Analysis
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max time kernel
189s -
max time network
208s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 16:35
Static task
static1
Behavioral task
behavioral1
Sample
fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe
Resource
win10v2004-20221111-en
General
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Target
fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe
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Size
96KB
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MD5
df98945b6c86747e57e1fa6f5c74e76f
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SHA1
d9f5e5c1f337403812b7c3ee28287f74d1868fd4
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SHA256
fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4
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SHA512
5cb5414e17766b8a053544a9e5128f0b091c1ed771132c6f6b787b0d7272991c7476b84cbad8bea23719c2c68231ad69d14f8a861a747abcfe81e407dfdfff9c
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SSDEEP
1536:9/BmvfOrCfhnjQRN9P5odNKomadte1XjO7HUEotQtGDewkWej:9/2RjeNx5ov+1XS7EQtGDDfq
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 448 svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe -
Drops startup file 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ZVQJWJvSAxMBe5V9GVadbwVAXwE.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ZVQJWJvSAxMBe5V9GVadbwVAXwE.exe svchost.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\host\\svchost.exe" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exedescription pid process Token: SeDebugPrivilege 4580 fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exesvchost.exepid process 4580 fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe 448 svchost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exedescription pid process target process PID 4580 wrote to memory of 448 4580 fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe svchost.exe PID 4580 wrote to memory of 448 4580 fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe svchost.exe PID 4580 wrote to memory of 448 4580 fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe"C:\Users\Admin\AppData\Local\Temp\fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\host\svchost.exe"C:\Users\Admin\AppData\Roaming\host\svchost.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\melt.TmpFilesize
102B
MD5a319f4b1153c420746085be5b6b28fa2
SHA147cb7fc62cb7143f2689e79afaef13d86b828420
SHA256b5a25b8f1bba0366b318180313d3298e81b66510a4e425cc988ff6c5be579aeb
SHA512d373f392d1e6ebc7b3f275225978f4a12813a792f753e7e15b78a95f89022eddeeb2ca3013aeda0cf95b60cde8732d841686395da63377b9723bb7b094f32485
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C:\Users\Admin\AppData\Roaming\host\svchost.exeFilesize
96KB
MD5df98945b6c86747e57e1fa6f5c74e76f
SHA1d9f5e5c1f337403812b7c3ee28287f74d1868fd4
SHA256fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4
SHA5125cb5414e17766b8a053544a9e5128f0b091c1ed771132c6f6b787b0d7272991c7476b84cbad8bea23719c2c68231ad69d14f8a861a747abcfe81e407dfdfff9c
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C:\Users\Admin\AppData\Roaming\host\svchost.exeFilesize
96KB
MD5df98945b6c86747e57e1fa6f5c74e76f
SHA1d9f5e5c1f337403812b7c3ee28287f74d1868fd4
SHA256fb4544627036d5824f37a0f541e604b67208062c7aaddaf26c6f2174b95e41f4
SHA5125cb5414e17766b8a053544a9e5128f0b091c1ed771132c6f6b787b0d7272991c7476b84cbad8bea23719c2c68231ad69d14f8a861a747abcfe81e407dfdfff9c
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memory/448-137-0x0000000000000000-mapping.dmp
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memory/448-141-0x0000000075050000-0x0000000075601000-memory.dmpFilesize
5.7MB
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memory/448-143-0x0000000075050000-0x0000000075601000-memory.dmpFilesize
5.7MB
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memory/4580-135-0x0000000075050000-0x0000000075601000-memory.dmpFilesize
5.7MB
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memory/4580-136-0x0000000075050000-0x0000000075601000-memory.dmpFilesize
5.7MB
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memory/4580-140-0x0000000075050000-0x0000000075601000-memory.dmpFilesize
5.7MB