asyncrat | 96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/07/2026, 11:15

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General

Target
96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
Size 45KB
Sample260710-nctnlabs4y
SHA256 96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a
MD5 ae76cca221a0757d3b706c4192b9cf34
SHA1 423c37e2a3c91d9cda18cff6dc85b22e531ec041
SHA512 1a85a2ad44b0bd2ba4675f5de9990439bde9c2254b28f1268df6567f7914c5bdadc58dd58415e2daf8015ad122ac25184e9fea92d7f107e4a0f363e2bcf728cb
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1LT2QAm7PI1QjbJgX3ioY5McO495Va6yYOM5BDZW:cu6YepTPso2JT1YbGXSoHj4xa6yY5ndW
TLSH
T1C6231B003BE98137F2BE4FB8A8F25145867AF5633603D5496CC451DB5623FC68A426FE
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

phimxxxhd.com:80
phimxxxhd.com:22
phimxxxhd.com:8080
phimxxxhd.com:8880
phimxxxhd.com:2052
phimxxxhd.com:2082
phimxxxhd.com:2086
phimxxxhd.com:2095
phimxxxhd.com:443
phimxxxhd.com:2053
phimxxxhd.com:2083
phimxxxhd.com:2087
phimxxxhd.com:2096
phimxxxhd.com:8443
www.phimxxxhd.com:80
www.phimxxxhd.com:22
www.phimxxxhd.com:8080
www.phimxxxhd.com:8880
www.phimxxxhd.com:2052
www.phimxxxhd.com:2082
www.phimxxxhd.com:2086
www.phimxxxhd.com:2095
www.phimxxxhd.com:443
www.phimxxxhd.com:2053
www.phimxxxhd.com:2083
www.phimxxxhd.com:2087
www.phimxxxhd.com:2096
www.phimxxxhd.com:8443
melissa.phimxxxhd.com:80
melissa.phimxxxhd.com:22
melissa.phimxxxhd.com:8080
melissa.phimxxxhd.com:8880
melissa.phimxxxhd.com:2052
melissa.phimxxxhd.com:2082
melissa.phimxxxhd.com:2086
melissa.phimxxxhd.com:2095
melissa.phimxxxhd.com:443
melissa.phimxxxhd.com:2053
melissa.phimxxxhd.com:2083
melissa.phimxxxhd.com:2087
melissa.phimxxxhd.com:2096
melissa.phimxxxhd.com:8443
malware.phimxxxhd.com:80
malware.phimxxxhd.com:22
malware.phimxxxhd.com:8080
malware.phimxxxhd.com:8880
malware.phimxxxhd.com:2052
malware.phimxxxhd.com:2082
malware.phimxxxhd.com:2086
malware.phimxxxhd.com:2095
malware.phimxxxhd.com:443
malware.phimxxxhd.com:2053
malware.phimxxxhd.com:2083
malware.phimxxxhd.com:2087
malware.phimxxxhd.com:2096
malware.phimxxxhd.com:8443
stuxnet.phimxxxhd.com:80
stuxnet.phimxxxhd.com:22
stuxnet.phimxxxhd.com:8080
stuxnet.phimxxxhd.com:8880
stuxnet.phimxxxhd.com:2052
stuxnet.phimxxxhd.com:2082
stuxnet.phimxxxhd.com:2086
stuxnet.phimxxxhd.com:2095
stuxnet.phimxxxhd.com:443
stuxnet.phimxxxhd.com:2053
stuxnet.phimxxxhd.com:2083
stuxnet.phimxxxhd.com:2087
stuxnet.phimxxxhd.com:2096
stuxnet.phimxxxhd.com:8443

Mutex

HKU65BOZuP5a

Attributes

delay
0
install
true
install_file
r94lfov9.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/0x000d00000001c536-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2584	r94lfov9.exe
4952	r94lfov9.exe

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

System Information Discovery
T1082

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	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	r94lfov9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	r94lfov9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2344	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
3440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
Token: SeDebugPrivilege	2584	r94lfov9.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5880 wrote to memory of 5112	5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe	87
PID 5880 wrote to memory of 3252	5880	96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe	89
PID 5112 wrote to memory of 3440	5112	cmd.exe	91
PID 3252 wrote to memory of 2344	3252	cmd.exe	92
PID 3252 wrote to memory of 4952	3252	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe
"C:\Users\Admin\AppData\Local\Temp\96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5880
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "r94lfov9" /tr '"C:\Users\Admin\AppData\Roaming\r94lfov9.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "r94lfov9" /tr '"C:\Users\Admin\AppData\Roaming\r94lfov9.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3440
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4694.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3252
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2344
- - C:\Users\Admin\AppData\Roaming\r94lfov9.exe
    "C:\Users\Admin\AppData\Roaming\r94lfov9.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4952

C:\Users\Admin\AppData\Roaming\r94lfov9.exe
"C:\Users\Admin\AppData\Roaming\r94lfov9.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2584

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

tmp4694.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4694.tmp.bat
Size 152B
SHA256 d0451d370fd939b064c6093626a1d362a582c96485b8a0181187bb9db05c6f1c
MD5 d54a0a4e8a3b0060dfc39a4c882422c2
SHA1 3b1bf6d43e38a280cb4587e34e1925d5298cedde
SHA512 462ffb1f34334337320eb21ab861db91a3c83509bcd01765ad712266343fa79ad666764f1b007fe04da0c987e1e619ba2fddcb24df870e205e78cd6e3d1c4d02
TLSH
T13CC08C5656C5FA4E2905242306BA988C92A27A193E40AB409704404F2680858F0D9241
MD5 SHA1 SHA512 TLSH

Submit Download

r94lfov9.exe

Path C:\Users\Admin\AppData\Roaming\r94lfov9.exe
Size 45KB
SHA256 96fb7b4b2f2e7d6b5fb34d17da3911d6c592290dbf0242b239dfeace48a5269a
MD5 ae76cca221a0757d3b706c4192b9cf34
SHA1 423c37e2a3c91d9cda18cff6dc85b22e531ec041
SHA512 1a85a2ad44b0bd2ba4675f5de9990439bde9c2254b28f1268df6567f7914c5bdadc58dd58415e2daf8015ad122ac25184e9fea92d7f107e4a0f363e2bcf728cb
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1LT2QAm7PI1QjbJgX3ioY5McO495Va6yYOM5BDZW:cu6YepTPso2JT1YbGXSoHj4xa6yY5ndW
TLSH
T1C6231B003BE98137F2BE4FB8A8F25145867AF5633603D5496CC451DB5623FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2584-12-0x0000000074B70000-0x000000007532C000-memory.dmp

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memory/2584-14-0x0000000074B70000-0x000000007532C000-memory.dmp

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memory/5880-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

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memory/5880-1-0x0000000000110000-0x0000000000122000-memory.dmp

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memory/5880-2-0x0000000074CE0000-0x000000007549C000-memory.dmp

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memory/5880-3-0x0000000004B80000-0x0000000004C1C000-memory.dmp

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memory/5880-8-0x0000000074CE0000-0x000000007549C000-memory.dmp

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