asyncrat | bab0a578013125ce4fcba4a1bd0a715b7d2db0d14b90cfc7268150ed75947f66

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/07/2026, 02:36

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General

Target
2.exe
Size 48KB
Sample260728-c3twhaee95
SHA256 bab0a578013125ce4fcba4a1bd0a715b7d2db0d14b90cfc7268150ed75947f66
MD5 8d5700b0d87c046d38ded19f79af378a
SHA1 042f13352770a262ab03e2b1d979360c49688afb
SHA512 afe3f0b23f6f6409d4fffd2eb4e0f2fef78f0305df48d04802534d9bd56f898d56cdb3e06dd2cd5f0d0ba98ef26bac49e2be3ffc1802e00eb120e1bf8d76a8c5
SSDEEP 768:stuirpTzECkMWUuXaKmo2qgifFRF2nlQPIZ+7w9Dy0bCNya/LZe7KmTLu0PxVOBW:GuirpTz5g2SDFyPZz9JbCwazYJTLurdk
TLSH
T1B0233B0037E9812BF2BE5F78A8F23245857BF6673603D54D1CC441DB5A23BC68A526FA
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

hindinewsdaily.in/vi-vn/:6606
hindinewsdaily.in/vi-vn/:80
hindinewsdaily.in/vi-vn/:8080
hindinewsdaily.in/vi-vn/:443
hindinewsdaily.in/vi-vn/:8443
hindinewsdaily.in/vi-vn/:22
hindinewsdaily.in/vi-vn/:23
i.go88.com.ng/?a=GO88K:6606
i.go88.com.ng/?a=GO88K:80
i.go88.com.ng/?a=GO88K:8080
i.go88.com.ng/?a=GO88K:443
i.go88.com.ng/?a=GO88K:8443
i.go88.com.ng/?a=GO88K:22
i.go88.com.ng/?a=GO88K:23
mikamatin.co/vi-vn/:6606
mikamatin.co/vi-vn/:80
mikamatin.co/vi-vn/:8080
mikamatin.co/vi-vn/:443
mikamatin.co/vi-vn/:8443
mikamatin.co/vi-vn/:22
mikamatin.co/vi-vn/:23
rlclfm.cc/wap/#/register:6606
rlclfm.cc/wap/#/register:80
rlclfm.cc/wap/#/register:8080
rlclfm.cc/wap/#/register:443
rlclfm.cc/wap/#/register:8443
rlclfm.cc/wap/#/register:22
rlclfm.cc/wap/#/register:23
https://98win.women.com.de/:6606
https://98win.women.com.de/:80
https://98win.women.com.de/:8080
https://98win.women.com.de/:443
https://98win.women.com.de/:8443
https://98win.women.com.de/:22
https://98win.women.com.de/:23
/www.au88vn.cheap/home/reg.html?inviteCode=87003441:6606
/www.au88vn.cheap/home/reg.html?inviteCode=87003441:80
/www.au88vn.cheap/home/reg.html?inviteCode=87003441:8080
/www.au88vn.cheap/home/reg.html?inviteCode=87003441:443
/www.au88vn.cheap/home/reg.html?inviteCode=87003441:8443
/www.au88vn.cheap/home/reg.html?inviteCode=87003441:22
/www.au88vn.cheap/home/reg.html?inviteCode=87003441:23

Mutex

y36Uog2RClHN

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/0x000e00000001c49d-11.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5072	GoogleUpdate.exe
2472	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
4352	cmd.exe
6120	cmd.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	2.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	GoogleUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GoogleUpdate.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4244	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
1560	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe
2396	2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	2.exe
Token: SeDebugPrivilege	5072	GoogleUpdate.exe
Token: SeDebugPrivilege	5072	GoogleUpdate.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 4352	2396	2.exe	90
PID 2396 wrote to memory of 6120	2396	2.exe	92
PID 4352 wrote to memory of 1560	4352	cmd.exe	94
PID 6120 wrote to memory of 4244	6120	cmd.exe	96
PID 6120 wrote to memory of 2472	6120	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396
- 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:4352
- - 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:1560
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4DA9.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6120
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4244
- - 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:2472

C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5072

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp4DA9.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4DA9.tmp.bat
Size 156B
SHA256 d52bfc093cbc4236f3da6d4d498c479c5571f6325f314db9a87339307edb585b
MD5 ac622791d6a8d4cc8fe77a96d027ae50
SHA1 68298a731093a15eca9472954b66eae9b7d14b14
SHA512 a9eb668d8ccc805c60fe0c714a98136bdf8d92463905700d0f96213929c28c943eb602ce6d892e44194c8f2b7f780a7791f7fb914f628dbc43f547f83c7eb126
TLSH
T1EAC08C5361CAEA1E2805A81716BAD48D91A2685A3E44AB84830440592280888F4EA286
MD5 SHA1 SHA512 TLSH

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GoogleUpdate.exe

Path C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
Size 48KB
SHA256 bab0a578013125ce4fcba4a1bd0a715b7d2db0d14b90cfc7268150ed75947f66
MD5 8d5700b0d87c046d38ded19f79af378a
SHA1 042f13352770a262ab03e2b1d979360c49688afb
SHA512 afe3f0b23f6f6409d4fffd2eb4e0f2fef78f0305df48d04802534d9bd56f898d56cdb3e06dd2cd5f0d0ba98ef26bac49e2be3ffc1802e00eb120e1bf8d76a8c5
SSDEEP 768:stuirpTzECkMWUuXaKmo2qgifFRF2nlQPIZ+7w9Dy0bCNya/LZe7KmTLu0PxVOBW:GuirpTz5g2SDFyPZz9JbCwazYJTLurdk
TLSH
T1B0233B0037E9812BF2BE5F78A8F23245857BF6673603D54D1CC441DB5A23BC68A526FA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2396-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

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memory/2396-1-0x00000000008B0000-0x00000000008C2000-memory.dmp

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memory/2396-2-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/2396-3-0x00000000053B0000-0x0000000005416000-memory.dmp

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memory/2396-4-0x0000000005840000-0x00000000058DC000-memory.dmp

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memory/2396-9-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/5072-13-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/5072-15-0x0000000074A80000-0x000000007523C000-memory.dmp

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