Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/02/2024, 13:10
Static task
static1
Behavioral task
behavioral1
Sample
install.msi
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
install.msi
Resource
win10v2004-20240221-en
windows10-2004-x64
18 signatures
150 seconds
General
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Target
install.msi
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Size
3.3MB
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MD5
4e5903c4ff6d79dbad178815b377554d
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SHA1
74f50126aebbd186d6defa3641113cdc88a37fa2
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SHA256
d67bc5bfd6512b944e1c5e3e7d6871771c84d9eb94c863d123c5e92c6a86dc46
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SHA512
9a513449963c860e9be50c05a79beeea554fc6bc9748b260340711d8cb705cb022f53f10cfdc35ce1ad8d97644df57a9aae959b6dbb96c15b85d8ecaf62031a8
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SSDEEP
98304:5pKIwis1N1AaewONvZOIUFz+PlROVt1OTLmUsg:6IHmnqvZlUFz8RtyPg
Score
7/10
Malware Config
Signatures
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Modifies file permissions 1 TTPs 2 IoCs
pid Process 544 ICACLS.EXE 2016 ICACLS.EXE -
Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: 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) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Y: 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) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification C:\Windows\Installer\f769147.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI935A.tmp msiexec.exe File opened for modification C:\Windows\Logs\DPX\setupact.log EXPAND.EXE File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File created C:\Windows\Installer\f769147.msi msiexec.exe File opened for modification C:\Windows\Installer\f769148.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f769148.ipi msiexec.exe File opened for modification C:\Windows\Logs\DPX\setuperr.log EXPAND.EXE -
Loads dropped DLL 1 IoCs
pid Process 2680 MsiExec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2236 msiexec.exe 2236 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 53 IoCs
description pid Process Token: SeShutdownPrivilege 1932 msiexec.exe Token: SeIncreaseQuotaPrivilege 1932 msiexec.exe Token: SeRestorePrivilege 2236 msiexec.exe Token: SeTakeOwnershipPrivilege 2236 msiexec.exe Token: SeSecurityPrivilege 2236 msiexec.exe Token: SeCreateTokenPrivilege 1932 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1932 msiexec.exe Token: SeLockMemoryPrivilege 1932 msiexec.exe Token: SeIncreaseQuotaPrivilege 1932 msiexec.exe Token: SeMachineAccountPrivilege 1932 msiexec.exe Token: SeTcbPrivilege 1932 msiexec.exe Token: SeSecurityPrivilege 1932 msiexec.exe Token: SeTakeOwnershipPrivilege 1932 msiexec.exe Token: SeLoadDriverPrivilege 1932 msiexec.exe Token: SeSystemProfilePrivilege 1932 msiexec.exe Token: SeSystemtimePrivilege 1932 msiexec.exe Token: SeProfSingleProcessPrivilege 1932 msiexec.exe Token: SeIncBasePriorityPrivilege 1932 msiexec.exe Token: SeCreatePagefilePrivilege 1932 msiexec.exe Token: SeCreatePermanentPrivilege 1932 msiexec.exe Token: SeBackupPrivilege 1932 msiexec.exe Token: SeRestorePrivilege 1932 msiexec.exe Token: SeShutdownPrivilege 1932 msiexec.exe Token: SeDebugPrivilege 1932 msiexec.exe Token: SeAuditPrivilege 1932 msiexec.exe Token: SeSystemEnvironmentPrivilege 1932 msiexec.exe Token: SeChangeNotifyPrivilege 1932 msiexec.exe Token: SeRemoteShutdownPrivilege 1932 msiexec.exe Token: SeUndockPrivilege 1932 msiexec.exe Token: SeSyncAgentPrivilege 1932 msiexec.exe Token: SeEnableDelegationPrivilege 1932 msiexec.exe Token: SeManageVolumePrivilege 1932 msiexec.exe Token: SeImpersonatePrivilege 1932 msiexec.exe Token: SeCreateGlobalPrivilege 1932 msiexec.exe Token: SeBackupPrivilege 3008 vssvc.exe Token: SeRestorePrivilege 3008 vssvc.exe Token: SeAuditPrivilege 3008 vssvc.exe Token: SeBackupPrivilege 2236 msiexec.exe Token: SeRestorePrivilege 2236 msiexec.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2664 DrvInst.exe Token: SeLoadDriverPrivilege 2664 DrvInst.exe Token: SeLoadDriverPrivilege 2664 DrvInst.exe Token: SeLoadDriverPrivilege 2664 DrvInst.exe Token: SeRestorePrivilege 2236 msiexec.exe Token: SeTakeOwnershipPrivilege 2236 msiexec.exe Token: SeRestorePrivilege 2236 msiexec.exe Token: SeTakeOwnershipPrivilege 2236 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1932 msiexec.exe 1932 msiexec.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2236 wrote to memory of 2680 2236 msiexec.exe 32 PID 2236 wrote to memory of 2680 2236 msiexec.exe 32 PID 2236 wrote to memory of 2680 2236 msiexec.exe 32 PID 2236 wrote to memory of 2680 2236 msiexec.exe 32 PID 2236 wrote to memory of 2680 2236 msiexec.exe 32 PID 2236 wrote to memory of 2680 2236 msiexec.exe 32 PID 2236 wrote to memory of 2680 2236 msiexec.exe 32 PID 2680 wrote to memory of 544 2680 MsiExec.exe 33 PID 2680 wrote to memory of 544 2680 MsiExec.exe 33 PID 2680 wrote to memory of 544 2680 MsiExec.exe 33 PID 2680 wrote to memory of 544 2680 MsiExec.exe 33 PID 2680 wrote to memory of 1620 2680 MsiExec.exe 35 PID 2680 wrote to memory of 1620 2680 MsiExec.exe 35 PID 2680 wrote to memory of 1620 2680 MsiExec.exe 35 PID 2680 wrote to memory of 1620 2680 MsiExec.exe 35 PID 2680 wrote to memory of 1500 2680 MsiExec.exe 37 PID 2680 wrote to memory of 1500 2680 MsiExec.exe 37 PID 2680 wrote to memory of 1500 2680 MsiExec.exe 37 PID 2680 wrote to memory of 1500 2680 MsiExec.exe 37 PID 2680 wrote to memory of 2052 2680 MsiExec.exe 39 PID 2680 wrote to memory of 2052 2680 MsiExec.exe 39 PID 2680 wrote to memory of 2052 2680 MsiExec.exe 39 PID 2680 wrote to memory of 2052 2680 MsiExec.exe 39 PID 2680 wrote to memory of 2016 2680 MsiExec.exe 41 PID 2680 wrote to memory of 2016 2680 MsiExec.exe 41 PID 2680 wrote to memory of 2016 2680 MsiExec.exe 41 PID 2680 wrote to memory of 2016 2680 MsiExec.exe 41 -
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\install.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1932
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 858E0338AAFE05464D175C8CC9A70E6F2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-4f2d56f1-848c-440a-8271-eeea7030c96e\." /SETINTEGRITYLEVEL (CI)(OI)HIGH3⤵
- Modifies file permissions
PID:544
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C:\Windows\SysWOW64\EXPAND.EXE"C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files3⤵
- Drops file in Windows directory
PID:1620
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start msedge https://www.concurtraining.com/customers/tech_pubs/Docs/_Current/UG_Inv/Inv_UG_Invoice_Pay.pdf3⤵PID:1500
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c rd /s /q "C:\Users\Admin\AppData\Local\Temp\MW-4f2d56f1-848c-440a-8271-eeea7030c96e\files"3⤵PID:2052
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C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-4f2d56f1-848c-440a-8271-eeea7030c96e\." /SETINTEGRITYLEVEL (CI)(OI)LOW3⤵
- Modifies file permissions
PID:2016
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3008
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005C8" "0000000000000324"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2664
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.1MB
MD5c5251b4a0300ac59b9c51b39b48960ef
SHA11a9f4710e07aff28c8961b8bb4d5a525ea385e42
SHA2564d5fd376d65beb611b661283d72a19f92e69812c716546e3b3809062671238f2
SHA512a00ddbbd2e4d29b6e54ad422d3a69c4cf3b68cec704c677b5713afe8080774a7b35367464fe5bde19efdd07795f1f7ce2ef13f236241b048638f56fa158b2e76
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Filesize
15.8MB
MD58c36b966de1449be01e24f44522a1206
SHA1cf8f5e3357a0d47ee25e0c7803106c335026c696
SHA256516305285d8c3a307fb9438799acf9ceceee72016bb6573b3e4e17981894b41c
SHA512690f2fdfe48f95e11a92788291e2a8ab73ed3382fef210a2055e8e254b0ecf0f53e5411fa8322bb1b197d49ac41926c1629692f9fc96aa1ea0c892db04b62d91
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Filesize
1KB
MD5402ccb56e74983d8b0afc506cba4e861
SHA10bab4458e4c38ada03bcdc010042d66ff340fc9e
SHA2565112e14bd0a18650a8301d525ed00dc10317e82627c39ded5a69b8b7a9802deb
SHA5125170c313d32e44b46710ace2f99d33637bcd375f95ef93ea61e40c43a7364c0906cf9851fc94308e08883878c848186253b948a15aa82f918dbb7a12183d805d
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Filesize
1KB
MD580bb9849ca925ecc7d2a82e594acffd9
SHA1968ff0368f8c166348a2971839a21777bec32f50
SHA25692feae9884563fe383865d5d1e5f4a193951a949c598ef6df4388ac6a18506d1
SHA512e7ba6a797f0120f8aa0b310631e6a2f82784f3cb93215e27d64bfc377319a93be7e6092eba703ec26e4e633be53b29e018b4893611ee80eb51569a6ba26a3b38
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Filesize
208KB
MD54caaa03e0b59ca60a3d34674b732b702
SHA1ee80c8f4684055ac8960b9720fb108be07e1d10c
SHA256d01af2b8c692dffb04a5a04e3ccd0d0a3b2c67c8fc45a4b68c0a065b4e64cc3d
SHA51225888848871286bdd1f9c43a0fba35640edb5bafbe0c6aa2f9708a070ea4e5b16745b7c4f744ae4f5643f75ef47f196d430bf70921ed27715f712825ec590a34