0e6f2d58c9c816acc484d8f68e7b9c5e5a650ea92116bd07298e39ee00e5b57e

Analysis

max time kernel
100s
max time network
171s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 14:42

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General

Target

icudt67.msi
Size

15KB
MD5

d73b8ebe06c05cddad49297f668b481e
SHA1

44b139944043d4c4c5a33e1782cd8256f3fa70aa
SHA256

6bb13375779535aa693f51038540381efba654676b1471a10b61c5ad616fb81e
SHA512

8dfe75a0219fa67803da33adea82f6e08fd568c938adad3174f9248f060306e4725852282538691a22fff29a9cd50af66c9d884c94f15c9ed392b9f3048844d6
SSDEEP

192:NFNMi7v56OIYiYF8rVs9+qARrk3WJfsHR9y2sE9jBFL2UzZQp:NF6idIYiI9yrk34i/8E9VFL2UtQ

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

msiexec.exe

flow pid process

3 1424 msiexec.exe

flow	pid	process
3	1424	msiexec.exe

Enumerates connected drives 3 TTPs 24 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)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	1424	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1424	msiexec.exe
Token: SeRestorePrivilege	332	msiexec.exe
Token: SeTakeOwnershipPrivilege	332	msiexec.exe
Token: SeSecurityPrivilege	332	msiexec.exe
Token: SeCreateTokenPrivilege	1424	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1424	msiexec.exe
Token: SeLockMemoryPrivilege	1424	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1424	msiexec.exe
Token: SeMachineAccountPrivilege	1424	msiexec.exe
Token: SeTcbPrivilege	1424	msiexec.exe
Token: SeSecurityPrivilege	1424	msiexec.exe
Token: SeTakeOwnershipPrivilege	1424	msiexec.exe
Token: SeLoadDriverPrivilege	1424	msiexec.exe
Token: SeSystemProfilePrivilege	1424	msiexec.exe
Token: SeSystemtimePrivilege	1424	msiexec.exe
Token: SeProfSingleProcessPrivilege	1424	msiexec.exe
Token: SeIncBasePriorityPrivilege	1424	msiexec.exe
Token: SeCreatePagefilePrivilege	1424	msiexec.exe
Token: SeCreatePermanentPrivilege	1424	msiexec.exe
Token: SeBackupPrivilege	1424	msiexec.exe
Token: SeRestorePrivilege	1424	msiexec.exe
Token: SeShutdownPrivilege	1424	msiexec.exe
Token: SeDebugPrivilege	1424	msiexec.exe
Token: SeAuditPrivilege	1424	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1424	msiexec.exe
Token: SeChangeNotifyPrivilege	1424	msiexec.exe
Token: SeRemoteShutdownPrivilege	1424	msiexec.exe
Token: SeUndockPrivilege	1424	msiexec.exe
Token: SeSyncAgentPrivilege	1424	msiexec.exe
Token: SeEnableDelegationPrivilege	1424	msiexec.exe
Token: SeManageVolumePrivilege	1424	msiexec.exe
Token: SeImpersonatePrivilege	1424	msiexec.exe
Token: SeCreateGlobalPrivilege	1424	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

1424 msiexec.exe
1424 msiexec.exe

pid	process
1424	msiexec.exe
1424	msiexec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\icudt67.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1424

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:332

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1424-54-0x000007FEFB741000-0x000007FEFB743000-memory.dmp

Filesize
8KB

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