilege	1696	msiexec.exe
Token: SeTcbPrivilege	1696	msiexec.exe
Token: SeSecurityPrivilege	1696	msiexec.exe
Token: SeTakeOwnershipPrivilege	1696	msiexec.exe
Token: SeLoadDriverPrivilege	1696	msiexec.exe
Token: SeSystemProfilePrivilege	1696	msiexec.exe
Token: SeSystemtimePrivilege	1696	msiexec.exe
Token: SeProfSingleProcessPrivilege	1696	msiexec.exe
Token: SeIncBasePriorityPrivilege	1696	msiexec.exe
Token: SeCreatePagefilePrivilege	1696	msiexec.exe
Token: SeCreatePermanentPrivilege	1696	msiexec.exe
Token: SeBackupPrivilege	1696	msiexec.exe
Token: SeRestorePrivilege	1696	msiexec.exe
Token: SeShutdownPrivilege	1696	msiexec.exe
Token: SeDebugPrivilege	1696	msiexec.exe
Token: SeAuditPrivilege	1696	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1696	msiexec.exe
Token: SeChangeNotifyPrivilege	1696	msiexec.exe
Token: SeRemoteShutdownPrivilege	1696	msiexec.exe
Token: SeUndockPrivilege	1696	msiexec.exe
Token: SeSyncAgentPrivilege	1696	msiexec.exe
Token: SeEnableDelegationPrivilege	1696	msiexec.exe
Token: SeManageVolumePrivilege	1696	msiexec.exe
Token: SeImpersonatePrivilege	1696	msiexec.exe
Token: SeCreateGlobalPrivilege	1696	msiexec.exe
Token: SeCreateTokenPrivilege	1696	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

msiexec.exe

pid process

1696 msiexec.exe

pid	process
1696	msiexec.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 1552 wrote to memory of 560	1552	msiexec.exe	MsiExec.exe
PID 1552 wrote to memory of 560	1552	msiexec.exe	MsiExec.exe
PID 1552 wrote to memory of 560	1552	msiexec.exe	MsiExec.exe
PID 1552 wrote to memory of 560	1552	msiexec.exe	MsiExec.exe
PID 1552 wrote to memory of 560	1552	msiexec.exe	MsiExec.exe
PID 1552 wrote to memory of 560	1552	msiexec.exe	MsiExec.exe
PID 1552 wrote to memory of 560	1552	msiexec.exe	MsiExec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Zoom_setup.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1696

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding 8EC0968CDB337DA8F5FCA0E97617421B C
2⤵
- Loads dropped DLL
PID:560

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MSIE63.tmp
Filesize
285KB

MD5
b77a2a2768b9cc78a71bbffb9812b978

SHA1
b70e27eb446fe1c3bc8ea03dabbee2739a782e04

SHA256
f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

SHA512
a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSIF9C.tmp
Filesize
285KB

MD5
b77a2a2768b9cc78a71bbffb9812b978

SHA1
b70e27eb446fe1c3bc8ea03dabbee2739a782e04

SHA256
f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

SHA512
a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

Download Submit
\Users\Admin\AppData\Local\Temp\MSIE63.tmp
Filesize
285KB

MD5
b77a2a2768b9cc78a71bbffb9812b978

SHA1
b70e27eb446fe1c3bc8ea03dabbee2739a782e04

SHA256
f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

SHA512
a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

Download Submit
\Users\Admin\AppData\Local\Temp\MSIF9C.tmp
Filesize
285KB

MD5
b77a2a2768b9cc78a71bbffb9812b978

SHA1
b70e27eb446fe1c3bc8ea03dabbee2739a782e04

SHA256
f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

SHA512
a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

Download Submit
memory/560-56-0x0000000000000000-mapping.dmp

Download
memory/560-57-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/1696-54-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads