Analysis
- max time kernel
62s - max time network
64s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/07/2026, 20:00
Behavioral task
behavioral1
Sample
5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1.exe
Resource
win11ltsc2024-20260709-en
General
- Target 5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1.exe
- Size 47KB
- Sample260722-yre4vsbh34
- SHA256 5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1
- MD5 8e30fd3073706e0f8f35dda6c059da0a
- SHA1 34225bf783237a2cf50d80d19124f14a4f0bb647
- SHA512 b7556ca2d577478704098cb9929a1b6486cd407fedf6597446a426bf809de8755e03bb8eee001b09aa9d7d9791b2686ba68ab9a694173103b55fb22cb85f3f59
- SSDEEP 768:sue21TYQZ3VWU1ymhbvmo2qjjrsMylh/xRPI25F6AV0bqYvsSx/1cuBROSaqBDZW:sue21TYiFhN2u8lhQ25F6AibqYvsu5b2
- TLSH T190233C003BE9813AF2BE4F74A9F22146867BF6772603D54D2CC442975A13BC58D526FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
www.loto188b.uk.com:6606
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www.loto188b.uk.com:80
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www.loto188b.uk.com:8080
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www.loto188b.uk.com:443
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www.loto188b.uk.com:8443
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www.loto188b.uk.com:22
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www.loto188b.uk.com:23
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yfe.uk.com:6606
-
yfe.uk.com:80
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yfe.uk.com:8080
-
yfe.uk.com:443
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yfe.uk.com:8443
-
yfe.uk.com:22
-
yfe.uk.com:23
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12Vx1gIsUYMU
-
delay
3
-
install
true
-
install_file
GoogleUpdate.exe
-
install_folder
%Temp%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001c612-11.dat family_asyncrat - 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 2724 cmd.exe 4556 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1.exe - Delays execution with timeout.exe 1 IoCs
pid Process 5924 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 3100 schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1.exe"C:\Users\Admin\AppData\Local\Temp\5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1.exe"1⤵
- System Location Discovery: System Language Discovery
PID:5696 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"' & exit2⤵
- Executes a command shell one-liner
PID:2724 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:3100
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFF84.tmp.bat""2⤵
- Executes a command shell one-liner
PID:4556 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:5924
-
-
C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"3⤵PID:1208
-
-
-
C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"1⤵PID:1504
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe
- Size 47KB
- SHA256 5a555e71a2b7792b22a5307e7fc8500755d403e4652cf5e2748e836bde59e9e1
- MD5 8e30fd3073706e0f8f35dda6c059da0a
- SHA1 34225bf783237a2cf50d80d19124f14a4f0bb647
- SHA512 b7556ca2d577478704098cb9929a1b6486cd407fedf6597446a426bf809de8755e03bb8eee001b09aa9d7d9791b2686ba68ab9a694173103b55fb22cb85f3f59
- SSDEEP 768:sue21TYQZ3VWU1ymhbvmo2qjjrsMylh/xRPI25F6AV0bqYvsSx/1cuBROSaqBDZW:sue21TYiFhN2u8lhQ25F6AibqYvsu5b2
- TLSH T190233C003BE9813AF2BE4F74A9F22146867BF6772603D54D2CC442975A13BC58D526FE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmpFF84.tmp.bat
- Size 159B
- SHA256 65cb36ed5d0d419f92f2c9a74f252e33efc4ce448b0cb1e02be4d58dd3cc16fd
- MD5 92cde5e67926fba04a5b65a43871a81d
- SHA1 6cbda06586822260cafac51b09e65976197be2c9
- SHA512 1b3c95a4e29acbaad2b38713d3c27828488d6b2a564510a80a6cbbc1a2eb589960368fa72a51a1edd55f6cc1be9fc1acca649eadcc6d084cb4f8ed44de9612cc
- TLSH T124C08C43A1C6EA6F1808681B11BAD58EE1B62C1D3E4ABB108314881A2280899E9E9382
- MD5 SHA1 SHA512 TLSH