Analysis
- max time kernel
149s - max time network
153s - 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, 12:27
Behavioral task
behavioral1
Sample
b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe
Resource
win11ltsc2024-20260709-en
General
- Target b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe
- Size 45KB
- Sample260804-pm286azhkh
- SHA256 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87
- MD5 8def1378e303f40151a5f2ef53de5dd7
- SHA1 969cec4c244e1eebbb0bebdf3f5d22207ad80bf5
- SHA512 cf8d8d9433187da538beba6cc78b71c040e1fd4558684e106ee187a93e6181490da40d135c1a70fb79cbc6645407e5126ba5fe7174fcab0afb4b74dc9e766e9d
- SSDEEP 768:5udApTNctooWUS7C+mo2qtXCXtTt/PIIzjbfgX3iBQ4x6QIDHhf+f5X2k9xgAhfW:5udApTNmU2gwuI3boXSBXI7hf4xtd0x
- TLSH T123231B003BE9822BF2BE4F78A9F25145857AF6673603D5492CC441DB5623FC68A427FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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sextin.org:80
-
sextin.org:22
-
sextin.org:8080
-
sextin.org:8880
-
sextin.org:2052
-
sextin.org:2082
-
sextin.org:2086
-
sextin.org:2095
-
sextin.org:443
-
sextin.org:2053
-
sextin.org:2083
-
sextin.org:2087
-
sextin.org:2096
-
sextin.org:8443
-
www.sextin.org:80
-
www.sextin.org:22
-
www.sextin.org:8080
-
www.sextin.org:8880
-
www.sextin.org:2052
-
www.sextin.org:2082
-
www.sextin.org:2086
-
www.sextin.org:2095
-
www.sextin.org:443
-
www.sextin.org:2053
-
www.sextin.org:2083
-
www.sextin.org:2087
-
www.sextin.org:2096
-
www.sextin.org:8443
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klez.sextin.org:80
-
klez.sextin.org:22
-
klez.sextin.org:8080
-
klez.sextin.org:8880
-
klez.sextin.org:2052
-
klez.sextin.org:2082
-
klez.sextin.org:2086
-
klez.sextin.org:2095
-
klez.sextin.org:443
-
klez.sextin.org:2053
-
klez.sextin.org:2083
-
klez.sextin.org:2087
-
klez.sextin.org:2096
-
klez.sextin.org:8443
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darkside.sextin.org:80
-
darkside.sextin.org:22
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darkside.sextin.org:8080
-
darkside.sextin.org:8880
-
darkside.sextin.org:2052
-
darkside.sextin.org:2082
-
darkside.sextin.org:2086
-
darkside.sextin.org:2095
-
darkside.sextin.org:443
-
darkside.sextin.org:2053
-
darkside.sextin.org:2083
-
darkside.sextin.org:2087
-
darkside.sextin.org:2096
-
darkside.sextin.org:8443
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revil.sextin.org:80
-
revil.sextin.org:22
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revil.sextin.org:8080
-
revil.sextin.org:8880
-
revil.sextin.org:2052
-
revil.sextin.org:2082
-
revil.sextin.org:2086
-
revil.sextin.org:2095
-
revil.sextin.org:443
-
revil.sextin.org:2053
-
revil.sextin.org:2083
-
revil.sextin.org:2087
-
revil.sextin.org:2096
-
revil.sextin.org:8443
-
TkbsljO5Sh6X
-
delay
0
-
install
true
-
install_file
ruqwg1.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x000800000002458e-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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe - Executes dropped EXE 2 IoCs
pid Process 4992 ruqwg1.exe 4464 ruqwg1.exe - Outbound SSH connection to public host 2 TTPs 2 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 37 172.67.195.161:22 4992 ruqwg1.exe SSH destination 22 104.21.12.195:22 4992 ruqwg1.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 4360 cmd.exe 2656 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 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 ruqwg1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ruqwg1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4996 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 764 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe Token: SeDebugPrivilege 4992 ruqwg1.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1660 wrote to memory of 2656 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 84 PID 1660 wrote to memory of 4360 1660 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe 86 PID 4360 wrote to memory of 4996 4360 cmd.exe 88 PID 2656 wrote to memory of 764 2656 cmd.exe 89 PID 4360 wrote to memory of 4464 4360 cmd.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe"C:\Users\Admin\AppData\Local\Temp\b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ruqwg1" /tr '"C:\Users\Admin\AppData\Roaming\ruqwg1.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "ruqwg1" /tr '"C:\Users\Admin\AppData\Roaming\ruqwg1.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:764
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5D2E.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4360 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4996
-
-
C:\Users\Admin\AppData\Roaming\ruqwg1.exe"C:\Users\Admin\AppData\Roaming\ruqwg1.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4464
-
-
-
C:\Users\Admin\AppData\Roaming\ruqwg1.exe"C:\Users\Admin\AppData\Roaming\ruqwg1.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4992
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\tmp5D2E.tmp.bat
- Size 150B
- SHA256 c9fabf38ab0a3a18fb876ffea5b733d2fb3c1fbc5716f3f48e46b90c2a91768e
- MD5 93bc9c417da5d01a808fa2ec137b76dd
- SHA1 10bdf3677f22e5116af2e5ca8bdcbb98443bca0e
- SHA512 500dfe6268f3384880f36e6e6e934ceaa7f785e52b70a2d633c8bb35fd77395a53665fd5e675b49ca9d359da0459785dc5f59c82c778c3655556a015bd479f70
- TLSH T1ADC02B5252C9EF0F2C09245303FADE8C92766D1E3F80BB40D308400E32C045CF0EA341
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\ruqwg1.exe
- Size 45KB
- SHA256 b7d20b8754895c332393df24e4289ea5a630c7c18ff3f00d656468fc519e2c87
- MD5 8def1378e303f40151a5f2ef53de5dd7
- SHA1 969cec4c244e1eebbb0bebdf3f5d22207ad80bf5
- SHA512 cf8d8d9433187da538beba6cc78b71c040e1fd4558684e106ee187a93e6181490da40d135c1a70fb79cbc6645407e5126ba5fe7174fcab0afb4b74dc9e766e9d
- SSDEEP 768:5udApTNctooWUS7C+mo2qtXCXtTt/PIIzjbfgX3iBQ4x6QIDHhf+f5X2k9xgAhfW:5udApTNmU2gwuI3boXSBXI7hf4xtd0x
- TLSH T123231B003BE9822BF2BE4F78A9F25145857AF6673603D5492CC441DB5623FC68A427FE
- MD5 SHA1 SHA512 SSDEEP TLSH