asyncrat | bd01d6e8c9f2dfcb1e36df14eb836968fa02f4ff13d875e72604ee86588824ac

Analysis

max time kernel
150s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/06/2026, 06:49

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General

Target
TrojanRAT.exe
Size 56KB
Sample260628-hld2lsfz2s
SHA256 bd01d6e8c9f2dfcb1e36df14eb836968fa02f4ff13d875e72604ee86588824ac
MD5 c45fac3bf5be8f3e0e41f062fe9ca711
SHA1 bd7124c91504a96d7d67849661ad7aa34fbbdef7
SHA512 ca3741b2b32267fd084b19705644ea6d5b5eb3896c2133d08ed845b6eb3276f24ae51f67062af217afb8dbd0b828374cbd46a781cb19ce6c0cce8fb4b19bfa25
SSDEEP 1536:2uf09TH2w24NlYJ9ebOXSrhARbAsW8dNkejNUHLTq:2ufoTH2w2aYJ9ebO6mR8spDkINmq
TLSH
T1F4436D0037E9822BF2BE4FB8ACF21145867AF1677603E95D1CC4419B5A13BC6D6426FE
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

vn-ga888.com:443
vn-ga888.com:8848
vn-ga888.com:8080

Mutex

TBqzBekQyHvO

Attributes

delay
3
install
true
install_file
AsyncRat.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/0x000300000000042e-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5884	AsyncRat.exe
784	AsyncRat.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AsyncRat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AsyncRat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TrojanRAT.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
2052	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
5700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe
2392	TrojanRAT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	TrojanRAT.exe
Token: SeDebugPrivilege	5884	AsyncRat.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 6304	2392	TrojanRAT.exe	90
PID 2392 wrote to memory of 1328	2392	TrojanRAT.exe	92
PID 1328 wrote to memory of 2052	1328	cmd.exe	94
PID 6304 wrote to memory of 5700	6304	cmd.exe	95
PID 1328 wrote to memory of 784	1328	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\TrojanRAT.exe
"C:\Users\Admin\AppData\Local\Temp\TrojanRAT.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6304
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5700
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9DD1.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2052
- - C:\Users\Admin\AppData\Roaming\AsyncRat.exe
    "C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:784

C:\Users\Admin\AppData\Roaming\AsyncRat.exe
"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5884

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

tmp9DD1.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp9DD1.tmp.bat
Size 152B
SHA256 068bb76e12a0a3337d509f30430ed8c62547d8d10272b974e7e2eea83957c653
MD5 676bee7678c0bdf2e55ea169ccb47323
SHA1 470fdd60c4f3b0831382b006b00397eb82989a41
SHA512 952a06cfbe47a9298c359774fa520714ddd830ddb70758cc01681c10cb573ea52b275b3defa7224ed7185bde2da9c32a78a4668e5f03ec1a421ed01dd3a5acc2
TLSH
T1CBC08C4292C5EA1E2C0A345316BA988C916A6C593E40AB40C34885A91680948E4A9242
MD5 SHA1 SHA512 TLSH

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AsyncRat.exe

Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
Size 56KB
SHA256 bd01d6e8c9f2dfcb1e36df14eb836968fa02f4ff13d875e72604ee86588824ac
MD5 c45fac3bf5be8f3e0e41f062fe9ca711
SHA1 bd7124c91504a96d7d67849661ad7aa34fbbdef7
SHA512 ca3741b2b32267fd084b19705644ea6d5b5eb3896c2133d08ed845b6eb3276f24ae51f67062af217afb8dbd0b828374cbd46a781cb19ce6c0cce8fb4b19bfa25
SSDEEP 1536:2uf09TH2w24NlYJ9ebOXSrhARbAsW8dNkejNUHLTq:2ufoTH2w2aYJ9ebO6mR8spDkINmq
TLSH
T1F4436D0037E9822BF2BE4FB8ACF21145867AF1677603E95D1CC4419B5A13BC6D6426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2392-0-0x00000000742B2000-0x00000000742B3000-memory.dmp

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memory/2392-1-0x00000000002D0000-0x00000000002E4000-memory.dmp

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memory/2392-2-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/2392-3-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

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memory/2392-9-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/5884-12-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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memory/5884-14-0x00000000742A0000-0x0000000074A5C000-memory.dmp

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