a1c7157e3d321dc5966c65601335e053edb2c4a1e6cf4f1f678b974a4f2dbf26

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 07:41

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General

Target

154080c5844ed76332320fcf3f1773391d80200f18f9025fd05b55b86f8ff795.msi
Size

309KB
MD5

495a4543965b4a92c6314294b338602f
SHA1

a520425e51ae8211ddc85566111d204282e493df
SHA256

154080c5844ed76332320fcf3f1773391d80200f18f9025fd05b55b86f8ff795
SHA512

ddba1d22bb8cf1f4a0bc5dbc8c19087b908370d464b1a64683d69f5553a8da99650fe0ea0d88f5cfab14a37a0bfa5fdf0a9435d05a368efb40cb16c2ac4c9efb
SSDEEP

3072:BSLkCN9BN23DnYjATwgz88ereWn/7w05g0l6dvcv:BSQn3DnYjAS8er1nzT6dvcv

Score

6^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

MsiExec.exe

flow pid process

3 2092 MsiExec.exe
4 2092 MsiExec.exe

flow	pid	process
3	2092	MsiExec.exe
4	2092	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)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	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)	\??\J:	msiexec.exe

Drops file in Windows directory 8 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\f769ffa.ipi	msiexec.exe
File created	C:\Windows\Installer\f769ff7.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f769ff7.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIA026.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIA0A4.tmp	msiexec.exe
File created	C:\Windows\Installer\f769ffa.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIA23A.tmp	msiexec.exe

Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

2092 MsiExec.exe
2092 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

3044 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
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

2524 msiexec.exe
2524 msiexec.exe

pid	process
2092	MsiExec.exe
2092	MsiExec.exe

pid	process
3044	msiexec.exe

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

pid	process
2524	msiexec.exe
2524	msiexec.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	3044	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3044	msiexec.exe
Token: SeRestorePrivilege	2524	msiexec.exe
Token: SeTakeOwnershipPrivilege	2524	msiexec.exe
Token: SeSecurityPrivilege	2524	msiexec.exe
Token: SeCreateTokenPrivilege	3044	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3044	msiexec.exe
Token: SeLockMemoryPrivilege	3044	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3044	msiexec.exe
Token: SeMachineAccountPrivilege	3044	msiexec.exe
Token: SeTcbPrivilege	3044	msiexec.exe
Token: SeSecurityPrivilege	3044	msiexec.exe
Token: SeTakeOwnershipPrivilege	3044	msiexec.exe
Token: SeLoadDriverPrivilege	3044	msiexec.exe
Token: SeSystemProfilePrivilege	3044	msiexec.exe
Token: SeSystemtimePrivilege	3044	msiexec.exe
Token: SeProfSingleProcessPrivilege	3044	msiexec.exe
Token: SeIncBasePriorityPrivilege	3044	msiexec.exe
Token: SeCreatePagefilePrivilege	3044	msiexec.exe
Token: SeCreatePermanentPrivilege	3044	msiexec.exe
Token: SeBackupPrivilege	3044	msiexec.exe
Token: SeRestorePrivilege	3044	msiexec.exe
Token: SeShutdownPrivilege	3044	msiexec.exe
Token: SeDebugPrivilege	3044	msiexec.exe
Token: SeAuditPrivilege	3044	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3044	msiexec.exe
Token: SeChangeNotifyPrivilege	3044	msiexec.exe
Token: SeRemoteShutdownPrivilege	3044	msiexec.exe
Token: SeUndockPrivilege	3044	msiexec.exe
Token: SeSyncAgentPrivilege	3044	msiexec.exe
Token: SeEnableDelegationPrivilege	3044	msiexec.exe
Token: SeManageVolumePrivilege	3044	msiexec.exe
Token: SeImpersonatePrivilege	3044	msiexec.exe
Token: SeCreateGlobalPrivilege	3044	msiexec.exe
Token: SeRestorePrivilege	2524	msiexec.exe
Token: SeTakeOwnershipPrivilege	2524	msiexec.exe
Token: SeRestorePrivilege	2524	msiexec.exe
Token: SeTakeOwnershipPrivilege	2524	msiexec.exe
Token: SeRestorePrivilege	2524	msiexec.exe
Token: SeTakeOwnershipPrivilege	2524	msiexec.exe
Token: SeRestorePrivilege	2524	msiexec.exe
Token: SeTakeOwnershipPrivilege	2524	msiexec.exe
Token: SeRestorePrivilege	2524	msiexec.exe
Token: SeTakeOwnershipPrivilege	2524	msiexec.exe
Token: SeRestorePrivilege	2524	msiexec.exe
Token: SeTakeOwnershipPrivilege	2524	msiexec.exe
Token: SeRestorePrivilege	2524	msiexec.exe
Token: SeTakeOwnershipPrivilege	2524	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

3044 msiexec.exe
3044 msiexec.exe

pid	process
3044	msiexec.exe
3044	msiexec.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 2524 wrote to memory of 2092	2524	msiexec.exe	MsiExec.exe
PID 2524 wrote to memory of 2092	2524	msiexec.exe	MsiExec.exe
PID 2524 wrote to memory of 2092	2524	msiexec.exe	MsiExec.exe
PID 2524 wrote to memory of 2092	2524	msiexec.exe	MsiExec.exe
PID 2524 wrote to memory of 2092	2524	msiexec.exe	MsiExec.exe
PID 2524 wrote to memory of 2092	2524	msiexec.exe	MsiExec.exe
PID 2524 wrote to memory of 2092	2524	msiexec.exe	MsiExec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\154080c5844ed76332320fcf3f1773391d80200f18f9025fd05b55b86f8ff795.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3044

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:2524
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 1C1B5317316EF386DC124D43EA26DBA7
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2092

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\f769ffb.rbs

Filesize
934B

MD5
b4ddfa1a86dd15eb19d310bfa7555d65

SHA1
ff3126f4be47acf690f6eff5156bef0c1abbb9d3

SHA256
1d002209187789e378b1327aca1d5a68a10335c3f637c130c374fd75c297fdf2

SHA512
1ed507087a487f3e4d2f0c54b2713cff1a9c925019a4a8e1f3f9522e7cf34ea6b847892581b9842bebfcbcde13581e9e404041719aa03eeb07acc3033e8d0ed0

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C:\Windows\Installer\MSIA026.tmp

Filesize
91KB

MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit