Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-02-2024 13:13
Static task
static1
Behavioral task
behavioral1
Sample
install.msi
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
install.msi
Resource
win10v2004-20240221-en
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
Malware Config
Signatures
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Modifies file permissions 1 TTPs 2 IoCs
pid Process 1412 ICACLS.EXE 1296 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) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI93B7.tmp msiexec.exe File opened for modification C:\Windows\Installer\f769177.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\Installer\f769176.msi msiexec.exe File created C:\Windows\Installer\f769176.msi msiexec.exe File created C:\Windows\Installer\f769177.ipi msiexec.exe File opened for modification C:\Windows\Logs\DPX\setupact.log EXPAND.EXE File opened for modification C:\Windows\Logs\DPX\setuperr.log EXPAND.EXE File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe -
Loads dropped DLL 1 IoCs
pid Process 268 MsiExec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe 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\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\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2336 msiexec.exe 2336 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 53 IoCs
description pid Process Token: SeShutdownPrivilege 1964 msiexec.exe Token: SeIncreaseQuotaPrivilege 1964 msiexec.exe Token: SeRestorePrivilege 2336 msiexec.exe Token: SeTakeOwnershipPrivilege 2336 msiexec.exe Token: SeSecurityPrivilege 2336 msiexec.exe Token: SeCreateTokenPrivilege 1964 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1964 msiexec.exe Token: SeLockMemoryPrivilege 1964 msiexec.exe Token: SeIncreaseQuotaPrivilege 1964 msiexec.exe Token: SeMachineAccountPrivilege 1964 msiexec.exe Token: SeTcbPrivilege 1964 msiexec.exe Token: SeSecurityPrivilege 1964 msiexec.exe Token: SeTakeOwnershipPrivilege 1964 msiexec.exe Token: SeLoadDriverPrivilege 1964 msiexec.exe Token: SeSystemProfilePrivilege 1964 msiexec.exe Token: SeSystemtimePrivilege 1964 msiexec.exe Token: SeProfSingleProcessPrivilege 1964 msiexec.exe Token: SeIncBasePriorityPrivilege 1964 msiexec.exe Token: SeCreatePagefilePrivilege 1964 msiexec.exe Token: SeCreatePermanentPrivilege 1964 msiexec.exe Token: SeBackupPrivilege 1964 msiexec.exe Token: SeRestorePrivilege 1964 msiexec.exe Token: SeShutdownPrivilege 1964 msiexec.exe Token: SeDebugPrivilege 1964 msiexec.exe Token: SeAuditPrivilege 1964 msiexec.exe Token: SeSystemEnvironmentPrivilege 1964 msiexec.exe Token: SeChangeNotifyPrivilege 1964 msiexec.exe Token: SeRemoteShutdownPrivilege 1964 msiexec.exe Token: SeUndockPrivilege 1964 msiexec.exe Token: SeSyncAgentPrivilege 1964 msiexec.exe Token: SeEnableDelegationPrivilege 1964 msiexec.exe Token: SeManageVolumePrivilege 1964 msiexec.exe Token: SeImpersonatePrivilege 1964 msiexec.exe Token: SeCreateGlobalPrivilege 1964 msiexec.exe Token: SeBackupPrivilege 3036 vssvc.exe Token: SeRestorePrivilege 3036 vssvc.exe Token: SeAuditPrivilege 3036 vssvc.exe Token: SeBackupPrivilege 2336 msiexec.exe Token: SeRestorePrivilege 2336 msiexec.exe Token: SeRestorePrivilege 2472 DrvInst.exe Token: SeRestorePrivilege 2472 DrvInst.exe Token: SeRestorePrivilege 2472 DrvInst.exe Token: SeRestorePrivilege 2472 DrvInst.exe Token: SeRestorePrivilege 2472 DrvInst.exe Token: SeRestorePrivilege 2472 DrvInst.exe Token: SeRestorePrivilege 2472 DrvInst.exe Token: SeLoadDriverPrivilege 2472 DrvInst.exe Token: SeLoadDriverPrivilege 2472 DrvInst.exe Token: SeLoadDriverPrivilege 2472 DrvInst.exe Token: SeRestorePrivilege 2336 msiexec.exe Token: SeTakeOwnershipPrivilege 2336 msiexec.exe Token: SeRestorePrivilege 2336 msiexec.exe Token: SeTakeOwnershipPrivilege 2336 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1964 msiexec.exe 1964 msiexec.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2336 wrote to memory of 268 2336 msiexec.exe 32 PID 2336 wrote to memory of 268 2336 msiexec.exe 32 PID 2336 wrote to memory of 268 2336 msiexec.exe 32 PID 2336 wrote to memory of 268 2336 msiexec.exe 32 PID 2336 wrote to memory of 268 2336 msiexec.exe 32 PID 2336 wrote to memory of 268 2336 msiexec.exe 32 PID 2336 wrote to memory of 268 2336 msiexec.exe 32 PID 268 wrote to memory of 1412 268 MsiExec.exe 33 PID 268 wrote to memory of 1412 268 MsiExec.exe 33 PID 268 wrote to memory of 1412 268 MsiExec.exe 33 PID 268 wrote to memory of 1412 268 MsiExec.exe 33 PID 268 wrote to memory of 1228 268 MsiExec.exe 35 PID 268 wrote to memory of 1228 268 MsiExec.exe 35 PID 268 wrote to memory of 1228 268 MsiExec.exe 35 PID 268 wrote to memory of 1228 268 MsiExec.exe 35 PID 268 wrote to memory of 1576 268 MsiExec.exe 37 PID 268 wrote to memory of 1576 268 MsiExec.exe 37 PID 268 wrote to memory of 1576 268 MsiExec.exe 37 PID 268 wrote to memory of 1576 268 MsiExec.exe 37 PID 268 wrote to memory of 2788 268 MsiExec.exe 39 PID 268 wrote to memory of 2788 268 MsiExec.exe 39 PID 268 wrote to memory of 2788 268 MsiExec.exe 39 PID 268 wrote to memory of 2788 268 MsiExec.exe 39 PID 268 wrote to memory of 1296 268 MsiExec.exe 41 PID 268 wrote to memory of 1296 268 MsiExec.exe 41 PID 268 wrote to memory of 1296 268 MsiExec.exe 41 PID 268 wrote to memory of 1296 268 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:1964
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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:2336 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 71A8B1278CDFB685B7003129B6DCC7512⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-5579e1e5-d388-4fa0-b330-baead160e9ee\." /SETINTEGRITYLEVEL (CI)(OI)HIGH3⤵
- Modifies file permissions
PID:1412
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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:1228
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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:1576
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c rd /s /q "C:\Users\Admin\AppData\Local\Temp\MW-5579e1e5-d388-4fa0-b330-baead160e9ee\files"3⤵PID:2788
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C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-5579e1e5-d388-4fa0-b330-baead160e9ee\." /SETINTEGRITYLEVEL (CI)(OI)LOW3⤵
- Modifies file permissions
PID:1296
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3036
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003C0" "00000000000003C8"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2472
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
16.3MB
MD528fe14a92c5f8a9a8b0b12281285627e
SHA132c3d22421322a59f985aa98e983c93a3ff844c0
SHA256f3149e1220f621d46adcb403f65a60cbf191adf13b6caebbe5da522bd430dfd3
SHA5129f0ac05f369b4675e9c0f6df80706d4d9c0ad1c9dea3330faa617596cb518b2b40b06d6d7e7ea071daedaa5e05c70d7ebc171e2b40cad3eeb2457fb0118a5470
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Filesize
1KB
MD5401a998d657a84436598dd7835e5b73c
SHA157304888ce0557f4fdec9c970236c3d0f6178fbf
SHA25634546bd81b229d3500d3073c8853033f500ff5a52726573d968e646a474e75dd
SHA512f0bf43cc688bff3007c1f4d576508294caf57daf3065c96a4b57125dcae1af754b8693352fe564727fa42ee0b0ea7c59e283b71e187e95efcebe9cb3249be412
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Filesize
208KB
MD54caaa03e0b59ca60a3d34674b732b702
SHA1ee80c8f4684055ac8960b9720fb108be07e1d10c
SHA256d01af2b8c692dffb04a5a04e3ccd0d0a3b2c67c8fc45a4b68c0a065b4e64cc3d
SHA51225888848871286bdd1f9c43a0fba35640edb5bafbe0c6aa2f9708a070ea4e5b16745b7c4f744ae4f5643f75ef47f196d430bf70921ed27715f712825ec590a34