Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
18/04/2026, 14:12
General
- Target f3c4cf2e7c91b00914d22d155c27fca2763532fec88680e0d595f86c9ed42ecc.exe
- Size 45KB
- Sample260418-rhvdvsbt7x
- SHA256 f3c4cf2e7c91b00914d22d155c27fca2763532fec88680e0d595f86c9ed42ecc
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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khuibudkhaitet.com:443
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khuibudkhaitet.com:80
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www.khuibudkhaitet.com:443
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www.khuibudkhaitet.com:80
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ursnif.khuibudkhaitet.com:443
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ursnif.khuibudkhaitet.com:80
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dridex.khuibudkhaitet.com:443
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dridex.khuibudkhaitet.com:80
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nfXBoSeC3h5q
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delay
0
-
install
true
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install_file
xeue9ql.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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 23 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f3c4cf2e7c91b00914d22d155c27fca2763532fec88680e0d595f86c9ed42ecc.exe"C:\Users\Admin\AppData\Local\Temp\f3c4cf2e7c91b00914d22d155c27fca2763532fec88680e0d595f86c9ed42ecc.exe"1⤵
- Checks computer location settings
- 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 "xeue9ql" /tr '"C:\Users\Admin\AppData\Roaming\xeue9ql.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 "xeue9ql" /tr '"C:\Users\Admin\AppData\Roaming\xeue9ql.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\tmp2778.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\xeue9ql.exe"C:\Users\Admin\AppData\Roaming\xeue9ql.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\xeue9ql.exe"C:\Users\Admin\AppData\Roaming\xeue9ql.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
tmp2778.tmp.bat
xeue9ql.exe
memory/1664-14-0x0000000004E30000-0x00000000050B1000-memory.dmp
memory/1664-15-0x00000000050C0000-0x0000000005673000-memory.dmp
memory/4360-16-0x0000000005540000-0x00000000057C1000-memory.dmp
memory/4360-17-0x00000000057D0000-0x0000000005D83000-memory.dmp
memory/4876-0-0x0000000000DA0000-0x0000000000DB2000-memory.dmp
memory/4876-1-0x0000000005FE0000-0x0000000005FF0000-memory.dmp
memory/4876-2-0x0000000005FF0000-0x000000000608C000-memory.dmp
memory/4876-7-0x00000000056F0000-0x0000000005971000-memory.dmp
memory/4876-8-0x0000000005980000-0x0000000005F33000-memory.dmp