asyncrat | afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612

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
20/07/2026, 15:30

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General

Target
afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
Size 45KB
Sample260720-sxe36agv4v
SHA256 afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612
MD5 69a030125d04ac47c5d7bb39d0432144
SHA1 6a60697664d0b97ec7e01f9da5bab2b804ad204c
SHA512 9de33d868c9f9aa315544b5fd3bdf92b01f14b6abb1298cee41a9d5a65bdbd1f0eb1f209b6861dd8d1f75856ca486c9a13f8969284122ea6c1109016562b9f6d
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qAu0ewtScq0oiZPI3zjbCgX3itd+NiwddT5oUUBDZW:cuqNJTLr62gwwniW33blXSzhwdZSUidW
TLSH
T140231B0037E8812BF2BE4F7499F26245867AF5632603D5891CC451DB5B23FC68A43AFE
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
socgholish.phimsexvietnamhd.net:80
socgholish.phimsexvietnamhd.net:22
socgholish.phimsexvietnamhd.net:8080
socgholish.phimsexvietnamhd.net:8880
socgholish.phimsexvietnamhd.net:2052
socgholish.phimsexvietnamhd.net:2082
socgholish.phimsexvietnamhd.net:2086
socgholish.phimsexvietnamhd.net:2095
socgholish.phimsexvietnamhd.net:443
socgholish.phimsexvietnamhd.net:2053
socgholish.phimsexvietnamhd.net:2083
socgholish.phimsexvietnamhd.net:2087
socgholish.phimsexvietnamhd.net:2096
socgholish.phimsexvietnamhd.net:8443
malware.phimsexvietnamhd.net:80
malware.phimsexvietnamhd.net:22
malware.phimsexvietnamhd.net:8080
malware.phimsexvietnamhd.net:8880
malware.phimsexvietnamhd.net:2052
malware.phimsexvietnamhd.net:2082
malware.phimsexvietnamhd.net:2086
malware.phimsexvietnamhd.net:2095
malware.phimsexvietnamhd.net:443
malware.phimsexvietnamhd.net:2053
malware.phimsexvietnamhd.net:2083
malware.phimsexvietnamhd.net:2087
malware.phimsexvietnamhd.net:2096
malware.phimsexvietnamhd.net:8443
hack.phimsexvietnamhd.net:80
hack.phimsexvietnamhd.net:22
hack.phimsexvietnamhd.net:8080
hack.phimsexvietnamhd.net:8880
hack.phimsexvietnamhd.net:2052
hack.phimsexvietnamhd.net:2082
hack.phimsexvietnamhd.net:2086
hack.phimsexvietnamhd.net:2095
hack.phimsexvietnamhd.net:443
hack.phimsexvietnamhd.net:2053
hack.phimsexvietnamhd.net:2083
hack.phimsexvietnamhd.net:2087
hack.phimsexvietnamhd.net:2096
hack.phimsexvietnamhd.net:8443

Mutex

QnkGAhVqUDww

Attributes

delay
0
install
true
install_file
nmze.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/0x0006000000016ced-10.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
1652	nmze.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
5080	cmd.exe
2644	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	nmze.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3392	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
1712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 5080	4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe	89
PID 4568 wrote to memory of 2644	4568	afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe	91
PID 5080 wrote to memory of 1712	5080	cmd.exe	93
PID 2644 wrote to memory of 3392	2644	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe
"C:\Users\Admin\AppData\Local\Temp\afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nmze" /tr '"C:\Users\Admin\AppData\Roaming\nmze.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5080
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "nmze" /tr '"C:\Users\Admin\AppData\Roaming\nmze.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1712
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4EFC.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3392
- - C:\Users\Admin\AppData\Roaming\nmze.exe
    "C:\Users\Admin\AppData\Roaming\nmze.exe"
    3⤵
    PID:4180

C:\Users\Admin\AppData\Roaming\nmze.exe
"C:\Users\Admin\AppData\Roaming\nmze.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1652

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

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Downloads

tmp4EFC.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4EFC.tmp.bat
Size 148B
SHA256 77cf9a6ee2442f397c511b3fd44c7f5d474964ba8061f62e3ebe69090dcaef23
MD5 175d5e5100251c64875f41b3ca114a9c
SHA1 ef7652a2d774584c641b550a6634ca149eb38dad
SHA512 c12eeeda6c1cf0c701c12f6707dcddce892b257c2d0eab947534fe83151c61be0ef46e0c078713fb1110ab46debd2454fdf0d01d25bf22cca8bb5e99bd65eda2
TLSH
T16CC02B5751C9FA0E2C05347322FAE49C92F36D693F40BB00C344844D1280448F0D9342
MD5 SHA1 SHA512 TLSH

Submit Download

nmze.exe

Path C:\Users\Admin\AppData\Roaming\nmze.exe
Size 45KB
SHA256 afb4ca7bd57141b51b56e61e9f55cd799e77737009eac515599451de6c805612
MD5 69a030125d04ac47c5d7bb39d0432144
SHA1 6a60697664d0b97ec7e01f9da5bab2b804ad204c
SHA512 9de33d868c9f9aa315544b5fd3bdf92b01f14b6abb1298cee41a9d5a65bdbd1f0eb1f209b6861dd8d1f75856ca486c9a13f8969284122ea6c1109016562b9f6d
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qAu0ewtScq0oiZPI3zjbCgX3itd+NiwddT5oUUBDZW:cuqNJTLr62gwwniW33blXSzhwdZSUidW
TLSH
T140231B0037E8812BF2BE4F7499F26245867AF5632603D5891CC451DB5B23FC68A43AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1652-12-0x00000000744A0000-0x0000000074C5C000-memory.dmp

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memory/1652-14-0x00000000744A0000-0x0000000074C5C000-memory.dmp

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memory/4568-0-0x00000000744B2000-0x00000000744B3000-memory.dmp

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memory/4568-1-0x0000000000440000-0x0000000000452000-memory.dmp

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memory/4568-2-0x00000000744A0000-0x0000000074C5C000-memory.dmp

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memory/4568-3-0x0000000004FC0000-0x000000000505C000-memory.dmp

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memory/4568-9-0x00000000744A0000-0x0000000074C5C000-memory.dmp

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