asyncrat | cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9

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, 15:45

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General

Target
cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
Size 45KB
Sample260718-s7b49ah16w
SHA256 cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9
MD5 1d27678f8afd78ab8727cbe67ba2e68b
SHA1 1f50eb071aad2a3bb0324fd985b7330a696f32b2
SHA512 02d32d894ceaa6ff31c581b8c4428517c76c35f95ae3489be796c2c2b17f5986a7299a07893748f60fc77f6ee6136c3e95157fe90f081b21c5ebc6af181c8b2c
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1opt0CCM+d4CvS8PIkdjbwgX3igIeUekNlebBDZMx:wuZ8pT1tc2x/CFWBk1b3XSveAleNdMx
TLSH
T1D2231A003BE9812BF6BE4B78A8F26145467AF2633603D5491CC451DB5723FC69A43AFE
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
remcos.chichgai.one:80
remcos.chichgai.one:22
remcos.chichgai.one:8080
remcos.chichgai.one:8880
remcos.chichgai.one:2052
remcos.chichgai.one:2082
remcos.chichgai.one:2086
remcos.chichgai.one:2095
remcos.chichgai.one:443
remcos.chichgai.one:2053
remcos.chichgai.one:2083
remcos.chichgai.one:2087
remcos.chichgai.one:2096
remcos.chichgai.one:8443
notpetya.chichgai.one:80
notpetya.chichgai.one:22
notpetya.chichgai.one:8080
notpetya.chichgai.one:8880
notpetya.chichgai.one:2052
notpetya.chichgai.one:2082
notpetya.chichgai.one:2086
notpetya.chichgai.one:2095
notpetya.chichgai.one:443
notpetya.chichgai.one:2053
notpetya.chichgai.one:2083
notpetya.chichgai.one:2087
notpetya.chichgai.one:2096
notpetya.chichgai.one:8443

Mutex

jc6F8QZdcBPg

Attributes

delay
0
install
true
install_file
klub.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/0x000d00000001c5cc-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5728	klub.exe
436	klub.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
6076	cmd.exe
4248	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	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	klub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	klub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4612	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
5212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
Token: SeDebugPrivilege	5728	klub.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 6076	3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe	89
PID 3000 wrote to memory of 4248	3000	cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe	90
PID 6076 wrote to memory of 5212	6076	cmd.exe	93
PID 4248 wrote to memory of 4612	4248	cmd.exe	94
PID 4248 wrote to memory of 436	4248	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe
"C:\Users\Admin\AppData\Local\Temp\cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "klub" /tr '"C:\Users\Admin\AppData\Roaming\klub.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6076
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "klub" /tr '"C:\Users\Admin\AppData\Roaming\klub.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5212
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp50D5.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4612
- - C:\Users\Admin\AppData\Roaming\klub.exe
    "C:\Users\Admin\AppData\Roaming\klub.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:436

C:\Users\Admin\AppData\Roaming\klub.exe
"C:\Users\Admin\AppData\Roaming\klub.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5728

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

tmp50D5.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp50D5.tmp.bat
Size 148B
SHA256 2fa213ac4c87374601a403b8a7211806fe26b6f20bd560465c17bd9b7020c823
MD5 c0c1ba3abeeaed68c2a86d263365b416
SHA1 d7966d0180713a812cb3ecf123c852513e3e7c2e
SHA512 0b0b787fd910ea547a91f7771795843d20ae3621d311df348a9b29494fc4d27a6b93527fc9d08a8a8807275032b65302842cef1e197ec2f7c922ef68f0372636
TLSH
T184C02B8251C5EA4E2C0E149302FAD98CD2B2AC2A3F40BF10C784440F2280488F4D9385
MD5 SHA1 SHA512 TLSH

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klub.exe

Path C:\Users\Admin\AppData\Roaming\klub.exe
Size 45KB
SHA256 cea7eac9ef0667e8afb3b4d65432d9be94dfb5beaaefb6abb4128aba714508d9
MD5 1d27678f8afd78ab8727cbe67ba2e68b
SHA1 1f50eb071aad2a3bb0324fd985b7330a696f32b2
SHA512 02d32d894ceaa6ff31c581b8c4428517c76c35f95ae3489be796c2c2b17f5986a7299a07893748f60fc77f6ee6136c3e95157fe90f081b21c5ebc6af181c8b2c
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1opt0CCM+d4CvS8PIkdjbwgX3igIeUekNlebBDZMx:wuZ8pT1tc2x/CFWBk1b3XSveAleNdMx
TLSH
T1D2231A003BE9812BF6BE4B78A8F26145467AF2633603D5491CC451DB5723FC69A43AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3000-0-0x0000000074582000-0x0000000074583000-memory.dmp

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memory/3000-1-0x0000000000130000-0x0000000000142000-memory.dmp

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memory/3000-2-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/3000-3-0x0000000004B60000-0x0000000004BFC000-memory.dmp

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memory/3000-8-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/5728-12-0x00000000743A0000-0x0000000074B5C000-memory.dmp

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memory/5728-14-0x00000000743A0000-0x0000000074B5C000-memory.dmp

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