Analysis
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max time kernel
146s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 19:35
Static task
static1
Behavioral task
behavioral1
Sample
AcroPro.msi
Resource
win7-20231215-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
AcroPro.msi
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
AcroPro.msi
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Size
12.6MB
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MD5
532a49d9023337714c1ce4ba11f2efd2
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SHA1
4c1959149f03212a5112cc4c6256b22c7455233e
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SHA256
089dc9a23f5eb868a6f6b8a6a901c2a29faef113ad296c8d40f6ce9de60f4b2d
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SHA512
2f43e077f25b1c9243b4ec6f7901c59c62d8caa45cca183490d62409a2ae7ca69a84dd36bbe21805ff3bdacb03aee9c4f255c5b3db50eee6a17e0cc5929eb61c
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SSDEEP
98304:/iD6IPdb7aDxMoPE1Oul7NhJLMYydUEooaKI:wPt7aDxMouOeHJLiGBKI
Score
7/10
Malware Config
Signatures
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Loads dropped DLL 10 IoCs
pid Process 976 MsiExec.exe 4436 MsiExec.exe 4436 MsiExec.exe 4436 MsiExec.exe 4436 MsiExec.exe 4436 MsiExec.exe 4436 MsiExec.exe 4436 MsiExec.exe 4436 MsiExec.exe 4436 MsiExec.exe -
Blocklisted process makes network request 2 IoCs
flow pid Process 7 4336 msiexec.exe 12 4336 msiexec.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: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe -
Drops file in System32 directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\mfcm110.dll msiexec.exe File opened for modification C:\Windows\SysWOW64\mfcm110u.dll msiexec.exe File opened for modification C:\Windows\SysWOW64\atl110.dll msiexec.exe File opened for modification C:\Windows\SysWOW64\msvcr110.dll msiexec.exe File opened for modification C:\Windows\SysWOW64\msvcp110.dll msiexec.exe File opened for modification C:\Windows\SysWOW64\vccorlib110.dll msiexec.exe File opened for modification C:\Windows\SysWOW64\mfc110.dll msiexec.exe File opened for modification C:\Windows\SysWOW64\mfc110u.dll msiexec.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe msiexec.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4336 msiexec.exe Token: SeIncreaseQuotaPrivilege 4336 msiexec.exe Token: SeSecurityPrivilege 2108 msiexec.exe Token: SeCreateTokenPrivilege 4336 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4336 msiexec.exe Token: SeLockMemoryPrivilege 4336 msiexec.exe Token: SeIncreaseQuotaPrivilege 4336 msiexec.exe Token: SeMachineAccountPrivilege 4336 msiexec.exe Token: SeTcbPrivilege 4336 msiexec.exe Token: SeSecurityPrivilege 4336 msiexec.exe Token: SeTakeOwnershipPrivilege 4336 msiexec.exe Token: SeLoadDriverPrivilege 4336 msiexec.exe Token: SeSystemProfilePrivilege 4336 msiexec.exe Token: SeSystemtimePrivilege 4336 msiexec.exe Token: SeProfSingleProcessPrivilege 4336 msiexec.exe Token: SeIncBasePriorityPrivilege 4336 msiexec.exe Token: SeCreatePagefilePrivilege 4336 msiexec.exe Token: SeCreatePermanentPrivilege 4336 msiexec.exe Token: SeBackupPrivilege 4336 msiexec.exe Token: SeRestorePrivilege 4336 msiexec.exe Token: SeShutdownPrivilege 4336 msiexec.exe Token: SeDebugPrivilege 4336 msiexec.exe Token: SeAuditPrivilege 4336 msiexec.exe Token: SeSystemEnvironmentPrivilege 4336 msiexec.exe Token: SeChangeNotifyPrivilege 4336 msiexec.exe Token: SeRemoteShutdownPrivilege 4336 msiexec.exe Token: SeUndockPrivilege 4336 msiexec.exe Token: SeSyncAgentPrivilege 4336 msiexec.exe Token: SeEnableDelegationPrivilege 4336 msiexec.exe Token: SeManageVolumePrivilege 4336 msiexec.exe Token: SeImpersonatePrivilege 4336 msiexec.exe Token: SeCreateGlobalPrivilege 4336 msiexec.exe Token: SeCreateTokenPrivilege 4336 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4336 msiexec.exe Token: