asyncrat | 69f090aece85c92ad043095c560f7b517d50d4b91869efac9d19a019d7c105ff

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/11/2026, 11:51

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General

Target
TrojanRAT.exe
Size 56KB
Sample261110-n1ketsfa67
SHA256 69f090aece85c92ad043095c560f7b517d50d4b91869efac9d19a019d7c105ff
MD5 ac0a69684fe339e826fb8a4fe9251239
SHA1 e9100b46b4cb970c48b37632b8ba0c786ca882a1
SHA512 385c45b5cc54f55f01f87ca3f9ffd69df10a1245f897db6af5b7f754ca9c1a0ac171b105d6e1ddcaa7fc1a141e0c97b3c150d88008acd7d307ba631f982d7fe7
SSDEEP 1536:2uf09TH2w24NlYJ9ebOXStLQhdNkejNUHLTq:2ufoTH2w2aYJ9ebOuqDkINmq
TLSH
T17F436B0037E9822BF2BE4FB8ACF22145467AF2677603D55D1CC441DB5B13BCA9A426F9
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

mcw678.website:443
mcw678.website:8848
mcw678.website:8080

Mutex

kBVPjakHQ19X

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/0x0004000000000449-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
6112	AsyncRat.exe
1420	AsyncRat.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
4508	cmd.exe
2612	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	AsyncRat.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	AsyncRat.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	TrojanRAT.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AsyncRat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AsyncRat.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5040	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
2544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe
4612	TrojanRAT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	TrojanRAT.exe
Token: SeDebugPrivilege	6112	AsyncRat.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 4508	4612	TrojanRAT.exe	89
PID 4612 wrote to memory of 2612	4612	TrojanRAT.exe	91
PID 4508 wrote to memory of 2544	4508	cmd.exe	93
PID 2612 wrote to memory of 5040	2612	cmd.exe	94
PID 2612 wrote to memory of 1420	2612	cmd.exe	97

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:4612
- 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⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4508
- - 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:2544
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp408A.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5040
- - 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:1420

C:\Users\Admin\AppData\Roaming\AsyncRat.exe
"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:6112

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp408A.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp408A.tmp.bat
Size 152B
SHA256 cdb4004b3b906ebefd9bed768fce2e4c2494a176890739d020bb6b7fa47c2f9d
MD5 cdf726baba362c80e67a34b4ea3f23e3
SHA1 dda745b3f363ffbb77299686a4046575b51de920
SHA512 04e3c1bc121e00fb2e44fd5cef8455b734b45c8ca89e36e3e334edea70e260d3350ce12cc02d3001b6f499e9a9b3898b5adb9510a0ec9a4a6ad6474940e7432f
TLSH
T138C08C4292C5AA1E2C09345313BA988D92666C593E40AB40C70844ED2280588E0AA241
MD5 SHA1 SHA512 TLSH

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AsyncRat.exe

Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
Size 56KB
SHA256 69f090aece85c92ad043095c560f7b517d50d4b91869efac9d19a019d7c105ff
MD5 ac0a69684fe339e826fb8a4fe9251239
SHA1 e9100b46b4cb970c48b37632b8ba0c786ca882a1
SHA512 385c45b5cc54f55f01f87ca3f9ffd69df10a1245f897db6af5b7f754ca9c1a0ac171b105d6e1ddcaa7fc1a141e0c97b3c150d88008acd7d307ba631f982d7fe7
SSDEEP 1536:2uf09TH2w24NlYJ9ebOXStLQhdNkejNUHLTq:2ufoTH2w2aYJ9ebOuqDkINmq
TLSH
T17F436B0037E9822BF2BE4FB8ACF22145467AF2677603D55D1CC441DB5B13BCA9A426F9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4612-0-0x0000000075022000-0x0000000075023000-memory.dmp

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memory/4612-1-0x00000000005C0000-0x00000000005D4000-memory.dmp

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memory/4612-2-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/4612-3-0x0000000005180000-0x000000000521C000-memory.dmp

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memory/4612-9-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/6112-12-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/6112-14-0x0000000075010000-0x00000000757CC000-memory.dmp

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