asyncrat | 236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/07/2026, 11:31

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
Size 45KB
Sample260720-nmst2sgv5p
SHA256 236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d
MD5 39e7aec4dd2c3b82c5255313fc8c102b
SHA1 4a1a07e52ccc63e5ff4e5f23845fafc8c37491c1
SHA512 d5c187a8ce24712403be6a01c7f84021b98bf4f4c6f57f295cecbe81ce79543378b912de582b525e2a87d094cbd065909abf400aa1543a96840f2df81a75200f
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1VVkIpeUGcPIkzjbUgX30xWIiwMfvnnBDZUx:cuR0JTPjY2wVL4UGhk3b7XExMJfvnBdW
TLSH
T1EA232B003BE8822BF2BE4F7899F26145867AF6633603D54A1CC451DB5723FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

podvis.top:80
podvis.top:22
podvis.top:8080
podvis.top:8880
podvis.top:2052
podvis.top:2082
podvis.top:2086
podvis.top:2095
podvis.top:443
podvis.top:2053
podvis.top:2083
podvis.top:2087
podvis.top:2096
podvis.top:8443
www.podvis.top:80
www.podvis.top:22
www.podvis.top:8080
www.podvis.top:8880
www.podvis.top:2052
www.podvis.top:2082
www.podvis.top:2086
www.podvis.top:2095
www.podvis.top:443
www.podvis.top:2053
www.podvis.top:2083
www.podvis.top:2087
www.podvis.top:2096
www.podvis.top:8443
nanocore.podvis.top:80
nanocore.podvis.top:22
nanocore.podvis.top:8080
nanocore.podvis.top:8880
nanocore.podvis.top:2052
nanocore.podvis.top:2082
nanocore.podvis.top:2086
nanocore.podvis.top:2095
nanocore.podvis.top:443
nanocore.podvis.top:2053
nanocore.podvis.top:2083
nanocore.podvis.top:2087
nanocore.podvis.top:2096
nanocore.podvis.top:8443
invasive.podvis.top:80
invasive.podvis.top:22
invasive.podvis.top:8080
invasive.podvis.top:8880
invasive.podvis.top:2052
invasive.podvis.top:2082
invasive.podvis.top:2086
invasive.podvis.top:2095
invasive.podvis.top:443
invasive.podvis.top:2053
invasive.podvis.top:2083
invasive.podvis.top:2087
invasive.podvis.top:2096
invasive.podvis.top:8443
malware.podvis.top:80
malware.podvis.top:22
malware.podvis.top:8080
malware.podvis.top:8880
malware.podvis.top:2052
malware.podvis.top:2082
malware.podvis.top:2086
malware.podvis.top:2095
malware.podvis.top:443
malware.podvis.top:2053
malware.podvis.top:2083
malware.podvis.top:2087
malware.podvis.top:2096
malware.podvis.top:8443

Mutex

VynxviWTZfiQ

Attributes

delay
0
install
true
install_file
f4nt.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000d00000001c53c-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4752	f4nt.exe
2704	f4nt.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

execution

Windows Command Shell

T1059.003

pid	Process
4604	cmd.exe
5476	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.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	f4nt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4nt.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3220	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.

persistence execution

Scheduled Task

T1053.005

pid	Process
3600	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 4604	5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe	89
PID 5000 wrote to memory of 5476	5000	236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe	91
PID 5476 wrote to memory of 3220	5476	cmd.exe	93
PID 4604 wrote to memory of 3600	4604	cmd.exe	94
PID 5476 wrote to memory of 2704	5476	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe
"C:\Users\Admin\AppData\Local\Temp\236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "f4nt" /tr '"C:\Users\Admin\AppData\Roaming\f4nt.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4604
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "f4nt" /tr '"C:\Users\Admin\AppData\Roaming\f4nt.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3600
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5877.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5476
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3220
- - C:\Users\Admin\AppData\Roaming\f4nt.exe
    "C:\Users\Admin\AppData\Roaming\f4nt.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2704

C:\Users\Admin\AppData\Roaming\f4nt.exe
"C:\Users\Admin\AppData\Roaming\f4nt.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4752

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

tmp5877.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5877.tmp.bat
Size 148B
SHA256 65598e9d5d67904898b99387c1e11c878cd563af2088a231ab451411d839be56
MD5 adff73f03795eefaba63b40ccbcf31b2
SHA1 5c0535a97e13be27643f4fb57ae9a55124ff0c8e
SHA512 ce347ecb39281750f7ac2a74b5000fe3a37dab05bb2ba10d7f1da3c24c0875eccf0eca05b00ed7ac3d388d432ab43ed0e920da98b814b7d728e0d858af1b408d
TLSH
T1D0C02B4361C5EA1E28052C2303FAD9CCD2766C6A3F80BB40C784440E528044DF0DE341
MD5 SHA1 SHA512 TLSH

Submit Download

f4nt.exe

Path C:\Users\Admin\AppData\Roaming\f4nt.exe
Size 45KB
SHA256 236893edda5dd4ce429bc0a81891f64050f6fda0199250d3128cb16e5047192d
MD5 39e7aec4dd2c3b82c5255313fc8c102b
SHA1 4a1a07e52ccc63e5ff4e5f23845fafc8c37491c1
SHA512 d5c187a8ce24712403be6a01c7f84021b98bf4f4c6f57f295cecbe81ce79543378b912de582b525e2a87d094cbd065909abf400aa1543a96840f2df81a75200f
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1VVkIpeUGcPIkzjbUgX30xWIiwMfvnnBDZUx:cuR0JTPjY2wVL4UGhk3b7XExMJfvnBdW
TLSH
T1EA232B003BE8822BF2BE4F7899F26145867AF6633603D54A1CC451DB5723FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4752-12-0x00000000748B0000-0x000000007506C000-memory.dmp

Download

memory/4752-14-0x00000000748B0000-0x000000007506C000-memory.dmp

Download

memory/5000-0-0x00000000748C2000-0x00000000748C3000-memory.dmp

Download

memory/5000-1-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

Download

memory/5000-2-0x00000000748B0000-0x000000007506C000-memory.dmp

Download

memory/5000-3-0x0000000005530000-0x00000000055CC000-memory.dmp

Download

memory/5000-9-0x00000000748B0000-0x000000007506C000-memory.dmp

Download