asyncrat | ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 18:33

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General

Target
ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
Size 45KB
Sample260801-w68cvaem2x
SHA256 ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb
MD5 52be12fe581831e9766e87c709a591e8
SHA1 45265c097058a409eda2e012f1ecac24277ebffe
SHA512 eef5f833b0a5f0a73e1be3b2ed7cc3aa4f8425eb7defaeaddc3c5ec40fee45a823845b491767b72a95ac2c86f5e090a815acb61692155bd1b88a92a088b5c4ea
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAhpt0CCM+d4CvS8PIMcjb7gX3iICP3FkMIC6+dBDZMx:kuSOpTPOP2x/CFWBMsbEXS/PWW66dMx
TLSH
T1F1232B003BE8812BF1BE4F7469F26145867AF5732603D64E1CC451DB5A23FC68A53AEE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

hentaivietsub.com:80
hentaivietsub.com:22
hentaivietsub.com:8080
hentaivietsub.com:8880
hentaivietsub.com:2052
hentaivietsub.com:2082
hentaivietsub.com:2086
hentaivietsub.com:2095
hentaivietsub.com:443
hentaivietsub.com:2053
hentaivietsub.com:2083
hentaivietsub.com:2087
hentaivietsub.com:2096
hentaivietsub.com:8443
www.hentaivietsub.com:80
www.hentaivietsub.com:22
www.hentaivietsub.com:8080
www.hentaivietsub.com:8880
www.hentaivietsub.com:2052
www.hentaivietsub.com:2082
www.hentaivietsub.com:2086
www.hentaivietsub.com:2095
www.hentaivietsub.com:443
www.hentaivietsub.com:2053
www.hentaivietsub.com:2083
www.hentaivietsub.com:2087
www.hentaivietsub.com:2096
www.hentaivietsub.com:8443
blaster.hentaivietsub.com:80
blaster.hentaivietsub.com:22
blaster.hentaivietsub.com:8080
blaster.hentaivietsub.com:8880
blaster.hentaivietsub.com:2052
blaster.hentaivietsub.com:2082
blaster.hentaivietsub.com:2086
blaster.hentaivietsub.com:2095
blaster.hentaivietsub.com:443
blaster.hentaivietsub.com:2053
blaster.hentaivietsub.com:2083
blaster.hentaivietsub.com:2087
blaster.hentaivietsub.com:2096
blaster.hentaivietsub.com:8443
trickbot.hentaivietsub.com:80
trickbot.hentaivietsub.com:22
trickbot.hentaivietsub.com:8080
trickbot.hentaivietsub.com:8880
trickbot.hentaivietsub.com:2052
trickbot.hentaivietsub.com:2082
trickbot.hentaivietsub.com:2086
trickbot.hentaivietsub.com:2095
trickbot.hentaivietsub.com:443
trickbot.hentaivietsub.com:2053
trickbot.hentaivietsub.com:2083
trickbot.hentaivietsub.com:2087
trickbot.hentaivietsub.com:2096
trickbot.hentaivietsub.com:8443
malware.hentaivietsub.com:80
malware.hentaivietsub.com:22
malware.hentaivietsub.com:8080
malware.hentaivietsub.com:8880
malware.hentaivietsub.com:2052
malware.hentaivietsub.com:2082
malware.hentaivietsub.com:2086
malware.hentaivietsub.com:2095
malware.hentaivietsub.com:443
malware.hentaivietsub.com:2053
malware.hentaivietsub.com:2083
malware.hentaivietsub.com:2087
malware.hentaivietsub.com:2096
malware.hentaivietsub.com:8443

Mutex

U04LRyMywhvF

Attributes

delay
0
install
true
install_file
atbb.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/0x000d00000001c532-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
6120	atbb.exe
5136	atbb.exe

Outbound SSH connection to public host 2 TTPs 3 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	13	104.26.4.224:22
SSH destination	14	104.26.5.224:22
SSH destination	16	172.67.71.165:22

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
3260	cmd.exe
3516	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	atbb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	atbb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2356	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
3304	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
Token: SeDebugPrivilege	6120	atbb.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 3260	4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe	89
PID 4456 wrote to memory of 3516	4456	ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe	90
PID 3260 wrote to memory of 3304	3260	cmd.exe	93
PID 3516 wrote to memory of 2356	3516	cmd.exe	94
PID 3516 wrote to memory of 5136	3516	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe
"C:\Users\Admin\AppData\Local\Temp\ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "atbb" /tr '"C:\Users\Admin\AppData\Roaming\atbb.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3260
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "atbb" /tr '"C:\Users\Admin\AppData\Roaming\atbb.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3304
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3639.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3516
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2356
- - C:\Users\Admin\AppData\Roaming\atbb.exe
    "C:\Users\Admin\AppData\Roaming\atbb.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5136

C:\Users\Admin\AppData\Roaming\atbb.exe
"C:\Users\Admin\AppData\Roaming\atbb.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:6120

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

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmp3639.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp3639.tmp.bat
Size 148B
SHA256 d78dee32ca464e773ca10883916fc36240dfdef63b3adbfb6d24abcc58dad47b
MD5 cfdd8112454590e69ce74f0204df9057
SHA1 4fed695514a15b9647a1ff3c5e127a125ffc2c68
SHA512 954f970f53cfa6b6180e6b592411797e80737d20db1065fcb0b00a91ed2a056ffe33f49dfa9c44750e0e811d8f788f10d8dab0ce169b83272eb1545c819a3a57
TLSH
T10AC02B4251C6EA1E7D05141302FBE48C917B7C5D3F40BB20C30CC42D2282C49F0D9345
MD5 SHA1 SHA512 TLSH

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atbb.exe

Path C:\Users\Admin\AppData\Roaming\atbb.exe
Size 45KB
SHA256 ce57777fc1a0ce41830e29f4b33b1dd558e9760c3b3d3c4d7eb6a428c4fb48fb
MD5 52be12fe581831e9766e87c709a591e8
SHA1 45265c097058a409eda2e012f1ecac24277ebffe
SHA512 eef5f833b0a5f0a73e1be3b2ed7cc3aa4f8425eb7defaeaddc3c5ec40fee45a823845b491767b72a95ac2c86f5e090a815acb61692155bd1b88a92a088b5c4ea
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAhpt0CCM+d4CvS8PIMcjb7gX3iICP3FkMIC6+dBDZMx:kuSOpTPOP2x/CFWBMsbEXS/PWW66dMx
TLSH
T1F1232B003BE8812BF1BE4F7469F26145867AF5732603D64E1CC451DB5A23FC68A53AEE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4456-0-0x00000000745D2000-0x00000000745D3000-memory.dmp

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memory/4456-1-0x0000000000F40000-0x0000000000F52000-memory.dmp

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memory/4456-2-0x00000000745C0000-0x0000000074D7C000-memory.dmp

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memory/4456-3-0x0000000005A80000-0x0000000005B1C000-memory.dmp

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memory/4456-8-0x00000000745C0000-0x0000000074D7C000-memory.dmp

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memory/6120-12-0x00000000743F0000-0x0000000074BAC000-memory.dmp

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memory/6120-14-0x00000000743F0000-0x0000000074BAC000-memory.dmp

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