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Analysis
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max time kernel
140s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
26/03/2024, 23:41
General
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Target
2024-03-26_00c6b4db19a30896da570331ea3fd119_ryuk.exe
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Size
4.9MB
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MD5
00c6b4db19a30896da570331ea3fd119
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SHA1
cf2a2b0284473815efc6cb9ecd72b4e22cad5c2c
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SHA256
562079bb202157ab3a797f62c6c0b47fbcd8c559b5a00270f02f7f2e839bf81f
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SHA512
b6d446508d6a38c1d8f5713651611fb4d77259a9ac3df71bc09622c9eea898f21a6f802b5f70f8ccf53df6fb9e4549d80d64c7dba1ca619ba04cad8fbfc38ad3
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SSDEEP
98304:PfTi8bQRknxqpBPIWcsLktc/sW5K35JrXH4d9RHmJn:PfZnxEBPIWD6PW8pJz4vRH
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 6 IoCs
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Modifies registry class 2 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-26_00c6b4db19a30896da570331ea3fd119_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-26_00c6b4db19a30896da570331ea3fd119_ryuk.exe"1⤵
- Modifies firewall policy service
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2024-03-26_00c6b4db19a30896da570331ea3fd119_ryuk.exe"2024-03-26_00c6b4db19a30896da570331ea3fd119_ryuk.exe"2⤵
- Modifies firewall policy service
- Deletes itself
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD563167dbb70348b04efe5ea6fa0def24e
SHA14d6269c0e84b200a14d7eae5f70ed9fd8d7e3726
SHA25604b4c2b721054628362070abbbf12844150cc457afdf9bf9bc1150e85d104765
SHA512079ca19c103475f44eee6411509e0d5b61b0c9f287694851761b96b0c45fb7e8cefab2339097b427e19b9e8caf1018462c7985993225c9325b5f76fd280e4408
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Filesize
1.8MB
MD58484f95e364c475b7c41e6b178c7868b
SHA1e860dd00ca257f9f545a79f5bcf102f6b13bfc2e
SHA256e12d6d268987a13a05b06525b4e9fb5045c50de3b7a824ef344f34a9f03c64bd
SHA512300578dfb83a6d4ab84267ebfacd144d672186d7d72c3ea0b453cc53050ce33e4cfb9b4f53a7d9d1dcc362c327098a52568ba6837598ff2c48e0ddef04bd4dea
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Filesize
12B
MD535f4c78ddcf2808dd67d5a20617fd7f0
SHA1da9a8c19f1e539aee9dd0160b3f06c499f993b8f
SHA25699eacd1d0c50ee8d0be66fe334ce0cb0a24bbfddf0b2f24360ffdfc1e0151b08
SHA512a1d64d98e3d361ad223d0b0d402bc632e475cb35064e798736be88a63f3c5e50f69f40d7980bdcff09c74a5cfb9ea8a31c6f9139f8ddef2d5eb56ef44187089a
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
64KB
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Filesize
5.0MB
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Filesize
5.0MB