asyncrat | 60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a

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
15/07/2026, 12:14

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General

Target
60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
Size 45KB
Sample260715-peeswsft51
SHA256 60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a
MD5 d821ebe9c5c11d32ba1402e9af17a876
SHA1 a28b9f36d9b06c1ac0c2da8a2c04ebef2150dd08
SHA512 a16ceb7856cf37bff4dd4d4d4be3bee739cc161d124b5d163526bc54095bdb43697531d4bfad294a41047e6a97082082ec51219860477ffa58f0170a9d7f6364
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9tCfwTMjPIqKjbTgX3iNU9iDqxa02QwswBDZsx:EulCJTHl42a91qGbMXSNYiDqxaPdsx
TLSH
T1F6231A0037E8C12BF2BE4F7899F26245867AF6673603D54E1CC451DB5623BC68A427FA
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

vuasexviet.com:80
vuasexviet.com:22
vuasexviet.com:8080
vuasexviet.com:8880
vuasexviet.com:2052
vuasexviet.com:2082
vuasexviet.com:2086
vuasexviet.com:2095
vuasexviet.com:443
vuasexviet.com:2053
vuasexviet.com:2083
vuasexviet.com:2087
vuasexviet.com:2096
vuasexviet.com:8443
www.vuasexviet.com:80
www.vuasexviet.com:22
www.vuasexviet.com:8080
www.vuasexviet.com:8880
www.vuasexviet.com:2052
www.vuasexviet.com:2082
www.vuasexviet.com:2086
www.vuasexviet.com:2095
www.vuasexviet.com:443
www.vuasexviet.com:2053
www.vuasexviet.com:2083
www.vuasexviet.com:2087
www.vuasexviet.com:2096
www.vuasexviet.com:8443
malware.vuasexviet.com:80
malware.vuasexviet.com:22
malware.vuasexviet.com:8080
malware.vuasexviet.com:8880
malware.vuasexviet.com:2052
malware.vuasexviet.com:2082
malware.vuasexviet.com:2086
malware.vuasexviet.com:2095
malware.vuasexviet.com:443
malware.vuasexviet.com:2053
malware.vuasexviet.com:2083
malware.vuasexviet.com:2087
malware.vuasexviet.com:2096
malware.vuasexviet.com:8443
clop.vuasexviet.com:80
clop.vuasexviet.com:22
clop.vuasexviet.com:8080
clop.vuasexviet.com:8880
clop.vuasexviet.com:2052
clop.vuasexviet.com:2082
clop.vuasexviet.com:2086
clop.vuasexviet.com:2095
clop.vuasexviet.com:443
clop.vuasexviet.com:2053
clop.vuasexviet.com:2083
clop.vuasexviet.com:2087
clop.vuasexviet.com:2096
clop.vuasexviet.com:8443
connect.vuasexviet.com:80
connect.vuasexviet.com:22
connect.vuasexviet.com:8080
connect.vuasexviet.com:8880
connect.vuasexviet.com:2052
connect.vuasexviet.com:2082
connect.vuasexviet.com:2086
connect.vuasexviet.com:2095
connect.vuasexviet.com:443
connect.vuasexviet.com:2053
connect.vuasexviet.com:2083
connect.vuasexviet.com:2087
connect.vuasexviet.com:2096
connect.vuasexviet.com:8443

Mutex

Ld1cttLvwaCC

Attributes

delay
0
install
true
install_file
oy6f76.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/0x000d00000001c614-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2688	oy6f76.exe
5068	oy6f76.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	oy6f76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oy6f76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.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
3236	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
1052	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 4716	828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe	86
PID 828 wrote to memory of 5116	828	60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe	88
PID 4716 wrote to memory of 1052	4716	cmd.exe	90
PID 5116 wrote to memory of 3236	5116	cmd.exe	91
PID 5116 wrote to memory of 5068	5116	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe
"C:\Users\Admin\AppData\Local\Temp\60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:828
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "oy6f76" /tr '"C:\Users\Admin\AppData\Roaming\oy6f76.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4716
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "oy6f76" /tr '"C:\Users\Admin\AppData\Roaming\oy6f76.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1052
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE97C.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3236
- - C:\Users\Admin\AppData\Roaming\oy6f76.exe
    "C:\Users\Admin\AppData\Roaming\oy6f76.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5068

C:\Users\Admin\AppData\Roaming\oy6f76.exe
"C:\Users\Admin\AppData\Roaming\oy6f76.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2688

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

tmpE97C.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpE97C.tmp.bat
Size 150B
SHA256 6bc33b112ddb7349f56be729ac7a0da1db94060a12e9de5663b6491d7c46c5f7
MD5 880ca910fcc023f248f4fd4e8091c423
SHA1 b50fe4bd269f5b11118a2bee436c4ca8bad72bdc
SHA512 8393dc7f0162765abb5e3752ec4cf9464bef4f34d41d79e35aec7ed9fa7b4e27c5cdedd4395446894fee98846704946184f082b81aff5f6a4a5c18093cd42366
TLSH
T1AEC02B5395C6EA0E3846141313FAE4CC91727C5D3F84BB08EB04840D22C0848F0EB341
MD5 SHA1 SHA512 TLSH

Submit Download

oy6f76.exe

Path C:\Users\Admin\AppData\Roaming\oy6f76.exe
Size 45KB
SHA256 60c7aa12f83804302d69512345b544f382a964896727d77c23f6f1d1831cf69a
MD5 d821ebe9c5c11d32ba1402e9af17a876
SHA1 a28b9f36d9b06c1ac0c2da8a2c04ebef2150dd08
SHA512 a16ceb7856cf37bff4dd4d4d4be3bee739cc161d124b5d163526bc54095bdb43697531d4bfad294a41047e6a97082082ec51219860477ffa58f0170a9d7f6364
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9tCfwTMjPIqKjbTgX3iNU9iDqxa02QwswBDZsx:EulCJTHl42a91qGbMXSNYiDqxaPdsx
TLSH
T1F6231A0037E8C12BF2BE4F7899F26245867AF6673603D54E1CC451DB5623BC68A427FA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/828-0-0x0000000075102000-0x0000000075103000-memory.dmp

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memory/828-1-0x0000000000B00000-0x0000000000B12000-memory.dmp

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memory/828-2-0x00000000750F0000-0x00000000758AC000-memory.dmp

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memory/828-3-0x0000000005510000-0x00000000055AC000-memory.dmp

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memory/828-8-0x00000000750F0000-0x00000000758AC000-memory.dmp

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memory/2688-12-0x00000000750F0000-0x00000000758AC000-memory.dmp

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memory/2688-14-0x00000000750F0000-0x00000000758AC000-memory.dmp

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