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, 12:44
Behavioral task
behavioral1
Sample
b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe
Resource
win11ltsc2024-20260709-en
General
- Target b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe
- Size 45KB
- Sample260804-pyyeca1bqd
- SHA256 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15
- MD5 287c23e118a0a1cbe256c111bd1a6ed3
- SHA1 b553f165a16447b68438af4ffafac3bb4173573c
- SHA512 7410df274aace8d97120f7bfbac866f9cb1275314c111c4dc29ef74948fc5835a1df9fede8bd4516ca70eeabd215e40fe266c4ae4b189d558faaad3a23025aa9
- SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFV3HE4eVoOPIGjzjbWg53infeA40Uaqr6WPBDZUx:cu7e5TH2A2EU1o3Gj3bJ5Snr40UZ5dUx
- TLSH T1FB233A003BE8822BF2BE4F7899F26145467AF6A37603D54A1CC451DB5713BC6CA426FE
- 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
-
sextin.org:2052
-
sextin.org:2082
-
sextin.org:2086
-
sextin.org:2095
-
sextin.org:443
-
sextin.org:2053
-
sextin.org:2083
-
sextin.org:2087
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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
-
malware.sextin.org:80
-
malware.sextin.org:22
-
malware.sextin.org:8080
-
malware.sextin.org:8880
-
malware.sextin.org:2052
-
malware.sextin.org:2082
-
malware.sextin.org:2086
-
malware.sextin.org:2095
-
malware.sextin.org:443
-
malware.sextin.org:2053
-
malware.sextin.org:2083
-
malware.sextin.org:2087
-
malware.sextin.org:2096
-
malware.sextin.org:8443
-
connect.sextin.org:80
-
connect.sextin.org:22
-
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
-
connect.sextin.org:8443
-
invasive.sextin.org:80
-
invasive.sextin.org:22
-
invasive.sextin.org:8080
-
invasive.sextin.org:8880
-
invasive.sextin.org:2052
-
invasive.sextin.org:2082
-
invasive.sextin.org:2086
-
invasive.sextin.org:2095
-
invasive.sextin.org:443
-
invasive.sextin.org:2053
-
invasive.sextin.org:2083
-
invasive.sextin.org:2087
-
invasive.sextin.org:2096
-
invasive.sextin.org:8443
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CDTTTAJF7KbS
-
delay
0
-
install
true
-
install_file
di84m.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x000300000001e68e-8.dat family_asyncrat behavioral1/memory/4296-10-0x00000000050F0000-0x0000000005100000-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-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe - Executes dropped EXE 2 IoCs
pid Process 4296 di84m.exe 4236 di84m.exe - Outbound SSH connection to public host 2 TTPs 3 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 22 104.21.12.195:22 4296 di84m.exe SSH destination 35 172.67.195.161:22 4296 di84m.exe SSH destination 70 104.21.12.195:22 4296 di84m.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 1240 cmd.exe 1592 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 di84m.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.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 di84m.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4596 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 3792 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe Token: SeDebugPrivilege 4296 di84m.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 676 wrote to memory of 1240 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 87 PID 676 wrote to memory of 1592 676 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe 89 PID 1592 wrote to memory of 4596 1592 cmd.exe 91 PID 1240 wrote to memory of 3792 1240 cmd.exe 92 PID 1592 wrote to memory of 4236 1592 cmd.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe"C:\Users\Admin\AppData\Local\Temp\b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:676 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "di84m" /tr '"C:\Users\Admin\AppData\Roaming\di84m.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "di84m" /tr '"C:\Users\Admin\AppData\Roaming\di84m.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3792
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6E74.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4596
-
-
C:\Users\Admin\AppData\Roaming\di84m.exe"C:\Users\Admin\AppData\Roaming\di84m.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4236
-
-
-
C:\Users\Admin\AppData\Roaming\di84m.exe"C:\Users\Admin\AppData\Roaming\di84m.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4296
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\tmp6E74.tmp.bat
- Size 149B
- SHA256 0e2dee3eab8643d364f388da72cbac3929bd5660c43ffbb8258b8c4b626e6b09
- MD5 9acb6f6ce1919626db15fde4a9f88650
- SHA1 d04f423a01f6d580a7290bf37abcc0eb20f58be8
- SHA512 23c9aded43e0b6b9864b33672d3bd74e141309fd0fbf9f8bb4d9e66e6ec29f18d0d06a372a5d491b5e4353fd04746fc00d73bab1601b20a285f53627739a3bf8
- TLSH T11BC02B5795C5EA8E380D141303FBE58D9172BC2A3F84BF50CF04440E1280448F4DA381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\di84m.exe
- Size 45KB
- SHA256 b1e9c39f0020218ecf4a2c854e7b74fbdd0c13e6a0c820503248ed2af909bc15
- MD5 287c23e118a0a1cbe256c111bd1a6ed3
- SHA1 b553f165a16447b68438af4ffafac3bb4173573c
- SHA512 7410df274aace8d97120f7bfbac866f9cb1275314c111c4dc29ef74948fc5835a1df9fede8bd4516ca70eeabd215e40fe266c4ae4b189d558faaad3a23025aa9
- SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFV3HE4eVoOPIGjzjbWg53infeA40Uaqr6WPBDZUx:cu7e5TH2A2EU1o3Gj3bJ5Snr40UZ5dUx
- TLSH T1FB233A003BE8822BF2BE4F7899F26145467AF6A37603D54A1CC451DB5713BC6CA426FE
- MD5 SHA1 SHA512 SSDEEP TLSH