Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
11/07/2026, 04:39
General
- Target 4888a535ee9543a38579ba2839aaa4fc152f4bebd61a7d0d04fb46fec529bef3.exe
- Size 45KB
- Sample260711-e96jzsbx8l
- SHA256 4888a535ee9543a38579ba2839aaa4fc152f4bebd61a7d0d04fb46fec529bef3
Malware Config
Extracted
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asyncrat
-
0.5.8
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Default
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s.damsex.blog:80
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s.damsex.blog:22
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s.damsex.blog:8080
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s.damsex.blog:8880
-
s.damsex.blog:2052
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s.damsex.blog:2082
-
s.damsex.blog:2086
-
s.damsex.blog:2095
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s.damsex.blog:443
-
s.damsex.blog:2053
-
s.damsex.blog:2083
-
s.damsex.blog:2087
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s.damsex.blog:2096
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s.damsex.blog:8443
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www.s.damsex.blog:80
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www.s.damsex.blog:22
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www.s.damsex.blog:8080
-
www.s.damsex.blog:8880
-
www.s.damsex.blog:2052
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www.s.damsex.blog:2082
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QKvWyWXXR78Z
-
delay
0
-
install
true
-
install_file
d2rf.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 29 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4888a535ee9543a38579ba2839aaa4fc152f4bebd61a7d0d04fb46fec529bef3.exe"C:\Users\Admin\AppData\Local\Temp\4888a535ee9543a38579ba2839aaa4fc152f4bebd61a7d0d04fb46fec529bef3.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 "d2rf" /tr '"C:\Users\Admin\AppData\Roaming\d2rf.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 "d2rf" /tr '"C:\Users\Admin\AppData\Roaming\d2rf.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\tmpFC9B.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\d2rf.exe"C:\Users\Admin\AppData\Roaming\d2rf.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\d2rf.exe"C:\Users\Admin\AppData\Roaming\d2rf.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
tmpFC9B.tmp.bat
d2rf.exe
memory/3144-0-0x00000000751E2000-0x00000000751E3000-memory.dmp
memory/3144-1-0x00000000009C0000-0x00000000009D2000-memory.dmp
memory/3144-2-0x00000000751D0000-0x000000007598C000-memory.dmp
memory/3144-3-0x0000000005510000-0x00000000055AC000-memory.dmp
memory/3144-8-0x00000000751D0000-0x000000007598C000-memory.dmp
memory/4512-12-0x0000000075060000-0x000000007581C000-memory.dmp
memory/4512-14-0x0000000075060000-0x000000007581C000-memory.dmp