Analysis
- max time kernel
149s - max time network
151s - 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, 15:47
Behavioral task
behavioral1
Sample
bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe
Resource
win11ltsc2024-20260709-en
General
- Target bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe
- Size 45KB
- Sample260804-s8k4jsteqa
- SHA256 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2
- MD5 f2da840648fde8917faf18b84c92404d
- SHA1 1e22527a41a3e851c66c7fb9e008530b1e3ef28c
- SHA512 9275708137bdfae64c2b727fdfad5c4bfba41f463283930929ac767f3c57d9fa56b06e1fb7c0c8c37788bad842b52a300856d1cf8434d80270e0d794413335de
- SSDEEP 768:EulCJTHESwgWUK3aGmo2q95dR3aI6OPIuzjb3gY3io2aCWeQKtIASBDZsx:EulCJTHl42mjqb3u3bQYSo2nplsdsx
- TLSH T1B9232B0037E8812BF2BE4F7899F26245867EF6633603D68A1CC4519B5613FC69A426ED
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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asyncrat
-
0.5.8
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Default
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sexviet41.com:80
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sexviet41.com:22
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sexviet41.com:8080
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sexviet41.com:8880
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sexviet41.com:2052
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sexviet41.com:2082
-
sexviet41.com:2086
-
sexviet41.com:2095
-
sexviet41.com:443
-
sexviet41.com:2053
-
sexviet41.com:2083
-
sexviet41.com:2087
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sexviet41.com:2096
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sexviet41.com:8443
-
www.sexviet41.com:80
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www.sexviet41.com:22
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www.sexviet41.com:8080
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www.sexviet41.com:8880
-
www.sexviet41.com:2052
-
www.sexviet41.com:2082
-
www.sexviet41.com:2086
-
www.sexviet41.com:2095
-
www.sexviet41.com:443
-
www.sexviet41.com:2053
-
www.sexviet41.com:2083
-
www.sexviet41.com:2087
-
www.sexviet41.com:2096
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www.sexviet41.com:8443
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industroyer.sexviet41.com:80
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industroyer.sexviet41.com:22
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industroyer.sexviet41.com:8080
-
industroyer.sexviet41.com:8880
-
industroyer.sexviet41.com:2052
-
industroyer.sexviet41.com:2082
-
industroyer.sexviet41.com:2086
-
industroyer.sexviet41.com:2095
-
industroyer.sexviet41.com:443
-
industroyer.sexviet41.com:2053
-
industroyer.sexviet41.com:2083
-
industroyer.sexviet41.com:2087
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industroyer.sexviet41.com:2096
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industroyer.sexviet41.com:8443
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trickbot.sexviet41.com:80
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trickbot.sexviet41.com:22
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trickbot.sexviet41.com:8080
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trickbot.sexviet41.com:8880
-
trickbot.sexviet41.com:2052
-
trickbot.sexviet41.com:2082
-
trickbot.sexviet41.com:2086
-
trickbot.sexviet41.com:2095
-
trickbot.sexviet41.com:443
-
trickbot.sexviet41.com:2053
-
trickbot.sexviet41.com:2083
-
trickbot.sexviet41.com:2087
-
trickbot.sexviet41.com:2096
-
trickbot.sexviet41.com:8443
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formbook.sexviet41.com:80
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formbook.sexviet41.com:22
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formbook.sexviet41.com:8080
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formbook.sexviet41.com:8880
-
formbook.sexviet41.com:2052
-
formbook.sexviet41.com:2082
-
formbook.sexviet41.com:2086
-
formbook.sexviet41.com:2095
-
formbook.sexviet41.com:443
-
formbook.sexviet41.com:2053
-
formbook.sexviet41.com:2083
-
formbook.sexviet41.com:2087
-
formbook.sexviet41.com:2096
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formbook.sexviet41.com:8443
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RY6JHY1SWU4k
-
delay
0
-
install
true
-
install_file
5r0tai.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x00080000000244c2-8.dat family_asyncrat behavioral1/memory/4276-10-0x0000000004C60000-0x0000000004C70000-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-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe - Executes dropped EXE 2 IoCs
pid Process 4276 5r0tai.exe 5004 5r0tai.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 19 104.21.0.94:22 4276 5r0tai.exe SSH destination 29 172.67.185.154:22 4276 5r0tai.exe SSH destination 52 104.21.0.94:22 4276 5r0tai.exe SSH destination 64 172.67.185.154:22 4276 5r0tai.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 1464 cmd.exe 4992 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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5r0tai.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5r0tai.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 2884 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 4952 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe Token: SeDebugPrivilege 4276 5r0tai.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2332 wrote to memory of 1464 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 86 PID 2332 wrote to memory of 4992 2332 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe 88 PID 4992 wrote to memory of 2884 4992 cmd.exe 90 PID 1464 wrote to memory of 4952 1464 cmd.exe 91 PID 4992 wrote to memory of 5004 4992 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe"C:\Users\Admin\AppData\Local\Temp\bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "5r0tai" /tr '"C:\Users\Admin\AppData\Roaming\5r0tai.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "5r0tai" /tr '"C:\Users\Admin\AppData\Roaming\5r0tai.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4952
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAD23.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2884
-
-
C:\Users\Admin\AppData\Roaming\5r0tai.exe"C:\Users\Admin\AppData\Roaming\5r0tai.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5004
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-
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C:\Users\Admin\AppData\Roaming\5r0tai.exe"C:\Users\Admin\AppData\Roaming\5r0tai.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4276
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\tmpAD23.tmp.bat
- Size 150B
- SHA256 0bfd14a8636d6fde944e8eaec9c33208b28365ce91211127ab2724e43d278cb1
- MD5 4fd12849e5b6ee411e7f3b3fe8997986
- SHA1 c23ab7ec5b77610cb90b315c716d4ee3f46aeee7
- SHA512 f0c0ca520497860e1f063866f2762b30e9a8e3982378ef3a361d5a907b4fc444f1bc305e747e7cf6dd6e278d150876b0e5f013598941893d073dedbb86c6488e
- TLSH T181C02B8252C5EE0E2806242312FAD48DD5726C5D3F40FB01D308820D678086CF0DD381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\5r0tai.exe
- Size 45KB
- SHA256 bbe501d0546ce55242a83033598124daab6e6345dd05256be80a90f10c5008f2
- MD5 f2da840648fde8917faf18b84c92404d
- SHA1 1e22527a41a3e851c66c7fb9e008530b1e3ef28c
- SHA512 9275708137bdfae64c2b727fdfad5c4bfba41f463283930929ac767f3c57d9fa56b06e1fb7c0c8c37788bad842b52a300856d1cf8434d80270e0d794413335de
- SSDEEP 768:EulCJTHESwgWUK3aGmo2q95dR3aI6OPIuzjb3gY3io2aCWeQKtIASBDZsx:EulCJTHl42mjqb3u3bQYSo2nplsdsx
- TLSH T1B9232B0037E8812BF2BE4F7899F26245867EF6633603D68A1CC4519B5613FC69A426ED
- MD5 SHA1 SHA512 SSDEEP TLSH