asyncrat | ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059

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
04/08/2026, 06:47

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General

Target
ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
Size 45KB
Sample260804-hke8aaef56
SHA256 ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059
MD5 7619c76a47a786ccf425fe7c39eb1e35
SHA1 a1391965502c9711d9f594e8df51a632bc0a27a3
SHA512 3929ba876ba05909edb2c109afabe6cd89cdfc3b9005ca89821a94b4df8a6ce297746d5a496f4e00c14a7826083363af4a40ef29d6c72b7e52ad36ce344b289a
SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9tcQSCBznqNLPI7zjbJgX3iFoRR+53XZPrBDZ8x:0uPrpT/qY2cc9UqC73bGXSU+lnd8x
TLSH
T1E9233C003BE8812BF2BE4F78A8F26145467AF2673603D5492CC452DB5613FC6DA426FE
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

viet69i.com:80
viet69i.com:22
viet69i.com:8080
viet69i.com:8880
viet69i.com:2052
viet69i.com:2082
viet69i.com:2086
viet69i.com:2095
viet69i.com:443
viet69i.com:2053
viet69i.com:2083
viet69i.com:2087
viet69i.com:2096
viet69i.com:8443
www.viet69i.com:80
www.viet69i.com:22
www.viet69i.com:8080
www.viet69i.com:8880
www.viet69i.com:2052
www.viet69i.com:2082
www.viet69i.com:2086
www.viet69i.com:2095
www.viet69i.com:443
www.viet69i.com:2053
www.viet69i.com:2083
www.viet69i.com:2087
www.viet69i.com:2096
www.viet69i.com:8443
malware.viet69i.com:80
malware.viet69i.com:22
malware.viet69i.com:8080
malware.viet69i.com:8880
malware.viet69i.com:2052
malware.viet69i.com:2082
malware.viet69i.com:2086
malware.viet69i.com:2095
malware.viet69i.com:443
malware.viet69i.com:2053
malware.viet69i.com:2083
malware.viet69i.com:2087
malware.viet69i.com:2096
malware.viet69i.com:8443
dridex.viet69i.com:80
dridex.viet69i.com:22
dridex.viet69i.com:8080
dridex.viet69i.com:8880
dridex.viet69i.com:2052
dridex.viet69i.com:2082
dridex.viet69i.com:2086
dridex.viet69i.com:2095
dridex.viet69i.com:443
dridex.viet69i.com:2053
dridex.viet69i.com:2083
dridex.viet69i.com:2087
dridex.viet69i.com:2096
dridex.viet69i.com:8443
ryuk.viet69i.com:80
ryuk.viet69i.com:22
ryuk.viet69i.com:8080
ryuk.viet69i.com:8880
ryuk.viet69i.com:2052
ryuk.viet69i.com:2082
ryuk.viet69i.com:2086
ryuk.viet69i.com:2095
ryuk.viet69i.com:443
ryuk.viet69i.com:2053
ryuk.viet69i.com:2083
ryuk.viet69i.com:2087
ryuk.viet69i.com:2096
ryuk.viet69i.com:8443

Mutex

wBilH4ozSspl

Attributes

delay
0
install
true
install_file
cg2c3sz.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/0x000d00000001c548-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5200	cg2c3sz.exe
1216	cg2c3sz.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
4964	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	cg2c3sz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.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	cg2c3sz.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3304	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
5940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
Token: SeDebugPrivilege	5200	cg2c3sz.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 6120	2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe	89
PID 2548 wrote to memory of 4964	2548	ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe	90
PID 6120 wrote to memory of 5940	6120	cmd.exe	93
PID 4964 wrote to memory of 3304	4964	cmd.exe	94
PID 4964 wrote to memory of 1216	4964	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
"C:\Users\Admin\AppData\Local\Temp\ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cg2c3sz" /tr '"C:\Users\Admin\AppData\Roaming\cg2c3sz.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6120
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "cg2c3sz" /tr '"C:\Users\Admin\AppData\Roaming\cg2c3sz.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEAC.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4964
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3304
- - C:\Users\Admin\AppData\Roaming\cg2c3sz.exe
    "C:\Users\Admin\AppData\Roaming\cg2c3sz.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1216

C:\Users\Admin\AppData\Roaming\cg2c3sz.exe
"C:\Users\Admin\AppData\Roaming\cg2c3sz.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5200

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

tmpEAC.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpEAC.tmp.bat
Size 150B
SHA256 5f19d077172dfc16280706e54041be212b4b58220d7a07586df9dd8f4f407b41
MD5 549cb217b0967d70b1e96171522da683
SHA1 73979a7761749b8ca9ff59a7f61fe69ba6cb1fcf
SHA512 218768a8fb285b5dd07b0f17e4fcb93b308eaec8564772403b21b585735f99cc0fc346df3751cdf6625704c6f5dde7915607e45b6fa9d1c4fceb29645d60d7a2
TLSH
T1E9C02B8251C7EA1F7C45182312FAD49CA1736C293F48FB14C385C40DD6C0458F0DA381
MD5 SHA1 SHA512 TLSH

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cg2c3sz.exe

Path C:\Users\Admin\AppData\Roaming\cg2c3sz.exe
Size 45KB
SHA256 ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059
MD5 7619c76a47a786ccf425fe7c39eb1e35
SHA1 a1391965502c9711d9f594e8df51a632bc0a27a3
SHA512 3929ba876ba05909edb2c109afabe6cd89cdfc3b9005ca89821a94b4df8a6ce297746d5a496f4e00c14a7826083363af4a40ef29d6c72b7e52ad36ce344b289a
SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9tcQSCBznqNLPI7zjbJgX3iFoRR+53XZPrBDZ8x:0uPrpT/qY2cc9UqC73bGXSU+lnd8x
TLSH
T1E9233C003BE8812BF2BE4F78A8F26145467AF2673603D5492CC452DB5613FC6DA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2548-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

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memory/2548-1-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

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memory/2548-2-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/2548-3-0x00000000054B0000-0x000000000554C000-memory.dmp

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memory/2548-8-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/5200-12-0x00000000748B0000-0x000000007506C000-memory.dmp

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memory/5200-14-0x00000000748B0000-0x000000007506C000-memory.dmp

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