Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 16:49
Behavioral task
behavioral1
Sample
eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe
Resource
win11ltsc2024-20260709-en
General
- Target eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe
- Size 45KB
- Sample260804-vbzlsasza1
- SHA256 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28
- MD5 ca16fa4e15776ac7f5df606d0fe39725
- SHA1 04052e07374feb41ce27bbff50693fc25e5d989d
- SHA512 a8e2e4163edc0530720d3c6dd32f8f16df7a6465505a209a2b4bd18b594b7205bd9a23f64d4ae142170b9cb85305193c201a3af64b47dcb590934e509752d6c3
- SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1fLiE02FjMdjYkkmPIwzjbGgX3i/3rBSxbTtqKqDoN6:cuR0JTPjY2SL9wQPw3bZXS/r8b5qpoV0
- TLSH T1F2232B003BE9812BF2BE4F78A8F26145867AF6732603D64E1CC451DB5613BC69643AFD
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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sas-cdn.com:80
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sas-cdn.com:22
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sas-cdn.com:8080
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sas-cdn.com:8880
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sas-cdn.com:2052
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sas-cdn.com:2082
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sas-cdn.com:2086
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sas-cdn.com:2095
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sas-cdn.com:443
-
sas-cdn.com:2053
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sas-cdn.com:2083
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sas-cdn.com:2087
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sas-cdn.com:2096
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sas-cdn.com:8443
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www.sas-cdn.com:80
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www.sas-cdn.com:22
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www.sas-cdn.com:8080
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www.sas-cdn.com:8880
-
www.sas-cdn.com:2052
-
www.sas-cdn.com:2082
-
www.sas-cdn.com:2086
-
www.sas-cdn.com:2095
-
www.sas-cdn.com:443
-
www.sas-cdn.com:2053
-
www.sas-cdn.com:2083
-
www.sas-cdn.com:2087
-
www.sas-cdn.com:2096
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www.sas-cdn.com:8443
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blaster.sas-cdn.com:80
-
blaster.sas-cdn.com:22
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blaster.sas-cdn.com:8080
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blaster.sas-cdn.com:8880
-
blaster.sas-cdn.com:2052
-
blaster.sas-cdn.com:2082
-
blaster.sas-cdn.com:2086
-
blaster.sas-cdn.com:2095
-
blaster.sas-cdn.com:443
-
blaster.sas-cdn.com:2053
-
blaster.sas-cdn.com:2083
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blaster.sas-cdn.com:2087
-
blaster.sas-cdn.com:2096
-
blaster.sas-cdn.com:8443
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ryuk.sas-cdn.com:80
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ryuk.sas-cdn.com:22
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ryuk.sas-cdn.com:8080
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ryuk.sas-cdn.com:8880
-
ryuk.sas-cdn.com:2052
-
ryuk.sas-cdn.com:2082
-
ryuk.sas-cdn.com:2086
-
ryuk.sas-cdn.com:2095
-
ryuk.sas-cdn.com:443
-
ryuk.sas-cdn.com:2053
-
ryuk.sas-cdn.com:2083
-
ryuk.sas-cdn.com:2087
-
ryuk.sas-cdn.com:2096
-
ryuk.sas-cdn.com:8443
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remcos.sas-cdn.com:80
-
remcos.sas-cdn.com:22
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remcos.sas-cdn.com:8080
-
remcos.sas-cdn.com:8880
-
remcos.sas-cdn.com:2052
-
remcos.sas-cdn.com:2082
-
remcos.sas-cdn.com:2086
-
remcos.sas-cdn.com:2095
-
remcos.sas-cdn.com:443
-
remcos.sas-cdn.com:2053
-
remcos.sas-cdn.com:2083
-
remcos.sas-cdn.com:2087
-
remcos.sas-cdn.com:2096
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remcos.sas-cdn.com:8443
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dtVbhjFbOhxh
-
delay
0
-
install
true
-
install_file
26e5.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x00080000000245c0-8.dat family_asyncrat behavioral1/memory/4340-10-0x0000000005490000-0x00000000054A0000-memory.dmp 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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe - Executes dropped EXE 2 IoCs
pid Process 4340 26e5.exe 3884 26e5.exe - Outbound SSH connection to public host 2 TTPs 1 IoCs
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
description flow ioc pid Process SSH destination 57 79.127.134.229:22 4340 26e5.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 1600 cmd.exe 2156 cmd.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 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 26e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 26e5.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4276 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 3368 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe Token: SeDebugPrivilege 4340 26e5.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 992 wrote to memory of 1600 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 85 PID 992 wrote to memory of 2156 992 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe 87 PID 2156 wrote to memory of 4276 2156 cmd.exe 89 PID 1600 wrote to memory of 3368 1600 cmd.exe 90 PID 2156 wrote to memory of 3884 2156 cmd.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe"C:\Users\Admin\AppData\Local\Temp\eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "26e5" /tr '"C:\Users\Admin\AppData\Roaming\26e5.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "26e5" /tr '"C:\Users\Admin\AppData\Roaming\26e5.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3368
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1D86.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4276
-
-
C:\Users\Admin\AppData\Roaming\26e5.exe"C:\Users\Admin\AppData\Roaming\26e5.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3884
-
-
-
C:\Users\Admin\AppData\Roaming\26e5.exe"C:\Users\Admin\AppData\Roaming\26e5.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4340
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp1D86.tmp.bat
- Size 148B
- SHA256 18c839a0366856e6622b7d098d6ce85d41e3e95d4590a3c73e41ad04c016ad9e
- MD5 18499658b23de5b6503456ab1d55f8c6
- SHA1 20906d0e11af132241bb47bb1e5262f53eb98dc1
- SHA512 415d8007ef0cfcd6782bc51756639a56acc0e7f2f680da68461fa47b00e98278d077e84158cc935ae93e63358813949559b288b85bdfdd8bdee21cb7886404b1
- TLSH T189C02B4256CAEA5F3809245302FAD8CD91726C1A3F80FF00C304800D228084CF0D9345
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\26e5.exe
- Size 45KB
- SHA256 eace789eee1435b5610930e0ca4b3ca6744af73656ab53c8fa0606b180e77a28
- MD5 ca16fa4e15776ac7f5df606d0fe39725
- SHA1 04052e07374feb41ce27bbff50693fc25e5d989d
- SHA512 a8e2e4163edc0530720d3c6dd32f8f16df7a6465505a209a2b4bd18b594b7205bd9a23f64d4ae142170b9cb85305193c201a3af64b47dcb590934e509752d6c3
- SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1fLiE02FjMdjYkkmPIwzjbGgX3i/3rBSxbTtqKqDoN6:cuR0JTPjY2SL9wQPw3bZXS/r8b5qpoV0
- TLSH T1F2232B003BE9812BF2BE4F78A8F26145867AF6732603D64E1CC451DB5613BC69643AFD
- MD5 SHA1 SHA512 SSDEEP TLSH