asyncrat | 536f60b6c9dcf7809d14c2875189db8182176921644045580b30c03dfea24918

Analysis

max time kernel
24s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/07/2026, 13:27

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General

Target
ck1.exe
Size 45KB
Sample260701-qqfd8shs8s
SHA256 536f60b6c9dcf7809d14c2875189db8182176921644045580b30c03dfea24918
MD5 df85bd9c6dff7575b56dc5165246afab
SHA1 1f0e28a562792351b2d0d91e08df03c314a449b4
SHA512 7b1054d6f0ad93aeb359cdf5ff6a2c6231c31d4bc7782a5c463e6fd344aef4a8104e783459c638167496f7c9e0bafb15f6c28f30b9c27c114d0d9c5ce1502b6e
SSDEEP 768:JuifNTdFHLBWUZzGrmo2qrEv5U9GJAoqEzPIb3zjbngX3i1JU0ybcmfcWwMhtBDT:JuifNTdB+29vMhpb33bgXS1JUJhNdbx
TLSH
T13D232B103BE8812BF1BE4F78ACF26145467AF2637603D6492CC451DB5713BC69A42AEE
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

cannabi.io:443
cannabi.io:80
cannabi.io:25
cannabi.io:8443
chicagodot.org:443
chicagodot.org:80
chicagodot.org:25
chicagodot.org:8443
eduproof.io:443
eduproof.io:80
eduproof.io:25
eduproof.io:8443
cakhiatv.org.in:443
cakhiatv.org.in:80
cakhiatv.org.in:25
cakhiatv.org.in:8443

Mutex

VszeNRqKAa0C

Attributes

delay
9
install
true
install_file
ck1.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/0x000e00000001c522-11.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1928	ck1.exe
5340	ck1.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	ck1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ck1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ck1.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5460	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
4888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe
4092	ck1.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4092	ck1.exe
Token: SeDebugPrivilege	1928	ck1.exe
Token: SeDebugPrivilege	1928	ck1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 5908	4092	ck1.exe	88
PID 4092 wrote to memory of 4380	4092	ck1.exe	90
PID 5908 wrote to memory of 4888	5908	cmd.exe	92
PID 4380 wrote to memory of 5460	4380	cmd.exe	93
PID 4380 wrote to memory of 5340	4380	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\ck1.exe
"C:\Users\Admin\AppData\Local\Temp\ck1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ck1" /tr '"C:\Users\Admin\AppData\Roaming\ck1.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5908
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ck1" /tr '"C:\Users\Admin\AppData\Roaming\ck1.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4888
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF150.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4380
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5460
- - C:\Users\Admin\AppData\Roaming\ck1.exe
    "C:\Users\Admin\AppData\Roaming\ck1.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5340

C:\Users\Admin\AppData\Roaming\ck1.exe
"C:\Users\Admin\AppData\Roaming\ck1.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1928

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:612
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  PID:3412

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
1⤵
PID:3700

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3160

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

prep_Activatable Class_Hermes_perf.cache

Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
Size 599B
SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
MD5 658ab8c32d4cc5deb36ac5f63da4658b
SHA1 30c12cd871ff0c2c4098d794e9ae4f2540586813
SHA512 a73030c008ef3c2e274f11c90bfe79fa8ae402f76801c710bed8cc1ab1218a84858ea566b772be4bade8ef639a019c57d297028df15b64b3753482cf0f3c8f85
TLSH
T12AF05C83EB6A1B72C456123DC8EE56E47B31D1846EC11367A2107B1D3C2B7192D174BD
MD5 SHA1 SHA512 TLSH

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tmpF150.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpF150.tmp.bat
Size 147B
SHA256 11583dce508e30d3f957989d6277f7165b69588037fa603957d4d6fe064c73df
MD5 39d0d5f7785b3c09cdf23f907a0c7797
SHA1 fd33b5ad8c3ca47a7b530b2b4d36aba1402399c3
SHA512 d58f5ba9953f4aaccabbc739550d7307734353e8c77ef7e7543f064fc2b2f1c8b90acae81ad7b1ee6038b4cd2e9e2d63924967ca2c15b15f552e502c05c1480f
TLSH
T1CFC02B625DCAFF0E2C05545303FED4CEE2726C193F40BB40E344440D1280448F0EA381
MD5 SHA1 SHA512 TLSH

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ck1.exe

Path C:\Users\Admin\AppData\Roaming\ck1.exe
Size 45KB
SHA256 536f60b6c9dcf7809d14c2875189db8182176921644045580b30c03dfea24918
MD5 df85bd9c6dff7575b56dc5165246afab
SHA1 1f0e28a562792351b2d0d91e08df03c314a449b4
SHA512 7b1054d6f0ad93aeb359cdf5ff6a2c6231c31d4bc7782a5c463e6fd344aef4a8104e783459c638167496f7c9e0bafb15f6c28f30b9c27c114d0d9c5ce1502b6e
SSDEEP 768:JuifNTdFHLBWUZzGrmo2qrEv5U9GJAoqEzPIb3zjbngX3i1JU0ybcmfcWwMhtBDT:JuifNTdB+29vMhpb33bgXS1JUJhNdbx
TLSH
T13D232B103BE8812BF1BE4F78ACF26145467AF2637603D6492CC451DB5713BC69A42AEE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1928-15-0x00000000749C0000-0x000000007517C000-memory.dmp

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memory/1928-13-0x00000000749C0000-0x000000007517C000-memory.dmp

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memory/3700-56-0x0000015683BF0000-0x0000015683C10000-memory.dmp

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memory/3700-35-0x0000015680000000-0x0000015680100000-memory.dmp

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memory/3700-44-0x0000015683AB0000-0x0000015683AD0000-memory.dmp

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memory/3700-82-0x00000156940B0000-0x00000156940D0000-memory.dmp

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memory/3700-45-0x0000015683CB0000-0x0000015683DB0000-memory.dmp

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memory/4092-9-0x0000000074BC0000-0x000000007537C000-memory.dmp

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memory/4092-4-0x0000000005010000-0x00000000050AC000-memory.dmp

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memory/4092-3-0x0000000074BC0000-0x000000007537C000-memory.dmp

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memory/4092-2-0x0000000074BD2000-0x0000000074BD3000-memory.dmp

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memory/4092-1-0x00000000004A0000-0x00000000004B2000-memory.dmp

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memory/4092-0-0x0000000074BD2000-0x0000000074BD3000-memory.dmp

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