asyncrat | e34f6d4d5a474891173fdb5ac7cc75f38d6e974179cc35fd3ca86f4ab1484780

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
26/06/2026, 10:46

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General

Target
iclkasld.exe
Size 45KB
Sample260626-mvcmcsbv2q
SHA256 e34f6d4d5a474891173fdb5ac7cc75f38d6e974179cc35fd3ca86f4ab1484780
MD5 3c18bf7b88dbade1610447794184829d
SHA1 31d58944ef39ea60a25b55672c56b88884b61092
SHA512 29676753d55920e918a80f97e83dc19058afa2c5838260a9c47e530b87ab4dca9fe13712022806561c6ac53ce5de3a7613f7e78860e999636c22e0828bd51c8a
SSDEEP 768:pu2n0TckJ26WUsFvgmo2q7CgzIUVx7PIdwjbPgX3iS6Zirag58YUBDZ6x:pu2n0TceH2F57d4b4XSS6oX1id6x
TLSH
T18D23F9003BE8863AF2BF4FB868F26145867AF1633603D54D2CC451DB5623BC6DA526F9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

admin defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Admin

sexkola.com:80
sexkola.com:443
www.sexkola.com:80
www.sexkola.com:443

Mutex

UMs3YURAWQqJ

Attributes

delay
3
install
true
install_file
iclkasld.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/0x000f00000001c5d7-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5836	iclkasld.exe
1384	iclkasld.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	iclkasld.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iclkasld.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	iclkasld.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4400	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
5192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe
3700	iclkasld.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3700	iclkasld.exe
Token: SeDebugPrivilege	5836	iclkasld.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 820	3700	iclkasld.exe	89
PID 3700 wrote to memory of 2356	3700	iclkasld.exe	91
PID 820 wrote to memory of 5192	820	cmd.exe	93
PID 2356 wrote to memory of 4400	2356	cmd.exe	94
PID 2356 wrote to memory of 1384	2356	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\iclkasld.exe
"C:\Users\Admin\AppData\Local\Temp\iclkasld.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "iclkasld" /tr '"C:\Users\Admin\AppData\Roaming\iclkasld.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:820
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "iclkasld" /tr '"C:\Users\Admin\AppData\Roaming\iclkasld.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5192
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB447.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4400
- - C:\Users\Admin\AppData\Roaming\iclkasld.exe
    "C:\Users\Admin\AppData\Roaming\iclkasld.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1384

C:\Users\Admin\AppData\Roaming\iclkasld.exe
"C:\Users\Admin\AppData\Roaming\iclkasld.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5836

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

tmpB447.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB447.tmp.bat
Size 152B
SHA256 d0e52e7ee4fef749cf4ede6c8910e8dde2c6ee16018793921991c4e373c88136
MD5 953fa0853ff72e4ecbcbdc868ad896a9
SHA1 0351bd7e8937ed44f4828b68b4e556815f83d0d6
SHA512 9e3dcca8267143a353f5977f66a0ceecfd7cf11f14f75e5e30e8edd11c42bf2443f0ba7c762feb67d998e49584a7128749b850e2f16f57ab1c1f69a5d3cef5c2
TLSH
T19AC02B8372C6EA0F3909543303FAE48CA172FC693F40BB00D304444D12C0849F4E93C2
MD5 SHA1 SHA512 TLSH

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iclkasld.exe

Path C:\Users\Admin\AppData\Roaming\iclkasld.exe
Size 45KB
SHA256 e34f6d4d5a474891173fdb5ac7cc75f38d6e974179cc35fd3ca86f4ab1484780
MD5 3c18bf7b88dbade1610447794184829d
SHA1 31d58944ef39ea60a25b55672c56b88884b61092
SHA512 29676753d55920e918a80f97e83dc19058afa2c5838260a9c47e530b87ab4dca9fe13712022806561c6ac53ce5de3a7613f7e78860e999636c22e0828bd51c8a
SSDEEP 768:pu2n0TckJ26WUsFvgmo2q7CgzIUVx7PIdwjbPgX3iS6Zirag58YUBDZ6x:pu2n0TceH2F57d4b4XSS6oX1id6x
TLSH
T18D23F9003BE8863AF2BF4FB868F26145867AF1633603D54D2CC451DB5623BC6DA526F9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3700-0-0x00000000750F2000-0x00000000750F3000-memory.dmp

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memory/3700-1-0x0000000000060000-0x0000000000072000-memory.dmp

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memory/3700-2-0x00000000750E0000-0x000000007589C000-memory.dmp

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memory/3700-3-0x0000000004C90000-0x0000000004D2C000-memory.dmp

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memory/3700-9-0x00000000750E0000-0x000000007589C000-memory.dmp

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memory/5836-12-0x00000000750E0000-0x000000007589C000-memory.dmp

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memory/5836-14-0x00000000750E0000-0x000000007589C000-memory.dmp

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