Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/08/2026, 08:35
Behavioral task
behavioral1
Sample
6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe
Resource
win11ltsc2024-20260709-en
General
- Target 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe
- Size 45KB
- Sample260803-khgpfaeg39
- SHA256 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2
- MD5 61ed1f8f051f58751c73ddaa858feb60
- SHA1 36ac312f0e8ce8638b6a2698b7345a15a55e6dd1
- SHA512 1378f14cac346975b3951f8143658fa4a369d8f1a444967cc980bbec91108cf3630210562bf51cc2c909c24101435e8bfaad10a30c3804308a718cdec45f5a70
- SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q12FpPklON8APIDzjbG1gX3i1M9QNoXiKugOo0DB0:cu6YepTPso2f7kwN8lD3bGSXS+QnLRo3
- TLSH T163232B003BE9812BF2BE4F7899F26105867AF6636603DA4D1CC451DB5723FC29A426ED
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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sextin.org:80
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sextin.org:22
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sextin.org:8080
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sextin.org:8880
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sextin.org:2052
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sextin.org:2082
-
sextin.org:2086
-
sextin.org:2095
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sextin.org:443
-
sextin.org:2053
-
sextin.org:2083
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sextin.org:2087
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sextin.org:2096
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sextin.org:8443
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www.sextin.org:80
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www.sextin.org:22
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www.sextin.org:8080
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www.sextin.org:8880
-
www.sextin.org:2052
-
www.sextin.org:2082
-
www.sextin.org:2086
-
www.sextin.org:2095
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www.sextin.org:443
-
www.sextin.org:2053
-
www.sextin.org:2083
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www.sextin.org:2087
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www.sextin.org:2096
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www.sextin.org:8443
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connect.sextin.org:80
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connect.sextin.org:22
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connect.sextin.org:8080
-
connect.sextin.org:8880
-
connect.sextin.org:2052
-
connect.sextin.org:2082
-
connect.sextin.org:2086
-
connect.sextin.org:2095
-
connect.sextin.org:443
-
connect.sextin.org:2053
-
connect.sextin.org:2083
-
connect.sextin.org:2087
-
connect.sextin.org:2096
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connect.sextin.org:8443
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hacker.sextin.org:80
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hacker.sextin.org:22
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hacker.sextin.org:8080
-
hacker.sextin.org:8880
-
hacker.sextin.org:2052
-
hacker.sextin.org:2082
-
hacker.sextin.org:2086
-
hacker.sextin.org:2095
-
hacker.sextin.org:443
-
hacker.sextin.org:2053
-
hacker.sextin.org:2083
-
hacker.sextin.org:2087
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hacker.sextin.org:2096
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hacker.sextin.org:8443
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remote.sextin.org:80
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remote.sextin.org:22
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remote.sextin.org:8080
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remote.sextin.org:8880
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remote.sextin.org:2052
-
remote.sextin.org:2082
-
remote.sextin.org:2086
-
remote.sextin.org:2095
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remote.sextin.org:443
-
remote.sextin.org:2053
-
remote.sextin.org:2083
-
remote.sextin.org:2087
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remote.sextin.org:2096
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remote.sextin.org:8443
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ryuk.sextin.org:80
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ryuk.sextin.org:22
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ryuk.sextin.org:8080
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ryuk.sextin.org:8880
-
ryuk.sextin.org:2052
-
ryuk.sextin.org:2082
-
ryuk.sextin.org:2086
-
ryuk.sextin.org:2095
-
ryuk.sextin.org:443
-
ryuk.sextin.org:2053
-
ryuk.sextin.org:2083
-
ryuk.sextin.org:2087
-
ryuk.sextin.org:2096
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ryuk.sextin.org:8443
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Hvmu5kpXf4OL
-
delay
0
-
install
true
-
install_file
nd9zuavy.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x00080000000245f4-8.dat family_asyncrat behavioral1/memory/5020-10-0x0000000005240000-0x0000000005250000-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-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe - Executes dropped EXE 2 IoCs
pid Process 5020 nd9zuavy.exe 2832 nd9zuavy.exe - Outbound SSH connection to public host 2 TTPs 4 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 18 104.21.12.195:22 5020 nd9zuavy.exe SSH destination 23 172.67.195.161:22 5020 nd9zuavy.exe SSH destination 30 104.21.12.195:22 5020 nd9zuavy.exe SSH destination 38 172.67.195.161:22 5020 nd9zuavy.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 4280 cmd.exe 1144 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 nd9zuavy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.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 nd9zuavy.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3656 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 4052 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe Token: SeDebugPrivilege 5020 nd9zuavy.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4496 wrote to memory of 4280 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 85 PID 4496 wrote to memory of 1144 4496 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe 87 PID 1144 wrote to memory of 3656 1144 cmd.exe 89 PID 4280 wrote to memory of 4052 4280 cmd.exe 90 PID 1144 wrote to memory of 2832 1144 cmd.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe"C:\Users\Admin\AppData\Local\Temp\6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nd9zuavy" /tr '"C:\Users\Admin\AppData\Roaming\nd9zuavy.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "nd9zuavy" /tr '"C:\Users\Admin\AppData\Roaming\nd9zuavy.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4052
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2882.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3656
-
-
C:\Users\Admin\AppData\Roaming\nd9zuavy.exe"C:\Users\Admin\AppData\Roaming\nd9zuavy.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2832
-
-
-
C:\Users\Admin\AppData\Roaming\nd9zuavy.exe"C:\Users\Admin\AppData\Roaming\nd9zuavy.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5020
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\tmp2882.tmp.bat
- Size 152B
- SHA256 1d677b99b36d0aa936456f192e5e9fa44ad3f29fa930b255798673f67771af58
- MD5 6bcf65bb6fb7a9e0106acbd955ff164b
- SHA1 8cd41ae9ca80e8108cffae77a49ecb3ae776c8e6
- SHA512 51be816eed3867805b37307826dccc2f16ac80086e9ac5671eaf8ac09a9996525d09d59cc2fb1f9ed8a8293b444764bec1dcaae25472661ff6717718f2f8fc44
- TLSH T1B1C02B92B1C5EE6E2C0D14130EFAD4DDE2766CA93F40BB40C348400D778084DF0DA381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\nd9zuavy.exe
- Size 45KB
- SHA256 6fe64d4296c7d8ec93c35b02a8d3bd04ae7683d26d90ac433d03f38bb68325a2
- MD5 61ed1f8f051f58751c73ddaa858feb60
- SHA1 36ac312f0e8ce8638b6a2698b7345a15a55e6dd1
- SHA512 1378f14cac346975b3951f8143658fa4a369d8f1a444967cc980bbec91108cf3630210562bf51cc2c909c24101435e8bfaad10a30c3804308a718cdec45f5a70
- SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q12FpPklON8APIDzjbG1gX3i1M9QNoXiKugOo0DB0:cu6YepTPso2f7kwN8lD3bGSXS+QnLRo3
- TLSH T163232B003BE9812BF2BE4F7899F26105867AF6636603DA4D1CC451DB5723FC29A426ED
- MD5 SHA1 SHA512 SSDEEP TLSH