Analysis
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max time kernel
120s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
12-10-2023 21:48
Static task
static1
Behavioral task
behavioral1
Sample
a9ee4f3dcb9ae9ef57d9677a899d5f1c011dcb17275e95baf87a869f4f3dadebmsi_JC.msi
Resource
win7-20230831-en
windows7-x64
Behavioral task
behavioral2
Sample
a9ee4f3dcb9ae9ef57d9677a899d5f1c011dcb17275e95baf87a869f4f3dadebmsi_JC.msi
Resource
win10v2004-20230915-en
windows10-2004-x64
General
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Target
a9ee4f3dcb9ae9ef57d9677a899d5f1c011dcb17275e95baf87a869f4f3dadebmsi_JC.msi
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Size
2.2MB
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MD5
7996ed8cc6479124c941ab5d136e4841
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SHA1
092bd61e92aa0745af69e777f341ea7184c3d743
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SHA256
a9ee4f3dcb9ae9ef57d9677a899d5f1c011dcb17275e95baf87a869f4f3dadeb
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SHA512
bf7270402f3cf4111a0a64d6bf29145ab9bc9c32ea4e5272d49beaf4d178a1bec540fa28935d36bbb0fc783fe42746f450e6c4e7a19ecc5317c4fbc097a0fb6d
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SSDEEP
49152:NpUPhaTtpSD6TmY7GBXGBr4wBlBLr1GAtrlc+jjK0I7SfBx1jDbKg5A+:NpgktID6dFBrJBLrY+rmR1s3L
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 4 2816 msiexec.exe 8 2816 msiexec.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\Q: msiexec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2816 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 39 IoCs
description pid Process Token: SeShutdownPrivilege 2816 msiexec.exe Token: SeIncreaseQuotaPrivilege 2816 msiexec.exe Token: SeRestorePrivilege 2900 msiexec.exe Token: SeTakeOwnershipPrivilege 2900 msiexec.exe Token: SeSecurityPrivilege 2900 msiexec.exe Token: SeCreateTokenPrivilege 2816 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2816 msiexec.exe Token: SeLockMemoryPrivilege 2816 msiexec.exe Token: SeIncreaseQuotaPrivilege 2816 msiexec.exe Token: SeMachineAccountPrivilege 2816 msiexec.exe Token: SeTcbPrivilege 2816 msiexec.exe Token: SeSecurityPrivilege 2816 msiexec.exe Token: SeTakeOwnershipPrivilege 2816 msiexec.exe Token: SeLoadDriverPrivilege 2816 msiexec.exe Token: SeSystemProfilePrivilege 2816 msiexec.exe Token: SeSystemtimePrivilege 2816 msiexec.exe Token: SeProfSingleProcessPrivilege 2816 msiexec.exe Token: SeIncBasePriorityPrivilege 2816 msiexec.exe Token: SeCreatePagefilePrivilege 2816 msiexec.exe Token: SeCreatePermanentPrivilege 2816 msiexec.exe Token: SeBackupPrivilege 2816 msiexec.exe Token: SeRestorePrivilege 2816 msiexec.exe Token: SeShutdownPrivilege 2816 msiexec.exe Token: SeDebugPrivilege 2816 msiexec.exe Token: SeAuditPrivilege 2816 msiexec.exe Token: SeSystemEnvironmentPrivilege 2816 msiexec.exe Token: SeChangeNotifyPrivilege 2816 msiexec.exe Token: SeRemoteShutdownPrivilege 2816 msiexec.exe Token: SeUndockPrivilege 2816 msiexec.exe Token: SeSyncAgentPrivilege 2816 msiexec.exe Token: SeEnableDelegationPrivilege 2816 msiexec.exe Token: SeManageVolumePrivilege 2816 msiexec.exe Token: SeImpersonatePrivilege 2816 msiexec.exe Token: SeCreateGlobalPrivilege 2816 msiexec.exe Token: SeBackupPrivilege 2012 vssvc.exe Token: SeRestorePrivilege 2012 vssvc.exe Token: SeAuditPrivilege 2012 vssvc.exe Token: SeBackupPrivilege 2900 msiexec.exe Token: SeRestorePrivilege 2900 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2816 msiexec.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\a9ee4f3dcb9ae9ef57d9677a899d5f1c011dcb17275e95baf87a869f4f3dadebmsi_JC.msi1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2816
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2900
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2012
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf