Analysis
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max time kernel
118s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28-03-2024 09:08
General
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Target
SecureClientInstaller.exe
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Size
15.8MB
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MD5
d3b4eacce35fb5b50b0f45f35119508c
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SHA1
18ae2430f7ea7ae5e92e95ca251711a59738f31f
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SHA256
edaa4e44df8652613f83cab2b7790f3a8c0086fee134747747afc139e5481ad4
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SHA512
877829fc113b126094a96170a860cfbd2e54b7b1a4fecf7d21f1722922ae0183ffc7bf154b7fc6afdc6d3dc2cf4e619c72fdbb16c0444b52486042e6f1781235
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SSDEEP
393216:j3JQVz1M/0XRlPzAuIhlQd5A1eT67vXUFjyO/Nk:gC0Pbxc/eTAUlymC
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
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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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecureClientInstaller.exe"C:\Users\Admin\AppData\Local\Temp\SecureClientInstaller.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-EJ3A5.tmp\SecureClientInstaller.tmp"C:\Users\Admin\AppData\Local\Temp\is-EJ3A5.tmp\SecureClientInstaller.tmp" /SL5="$70120,15648808,1044992,C:\Users\Admin\AppData\Local\Temp\SecureClientInstaller.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\is-6UA5M.tmp\temp_script.ps1"3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.9MB
MD524de4ed3ff1fa997f867b591be4e001d
SHA1744d45ebd394880598b597d882ae2b634b9261fb
SHA2567c4330c4bd0c6890c7efc49af493056b92332c65be2bf885cd2a599369ba5349
SHA5128a32756cffcd10d6df5f0b6da917a203115431fe101b2b7746b1d8e76956b12f6af5ce89bce29bc505558943f4d661d45e2630b4b5790625b968549146ebec88
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Filesize
346KB
MD59d4300c87c9e378a13efa9999d305929
SHA10a7bb44a99208085296e782fd2e7b22170e7d03a
SHA256d92d3e91f1b4036435cc6e39e2ce048de7153a54577695313aca1119df70de82
SHA512297d7848fb011d8e79a7ee1b48d42227fc8582848b9232f4ed155b5fa1476c25654885fbd39e0207dd86f619bfc0fde41a0d448365e5b1d57d7c359b7eae3b1f
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Filesize
387B
MD5a7237f7ca48e6413578563aacfa87c1e
SHA1d773719ee8396df94c800f18fdf50d6167d3c6e1
SHA25662771326f8610358752b689db082a94e536423655846774cdcac067fcf2534cf
SHA512f1ceb76211ebb3cd12dd954d8b2f755f3ca1f9f1bf2116bc76229930a402c3d6c6f25ab3ea4c364d48edcf9a5c96e24b0e480314f48381e529dc70e3106a658a
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Filesize
3.2MB
MD57da27e20661e025f701f1f64927c70f8
SHA14d01eaaa7251e382c2b71f12af826c2575196188
SHA2569742767b2de0c8c1305a2c3f712c76043ce6bba3f31beae7419fd64913abc3e5
SHA5127e57d809f70844b67b0ee67ba0f2cca5ef5ee30680a9f7fd7d55a61f2cee1bfe61dbe490699955d5d94110e43bfc3f053d7ef3569788be17345d4ff4cb086019
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Filesize
365KB
MD5bc397d9cb2507f8b115f49fb3c2b44bc
SHA1a1baa679d7521567bce4d1116550515af1cc387b
SHA256409209fe98b66aee9d89236ef9e84d77906f4cbc2e7e6e936b7ed43fb3f081e6
SHA512815db0130bb95f6c1d9898d49b48073ec162737befde1d94e722b9738a4b6a2655385ab008f4f3bffe6a5e3f6fdbd1b16b0247e93fb2135d18f4cd1754977439
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
3.3MB
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Filesize
4KB
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Filesize
3.3MB
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Filesize
3.3MB
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Filesize
4KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
256KB
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Filesize
256KB
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Filesize
256KB
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Filesize
5.7MB