asyncrat | 6a3cccdcb999f02b9fcef55741fe3146cc6ee6901518d6f239296e63bf55385d

Analysis

max time kernel
14s
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
02/11/2026, 12:16

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General

Target
tinhvi.exe
Size 45KB
Sample261102-pfty7sbx7q
SHA256 6a3cccdcb999f02b9fcef55741fe3146cc6ee6901518d6f239296e63bf55385d
MD5 536fd1e743536f720ff72a17803a81ea
SHA1 6a60f220ae680ecfc47a7245cf525e4b3c73f618
SHA512 c8949678d7045fe4e73a303e9baa8baad54821351d7153b997fe07f64e03f082de54bfa82f6e6787315c1661a61ab3cd8eb5909b11442081810357c53bf02551
SSDEEP 768:nuYHKTsufqG9vSLjWUvlPRmo2qb36R8aI6OPIXzjbAgX3iCyL8l3BDZ4wqDR:nuYHKTsjMvSX2m+Fb3X3bnXSZLCd4wqV
TLSH
T179231A0037E8812BF2BE4F78ADF26145867AF2673603D64E1CC451D65623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

betsbdt.com defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

betsbdt.com

betsbdt.com:443

Mutex

cmp38AwFszXU

Attributes

delay
3
install
true
install_file
GoogleUpdate.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/0x00030000000170c6-11.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4984	GoogleUpdate.exe
292	GoogleUpdate.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
2208	cmd.exe
956	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 4 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\Domain	tinhvi.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	GoogleUpdate.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	GoogleUpdate.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	tinhvi.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	schtasks.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	GoogleUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GoogleUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tinhvi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5960	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
1028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe
2584	tinhvi.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	tinhvi.exe
Token: SeDebugPrivilege	4984	GoogleUpdate.exe
Token: SeDebugPrivilege	4984	GoogleUpdate.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2208	2584	tinhvi.exe	89
PID 2584 wrote to memory of 956	2584	tinhvi.exe	91
PID 2208 wrote to memory of 1028	2208	cmd.exe	93
PID 956 wrote to memory of 5960	956	cmd.exe	94
PID 956 wrote to memory of 292	956	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\tinhvi.exe
"C:\Users\Admin\AppData\Local\Temp\tinhvi.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1028
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF35F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5960
- - C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
    "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:292

C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
"C:\Users\Admin\AppData\Roaming\GoogleUpdate.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:4984

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

tmpF35F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpF35F.tmp.bat
Size 156B
SHA256 ec6e54b5072bcaa87e2f5f61666c4304a225cc49ec339e8eb35d868cb0b7a359
MD5 f22aa2e107db3f81d33501dfbd29cd1e
SHA1 f5d5ae188245cc686f1fd07a429d1734ef438d21
SHA512 16b4a772338a3e3f79ee5a5c80f77340b3e27fbc3d47a2af2995e101d23f9e9ca257dcec74a39ad20f68ee6cd817db415dc8dc1402c5cb7e9bc55332c139739c
TLSH
T128C08C5365CAEA1E6809A82717BAD48DA1A26C593F44AB00930444192280888E4EA282
MD5 SHA1 SHA512 TLSH

Submit Download

GoogleUpdate.exe

Path C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
Size 45KB
SHA256 6a3cccdcb999f02b9fcef55741fe3146cc6ee6901518d6f239296e63bf55385d
MD5 536fd1e743536f720ff72a17803a81ea
SHA1 6a60f220ae680ecfc47a7245cf525e4b3c73f618
SHA512 c8949678d7045fe4e73a303e9baa8baad54821351d7153b997fe07f64e03f082de54bfa82f6e6787315c1661a61ab3cd8eb5909b11442081810357c53bf02551
SSDEEP 768:nuYHKTsufqG9vSLjWUvlPRmo2qb36R8aI6OPIXzjbAgX3iCyL8l3BDZ4wqDR:nuYHKTsjMvSX2m+Fb3X3bnXSZLCd4wqV
TLSH
T179231A0037E8812BF2BE4F78ADF26145867AF2673603D64E1CC451D65623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2584-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

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memory/2584-1-0x00000000006C0000-0x00000000006D2000-memory.dmp

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memory/2584-2-0x0000000074D20000-0x00000000754DC000-memory.dmp

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memory/2584-3-0x00000000051C0000-0x0000000005226000-memory.dmp

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memory/2584-4-0x0000000005650000-0x00000000056EC000-memory.dmp

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memory/2584-9-0x0000000074D20000-0x00000000754DC000-memory.dmp

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memory/4984-13-0x0000000074BA0000-0x000000007535C000-memory.dmp

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memory/4984-15-0x0000000074BA0000-0x000000007535C000-memory.dmp

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