Analysis
- max time kernel
150s - max time network
147s - platform
windows7_x64 - resource
win7-20240704-en - resource tags
- submitted
19/07/2024, 22:33
General
- Target 33.exe
- Size 682KB
- Sample240719-2gl17stcpl
- SHA256 0b5e7cdc5d5290f43799f61ef80cc36d163b3eed96480f77fd805d2cc34d44c8
Malware Config
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 34 IoCs
- .NET Reactor proctector 35 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Delays execution with timeout.exe 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\33.exe"C:\Users\Admin\AppData\Local\Temp\33.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svhosts" /tr '"C:\Users\Admin\AppData\Roaming\svhosts.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svhosts" /tr '"C:\Users\Admin\AppData\Roaming\svhosts.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpA2D4.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\svhosts.exe"C:\Users\Admin\AppData\Roaming\svhosts.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
CabD02D.tmp
TarE729.tmp
tmpA2D4.tmp.bat
svhosts.exe
memory/1620-56-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-50-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-10-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-27-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-23-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-21-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-35-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-49-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-58-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-68-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-24-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-18-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-28-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-30-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-64-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-66-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-62-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-60-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-0-0x000000007410E000-0x000000007410F000-memory.dmp
memory/1620-54-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-5-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-46-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-52-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-44-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-42-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-40-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-38-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-36-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-32-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-16-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-14-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-12-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-8-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-6-0x0000000004890000-0x0000000004957000-memory.dmp
memory/1620-81-0x0000000074100000-0x00000000747EE000-memory.dmp
memory/1620-2721-0x0000000074100000-0x00000000747EE000-memory.dmp
memory/1620-4-0x0000000004890000-0x000000000495C000-memory.dmp
memory/1620-2724-0x0000000074100000-0x00000000747EE000-memory.dmp
memory/1620-3-0x0000000074100000-0x00000000747EE000-memory.dmp
memory/1620-2-0x0000000074100000-0x00000000747EE000-memory.dmp
memory/1620-1-0x0000000004A30000-0x0000000004AFE000-memory.dmp