Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
13/10/2026, 03:25
Behavioral task
behavioral1
Sample
c50aaeeb818ba3fd.bin.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
c50aaeeb818ba3fd.bin.exe
Resource
win11ltsc2024-20260911-en
General
- Target c50aaeeb818ba3fd.bin.exe
- Size 47KB
- Sample261013-dyr2saws7p
- SHA256 c50aaeeb818ba3fd2ff56ff05702286ee3700461f84d2b499a0de2a4c99f5cdc
- MD5 910177419aed4b21f118570eff5aad7b
- SHA1 510ab5bb200382c18cd35af659f5317ac7c6b62f
- SHA512 03fc6149ed7cfb336730eb2bf8cf7d1ce4c07084eb3141f784a325448e3256873a02142297863c501d5558c7c572eb41f7871a1c7b27ac68d5054c9696b8d4f4
- SSDEEP 768:YuYHKTsufqG9vSLjWUvlPRmo2qbMEht18wmoFcPIrUOJtaO0bsc2vkfnNwdFGVk5:YuYHKTsjMvSX2/EhFmoFhrjJ8bsXgnNO
- TLSH T1BB233B002BE8C127F2BE4F7499F221558577F2633603DA4D1CC8469A5B13FC696926FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
ariesit.in
-
ariesit.in:443
-
M1XvkblDfp9O
-
delay
3
-
install
true
-
install_file
ChromeUpdate.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x000400000001ebf1-9.dat family_asyncrat - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\International\Geo\Nation c50aaeeb818ba3fd.bin.exe - Executes dropped EXE 2 IoCs
pid Process 4244 ChromeUpdate.exe 5100 ChromeUpdate.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5104 cmd.exe 3372 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain c50aaeeb818ba3fd.bin.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname ChromeUpdate.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain ChromeUpdate.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname c50aaeeb818ba3fd.bin.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c50aaeeb818ba3fd.bin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ChromeUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ChromeUpdate.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4116 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 368 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe 556 c50aaeeb818ba3fd.bin.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 556 c50aaeeb818ba3fd.bin.exe Token: SeDebugPrivilege 4244 ChromeUpdate.exe Token: SeDebugPrivilege 4244 ChromeUpdate.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 556 wrote to memory of 5104 556 c50aaeeb818ba3fd.bin.exe 95 PID 556 wrote to memory of 3372 556 c50aaeeb818ba3fd.bin.exe 97 PID 5104 wrote to memory of 368 5104 cmd.exe 99 PID 3372 wrote to memory of 4116 3372 cmd.exe 100 PID 3372 wrote to memory of 5100 3372 cmd.exe 107
Processes
-
C:\Users\Admin\AppData\Local\Temp\c50aaeeb818ba3fd.bin.exe"C:\Users\Admin\AppData\Local\Temp\c50aaeeb818ba3fd.bin.exe"1⤵
- Checks computer location settings
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ChromeUpdate" /tr '"C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "ChromeUpdate" /tr '"C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:368
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE3A4.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4116
-
-
C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5100
-
-
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C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4244
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpE3A4.tmp.bat
- Size 156B
- SHA256 40c1e35bdbd66e145148d6811d39e30e0927977cd32b1b43b73cad402dd310e7
- MD5 4dd509ca54585c9d73c490571687e79d
- SHA1 f689c6eaaede86ab08243ec76a51aef04b068805
- SHA512 3c17017c3dff2c0bd4671ccec9c45e6ed8fa467dfed50d80664cdabc255fee61884b9d98fd6172766ad64d17b763932c02f57e11532652cae15595a297c870f3
- TLSH T18BC08C5251C6EE5E6806641302BA948C95A26C5A3E48AB008304840A6280888F89E382
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
- Size 47KB
- SHA256 c50aaeeb818ba3fd2ff56ff05702286ee3700461f84d2b499a0de2a4c99f5cdc
- MD5 910177419aed4b21f118570eff5aad7b
- SHA1 510ab5bb200382c18cd35af659f5317ac7c6b62f
- SHA512 03fc6149ed7cfb336730eb2bf8cf7d1ce4c07084eb3141f784a325448e3256873a02142297863c501d5558c7c572eb41f7871a1c7b27ac68d5054c9696b8d4f4
- SSDEEP 768:YuYHKTsufqG9vSLjWUvlPRmo2qbMEht18wmoFcPIrUOJtaO0bsc2vkfnNwdFGVk5:YuYHKTsjMvSX2/EhFmoFhrjJ8bsXgnNO
- TLSH T1BB233B002BE8C127F2BE4F7499F221558577F2633603DA4D1CC8469A5B13FC696926FE
- MD5 SHA1 SHA512 SSDEEP TLSH