asyncrat | 0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234

Analysis

max time kernel
148s
max time network
144s
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, 11:59

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General

Target
0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
Size 45KB
Sample260710-n55asscs4v
SHA256 0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234
MD5 7e6c8920231d8c3d44b6bd04dd2130c1
SHA1 99503c46f84a8038cc5ac599fb819432e705695f
SHA512 a9e3c706269abd916072c1a1038138df415eca47a670a31484880990cda3b3699aa6af0872177a7567b2f4eab1710839e1d4252b5d2432df0046c124d88e6b93
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9QOJwwiyCNjPIbzjbngX3lueol0rfC1u9TbjjBDZsx:EufspTf2g2JOJLaKb3bgX1IurYu1jldu
TLSH
T1C3231A003BE8812BF2BE4F7898F26145467AF6637603D54A2CC451DB5613FC6DA42AFD
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

phimsexvn.work:80
phimsexvn.work:22
phimsexvn.work:8080
phimsexvn.work:8880
phimsexvn.work:2052
phimsexvn.work:2082
phimsexvn.work:2086
phimsexvn.work:2095
phimsexvn.work:443
phimsexvn.work:2053
phimsexvn.work:2083
phimsexvn.work:2087
phimsexvn.work:2096
phimsexvn.work:8443
www.phimsexvn.work:80
www.phimsexvn.work:22
www.phimsexvn.work:8080
www.phimsexvn.work:8880
www.phimsexvn.work:2052
www.phimsexvn.work:2082
www.phimsexvn.work:2086
www.phimsexvn.work:2095
www.phimsexvn.work:443
www.phimsexvn.work:2053
www.phimsexvn.work:2083
www.phimsexvn.work:2087
www.phimsexvn.work:2096
www.phimsexvn.work:8443
mirai.phimsexvn.work:80
mirai.phimsexvn.work:22
mirai.phimsexvn.work:8080
mirai.phimsexvn.work:8880
mirai.phimsexvn.work:2052
mirai.phimsexvn.work:2082
mirai.phimsexvn.work:2086
mirai.phimsexvn.work:2095
mirai.phimsexvn.work:443
mirai.phimsexvn.work:2053
mirai.phimsexvn.work:2083
mirai.phimsexvn.work:2087
mirai.phimsexvn.work:2096
mirai.phimsexvn.work:8443
notpetya.phimsexvn.work:80
notpetya.phimsexvn.work:22
notpetya.phimsexvn.work:8080
notpetya.phimsexvn.work:8880
notpetya.phimsexvn.work:2052
notpetya.phimsexvn.work:2082
notpetya.phimsexvn.work:2086
notpetya.phimsexvn.work:2095
notpetya.phimsexvn.work:443
notpetya.phimsexvn.work:2053
notpetya.phimsexvn.work:2083
notpetya.phimsexvn.work:2087
notpetya.phimsexvn.work:2096
notpetya.phimsexvn.work:8443
shamoon.phimsexvn.work:80
shamoon.phimsexvn.work:22
shamoon.phimsexvn.work:8080
shamoon.phimsexvn.work:8880
shamoon.phimsexvn.work:2052
shamoon.phimsexvn.work:2082
shamoon.phimsexvn.work:2086
shamoon.phimsexvn.work:2095
shamoon.phimsexvn.work:443
shamoon.phimsexvn.work:2053
shamoon.phimsexvn.work:2083
shamoon.phimsexvn.work:2087
shamoon.phimsexvn.work:2096
shamoon.phimsexvn.work:8443

Mutex

9P7Sl4l3qTp6

Attributes

delay
0
install
true
install_file
ykl6trs.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/0x000d00000001c5cc-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4244	ykl6trs.exe
1940	ykl6trs.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ykl6trs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ykl6trs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2592	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
4260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
Token: SeDebugPrivilege	4244	ykl6trs.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 4080	3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe	87
PID 3224 wrote to memory of 5116	3224	0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe	89
PID 4080 wrote to memory of 4260	4080	cmd.exe	91
PID 5116 wrote to memory of 2592	5116	cmd.exe	92
PID 5116 wrote to memory of 1940	5116	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe
"C:\Users\Admin\AppData\Local\Temp\0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ykl6trs" /tr '"C:\Users\Admin\AppData\Roaming\ykl6trs.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ykl6trs" /tr '"C:\Users\Admin\AppData\Roaming\ykl6trs.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4260
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp50F5.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2592
- - C:\Users\Admin\AppData\Roaming\ykl6trs.exe
    "C:\Users\Admin\AppData\Roaming\ykl6trs.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1940

C:\Users\Admin\AppData\Roaming\ykl6trs.exe
"C:\Users\Admin\AppData\Roaming\ykl6trs.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4244

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

tmp50F5.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp50F5.tmp.bat
Size 151B
SHA256 b933f36dbcf7a2f00c2fd29a4b4cd6496e36e4bfdbab16c77dbedf2186bed295
MD5 c43dbff93b78b48a313385ba1c2d40ad
SHA1 706b8bde082615347f5d26c62af9838e1d0e03f9
SHA512 9b40448727d439cd58ac5f51ccd256b9acfd295237c82bdb6dea5b492f43a1ec413138a08131857083ed9ebb8abd6e68331fced3410ddd42c9eacd3ef9d75f16
TLSH
T12EC02B5251CDEE4F2C0D54A316FAE98CA1726CAB3F44BB00D708450F22C058CF0D938A
MD5 SHA1 SHA512 TLSH

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ykl6trs.exe

Path C:\Users\Admin\AppData\Roaming\ykl6trs.exe
Size 45KB
SHA256 0693f25c9a832fe00fd4b12e2ddd4fc5675742f8e06cedc3c84f0835a3908234
MD5 7e6c8920231d8c3d44b6bd04dd2130c1
SHA1 99503c46f84a8038cc5ac599fb819432e705695f
SHA512 a9e3c706269abd916072c1a1038138df415eca47a670a31484880990cda3b3699aa6af0872177a7567b2f4eab1710839e1d4252b5d2432df0046c124d88e6b93
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9QOJwwiyCNjPIbzjbngX3lueol0rfC1u9TbjjBDZsx:EufspTf2g2JOJLaKb3bgX1IurYu1jldu
TLSH
T1C3231A003BE8812BF2BE4F7898F26145467AF6637603D54A2CC451DB5613FC6DA42AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3224-0-0x0000000074582000-0x0000000074583000-memory.dmp

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memory/3224-1-0x0000000000FD0000-0x0000000000FE2000-memory.dmp

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memory/3224-2-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/3224-3-0x0000000005B10000-0x0000000005BAC000-memory.dmp

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memory/3224-8-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/4244-12-0x00000000743A0000-0x0000000074B5C000-memory.dmp

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memory/4244-14-0x00000000743A0000-0x0000000074B5C000-memory.dmp

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