asyncrat | f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/07/2026, 11:03

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General

Target
f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
Size 45KB
Sample260722-m52n8stdjd
SHA256 f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f
MD5 b8a69d68f36aca4e161e711315345183
SHA1 9780c11b34b4c1a95a43efdc6336fb65d1ae3acc
SHA512 16c9b67f3e489064aa13e13d91a8310968f473b62ce0bdda7b8f62e78e48e6c25339db292c16f1f6bc31b73cf2dcb9965d4bfeb6e56656ce5817a43093fc770f
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1V8V1yp7EcPIpzjb8gX3iNdHiyoabBDZMx:wuZ8pT1tc2W8V41Ehp3bTXSNdHPNdMx
TLSH
T154232A103BE9823BF2BE4F7898F26145867AF6633603D5491CC441DB5723BC69642AFE
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

sex18.tech:80
sex18.tech:22
sex18.tech:8080
sex18.tech:8880
sex18.tech:2052
sex18.tech:2082
sex18.tech:2086
sex18.tech:2095
sex18.tech:443
sex18.tech:2053
sex18.tech:2083
sex18.tech:2087
sex18.tech:2096
sex18.tech:8443
www.sex18.tech:80
www.sex18.tech:22
www.sex18.tech:8080
www.sex18.tech:8880
www.sex18.tech:2052
www.sex18.tech:2082
www.sex18.tech:2086
www.sex18.tech:2095
www.sex18.tech:443
www.sex18.tech:2053
www.sex18.tech:2083
www.sex18.tech:2087
www.sex18.tech:2096
www.sex18.tech:8443
malware.sex18.tech:80
malware.sex18.tech:22
malware.sex18.tech:8080
malware.sex18.tech:8880
malware.sex18.tech:2052
malware.sex18.tech:2082
malware.sex18.tech:2086
malware.sex18.tech:2095
malware.sex18.tech:443
malware.sex18.tech:2053
malware.sex18.tech:2083
malware.sex18.tech:2087
malware.sex18.tech:2096
malware.sex18.tech:8443
revil.sex18.tech:80
revil.sex18.tech:22
revil.sex18.tech:8080
revil.sex18.tech:8880
revil.sex18.tech:2052
revil.sex18.tech:2082
revil.sex18.tech:2086
revil.sex18.tech:2095
revil.sex18.tech:443
revil.sex18.tech:2053
revil.sex18.tech:2083
revil.sex18.tech:2087
revil.sex18.tech:2096
revil.sex18.tech:8443
conti.sex18.tech:80
conti.sex18.tech:22
conti.sex18.tech:8080
conti.sex18.tech:8880
conti.sex18.tech:2052
conti.sex18.tech:2082
conti.sex18.tech:2086
conti.sex18.tech:2095
conti.sex18.tech:443
conti.sex18.tech:2053
conti.sex18.tech:2083
conti.sex18.tech:2087
conti.sex18.tech:2096
conti.sex18.tech:8443

Mutex

JkYTqi1fraVJ

Attributes

delay
0
install
true
install_file
i67x.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/0x0004000000000431-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4132	i67x.exe
4880	i67x.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
4644	cmd.exe
5772	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i67x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i67x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4872	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
4148	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
Token: SeDebugPrivilege	4132	i67x.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5724 wrote to memory of 4644	5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe	89
PID 5724 wrote to memory of 5772	5724	f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe	90
PID 5772 wrote to memory of 4872	5772	cmd.exe	93
PID 4644 wrote to memory of 4148	4644	cmd.exe	94
PID 5772 wrote to memory of 4880	5772	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe
"C:\Users\Admin\AppData\Local\Temp\f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "i67x" /tr '"C:\Users\Admin\AppData\Roaming\i67x.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "i67x" /tr '"C:\Users\Admin\AppData\Roaming\i67x.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4148
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp810D.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5772
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4872
- - C:\Users\Admin\AppData\Roaming\i67x.exe
    "C:\Users\Admin\AppData\Roaming\i67x.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4880

C:\Users\Admin\AppData\Roaming\i67x.exe
"C:\Users\Admin\AppData\Roaming\i67x.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4132

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

tmp810D.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp810D.tmp.bat
Size 148B
SHA256 4959a521f96976eb5d841debdc5ba2a4978ad4f8102059f843051152557f931f
MD5 fc7b9c584e792de355672aade2d8d62e
SHA1 a45854783ce63c5de4e0ad84d27b3542ae040ad5
SHA512 5558befc2351eb69225f89e51a3b1ea6497d3ca22601c703c174e3e213e97c86307e9208d574a8daa0adb3d41b5984ccdbc309bb716fce4eb4ff87a873bdc23c
TLSH
T180C02B9262C5EA0E2805542317FED48CA2726C5E3F40BB10C708400D5280848F0E9341
MD5 SHA1 SHA512 TLSH

Submit Download

i67x.exe

Path C:\Users\Admin\AppData\Roaming\i67x.exe
Size 45KB
SHA256 f7c5713f00cae7da278c91fcb8cd850710ef3f1aaa00babc970fdb7b4644ad1f
MD5 b8a69d68f36aca4e161e711315345183
SHA1 9780c11b34b4c1a95a43efdc6336fb65d1ae3acc
SHA512 16c9b67f3e489064aa13e13d91a8310968f473b62ce0bdda7b8f62e78e48e6c25339db292c16f1f6bc31b73cf2dcb9965d4bfeb6e56656ce5817a43093fc770f
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1V8V1yp7EcPIpzjb8gX3iNdHiyoabBDZMx:wuZ8pT1tc2W8V41Ehp3bTXSNdHPNdMx
TLSH
T154232A103BE9823BF2BE4F7898F26145867AF6633603D5491CC441DB5723BC69642AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4132-12-0x0000000074A30000-0x00000000751EC000-memory.dmp

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memory/4132-14-0x0000000074A30000-0x00000000751EC000-memory.dmp

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memory/5724-0-0x0000000074A42000-0x0000000074A43000-memory.dmp

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memory/5724-1-0x0000000000C30000-0x0000000000C42000-memory.dmp

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memory/5724-2-0x0000000074A30000-0x00000000751EC000-memory.dmp

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memory/5724-3-0x00000000058F0000-0x000000000598C000-memory.dmp

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memory/5724-8-0x0000000074A30000-0x00000000751EC000-memory.dmp

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