Analysis
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max time kernel
61s -
max time network
66s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29/05/2024, 13:14
Static task
static1
Behavioral task
behavioral1
Sample
drvupdate-amd64.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
drvupdate-amd64.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
drvupdate-amd64.exe
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Size
12.5MB
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MD5
d412865db372ff51f4237c496025639b
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SHA1
9cd5409d3ecf569b61beac788215ff3711c0f6fc
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SHA256
af48efac2b7d97cc0b70559a0a2be8cfeae961306ed16f0c91706a3bef6d61fc
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SHA512
661532765f49d56ff41119217b29719837f9773c396ba6d9efa95d21dcfabd3d7c89c2e688b7da9b9a984d760bc505d980be3ba2ad14b1359423a891c34508b1
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SSDEEP
393216:aqFZIAAa93h999999lvnMv+HmtFgWWgaxraJT4a:aPAN93h999999lMvmKgWKuTV
Score
7/10
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1888 driver_setup.exe 1412 Process not Found -
Loads dropped DLL 2 IoCs
pid Process 2240 drvupdate-amd64.exe 2660 MsiExec.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" drvupdate-amd64.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) \??\H: driver_setup.exe File opened (read-only) \??\K: driver_setup.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\M: driver_setup.exe File opened (read-only) \??\S: driver_setup.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: driver_setup.exe File opened (read-only) \??\N: driver_setup.exe File opened (read-only) \??\Y: driver_setup.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\B: driver_setup.exe File opened (read-only) \??\U: driver_setup.exe File opened (read-only) \??\X: driver_setup.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: driver_setup.exe File opened (read-only) \??\L: driver_setup.exe File opened (read-only) \??\R: driver_setup.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\E: driver_setup.exe File opened (read-only) \??\I: driver_setup.exe File opened (read-only) \??\Q: driver_setup.exe File opened (read-only) \??\T: driver_setup.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\V: driver_setup.exe File opened (read-only) \??\W: driver_setup.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\G: driver_setup.exe File opened (read-only) \??\O: driver_setup.exe File opened (read-only) \??\P: driver_setup.exe File opened (read-only) \??\Z: driver_setup.exe File opened (read-only) \??\K: msiexec.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f76f21c.msi msiexec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs 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\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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 Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\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\Microsoft\SystemCertificates\CA\CTLs 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\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs 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\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2828 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeRestorePrivilege 2828 msiexec.exe Token: SeTakeOwnershipPrivilege 2828 msiexec.exe Token: SeSecurityPrivilege 2828 msiexec.exe Token: SeCreateTokenPrivilege 1888 driver_setup.exe Token: SeAssignPrimaryTokenPrivilege 1888 driver_setup.exe Token: SeLockMemoryPrivilege 1888 driver_setup.exe Token: SeIncreaseQuotaPrivilege 1888 driver_setup.exe Token: SeMachineAccountPrivilege 1888 driver_setup.exe Token: SeTcbPrivilege 1888 driver_setup.exe Token: SeSecurityPrivilege 1888 driver_setup.exe Token: SeTakeOwnershipPrivilege 1888 driver_setup.exe Token: SeLoadDriverPrivilege 1888 driver_setup.exe Token: SeSystemProfilePrivilege 1888 driver_setup.exe Token: SeSystemtimePrivilege 1888 driver_setup.exe Token: SeProfSingleProcessPrivilege 1888 driver_setup.exe Token: SeIncBasePriorityPrivilege 1888 driver_setup.exe Token: SeCreatePagefilePrivilege 1888 driver_setup.exe Token: SeCreatePermanentPrivilege 1888 driver_setup.exe Token: SeBackupPrivilege 1888 driver_setup.exe Token: SeRestorePrivilege 1888 driver_setup.exe Token: SeShutdownPrivilege 1888 driver_setup.exe Token: SeDebugPrivilege 1888 driver_setup.exe Token: SeAuditPrivilege 1888 driver_setup.exe Token: SeSystemEnvironmentPrivilege 1888 driver_setup.exe Token: SeChangeNotifyPrivilege 1888 driver_setup.exe Token: SeRemoteShutdownPrivilege 1888 driver_setup.exe Token: SeUndockPrivilege 1888 driver_setup.exe Token: SeSyncAgentPrivilege 1888 driver_setup.exe Token: SeEnableDelegationPrivilege 1888 driver_setup.exe Token: SeManageVolumePrivilege 1888 driver_setup.exe Token: SeImpersonatePrivilege 1888 driver_setup.exe Token: SeCreateGlobalPrivilege 1888 driver_setup.exe Token: SeShutdownPrivilege 1888 driver_setup.exe Token: SeIncreaseQuotaPrivilege 1888 driver_setup.exe Token: SeCreateTokenPrivilege 1888 driver_setup.exe Token: SeAssignPrimaryTokenPrivilege 1888 driver_setup.exe Token: SeLockMemoryPrivilege 1888 driver_setup.exe Token: SeIncreaseQuotaPrivilege 1888 driver_setup.exe Token: SeMachineAccountPrivilege 1888 driver_setup.exe Token: SeTcbPrivilege 1888 driver_setup.exe Token: SeSecurityPrivilege 1888 driver_setup.exe Token: SeTakeOwnershipPrivilege 1888 driver_setup.exe Token: SeLoadDriverPrivilege 1888 driver_setup.exe Token: SeSystemProfilePrivilege 1888 driver_setup.exe Token: SeSystemtimePrivilege 1888 driver_setup.exe Token: SeProfSingleProcessPrivilege 1888 driver_setup.exe Token: SeIncBasePriorityPrivilege 1888 driver_setup.exe Token: SeCreatePagefilePrivilege 1888 driver_setup.exe Token: SeCreatePermanentPrivilege 1888 driver_setup.exe Token: SeBackupPrivilege 1888 driver_setup.exe Token: SeRestorePrivilege 1888 driver_setup.exe Token: SeShutdownPrivilege 1888 driver_setup.exe Token: SeDebugPrivilege 1888 driver_setup.exe Token: SeAuditPrivilege 1888 driver_setup.exe Token: SeSystemEnvironmentPrivilege 1888 driver_setup.exe Token: SeChangeNotifyPrivilege 1888 driver_setup.exe Token: SeRemoteShutdownPrivilege 1888 driver_setup.exe Token: SeUndockPrivilege 1888 driver_setup.exe Token: SeSyncAgentPrivilege 1888 driver_setup.exe Token: SeEnableDelegationPrivilege 1888 driver_setup.exe Token: SeManageVolumePrivilege 1888 driver_setup.exe Token: SeImpersonatePrivilege 1888 driver_setup.exe Token: SeCreateGlobalPrivilege 1888 driver_setup.exe Token: SeCreateTokenPrivilege 1888 driver_setup.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1888 driver_setup.exe 1888 driver_setup.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2240 wrote to memory of 1888 2240 drvupdate-amd64.exe 28 PID 2240 wrote to memory of 1888 2240 drvupdate-amd64.exe 28 PID 2240 wrote to memory of 1888 2240 drvupdate-amd64.exe 28 PID 2828 wrote to memory of 2660 2828 msiexec.exe 30 PID 2828 wrote to memory of 2660 2828 msiexec.exe 30 PID 2828 wrote to memory of 2660 2828 msiexec.exe 30 PID 2828 wrote to memory of 2660 2828 msiexec.exe 30 PID 2828 wrote to memory of 2660 2828 msiexec.exe 30 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\drvupdate-amd64.exe"C:\Users\Admin\AppData\Local\Temp\drvupdate-amd64.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\driver_setup.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\driver_setup.exe /i drvupdate-amd64.msi2⤵
- Executes dropped EXE
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1888
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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:2828 -
C:\Windows\system32\MsiExec.exeC:\Windows\system32\MsiExec.exe -Embedding 312449CF1CFCB2A82E59D0057653B622 C2⤵
- Loads dropped DLL
PID:2660
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2656
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004AC" "00000000000003B8"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2848
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:1620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
13.4MB
MD5f56b5dece86a36b21080ed1ad1f4ce61
SHA1d767e43144125c32e8c1eb52010d0ceb8a839331
SHA256adad5d14465e698d99b4468a1bb407544edc021b39a492c9c46f404289d1f03f
SHA51276a06a4d9a564370501a41729f74fd4cad10a9db1990a41c0718b31dda2b2eb52abbe78a79fc0dade84b4d124e67a67132f89e5642b5fc6f3dbb0db9f6cd1a6e
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Filesize
31KB
MD5ce13966ea37e92259fff5e8527df24fc
SHA18f0e7f47ab6ffdf024392e20116a8ce638c80ef1
SHA25670eab588fc2b8243114f392506a1ad34035b40948662709bd6d8310f68c1d06e
SHA512b76a1e0e6a1484e1b0cbd5d0865e4df8cbc7c4c5b9913cf99f7f7a3164019585adbf187b711e0444db89331cc12fdc860a78e1025be9c287aebc34693fd26860
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Filesize
59KB
MD51c9d8e8844535cd66165c26adcba2ca8
SHA179da07790f43325721f8c2ffa78b08693375c27b
SHA2561e38c335d528fb87cfbb3b0aa5368a900a43d150b13b8bb6a20f5e95a65a2559
SHA512589fb879b3467427c53b564abe074f0b404043002718b5c6959b0a8388a7153b432a3a24c14f0455e6bb53113409869ba9ab165739a20f68d85fab1a166d4ced