Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04/04/2024, 17:19
Static task
static1
Behavioral task
behavioral1
Sample
formulario_citas.msi
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
formulario_citas.msi
Resource
win10v2004-20231215-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
formulario_citas.msi
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Size
572KB
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MD5
7a173cb2e914c865e290750ef112bc89
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SHA1
0a12476d27dd706b1f54279c7f50224f26e44ef9
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SHA256
6aa9111e91cd8c4f646f5d901d76884b0892228212ff0d071c2ce8f14ec917e1
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SHA512
82469d141017154d42895958e42d40a2365460fce9d7291c72fc7a5e73d9993be09b4176ba1d7285eb0de5e8f4e2f6a5e99bf48c78bc18cedfbd1e0f5ba08150
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SSDEEP
12288:5wEYq/qKIGlLJ9H7u8ugbYENLyVRq7HAyezI+2ctKBBQ:5jYq/qKIIDEVGHAyeC
Score
6/10
Malware Config
Signatures
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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) \??\J: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: 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) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\Installer\MSI2953.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI29A2.tmp msiexec.exe File created C:\Windows\Installer\f76284d.msi msiexec.exe File opened for modification C:\Windows\Installer\f76284b.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI2887.tmp msiexec.exe File opened for modification C:\Windows\Installer\f762848.msi msiexec.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f762848.msi msiexec.exe File created C:\Windows\Installer\f76284b.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI2A9C.tmp msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe -
Executes dropped EXE 1 IoCs
pid Process 1804 javaw.exe -
Loads dropped DLL 4 IoCs
pid Process 1452 MsiExec.exe 1452 MsiExec.exe 1452 MsiExec.exe 1676 msiexec.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process 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\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\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\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs 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\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1676 msiexec.exe 1676 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2412 msiexec.exe Token: SeIncreaseQuotaPrivilege 2412 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeTakeOwnershipPrivilege 1676 msiexec.exe Token: SeSecurityPrivilege 1676 msiexec.exe Token: SeCreateTokenPrivilege 2412 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2412 msiexec.exe Token: SeLockMemoryPrivilege 2412 msiexec.exe Token: SeIncreaseQuotaPrivilege 2412 msiexec.exe Token: SeMachineAccountPrivilege 2412 msiexec.exe Token: SeTcbPrivilege 2412 msiexec.exe Token: SeSecurityPrivilege 2412 msiexec.exe Token: SeTakeOwnershipPrivilege 2412 msiexec.exe Token: SeLoadDriverPrivilege 2412 msiexec.exe Token: SeSystemProfilePrivilege 2412 msiexec.exe Token: SeSystemtimePrivilege 2412 msiexec.exe Token: SeProfSingleProcessPrivilege 2412 msiexec.exe Token: SeIncBasePriorityPrivilege 2412 msiexec.exe Token: SeCreatePagefilePrivilege 2412 msiexec.exe Token: SeCreatePermanentPrivilege 2412 msiexec.exe Token: SeBackupPrivilege 2412 msiexec.exe Token: SeRestorePrivilege 2412 msiexec.exe Token: SeShutdownPrivilege 2412 msiexec.exe Token: SeDebugPrivilege 2412 msiexec.exe Token: SeAuditPrivilege 2412 msiexec.exe Token: SeSystemEnvironmentPrivilege 2412 msiexec.exe Token: SeChangeNotifyPrivilege 2412 msiexec.exe Token: SeRemoteShutdownPrivilege 2412 msiexec.exe Token: SeUndockPrivilege 2412 msiexec.exe Token: SeSyncAgentPrivilege 2412 msiexec.exe Token: SeEnableDelegationPrivilege 2412 msiexec.exe Token: SeManageVolumePrivilege 2412 msiexec.exe Token: SeImpersonatePrivilege 2412 msiexec.exe Token: SeCreateGlobalPrivilege 2412 msiexec.exe Token: SeBackupPrivilege 3064 vssvc.exe Token: SeRestorePrivilege 3064 vssvc.exe Token: SeAuditPrivilege 3064 vssvc.exe Token: SeBackupPrivilege 1676 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeRestorePrivilege 2572 DrvInst.exe Token: SeRestorePrivilege 2572 DrvInst.exe Token: SeRestorePrivilege 2572 DrvInst.exe Token: SeRestorePrivilege 2572 DrvInst.exe Token: SeRestorePrivilege 2572 DrvInst.exe Token: SeRestorePrivilege 2572 DrvInst.exe Token: SeRestorePrivilege 2572 DrvInst.exe Token: SeLoadDriverPrivilege 2572 DrvInst.exe Token: SeLoadDriverPrivilege 2572 DrvInst.exe Token: SeLoadDriverPrivilege 2572 DrvInst.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeTakeOwnershipPrivilege 1676 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeTakeOwnershipPrivilege 1676 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeTakeOwnershipPrivilege 1676 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeTakeOwnershipPrivilege 1676 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeTakeOwnershipPrivilege 1676 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeTakeOwnershipPrivilege 1676 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe Token: SeTakeOwnershipPrivilege 1676 msiexec.exe Token: SeRestorePrivilege 1676 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2412 msiexec.exe 2412 msiexec.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1676 wrote to memory of 1452 1676 msiexec.exe 32 PID 1676 wrote to memory of 1452 1676 msiexec.exe 32 PID 1676 wrote to memory of 1452 1676 msiexec.exe 32 PID 1676 wrote to memory of 1452 1676 msiexec.exe 32 PID 1676 wrote to memory of 1452 1676 msiexec.exe 32 PID 1676 wrote to memory of 1452 1676 msiexec.exe 32 PID 1676 wrote to memory of 1452 1676 msiexec.exe 32 PID 1676 wrote to memory of 1804 1676 msiexec.exe 33 PID 1676 wrote to memory of 1804 1676 msiexec.exe 33 PID 1676 wrote to memory of 1804 1676 msiexec.exe 33 -
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\formulario_citas.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2412
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 89AA15A48434A8E11729D01CDE8EF1C22⤵
- Loads dropped DLL
PID:1452
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C:\Users\Admin\AppData\Roaming\Leatherette\javaw.exe"C:\Users\Admin\AppData\Roaming\Leatherette\javaw.exe"2⤵
- Executes dropped EXE
PID:1804
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3064
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000002EC" "00000000000002C4"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD56ef8f8d5bdb688e5f76c2d7561cdb723
SHA1936ae34de735f6120e8c9999c31413c7052e7e93
SHA256c5eee0736214f60089c4f820f752b6b209d83bc9dbdf6d5e756479c71543d028
SHA5129da78511aa12ef54f5d117643d04a85b2cd3cae33323bf26a6e06a9c7534180e40913d2f54d8818e696ecc807efab97705c9c73b3f3800652d7f15b21d9dadb9
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Filesize
386KB
MD572b1c6699ddc2baab105d32761285df2
SHA1fc85e9fb190f205e6752624a5231515c4ee4e155
SHA256bf7f6f7e527ab8617766bb7a21c21b2895b5275c0e808756c2aadcd66eff8a97
SHA512cde1e754d8dfb2fa55db243517b5dd3d75b209ea6387ef2e4be6157875e536db2373f23434a9e66c119150301c7b7cdf97de5a5544d94c03247b4ae716cbc170
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Filesize
572KB
MD57a173cb2e914c865e290750ef112bc89
SHA10a12476d27dd706b1f54279c7f50224f26e44ef9
SHA2566aa9111e91cd8c4f646f5d901d76884b0892228212ff0d071c2ce8f14ec917e1
SHA51282469d141017154d42895958e42d40a2365460fce9d7291c72fc7a5e73d9993be09b4176ba1d7285eb0de5e8f4e2f6a5e99bf48c78bc18cedfbd1e0f5ba08150
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Filesize
53KB
MD5e5ea5d841cb79942698c4e952a199a29
SHA1ebe0e313c26f87af8ddf4a5f0fad1a68fc5f59d5
SHA2568e478da3eff27b1be19a893314927385156a62582d8ceffb5be2c8852aff19d7
SHA512f3aad0d51939184282327a0ed5544f4a9dc71e6b46409909a11dd440680301b5d5c160d58c9586f68800ac544b6573c8215a0a32c270acf0bc611ebbb219e0c0