SeLockMemoryPrivilege 4336 msiexec.exe Token: SeIncreaseQuotaPrivilege 4336 msiexec.exe Token: SeMachineAccountPrivilege 4336 msiexec.exe Token: SeTcbPrivilege 4336 msiexec.exe Token: SeSecurityPrivilege 4336 msiexec.exe Token: SeTakeOwnershipPrivilege 4336 msiexec.exe Token: SeLoadDriverPrivilege 4336 msiexec.exe Token: SeSystemProfilePrivilege 4336 msiexec.exe Token: SeSystemtimePrivilege 4336 msiexec.exe Token: SeProfSingleProcessPrivilege 4336 msiexec.exe Token: SeIncBasePriorityPrivilege 4336 msiexec.exe Token: SeCreatePagefilePrivilege 4336 msiexec.exe Token: SeCreatePermanentPrivilege 4336 msiexec.exe Token: SeBackupPrivilege 4336 msiexec.exe Token: SeRestorePrivilege 4336 msiexec.exe Token: SeShutdownPrivilege 4336 msiexec.exe Token: SeDebugPrivilege 4336 msiexec.exe Token: SeAuditPrivilege 4336 msiexec.exe Token: SeSystemEnvironmentPrivilege 4336 msiexec.exe Token: SeChangeNotifyPrivilege 4336 msiexec.exe Token: SeRemoteShutdownPrivilege 4336 msiexec.exe Token: SeUndockPrivilege 4336 msiexec.exe Token: SeSyncAgentPrivilege 4336 msiexec.exe Token: SeEnableDelegationPrivilege 4336 msiexec.exe Token: SeManageVolumePrivilege 4336 msiexec.exe Token: SeImpersonatePrivilege 4336 msiexec.exe Token: SeCreateGlobalPrivilege 4336 msiexec.exe Token: SeCreateTokenPrivilege 4336 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4336 msiexec.exe Token: SeLockMemoryPrivilege 4336 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4336 msiexec.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2108 wrote to memory of 976 2108 msiexec.exe 94 PID 2108 wrote to memory of 976 2108 msiexec.exe 94 PID 2108 wrote to memory of 976 2108 msiexec.exe 94 PID 2108 wrote to memory of 4436 2108 msiexec.exe 95 PID 2108 wrote to memory of 4436 2108 msiexec.exe 95
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\AcroPro.msi1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4336
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 2A8AA9B34677FE6443CA6729D7CA4FA8 C2⤵
- Loads dropped DLL
PID:976
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 30D04CCB9817E832F46AFD7CBDF9946B C2⤵
- Loads dropped DLL
PID:4436
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
141KB
MD5edb88affffd67bca3523b41d3e2e4810
SHA10055b93907665fed56d22a7614a581a87d060ead
SHA2564c3d85e7c49928af0f43623dcbed474a157ef50af3cba40b7fd7ac3fe3df2f15
SHA5122b9d99c57bfa9ab00d8582d55b18c5bf155a4ac83cf4c92247be23c35be818b082b3d6fe38fa905d304d2d8b957f3db73428da88e46acc3a7e3fee99d05e4daf
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Filesize
139KB
MD55a5b544fc413d0eb2de803608e19e545
SHA108db67f479a430a05907f2a3641d3664b37f0367
SHA2568e9fb98042491ab2f1c2a6460bd1c0ed0e43f63ebb10e140914e3c652ca32750
SHA51209f3dcc3d3b88f79bd2e2e6e31ac46f0fddbea6f0758f6124709929698417d4020cefc5b1b923683db02644e8e035d7fdd8c9b7f89893803fe0f5001efb5c89a
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Filesize
592KB
MD51e16a683c485122abb502de1156be953
SHA1e060b72d764eb499aa978fd6762077d5a45158a7
SHA2563a6f087f4f8075622f588b52035a36c98f2cf13827d47e9565d3f50c10668b2b
SHA512d4acd5a6b97a5eb180e3066d69de715e1bf0ae4dbd6e4a13a5cb216e892ec43fccba7b081186f3ddfec9efebc25d5269df92d792c8d2939e3d6b65df488ef4d9
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Filesize
381KB
MD52f115322cf8a6591a2c6ccb760c736b3
SHA1fea7ae797d4969e39eadf81336a81b58ad41cba1
SHA25685bc48955dd7b2c8692a9a204938a4f98d677c817711b7958e1278a1b7ecc738
SHA5125c54196571c84e062c896def01bd06dda5dc81439ef16c2108cdf55b28fa4ca739c1f0ce3c3bc4632960f3876ef405610a5b4bfad1cecb22141766ce0ff2f6b5
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Filesize
92KB
MD54f4b53e0aab6c0fa828d79b73eff61fe
SHA16a4d4a3eae683437de2552f9b241234c7cdd2abf
SHA2568d7c95c7df699c5575a866670d7b728786cef490a3cd64f7018b49dff718f0eb
SHA512aea4ee6ec96e7cc477b188243c129d3ec5651efa5fa09ac92c1a2988195868171a8a97d82f0bb0b44ea1a6805cf17c24b9e1c0995ca9ae5581cc30b3d5d52c6d