Analysis
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max time kernel
87s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
16-02-2024 20:35
General
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Target
dependencies/vcredist2005_x64.exe
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Size
3.0MB
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MD5
56eaf4e1237c974f6984edc93972c123
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SHA1
ee916012783024dac67fc606457377932c826f05
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SHA256
0551a61c85b718e1fa015b0c3e3f4c4eea0637055536c00e7969286b4fa663e0
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SHA512
f8e15363e34db5b5445c41eea4dd80b2f682642cb8f1046f30ea4fb5f4f51b0b604f7bcb3000a35a7d3ba1d1bcc07df9b25e4533170c65640b2d137c19916736
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SSDEEP
49152:+r67+stI6RWGTAdyvlADUrpTmcOgohwJpEM5grO3oc1OXZViFeRyDErkLUMHzkRN:AM9l8pUr9m30L5grOQXZKAsErkbQRN
Malware Config
Signatures
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Loads dropped DLL 2 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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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\dependencies\vcredist2005_x64.exe"C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2005_x64.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msiexec.exemsiexec /i vcredist.msi2⤵
- Enumerates connected drives
- 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 07ED4B0468DFEA7179DBCE770B93F5CC2⤵
- Loads dropped DLL
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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
Replay Monitor
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Downloads
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C:\Config.Msi\e5794a2.rbsFilesize
73KB
MD5ef5d1c7d958d5865b15aa601a150a91c
SHA1fc4eb004a3ced0ed48eda3b36e3cc5f489591a51
SHA256fff47ede9c4981215a02ca5123ff9a9811c4f32790e989343874b49462e6f51f
SHA512a4f29477ccde8f61acf8df3459d9ded3cbda8ebe96a544b8b84c00f9e5f07d853b6739de83d2426b00a01dce455c9c049828ddd2ca16935729a1b72020ac8d6f
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredis1.cabFilesize
312KB
MD577a9bff5af149160775741e204734d47
SHA17b5126af69b5a79593f39db94180f1ff11b0e39d
SHA25620a26ed9a1edf7763a9b515522c5e29720048a482c7fbc8b7ff6bbdd27e61038
SHA512bb0440f58f07e113bddd9a0afb5aab8af6493218784fe5fa6f4032e3a37088f91b7e766dee87cec4a9ea11d425d27b3b536430de3a52222e8bca3e0247d81e3b
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredist.msiFilesize
157KB
MD53a5d00dfd182c47147d21090fae4fe7d
SHA11b445d7aa880742260151554664172f4529cc9c9
SHA2562d81937958b8246a0ab30c755f5e77af8cb9cab7b4528b6757dbf49a68b683cd
SHA5126695dc2166e4cf41e19974d17fafa6ae68d3e9cee44e3a57f6b5c508da33ebab7858429635e2d26e48614b5376d7283d8945f0737981b28cb521f5ee107e9793
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C:\Windows\Installer\MSI96E1.tmpFilesize
28KB
MD585221b3bcba8dbe4b4a46581aa49f760
SHA1746645c92594bfc739f77812d67cfd85f4b92474
SHA256f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f
SHA512060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d
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C:\Windows\Installer\e57949f.msiFilesize
3.0MB
MD56dbdf338a0a25cdb236d43ea3ca2395e
SHA1685b6ea61e574e628392eaac8b10aff4309f1081
SHA256200fef5d4994523a02c4daa00060db28eb289b99d47fc6c1305183101e72bdeb
SHA5126b5b31c55cf72ab92b17fb6074b3901a1e6afe0796ef9bc831e4dfb97450376d2889cd24b1cf3fce60eb3c1bcd1b31254b5cfa3ef6107974dfa0b35c233daf5a
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\??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2Filesize
23.0MB
MD5c7f9d0a2d64ebdfe00ff79d66ed46fa0
SHA1741006db0f665828263b65aab848448c88e9b589
SHA2562fc30e5e0bc464c3fb614a9eda06ffe18eed1f3956280614610430e512657838
SHA512c3ae5af859fee2b117fa6543d207fee729a45ee2e5c272286dca60f1d8fa24f71dc63bc69a5ee33a4834c435de491c845c4eaf92cd00948446ced2cdbcfef53e
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\??\Volume{6479dd83-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{279b0078-427f-41cb-8b7e-9ef387900b8f}_OnDiskSnapshotPropFilesize
6KB
MD5a7a62fe77e32c6ae7a3c202113a7f155
SHA11cd49aa349a76bb60fd0c87ae0af8162938a56fb
SHA2566fb0d9b76dda8d18751e24bb696f73187e3b5b55587b9e43c8112da3228e2a8d
SHA512680b37647cc4ce21eb7bb6030358d6a3c22b44127d386f8e5fb303fc7186d9a41b60da5c756cce4b1203be85525e15b79863cbbf0799f474442503709f90428d