e279d531454206ed7418285acdd1ffbd2e18b05787f9e8080b049e5f0b4b70ec

Analysis

max time kernel
34s
max time network
44s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 20:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

icucnv67.msi
Size

15KB
MD5

c89f7b63c258a2d8b68a4bdaf5bbb2d4
SHA1

b1181f70adef2cfc1b884aa4a895984843ca326c
SHA256

ee7e175ca56e43932878a617e3a1ac3c005e33ad6964277fea811417ca10d2f2
SHA512

39ca6c5ad801795bbaafe1c85719afdd7ced663ac2fb6530130797a40cd4ed7047d33292c5b41601408488cb5ed4926f9e0744d158a44b128bf517e0562d6e47
SSDEEP

192:+0NMi7v56dIYiYF8rVs9+qARHk/2WJfsHR9y2sE9jBFL2UzZ9O:+06iuIYiI9yHk/24i/8E9VFL2Ut9

Score

6^/10

persistence privilege_escalation

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

msiexec.exe

flow	pid	Process
3	2344	msiexec.exe

Enumerates connected drives 3 TTPs 23 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.exe

description	ioc	Process
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
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)	\??\R:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	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
2344	msiexec.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	Process
Token: SeShutdownPrivilege	2344	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2344	msiexec.exe
Token: SeRestorePrivilege	3016	msiexec.exe
Token: SeTakeOwnershipPrivilege	3016	msiexec.exe
Token: SeSecurityPrivilege	3016	msiexec.exe
Token: SeCreateTokenPrivilege	2344	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2344	msiexec.exe
Token: SeLockMemoryPrivilege	2344	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2344	msiexec.exe
Token: SeMachineAccountPrivilege	2344	msiexec.exe
Token: SeTcbPrivilege	2344	msiexec.exe
Token: SeSecurityPrivilege	2344	msiexec.exe
Token: SeTakeOwnershipPrivilege	2344	msiexec.exe
Token: SeLoadDriverPrivilege	2344	msiexec.exe
Token: SeSystemProfilePrivilege	2344	msiexec.exe
Token: SeSystemtimePrivilege	2344	msiexec.exe
Token: SeProfSingleProcessPrivilege	2344	msiexec.exe
Token: SeIncBasePriorityPrivilege	2344	msiexec.exe
Token: SeCreatePagefilePrivilege	2344	msiexec.exe
Token: SeCreatePermanentPrivilege	2344	msiexec.exe
Token: SeBackupPrivilege	2344	msiexec.exe
Token: SeRestorePrivilege	2344	msiexec.exe
Token: SeShutdownPrivilege	2344	msiexec.exe
Token: SeDebugPrivilege	2344	msiexec.exe
Token: SeAuditPrivilege	2344	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2344	msiexec.exe
Token: SeChangeNotifyPrivilege	2344	msiexec.exe
Token: SeRemoteShutdownPrivilege	2344	msiexec.exe
Token: SeUndockPrivilege	2344	msiexec.exe
Token: SeSyncAgentPrivilege	2344	msiexec.exe
Token: SeEnableDelegationPrivilege	2344	msiexec.exe
Token: SeManageVolumePrivilege	2344	msiexec.exe
Token: SeImpersonatePrivilege	2344	msiexec.exe
Token: SeCreateGlobalPrivilege	2344	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid	Process
2344	msiexec.exe
2344	msiexec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\icucnv67.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2344

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab8A67.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8C5D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit