Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/07/2026, 08:38
General
- Target 27555c805777443fad6022dfb73353c02ec3a229ad118d6d0683679d3bde35a6.exe
- Size 45KB
- Sample260710-kjs4vsf15m
- SHA256 27555c805777443fad6022dfb73353c02ec3a229ad118d6d0683679d3bde35a6
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
damsex.blog:80
-
damsex.blog:22
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damsex.blog:8080
-
damsex.blog:8880
-
damsex.blog:2052
-
damsex.blog:2082
-
damsex.blog:2086
-
damsex.blog:2095
-
damsex.blog:443
-
damsex.blog:2053
-
damsex.blog:2083
-
damsex.blog:2087
-
damsex.blog:2096
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damsex.blog:8443
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www.damsex.blog:80
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www.damsex.blog:22
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www.damsex.blog:8080
-
www.damsex.blog:8880
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www.damsex.blog:2052
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www.damsex.blog:2082
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jJEg0VntFFmB
-
delay
0
-
install
true
-
install_file
pzyecfa.exe
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install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 27 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\27555c805777443fad6022dfb73353c02ec3a229ad118d6d0683679d3bde35a6.exe"C:\Users\Admin\AppData\Local\Temp\27555c805777443fad6022dfb73353c02ec3a229ad118d6d0683679d3bde35a6.exe"1⤵
- System Location Discovery: System Language Discovery
- 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 "pzyecfa" /tr '"C:\Users\Admin\AppData\Roaming\pzyecfa.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "pzyecfa" /tr '"C:\Users\Admin\AppData\Roaming\pzyecfa.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp35EB.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\pzyecfa.exe"C:\Users\Admin\AppData\Roaming\pzyecfa.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\pzyecfa.exe"C:\Users\Admin\AppData\Roaming\pzyecfa.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp35EB.tmp.bat
pzyecfa.exe
memory/2544-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp
memory/2544-1-0x0000000000910000-0x0000000000922000-memory.dmp
memory/2544-2-0x0000000074DE0000-0x000000007559C000-memory.dmp
memory/2544-3-0x0000000005390000-0x000000000542C000-memory.dmp
memory/2544-8-0x0000000074DE0000-0x000000007559C000-memory.dmp
memory/6108-12-0x0000000074C10000-0x00000000753CC000-memory.dmp
memory/6108-14-0x0000000074C10000-0x00000000753CC000-memory.dmp