asyncrat | ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910

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
22/07/2026, 14:11

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General

Target
ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
Size 45KB
Sample260722-rhb8aasybx
SHA256 ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910
MD5 2d086aab1835dd25b831563be07c3bd2
SHA1 38caa29c63d1dc349988d5f7bd134bb1da7fba81
SHA512 d567ca14b333ddaa3eda782ca91c4d31d57377e17af9728ac01dad22a434417129bd2178b03ff2f45c5232f2305f928d20a2d0f56b4bee2cd8df0200e89097f1
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1emaPol53APIkzjbxgX3imerPowvH6BDZUx:cu6YepTPso2vfob3lk3b+XSm0HHkdUx
TLSH
T116232A003BE8812BF2BE8F7899F25145867AF5636603D64E1CC442DB5623FC69A436FD
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

phimsexvietnamhd.net:80
phimsexvietnamhd.net:22
phimsexvietnamhd.net:8080
phimsexvietnamhd.net:8880
phimsexvietnamhd.net:2052
phimsexvietnamhd.net:2082
phimsexvietnamhd.net:2086
phimsexvietnamhd.net:2095
phimsexvietnamhd.net:443
phimsexvietnamhd.net:2053
phimsexvietnamhd.net:2083
phimsexvietnamhd.net:2087
phimsexvietnamhd.net:2096
phimsexvietnamhd.net:8443
www.phimsexvietnamhd.net:80
www.phimsexvietnamhd.net:22
www.phimsexvietnamhd.net:8080
www.phimsexvietnamhd.net:8880
www.phimsexvietnamhd.net:2052
www.phimsexvietnamhd.net:2082
www.phimsexvietnamhd.net:2086
www.phimsexvietnamhd.net:2095
www.phimsexvietnamhd.net:443
www.phimsexvietnamhd.net:2053
www.phimsexvietnamhd.net:2083
www.phimsexvietnamhd.net:2087
www.phimsexvietnamhd.net:2096
www.phimsexvietnamhd.net:8443
remote.phimsexvietnamhd.net:80
remote.phimsexvietnamhd.net:22
remote.phimsexvietnamhd.net:8080
remote.phimsexvietnamhd.net:8880
remote.phimsexvietnamhd.net:2052
remote.phimsexvietnamhd.net:2082
remote.phimsexvietnamhd.net:2086
remote.phimsexvietnamhd.net:2095
remote.phimsexvietnamhd.net:443
remote.phimsexvietnamhd.net:2053
remote.phimsexvietnamhd.net:2083
remote.phimsexvietnamhd.net:2087
remote.phimsexvietnamhd.net:2096
remote.phimsexvietnamhd.net:8443
triton.phimsexvietnamhd.net:80
triton.phimsexvietnamhd.net:22
triton.phimsexvietnamhd.net:8080
triton.phimsexvietnamhd.net:8880
triton.phimsexvietnamhd.net:2052
triton.phimsexvietnamhd.net:2082
triton.phimsexvietnamhd.net:2086
triton.phimsexvietnamhd.net:2095
triton.phimsexvietnamhd.net:443
triton.phimsexvietnamhd.net:2053
triton.phimsexvietnamhd.net:2083
triton.phimsexvietnamhd.net:2087
triton.phimsexvietnamhd.net:2096
triton.phimsexvietnamhd.net:8443

Mutex

LGgNZdjakPkT

Attributes

delay
0
install
true
install_file
t62pjvwx.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/0x000e00000001c453-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2844	t62pjvwx.exe
4272	t62pjvwx.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
856	cmd.exe
5744	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	t62pjvwx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	t62pjvwx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
884	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
3468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
Token: SeDebugPrivilege	2844	t62pjvwx.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 856	4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe	89
PID 4704 wrote to memory of 5744	4704	ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe	91
PID 856 wrote to memory of 3468	856	cmd.exe	93
PID 5744 wrote to memory of 884	5744	cmd.exe	94
PID 5744 wrote to memory of 4272	5744	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe
"C:\Users\Admin\AppData\Local\Temp\ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "t62pjvwx" /tr '"C:\Users\Admin\AppData\Roaming\t62pjvwx.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "t62pjvwx" /tr '"C:\Users\Admin\AppData\Roaming\t62pjvwx.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3468
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp15C0.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5744
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:884
- - C:\Users\Admin\AppData\Roaming\t62pjvwx.exe
    "C:\Users\Admin\AppData\Roaming\t62pjvwx.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4272

C:\Users\Admin\AppData\Roaming\t62pjvwx.exe
"C:\Users\Admin\AppData\Roaming\t62pjvwx.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2844

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

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Downloads

tmp15C0.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp15C0.tmp.bat
Size 152B
SHA256 f5246f6435b94d8f45e2c5d47ef4959e37650000bbb9a0dca14cddda8b0a41e2
MD5 297c5e40f8c0552d2a685c79a4899901
SHA1 32b179ac0d1ebe4ccdc7e0c85ce614fffc20cc75
SHA512 e0980bc2ff42749128fd26b104abb7c759e85c86b536fcbb7f2dd9d20289361b877b25bd1b6b6c273cee54ed433bb044f3fbc0bcf1ebebc1b15c5ddfde87a394
TLSH
T12AC08C4261C6EA0E2D0A281302FA94DC91B2A81A3F40AB04974844195280858E0BD281
MD5 SHA1 SHA512 TLSH

Submit Download

t62pjvwx.exe

Path C:\Users\Admin\AppData\Roaming\t62pjvwx.exe
Size 45KB
SHA256 ec2aa7cd16c6ef08eb046acf65c1973719ce5aada24491b47ab739c919c03910
MD5 2d086aab1835dd25b831563be07c3bd2
SHA1 38caa29c63d1dc349988d5f7bd134bb1da7fba81
SHA512 d567ca14b333ddaa3eda782ca91c4d31d57377e17af9728ac01dad22a434417129bd2178b03ff2f45c5232f2305f928d20a2d0f56b4bee2cd8df0200e89097f1
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1emaPol53APIkzjbxgX3imerPowvH6BDZUx:cu6YepTPso2vfob3lk3b+XSm0HHkdUx
TLSH
T116232A003BE8812BF2BE8F7899F25145867AF5636603D64E1CC442DB5623FC69A436FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2844-12-0x00000000749B0000-0x000000007516C000-memory.dmp

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memory/2844-14-0x00000000749B0000-0x000000007516C000-memory.dmp

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memory/4704-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

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memory/4704-1-0x0000000000E50000-0x0000000000E62000-memory.dmp

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memory/4704-2-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/4704-3-0x0000000005960000-0x00000000059FC000-memory.dmp

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memory/4704-8-0x0000000074B80000-0x000000007533C000-memory.dmp

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