Analysis
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max time kernel
134s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
28-08-2024 23:27
General
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Target
vcredist2005_x86.exe
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Size
2.6MB
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MD5
ce2922f83fb4b170affce0ea448b107b
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SHA1
b8fab0bb7f62a24ddfe77b19cd9a1451abd7b847
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SHA256
4ee4da0fe62d5fa1b5e80c6e6d88a4a2f8b3b140c35da51053d0d7b72a381d29
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SHA512
e94b077e054bd8992374d359f3adc4d1d78d42118d878556715d77182f7d03635850b2b2f06c012ccb7c410e2b3c124cf6508473efe150d3c51a51857ce1c6b0
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SSDEEP
49152:rqGRIgg2SirwkF9xdtb43lyGKCafpKkiwnaDahmPzpY4FPyaza:rxxLFfY/KCCpKk9aWMzZyau
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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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.
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Drops file in Program Files directory 1 IoCs
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Drops file in Windows directory 57 IoCs
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Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Modifies data under HKEY_USERS 3 IoCs
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Modifies registry class 45 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of FindShellTrayWindow 2 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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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\vcredist2005_x86.exe"C:\Users\Admin\AppData\Local\Temp\vcredist2005_x86.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msiexec.exemsiexec /i vcredist.msi2⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 694E9031DDC9CBBB5CFA1355A1E37F952⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Replay Monitor
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Downloads
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C:\Config.Msi\e57bcdb.rbsFilesize
73KB
MD559e8b04bba545d0513ea74561a746ccb
SHA1da10bba7facdf16cd4fdc8838f7daac46b9c9682
SHA256cd4438dac15b1aca736a079af7bca774eb9d5d4d113b6b5a3f74b1c50c2b0dbc
SHA5120e71448512e6f68fac93d3da003b6d0507a204e85998e51b8c9d77a91e9cc84901fcdbc6cd5cf0d8705ca23f808a860ef6bc5e13c0a3c4a746718fa125e3b7bc
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredis1.cabFilesize
247KB
MD5cc064d4b81619991de8131a86ad77681
SHA188d80d86cc20c27d7d2a872af719300bd2bb73f9
SHA256913ee5a1cae3e5a1872b3a5efaaa00c58e4beb692492b138f76967da671b0477
SHA5125aff0eb26cfc187bf58721b2b6d73357d9f1e66d1ac5340ad9ddc08b40ad0eda27a144cb3b650604637a7476c282ded83ed890de98a73ccaf0cc021da3a9eb25
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredist.msiFilesize
2.6MB
MD5b20bbeb818222b657df49a9cfe4fed79
SHA13f6508e880b86502773a3275bc9527f046d45502
SHA25691bdd063f6c53126737791c9eccf0b2f4cf44927831527245bc89a0be06c0cb4
SHA512f534bc7bf1597e728940e6c3b77f864adfaa413bb1e080458326b692b0f96bddf4fbd294eeed36d7764a3578e6c8e919488bbf63b8fe2d4355ab3efd685424a4
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C:\Windows\Installer\MSIC17B.tmpFilesize
28KB
MD585221b3bcba8dbe4b4a46581aa49f760
SHA1746645c92594bfc739f77812d67cfd85f4b92474
SHA256f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f
SHA512060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d
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\??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2Filesize
23.7MB
MD5c69a2e12775f261a555d7269b7c791b7
SHA1136aa12dee6c7214d50d5af5e6a67e3cb65b201e
SHA2569d130216ce3f35abd211d7f288d8ec079cde5ed065c474e59fa414ec683c502f
SHA51263415bf178f795562d1a7938f099d536795266cdd9d3b53bd2f103d08b2dfa27fa5f04d301573cec1d0b33990cc1c0a9c708d95c21fdb46843227236af4d6fca
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\??\Volume{f171a6e7-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{c9463b1c-50c3-497a-ba2a-4fc5d926545e}_OnDiskSnapshotPropFilesize
6KB
MD5bb2995d08521aaf773f9546e462f1f84
SHA177e8b7b7d98bab3fe687ca7135a316a95727d063
SHA256dea0b607c7da2d870abd6b838dc04a910113f3bca5f2ca96f1af13039d35e665
SHA512d61893b6c12902ce531e0583691482ba6280ad7fd95dd1b47baa1aec7cadfab498cc246917f87352257dbde515f5b6d536a4d99383eb4ee7cd8fab62dfebac11