asyncrat | faabbb485470b2df19811bc4f4509da74da1f94a4a19a23c9af4086b298d5350

Analysis

max time kernel
58s
max time network
59s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/10/2026, 19:38

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
faabbb485470b2df19811bc4f4509da74da1f94a4a19a23c9af4086b298d5350.exe
Size 56KB
Sample261020-ycff3swt8k
SHA256 faabbb485470b2df19811bc4f4509da74da1f94a4a19a23c9af4086b298d5350
MD5 4886fed603d96f9377b0d1c975862c5c
SHA1 680a048c70276cf972cd1efe8481ca93807931fe
SHA512 60174ed757b32187c5bb996836128ed32c15e374bff2c4f6c4e6b4ccce85307e4a1703a9517acbc72249eed18472ce5a32d95a5efaeb80faff2e9601be420961
SSDEEP 1536:2u6SVT3emQ2abSrF3bDXSu2nO5dtkejNUHLy/:2u6GT3pQ28SrF3bDv5TkINH/
TLSH
T181436C0037E9812BF2BE4F786DF21045467AF2677603DA5E1CC4519B9723BC6CA426FA
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

mb66.chinhthuc.site:443
mb66.chinhthuc.site:8848
mb66.chinhthuc.site:8080

Mutex

tnItZRPvsahz

Attributes

delay
3
install
true
install_file
googlecloud.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/0x000e00000001c514-10.dat	family_asyncrat

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
5816	cmd.exe
1344	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	faabbb485470b2df19811bc4f4509da74da1f94a4a19a23c9af4086b298d5350.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5908	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
4080	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\faabbb485470b2df19811bc4f4509da74da1f94a4a19a23c9af4086b298d5350.exe
"C:\Users\Admin\AppData\Local\Temp\faabbb485470b2df19811bc4f4509da74da1f94a4a19a23c9af4086b298d5350.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "googlecloud" /tr '"C:\Users\Admin\AppData\Roaming\googlecloud.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  PID:5816
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "googlecloud" /tr '"C:\Users\Admin\AppData\Roaming\googlecloud.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4080
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7BAE.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  PID:1344
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:5908
- - C:\Users\Admin\AppData\Roaming\googlecloud.exe
    "C:\Users\Admin\AppData\Roaming\googlecloud.exe"
    3⤵
    PID:3740

C:\Users\Admin\AppData\Roaming\googlecloud.exe
"C:\Users\Admin\AppData\Roaming\googlecloud.exe"
1⤵
PID:4708

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:2036

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

tmp7BAE.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp7BAE.tmp.bat
Size 155B
SHA256 7e3e174cd85c4e89831e9e74142fc46dbba9d9863c9e4a327842eed78a6f28b6
MD5 c5ff763f8b45fdefed7ea51f10d70d42
SHA1 2aceb2f75a38cdcbabe497858bb5be9cf9cc8940
SHA512 9bd6cd44c530121991d26e5d9ab3b257c5c99feecdc9113cd00011a675facf825fc22cb8008c03c673530648267a5a74b7134036cbc865f4489e64868d62b0b2
TLSH
T14CC02B8361C9EB0F3A05A4A303FBD98D92B36C1E3F40BB10C344410D528044BF4D93C1
MD5 SHA1 SHA512 TLSH

Submit Download

googlecloud.exe

Path C:\Users\Admin\AppData\Roaming\googlecloud.exe
Size 56KB
SHA256 faabbb485470b2df19811bc4f4509da74da1f94a4a19a23c9af4086b298d5350
MD5 4886fed603d96f9377b0d1c975862c5c
SHA1 680a048c70276cf972cd1efe8481ca93807931fe
SHA512 60174ed757b32187c5bb996836128ed32c15e374bff2c4f6c4e6b4ccce85307e4a1703a9517acbc72249eed18472ce5a32d95a5efaeb80faff2e9601be420961
SSDEEP 1536:2u6SVT3emQ2abSrF3bDXSu2nO5dtkejNUHLy/:2u6GT3pQ28SrF3bDv5TkINH/
TLSH
T181436C0037E9812BF2BE4F786DF21045467AF2677603DA5E1CC4519B9723BC6CA426FA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4708-12-0x0000000074E70000-0x000000007562C000-memory.dmp

Download

memory/4708-14-0x0000000074E70000-0x000000007562C000-memory.dmp

Download

memory/4896-0-0x0000000075082000-0x0000000075083000-memory.dmp

Download

memory/4896-1-0x00000000003B0000-0x00000000003C4000-memory.dmp

Download

memory/4896-2-0x0000000075070000-0x000000007582C000-memory.dmp

Download

memory/4896-3-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

Download

memory/4896-8-0x0000000075070000-0x000000007582C000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads