Analysis
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max time kernel
144s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
13-08-2024 22:24
General
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Target
vcredist2005_x86.exe
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Size
2.6MB
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MD5
6402438591b548121f54b0706a2c6423
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SHA1
e052789ebad7dc8d6f8505a9295b0576babd125e
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SHA256
d6832398e3bc9156a660745f427dc1c2392ce4e9a872e04f41f62d0c6bae07a8
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SHA512
c615e6337a9507bfaaff14e23043e206351d48bf7ba1d0c244c4bc8a08f411b4aa27f9a9074a87b320007b3cfca448306752fd343392bdde83b851b0e7daadef
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SSDEEP
49152:OW6IfKsucUSdXRc8jfi8sH9LyrgSnem02SIi7oOBX4twfDI4OzLbT3:RxucUkGwoBrSn9hFi73BV7xO33
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Adds Run key to start application 2 TTPs 2 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 4 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 11 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:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXE2⤵
- Executes dropped EXE
- 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.msi3⤵
- 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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4360,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:81⤵
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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 877FF880C42BAAA127E271EA2BFD51332⤵
- 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 Enterprise v15
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
Loading Replay Monitor...
Downloads
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Filesize
66KB
MD5322fb4fe4a8583e3cd4519b6cd9f60de
SHA146af5f745162d926332805a78d85be53fdeb7975
SHA256bbd2824c08a0b46dc9d002bf1dcca8489a978661c19509052e23daaf511362fc
SHA51239f83a7e8f2fa0771e3361dd823a36de41be90f1f1ab28e07fdf5e7c4fae8d7368cce5564dc04947c5c2d93dad265dafddd1847522bbae6375bf00dcae82ff0d
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Filesize
2.6MB
MD5c5c698758bd9da02cc2ef94dcf1b4637
SHA11d6773537b0baba779090c7fa29be43d2130c3dd
SHA256e1df4fda1f4f6a5d9faa94cc53e77458a53c56a87df4f1062708095150c86dbf
SHA512c238860204de3933c7c41ba5f621f957d602286fa3a19a1bf4b6b272d8b417a20f5351ccf6ae5b46dde6ae938c7158e0f11d610e7a76a3530ba6825a96c9196b
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Filesize
247KB
MD5d5dd8a90812067e0ccb23a7299f82562
SHA15787391891cef8295666bce637d10e992d021d81
SHA25671a4560b0eb5e45c385ce3aef154d97fa944b762f9aff3b3b9364d42bd1d5afd
SHA512d38d3bcb8a640538a3a1b4052727d8d291d8d17218ba1abcaab1dca615bd83d3317a4bed89e495fadfbe6d20791562e5a8032284ae1cfeadc0020337ea0fe673
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Filesize
2.6MB
MD5f194e681c552647c95441877b5552415
SHA1285c6b1dbbc2d1525c9b1c276a4901b98d49b202
SHA2566d4f42d5856384c2566ed79bdc587993208013640b035b04540de9f05ee597d6
SHA5128ed21ce7829a1cb6c2dd4eff2e3701171aeba5b7e4337eaf0ddff86ea3fda812198a2e3fb4f1873b129944bdc8ddb09ebbd78e5c2b9811900cb853ef2afdab8c
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Filesize
28KB
MD585221b3bcba8dbe4b4a46581aa49f760
SHA1746645c92594bfc739f77812d67cfd85f4b92474
SHA256f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f
SHA512060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d
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Filesize
23.7MB
MD53828819158b1db6258a8e7b94f1b27cb
SHA11da7c979ccf774fa7cc5f192660d73be5ad8f291
SHA256691ad0310199cdb1a2f5da1adc7ba5aeb801eaf6e71d4744fcc0a62ea7a3fba4
SHA512cf97db9e12bbb92f038270cdc57f0758e933f5993477d55f43ef40e66f6ca11312d8e60220ef7fe98c71e33be748932726db0b1b7f4a9a55859b3453e5548164
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Filesize
6KB
MD5b7d7db82a72a96055749e9df3d748511
SHA1b59956ebc70f91c4eb80a0b94c6e151acb100ec7
SHA2566b343ba8cc5848cedb569aeba3e11228c08286b18fa604fb2ad8593c499a97bc
SHA512a0cdf0649ade8dd98985ca7645cfcf0b40f7bd938f7a3ca672c9b182a3a15ee121c18b34d5941c9e3fc19385e1b4567d6f1c4a3c3d6ce63f21ab389bd23e96ba