Analysis
- max time kernel
298s - max time network
308s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
18/03/2024, 15:12
General
- Target SurrogateServerIntoSvc.exe
- Size 147.8MB
- Sample240318-slmnvscc5w
- SHA256 df18a66e0d7dac7371e4371005a83e4735f5e22377b28f00bb0f41a3feee92a5
Malware Config
Signatures
- Detect ZGRat V1 35 IoCs
- ZGRat
ZGRat is remote access trojan written in C#.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SurrogateServerIntoSvc.exe"C:\Users\Admin\AppData\Local\Temp\SurrogateServerIntoSvc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SurrogateServerIntoSvc.exeC:\Users\Admin\AppData\Local\Temp\SurrogateServerIntoSvc.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\SurrogateServerIntoSvc.exeC:\Users\Admin\AppData\Local\Temp\SurrogateServerIntoSvc.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\SurrogateServerIntoSvc.exeC:\Users\Admin\AppData\Local\Temp\SurrogateServerIntoSvc.exe2⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\edbc93e7-51cc-4f0f-b892-430816a7c2a3.vbs"3⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\f771f056-d861-42e2-b889-7dd033f95dae.vbs"3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
SurrogateServerIntoSvc.exe.log
edbc93e7-51cc-4f0f-b892-430816a7c2a3.vbs
f771f056-d861-42e2-b889-7dd033f95dae.vbs
memory/1432-1-0x00000000003E0000-0x000000000070E000-memory.dmp
memory/1432-0-0x00000000743A0000-0x0000000074B51000-memory.dmp
memory/1432-2-0x00000000052A0000-0x0000000005516000-memory.dmp
memory/1432-3-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-4-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-6-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-8-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-10-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-12-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-14-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-16-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-18-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-20-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-22-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-24-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-26-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-28-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-30-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-32-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-34-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-36-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-38-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-40-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-42-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-44-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-46-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-48-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-50-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-52-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-54-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-56-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-58-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-60-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-62-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-64-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-66-0x00000000052A0000-0x0000000005510000-memory.dmp
memory/1432-2220-0x00000000743A0000-0x0000000074B51000-memory.dmp
memory/1432-4780-0x0000000005290000-0x00000000052A0000-memory.dmp
memory/1432-4781-0x0000000005230000-0x0000000005231000-memory.dmp
memory/1432-4782-0x0000000005A00000-0x0000000005ABE000-memory.dmp
memory/1432-4783-0x0000000005770000-0x00000000057BC000-memory.dmp
memory/1432-4784-0x0000000005B70000-0x0000000005C02000-memory.dmp
memory/1432-4785-0x0000000005C10000-0x0000000005C76000-memory.dmp
memory/1432-4786-0x0000000006330000-0x00000000068D6000-memory.dmp
memory/1432-4787-0x0000000005290000-0x00000000052A0000-memory.dmp
memory/1432-4791-0x00000000743A0000-0x0000000074B51000-memory.dmp
memory/2040-4793-0x0000000000400000-0x000000000051A000-memory.dmp
memory/2040-4792-0x00000000743A0000-0x0000000074B51000-memory.dmp
memory/2040-4794-0x0000000005410000-0x0000000005420000-memory.dmp
memory/2040-4795-0x0000000005B20000-0x0000000005B2E000-memory.dmp
memory/2040-4796-0x0000000005B50000-0x0000000005B5A000-memory.dmp
memory/2040-4806-0x00000000743A0000-0x0000000074B51000-memory.dmp
memory/2040-4807-0x0000000005410000-0x0000000005420000-memory.dmp