asyncrat | 822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 11:32

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General

Target
822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
Size 45KB
Sample260715-nnptsaev9s
SHA256 822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92
MD5 657f0d230f59cee80940c33ec46adafa
SHA1 f6ef91dce0608c5ba5690408892fac521de88dda
SHA512 823cde613d23f1ef9d701776870488fd830fed6ece2a34fc5d0fd58d80d5a7df371f6f49ff7c6ed99af32476c7f34ec11db84e30686c3a9bd6cfa6b399d0d82e
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1/BzCQKx7PImrjbIgX3iul8Sb7QNasBDZUx:cu6YepTPso2+o0m/bfXSdSYNaqdUx
TLSH
T149231B003BE8823AF2BE5B7898F26145867AF5633603D54D2CC451DB5623FC6CA426FE
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

vuasexviet.com:80
vuasexviet.com:22
vuasexviet.com:8080
vuasexviet.com:8880
vuasexviet.com:2052
vuasexviet.com:2082
vuasexviet.com:2086
vuasexviet.com:2095
vuasexviet.com:443
vuasexviet.com:2053
vuasexviet.com:2083
vuasexviet.com:2087
vuasexviet.com:2096
vuasexviet.com:8443
www.vuasexviet.com:80
www.vuasexviet.com:22
www.vuasexviet.com:8080
www.vuasexviet.com:8880
www.vuasexviet.com:2052
www.vuasexviet.com:2082
www.vuasexviet.com:2086
www.vuasexviet.com:2095
www.vuasexviet.com:443
www.vuasexviet.com:2053
www.vuasexviet.com:2083
www.vuasexviet.com:2087
www.vuasexviet.com:2096
www.vuasexviet.com:8443
conficker.vuasexviet.com:80
conficker.vuasexviet.com:22
conficker.vuasexviet.com:8080
conficker.vuasexviet.com:8880
conficker.vuasexviet.com:2052
conficker.vuasexviet.com:2082
conficker.vuasexviet.com:2086
conficker.vuasexviet.com:2095
conficker.vuasexviet.com:443
conficker.vuasexviet.com:2053
conficker.vuasexviet.com:2083
conficker.vuasexviet.com:2087
conficker.vuasexviet.com:2096
conficker.vuasexviet.com:8443
fakeupdates.vuasexviet.com:80
fakeupdates.vuasexviet.com:22
fakeupdates.vuasexviet.com:8080
fakeupdates.vuasexviet.com:8880
fakeupdates.vuasexviet.com:2052
fakeupdates.vuasexviet.com:2082
fakeupdates.vuasexviet.com:2086
fakeupdates.vuasexviet.com:2095
fakeupdates.vuasexviet.com:443
fakeupdates.vuasexviet.com:2053
fakeupdates.vuasexviet.com:2083
fakeupdates.vuasexviet.com:2087
fakeupdates.vuasexviet.com:2096
fakeupdates.vuasexviet.com:8443
malware.vuasexviet.com:80
malware.vuasexviet.com:22
malware.vuasexviet.com:8080
malware.vuasexviet.com:8880
malware.vuasexviet.com:2052
malware.vuasexviet.com:2082
malware.vuasexviet.com:2086
malware.vuasexviet.com:2095
malware.vuasexviet.com:443
malware.vuasexviet.com:2053
malware.vuasexviet.com:2083
malware.vuasexviet.com:2087
malware.vuasexviet.com:2096
malware.vuasexviet.com:8443

Mutex

iuDW5n4QisC9

Attributes

delay
0
install
true
install_file
m52vhdoc.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/0x0005000000016ce7-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5488	m52vhdoc.exe
5564	m52vhdoc.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	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.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	m52vhdoc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	m52vhdoc.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4892	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
5416	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 5660	4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe	87
PID 4980 wrote to memory of 5492	4980	822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe	89
PID 5492 wrote to memory of 4892	5492	cmd.exe	91
PID 5660 wrote to memory of 5416	5660	cmd.exe	92
PID 5492 wrote to memory of 5564	5492	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe
"C:\Users\Admin\AppData\Local\Temp\822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "m52vhdoc" /tr '"C:\Users\Admin\AppData\Roaming\m52vhdoc.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5660
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "m52vhdoc" /tr '"C:\Users\Admin\AppData\Roaming\m52vhdoc.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5416
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3435.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5492
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4892
- - C:\Users\Admin\AppData\Roaming\m52vhdoc.exe
    "C:\Users\Admin\AppData\Roaming\m52vhdoc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5564

C:\Users\Admin\AppData\Roaming\m52vhdoc.exe
"C:\Users\Admin\AppData\Roaming\m52vhdoc.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5488

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

tmp3435.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp3435.tmp.bat
Size 152B
SHA256 03461ccef2b344ff391b71ad9e6db353e7beeaac27b66bed61f66c804a6d6f02
MD5 46ef3ddc40964e42cf205f093fb1f786
SHA1 d822f92053dd52303784c5f8bc8adea7d7465fdd
SHA512 f860de98c45c6c1899f71ab80ec1f4d9774ad8b08f8d671e30d8b8e3859227b3fdd923b003856326026e75f716946815e33c08995d244b34d4d624de54883075
TLSH
T1A5C08C8361C6AA4E3C05141302BAA48CA26368393E40AB00DB0844197A80889E09924A
MD5 SHA1 SHA512 TLSH

Submit Download

m52vhdoc.exe

Path C:\Users\Admin\AppData\Roaming\m52vhdoc.exe
Size 45KB
SHA256 822ce9395830a8982540158c47e264e9bdc59efe865ff9c04437ec6869dcda92
MD5 657f0d230f59cee80940c33ec46adafa
SHA1 f6ef91dce0608c5ba5690408892fac521de88dda
SHA512 823cde613d23f1ef9d701776870488fd830fed6ece2a34fc5d0fd58d80d5a7df371f6f49ff7c6ed99af32476c7f34ec11db84e30686c3a9bd6cfa6b399d0d82e
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1/BzCQKx7PImrjbIgX3iul8Sb7QNasBDZUx:cu6YepTPso2+o0m/bfXSdSYNaqdUx
TLSH
T149231B003BE8823AF2BE5B7898F26145867AF5633603D54D2CC451DB5623FC6CA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4980-0-0x0000000074B12000-0x0000000074B13000-memory.dmp

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memory/4980-1-0x0000000000A90000-0x0000000000AA2000-memory.dmp

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memory/4980-2-0x0000000074B00000-0x00000000752BC000-memory.dmp

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memory/4980-3-0x00000000055E0000-0x000000000567C000-memory.dmp

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memory/4980-9-0x0000000074B00000-0x00000000752BC000-memory.dmp

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memory/5488-12-0x0000000074B00000-0x00000000752BC000-memory.dmp

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memory/5488-14-0x0000000074B00000-0x00000000752BC000-memory.dmp

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