Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
09/05/2026, 18:06
Behavioral task
behavioral1
Sample
Standoff2.exe
Resource
win10v2004-20260130-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
Standoff2.exe
Resource
win11-20260130-en
10 signatures
150 seconds
General
- Target Standoff2.exe
- Size 47KB
- Sample260509-wpqfpsew2j
- SHA256 daecdbdd8f384fba0acdab967c01d48e0b41cfa2369730fab15ad9357697b56c
- MD5 55dd2ff3b3bc49076fe95eb238ec273c
- SHA1 c72195453f92bfd95a588e0b0426cc023d6c60fd
- SHA512 1c7e0121faf4369cdb29bd69f8de125c3ae2cbca6fdb443825cf5bf776c9fb97111ef85fc95e642e6954b42b8472ae4e139281aa80b42054687b68d3cc08f33d
- SSDEEP 768:EuyxNTAoZjRWUJd9bmo2qLIQ3JUn+JtVPIj6eurq0bmRosOnYlmagWV4zQHW6Pth:EuyxNTAGL2GJtyj6Pr1bmRAY8aTKzA1h
- TLSH T178234D0437E9812BF2BF4F7458F22245857BF5633603D64E2CC4429B4A13FC29A52AFA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
C2
-
heart-volunteers.gl.at.ply.gg:10631
Mutex
-
5ShT94r5IE8V
Attributes
-
delay
3
-
install
true
-
install_file
Winhost.exe
-
install_folder
%AppData%
aes.plain
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x001f00000002b13e-11.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 4832 Winhost.exe 2508 Winhost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 Standoff2.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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Winhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Winhost.exe - Delays execution with timeout.exe 1 IoCs
pid Process 916 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 1584 schtasks.exe - Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe 748 Standoff2.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 748 Standoff2.exe Token: SeDebugPrivilege 4832 Winhost.exe Token: SeDebugPrivilege 4832 Winhost.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 748 wrote to memory of 2832 748 Standoff2.exe 81 PID 748 wrote to memory of 648 748 Standoff2.exe 83 PID 648 wrote to memory of 916 648 cmd.exe 85 PID 2832 wrote to memory of 1584 2832 cmd.exe 86 PID 648 wrote to memory of 2508 648 cmd.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\Standoff2.exe"C:\Users\Admin\AppData\Local\Temp\Standoff2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Winhost" /tr '"C:\Users\Admin\AppData\Roaming\Winhost.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "Winhost" /tr '"C:\Users\Admin\AppData\Roaming\Winhost.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1584
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp13B2.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:648 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:916
-
-
C:\Users\Admin\AppData\Roaming\Winhost.exe"C:\Users\Admin\AppData\Roaming\Winhost.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2508
-
-
-
C:\Users\Admin\AppData\Roaming\Winhost.exe"C:\Users\Admin\AppData\Roaming\Winhost.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4832
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp13B2.tmp.bat
- Size 151B
- SHA256 b9e409d7d3c05793aee1f0e16d810ae7d3f053e05e51701e37eb2cfbee28b54e
- MD5 4b30beb9f8a70c25f32da558edec5731
- SHA1 0a96df536ee209dbc43084f974cd6742a5412b94
- SHA512 0c8e219f89a196b6a89e7d43e44ff9504f0b8b5ce01da2d27a0cb3540627dc12afe18919b908355adb2ec58d0d7b0b9f1235874fd0f12bcdc37d70c58ff4a5af
- TLSH T189C02B8251CAEA0EAD092C1306FFD49C92B76D1D3F40BF50C308804D568044DF0DA38A
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Winhost.exe
- Size 47KB
- SHA256 daecdbdd8f384fba0acdab967c01d48e0b41cfa2369730fab15ad9357697b56c
- MD5 55dd2ff3b3bc49076fe95eb238ec273c
- SHA1 c72195453f92bfd95a588e0b0426cc023d6c60fd
- SHA512 1c7e0121faf4369cdb29bd69f8de125c3ae2cbca6fdb443825cf5bf776c9fb97111ef85fc95e642e6954b42b8472ae4e139281aa80b42054687b68d3cc08f33d
- SSDEEP 768:EuyxNTAoZjRWUJd9bmo2qLIQ3JUn+JtVPIj6eurq0bmRosOnYlmagWV4zQHW6Pth:EuyxNTAGL2GJtyj6Pr1bmRAY8aTKzA1h
- TLSH T178234D0437E9812BF2BF4F7458F22245857BF5633603D64E2CC4429B4A13FC29A52AFA
- MD5 SHA1 SHA512 SSDEEP TLSH