Analysis
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max time kernel
141s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
29-10-2024 16:02
General
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Target
Forreste.exe
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Size
895KB
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MD5
b6bcb5405a50ef97d57ae2b43ad5d01e
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SHA1
2c8288be420bdb1b53438f07cbcdec259f47bd0d
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SHA256
0c3b34493099cbbfbf51b25a4befe93e8d1b92008884500f91c66e2bd00dee1f
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SHA512
1a0eeea2ce4608fc4e0ae67b94f6c137de873b5c0da735c22a2e295dd9577aa1f6ba85ecd0193d771289d417a1d9cc758ea5cf8284cf3f2e3272571414cc9391
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SSDEEP
24576:5x+rg0PyXjILtPkoAzuyn/pBF62HnQIQMOKOaeKg:5x+s0PyXjIxPkFzucp22HTzOKOwg
Malware Config
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 2 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Program Files directory 1 IoCs
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Drops file in Windows directory 6 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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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Suspicious behavior: EnumeratesProcesses 14 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Forreste.exe"C:\Users\Admin\AppData\Local\Temp\Forreste.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Forreste.exe"C:\Users\Admin\AppData\Local\Temp\Forreste.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD5c9473cb90d79a374b2ba6040ca16e45c
SHA1ab95b54f12796dce57210d65f05124a6ed81234a
SHA256b80a5cba69d1853ed5979b0ca0352437bf368a5cfb86cb4528edadd410e11352
SHA512eafe7d5894622bc21f663bca4dd594392ee0f5b29270b6b56b0187093d6a3a103545464ff6398ad32d2cf15dab79b1f133218ba9ba337ddc01330b5ada804d7b
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Filesize
45.5MB
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Filesize
45.5MB
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Filesize
45.5MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
45.5MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
45.5MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
45.5MB