Analysis
- max time kernel
149s - max time network
150s - 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, 10:34
Behavioral task
behavioral1
Sample
84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe
Resource
win11ltsc2024-20260709-en
General
- Target 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe
- Size 45KB
- Sample260804-mmjeyacq21
- SHA256 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21
- MD5 3cfe6303e5f641d49a8bceaae274490c
- SHA1 991c877d54e1d7ce28278d2b1c542651b10eb533
- SHA512 02d639106be7083a51bcb1c68caa638b838efb288d66c824cdd7b68d68c6239540542c54a6f428bd9c9248114c5f789cdb6e37a36ecdbec39337703352bc1e88
- SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qN1O5QSCBzHSNjPI7zjbYgX3iAQYtW0Jwxl+deWJQ:5uSy6pTpoo2kO59ESK73bPXSDsW0JwxK
- TLSH T195232A003BE8812BF2BE4F78A9F26145467EF2637603D5492CC451DB5713FC69A42AEE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
sex18.me:80
-
sex18.me:22
-
sex18.me:8080
-
sex18.me:8880
-
sex18.me:2052
-
sex18.me:2082
-
sex18.me:2086
-
sex18.me:2095
-
sex18.me:443
-
sex18.me:2053
-
sex18.me:2083
-
sex18.me:2087
-
sex18.me:2096
-
sex18.me:8443
-
www.sex18.me:80
-
www.sex18.me:22
-
www.sex18.me:8080
-
www.sex18.me:8880
-
www.sex18.me:2052
-
www.sex18.me:2082
-
www.sex18.me:2086
-
www.sex18.me:2095
-
www.sex18.me:443
-
www.sex18.me:2053
-
www.sex18.me:2083
-
www.sex18.me:2087
-
www.sex18.me:2096
-
www.sex18.me:8443
-
client.sex18.me:80
-
client.sex18.me:22
-
client.sex18.me:8080
-
client.sex18.me:8880
-
client.sex18.me:2052
-
client.sex18.me:2082
-
client.sex18.me:2086
-
client.sex18.me:2095
-
client.sex18.me:443
-
client.sex18.me:2053
-
client.sex18.me:2083
-
client.sex18.me:2087
-
client.sex18.me:2096
-
client.sex18.me:8443
-
melissa.sex18.me:80
-
melissa.sex18.me:22
-
melissa.sex18.me:8080
-
melissa.sex18.me:8880
-
melissa.sex18.me:2052
-
melissa.sex18.me:2082
-
melissa.sex18.me:2086
-
melissa.sex18.me:2095
-
melissa.sex18.me:443
-
melissa.sex18.me:2053
-
melissa.sex18.me:2083
-
melissa.sex18.me:2087
-
melissa.sex18.me:2096
-
melissa.sex18.me:8443
-
wannacry.sex18.me:80
-
wannacry.sex18.me:22
-
wannacry.sex18.me:8080
-
wannacry.sex18.me:8880
-
wannacry.sex18.me:2052
-
wannacry.sex18.me:2082
-
wannacry.sex18.me:2086
-
wannacry.sex18.me:2095
-
wannacry.sex18.me:443
-
wannacry.sex18.me:2053
-
wannacry.sex18.me:2083
-
wannacry.sex18.me:2087
-
wannacry.sex18.me:2096
-
wannacry.sex18.me:8443
-
cTmBiV6U8G1A
-
delay
0
-
install
true
-
install_file
kxk9hix.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x00090000000243e7-8.dat family_asyncrat behavioral1/memory/4256-13-0x0000000002A50000-0x0000000002A60000-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-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe - Executes dropped EXE 2 IoCs
pid Process 4256 kxk9hix.exe 3940 kxk9hix.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 13 69.48.229.117:22 4256 kxk9hix.exe SSH destination 14 69.48.229.117:22 4256 kxk9hix.exe SSH destination 19 69.48.229.117:22 4256 kxk9hix.exe SSH destination 59 69.48.229.117:22 4256 kxk9hix.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 2804 cmd.exe 4232 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 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.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 kxk9hix.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kxk9hix.exe - Delays execution with timeout.exe 1 IoCs
pid Process 2076 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 2428 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe Token: SeDebugPrivilege 4256 kxk9hix.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2920 wrote to memory of 2804 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 85 PID 2920 wrote to memory of 4232 2920 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe 87 PID 4232 wrote to memory of 2076 4232 cmd.exe 89 PID 2804 wrote to memory of 2428 2804 cmd.exe 90 PID 4232 wrote to memory of 3940 4232 cmd.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe"C:\Users\Admin\AppData\Local\Temp\84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "kxk9hix" /tr '"C:\Users\Admin\AppData\Roaming\kxk9hix.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "kxk9hix" /tr '"C:\Users\Admin\AppData\Roaming\kxk9hix.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2428
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp408E.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2076
-
-
C:\Users\Admin\AppData\Roaming\kxk9hix.exe"C:\Users\Admin\AppData\Roaming\kxk9hix.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3940
-
-
-
C:\Users\Admin\AppData\Roaming\kxk9hix.exe"C:\Users\Admin\AppData\Roaming\kxk9hix.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4256
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\tmp408E.tmp.bat
- Size 151B
- SHA256 22ac577688445b31718726efe12a66346969323ef16b962558da541ef6998807
- MD5 96122a31f22c00ab53d5fc4041e86591
- SHA1 d62a253b42f1746586ea8a1b4dc6c1f34af4c8d9
- SHA512 ec11b8be8e69e95922ce23889ebd4d053eee65ac6201d5b7d38b176c0309a463b7998f0169d844d044c5d561974c842c2ffcff986149f98feadf7a7a862f25f2
- TLSH T1D9C02B5251C5EA0F380974531BFFDCCE9172BD1A3F40BB10C709448D6280488F0DA381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\kxk9hix.exe
- Size 45KB
- SHA256 84c25af665e4023d7be02f01a64cfb0e800a31adfdef66be92d6e262c1043c21
- MD5 3cfe6303e5f641d49a8bceaae274490c
- SHA1 991c877d54e1d7ce28278d2b1c542651b10eb533
- SHA512 02d639106be7083a51bcb1c68caa638b838efb288d66c824cdd7b68d68c6239540542c54a6f428bd9c9248114c5f789cdb6e37a36ecdbec39337703352bc1e88
- SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qN1O5QSCBzHSNjPI7zjbYgX3iAQYtW0Jwxl+deWJQ:5uSy6pTpoo2kO59ESK73bPXSDsW0JwxK
- TLSH T195232A003BE8812BF2BE4F78A9F26145467EF2637603D5492CC451DB5713FC69A42AEE
- MD5 SHA1 SHA512 SSDEEP TLSH