asyncrat | ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 12:25

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General

Target
ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
Size 45KB
Sample260718-pl5b5aex71
SHA256 ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b
MD5 6fe3c9caeeff0dad4c84ef2d39bbfcee
SHA1 c4316a43241efd808d7148628367465b9d1ed24b
SHA512 00244e6578e0c4c207b5b16d1e08351f1c2e1ceb6f6a1634a76af87dfd7b01c8ad70551bc9175f597c7621f3850b61e401661adbb0f5263c29f4eb731309f955
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVdcP0pycvHPIjzjbHgX3iWpk5/NmCiNjBDZEx:MuBGJTPho2OccMcvgj3bAXSWpuKNldEx
TLSH
T11F232B003BE9823BF2BE4F78A8F26145467AF6632603D64D1CC451DB5A23BC696426FD
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

chichgai.one:80
chichgai.one:22
chichgai.one:8080
chichgai.one:8880
chichgai.one:2052
chichgai.one:2082
chichgai.one:2086
chichgai.one:2095
chichgai.one:443
chichgai.one:2053
chichgai.one:2083
chichgai.one:2087
chichgai.one:2096
chichgai.one:8443
www.chichgai.one:80
www.chichgai.one:22
www.chichgai.one:8080
www.chichgai.one:8880
www.chichgai.one:2052
www.chichgai.one:2082
www.chichgai.one:2086
www.chichgai.one:2095
www.chichgai.one:443
www.chichgai.one:2053
www.chichgai.one:2083
www.chichgai.one:2087
www.chichgai.one:2096
www.chichgai.one:8443
client.chichgai.one:80
client.chichgai.one:22
client.chichgai.one:8080
client.chichgai.one:8880
client.chichgai.one:2052
client.chichgai.one:2082
client.chichgai.one:2086
client.chichgai.one:2095
client.chichgai.one:443
client.chichgai.one:2053
client.chichgai.one:2083
client.chichgai.one:2087
client.chichgai.one:2096
client.chichgai.one:8443
sobig.chichgai.one:80
sobig.chichgai.one:22
sobig.chichgai.one:8080
sobig.chichgai.one:8880
sobig.chichgai.one:2052
sobig.chichgai.one:2082
sobig.chichgai.one:2086
sobig.chichgai.one:2095
sobig.chichgai.one:443
sobig.chichgai.one:2053
sobig.chichgai.one:2083
sobig.chichgai.one:2087
sobig.chichgai.one:2096
sobig.chichgai.one:8443
hack.chichgai.one:80
hack.chichgai.one:22
hack.chichgai.one:8080
hack.chichgai.one:8880
hack.chichgai.one:2052
hack.chichgai.one:2082
hack.chichgai.one:2086
hack.chichgai.one:2095
hack.chichgai.one:443
hack.chichgai.one:2053
hack.chichgai.one:2083
hack.chichgai.one:2087
hack.chichgai.one:2096
hack.chichgai.one:8443
hacker.chichgai.one:80
hacker.chichgai.one:22
hacker.chichgai.one:8080
hacker.chichgai.one:8880
hacker.chichgai.one:2052
hacker.chichgai.one:2082
hacker.chichgai.one:2086
hacker.chichgai.one:2095
hacker.chichgai.one:443
hacker.chichgai.one:2053
hacker.chichgai.one:2083
hacker.chichgai.one:2087
hacker.chichgai.one:2096
hacker.chichgai.one:8443

Mutex

rGdmNYZLNLAk

Attributes

delay
0
install
true
install_file
l2yz.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/0x000d00000001c539-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4716	l2yz.exe
4288	l2yz.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
704	cmd.exe
2876	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	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.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	l2yz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l2yz.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1788	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
3088	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
Token: SeDebugPrivilege	4716	l2yz.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5764 wrote to memory of 2876	5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe	89
PID 5764 wrote to memory of 704	5764	ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe	91
PID 2876 wrote to memory of 3088	2876	cmd.exe	93
PID 704 wrote to memory of 1788	704	cmd.exe	94
PID 704 wrote to memory of 4288	704	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe
"C:\Users\Admin\AppData\Local\Temp\ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "l2yz" /tr '"C:\Users\Admin\AppData\Roaming\l2yz.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "l2yz" /tr '"C:\Users\Admin\AppData\Roaming\l2yz.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3088
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3B0B.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:704
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1788
- - C:\Users\Admin\AppData\Roaming\l2yz.exe
    "C:\Users\Admin\AppData\Roaming\l2yz.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4288

C:\Users\Admin\AppData\Roaming\l2yz.exe
"C:\Users\Admin\AppData\Roaming\l2yz.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4716

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

tmp3B0B.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp3B0B.tmp.bat
Size 148B
SHA256 338fab45d0370a3320e13805dcfd25a27f00acbe668acc953b4b40acfadac7cd
MD5 1f9e5ec56d793fee021c35ae25029f82
SHA1 5ebb01c26b0c50101afc0392d0869b03ac929d35
SHA512 8c8765816cccb1ae319343b6a578a668397206ee6b2e9fa21f51a982c8866ccd0fc3c82f4f6a40da4ef28488449731cecda343a9aba59a1f607b68dc9e8e39ba
TLSH
T18EC02B4351C5FA0E6D05941312FED48D91B6FC193F40BF10C384454D638185CF4E9351
MD5 SHA1 SHA512 TLSH

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l2yz.exe

Path C:\Users\Admin\AppData\Roaming\l2yz.exe
Size 45KB
SHA256 ebc1ca7370fee006eefa19c29a695f9f09dea36d0708a8a9487d702ce76e468b
MD5 6fe3c9caeeff0dad4c84ef2d39bbfcee
SHA1 c4316a43241efd808d7148628367465b9d1ed24b
SHA512 00244e6578e0c4c207b5b16d1e08351f1c2e1ceb6f6a1634a76af87dfd7b01c8ad70551bc9175f597c7621f3850b61e401661adbb0f5263c29f4eb731309f955
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVdcP0pycvHPIjzjbHgX3iWpk5/NmCiNjBDZEx:MuBGJTPho2OccMcvgj3bAXSWpuKNldEx
TLSH
T11F232B003BE9823BF2BE4F78A8F26145467AF6632603D64D1CC451DB5A23BC696426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4716-12-0x0000000074F00000-0x00000000756BC000-memory.dmp

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memory/4716-14-0x0000000074F00000-0x00000000756BC000-memory.dmp

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memory/5764-0-0x00000000750E2000-0x00000000750E3000-memory.dmp

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memory/5764-1-0x0000000000BC0000-0x0000000000BD2000-memory.dmp

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memory/5764-2-0x00000000750D0000-0x000000007588C000-memory.dmp

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memory/5764-3-0x0000000005760000-0x00000000057FC000-memory.dmp

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memory/5764-8-0x00000000750D0000-0x000000007588C000-memory.dmp

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