Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 17:29
Behavioral task
behavioral1
Sample
31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe
Resource
win11ltsc2024-20260709-en
General
- Target 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe
- Size 45KB
- Sample260804-v2sk6attd1
- SHA256 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848
- MD5 dab3a6148ab304a35c39632a3cb409ef
- SHA1 4e6de9805f404aed79265c34d862142e34305d35
- SHA512 6551f444dc5fccd63c82c2ee01e28cc6352e29cafd38edcac84177e283102d5e4486979701931295fce8e564751073f38ac6b1fa7bb31ae7059a301c6653dcd1
- SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAHBjusyQowsPIWzjbDgX3Z8kbrJYKArNBDZMx:kuSOpTPOP2XBjuxZwRW3bcXJ8k/4/dMx
- TLSH T10B232B003BE9C13BF2BE4F7899F26145867AB2632603D54E1CC441DB5623FC69A826FD
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
pod8ca.top:80
-
pod8ca.top:22
-
pod8ca.top:8080
-
pod8ca.top:8880
-
pod8ca.top:2052
-
pod8ca.top:2082
-
pod8ca.top:2086
-
pod8ca.top:2095
-
pod8ca.top:443
-
pod8ca.top:2053
-
pod8ca.top:2083
-
pod8ca.top:2087
-
pod8ca.top:2096
-
pod8ca.top:8443
-
www.pod8ca.top:80
-
www.pod8ca.top:22
-
www.pod8ca.top:8080
-
www.pod8ca.top:8880
-
www.pod8ca.top:2052
-
www.pod8ca.top:2082
-
www.pod8ca.top:2086
-
www.pod8ca.top:2095
-
www.pod8ca.top:443
-
www.pod8ca.top:2053
-
www.pod8ca.top:2083
-
www.pod8ca.top:2087
-
www.pod8ca.top:2096
-
www.pod8ca.top:8443
-
cryptolocker.pod8ca.top:80
-
cryptolocker.pod8ca.top:22
-
cryptolocker.pod8ca.top:8080
-
cryptolocker.pod8ca.top:8880
-
cryptolocker.pod8ca.top:2052
-
cryptolocker.pod8ca.top:2082
-
cryptolocker.pod8ca.top:2086
-
cryptolocker.pod8ca.top:2095
-
cryptolocker.pod8ca.top:443
-
cryptolocker.pod8ca.top:2053
-
cryptolocker.pod8ca.top:2083
-
cryptolocker.pod8ca.top:2087
-
cryptolocker.pod8ca.top:2096
-
cryptolocker.pod8ca.top:8443
-
melissa.pod8ca.top:80
-
melissa.pod8ca.top:22
-
melissa.pod8ca.top:8080
-
melissa.pod8ca.top:8880
-
melissa.pod8ca.top:2052
-
melissa.pod8ca.top:2082
-
melissa.pod8ca.top:2086
-
melissa.pod8ca.top:2095
-
melissa.pod8ca.top:443
-
melissa.pod8ca.top:2053
-
melissa.pod8ca.top:2083
-
melissa.pod8ca.top:2087
-
melissa.pod8ca.top:2096
-
melissa.pod8ca.top:8443
-
blacklotus.pod8ca.top:80
-
blacklotus.pod8ca.top:22
-
blacklotus.pod8ca.top:8080
-
blacklotus.pod8ca.top:8880
-
blacklotus.pod8ca.top:2052
-
blacklotus.pod8ca.top:2082
-
blacklotus.pod8ca.top:2086
-
blacklotus.pod8ca.top:2095
-
blacklotus.pod8ca.top:443
-
blacklotus.pod8ca.top:2053
-
blacklotus.pod8ca.top:2083
-
blacklotus.pod8ca.top:2087
-
blacklotus.pod8ca.top:2096
-
blacklotus.pod8ca.top:8443
-
gootloader.pod8ca.top:80
-
gootloader.pod8ca.top:22
-
gootloader.pod8ca.top:8080
-
gootloader.pod8ca.top:8880
-
gootloader.pod8ca.top:2052
-
gootloader.pod8ca.top:2082
-
gootloader.pod8ca.top:2086
-
gootloader.pod8ca.top:2095
-
gootloader.pod8ca.top:443
-
gootloader.pod8ca.top:2053
-
gootloader.pod8ca.top:2083
-
gootloader.pod8ca.top:2087
-
gootloader.pod8ca.top:2096
-
gootloader.pod8ca.top:8443
-
CxShO8eZno9s
-
delay
0
-
install
true
-
install_file
at5s.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001c607-10.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 3952 at5s.exe 1940 at5s.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 6588 cmd.exe 3808 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language at5s.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language at5s.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.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 - Delays execution with timeout.exe 1 IoCs
pid Process 6372 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 4936 schtasks.exe - Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe Token: SeDebugPrivilege 3952 at5s.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 7152 wrote to memory of 6588 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 91 PID 7152 wrote to memory of 3808 7152 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe 93 PID 3808 wrote to memory of 6372 3808 cmd.exe 95 PID 6588 wrote to memory of 4936 6588 cmd.exe 96 PID 3808 wrote to memory of 1940 3808 cmd.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe"C:\Users\Admin\AppData\Local\Temp\31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:7152 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "at5s" /tr '"C:\Users\Admin\AppData\Roaming\at5s.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6588 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "at5s" /tr '"C:\Users\Admin\AppData\Roaming\at5s.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4936
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6509.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:6372
-
-
C:\Users\Admin\AppData\Roaming\at5s.exe"C:\Users\Admin\AppData\Roaming\at5s.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1940
-
-
-
C:\Users\Admin\AppData\Roaming\at5s.exe"C:\Users\Admin\AppData\Roaming\at5s.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3952
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp6509.tmp.bat
- Size 148B
- SHA256 5c7d021c5f26c11be5333edc0cdcd9446647d699ad67e1ac53e11a70040cdcac
- MD5 b29dac47f9c68a5805376573565a402a
- SHA1 136177f607f6f3b6226c8a90795369215a384b97
- SHA512 43545b081850ec6d16601bcad0d4f9a612bf81ed71819d1f8b67f3435cb689ac73f5cd136ea44f4dd95943e74ec95cb12b0d07accb4c036de5238fc3eebce488
- TLSH T126C08C4295C6AA1E2905145322BA958C91627CAA3F40BB00930885091680888E499281
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\at5s.exe
- Size 45KB
- SHA256 31ff174a8ca9b0817f76fffea806e6367ae4968a5cc77bbfcca4c16cfd158848
- MD5 dab3a6148ab304a35c39632a3cb409ef
- SHA1 4e6de9805f404aed79265c34d862142e34305d35
- SHA512 6551f444dc5fccd63c82c2ee01e28cc6352e29cafd38edcac84177e283102d5e4486979701931295fce8e564751073f38ac6b1fa7bb31ae7059a301c6653dcd1
- SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAHBjusyQowsPIWzjbDgX3Z8kbrJYKArNBDZMx:kuSOpTPOP2XBjuxZwRW3bcXJ8k/4/dMx
- TLSH T10B232B003BE9C13BF2BE4F7899F26145867AB2632603D54E1CC441DB5623FC69A826FD
- MD5 SHA1 SHA512 SSDEEP TLSH