asyncrat | 9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166

Analysis

max time kernel
148s
max time network
151s
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, 17:07

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General

Target
9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
Size 45KB
Sample260804-vm5l6ss1e1
SHA256 9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166
MD5 948fd1291c2403552e4f57de0de56375
SHA1 1df6c4c79f0ed90160aa39571eb95434b580c56d
SHA512 950bdf86bfdcffb9a7c61637ba6779ea6ca4e059fa612394232f391b6920cbc456ecce823785a5738ba4b2e681fabb170d6d0d0319d990df360b8f099baa266a
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q98zjHy/aKPIbNjbugX3iShGqze2RBDZsx:EufspTf2g23nhbFbRXSShGqzZdsx
TLSH
T1E7232B003BE9812BF2BE5B789DF26145867AF6733A03D58E1CC4119B1713BC69642AFD
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

sextinvl.blog:80
sextinvl.blog:22
sextinvl.blog:8080
sextinvl.blog:8880
sextinvl.blog:2052
sextinvl.blog:2082
sextinvl.blog:2086
sextinvl.blog:2095
sextinvl.blog:443
sextinvl.blog:2053
sextinvl.blog:2083
sextinvl.blog:2087
sextinvl.blog:2096
sextinvl.blog:8443
www.sextinvl.blog:80
www.sextinvl.blog:22
www.sextinvl.blog:8080
www.sextinvl.blog:8880
www.sextinvl.blog:2052
www.sextinvl.blog:2082
www.sextinvl.blog:2086
www.sextinvl.blog:2095
www.sextinvl.blog:443
www.sextinvl.blog:2053
www.sextinvl.blog:2083
www.sextinvl.blog:2087
www.sextinvl.blog:2096
www.sextinvl.blog:8443
gootloader.sextinvl.blog:80
gootloader.sextinvl.blog:22
gootloader.sextinvl.blog:8080
gootloader.sextinvl.blog:8880
gootloader.sextinvl.blog:2052
gootloader.sextinvl.blog:2082
gootloader.sextinvl.blog:2086
gootloader.sextinvl.blog:2095
gootloader.sextinvl.blog:443
gootloader.sextinvl.blog:2053
gootloader.sextinvl.blog:2083
gootloader.sextinvl.blog:2087
gootloader.sextinvl.blog:2096
gootloader.sextinvl.blog:8443
malware.sextinvl.blog:80
malware.sextinvl.blog:22
malware.sextinvl.blog:8080
malware.sextinvl.blog:8880
malware.sextinvl.blog:2052
malware.sextinvl.blog:2082
malware.sextinvl.blog:2086
malware.sextinvl.blog:2095
malware.sextinvl.blog:443
malware.sextinvl.blog:2053
malware.sextinvl.blog:2083
malware.sextinvl.blog:2087
malware.sextinvl.blog:2096
malware.sextinvl.blog:8443
sobig.sextinvl.blog:80
sobig.sextinvl.blog:22
sobig.sextinvl.blog:8080
sobig.sextinvl.blog:8880
sobig.sextinvl.blog:2052
sobig.sextinvl.blog:2082
sobig.sextinvl.blog:2086
sobig.sextinvl.blog:2095
sobig.sextinvl.blog:443
sobig.sextinvl.blog:2053
sobig.sextinvl.blog:2083
sobig.sextinvl.blog:2087
sobig.sextinvl.blog:2096
sobig.sextinvl.blog:8443

Mutex

w8VpMBiglSVc

Attributes

delay
0
install
true
install_file
2at56h6.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/0x000e00000001c52e-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2312	2at56h6.exe
1936	2at56h6.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	20	172.67.169.65:22
SSH destination	13	172.67.169.65:22
SSH destination	15	104.21.27.116:22

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
2924	cmd.exe
4260	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2at56h6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2at56h6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4844	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
4908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
Token: SeDebugPrivilege	2312	2at56h6.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 2924	4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe	90
PID 4248 wrote to memory of 4260	4248	9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe	92
PID 4260 wrote to memory of 4844	4260	cmd.exe	94
PID 2924 wrote to memory of 4908	2924	cmd.exe	95
PID 4260 wrote to memory of 1936	4260	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe
"C:\Users\Admin\AppData\Local\Temp\9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2at56h6" /tr '"C:\Users\Admin\AppData\Roaming\2at56h6.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "2at56h6" /tr '"C:\Users\Admin\AppData\Roaming\2at56h6.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4908
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC79.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4260
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4844
- - C:\Users\Admin\AppData\Roaming\2at56h6.exe
    "C:\Users\Admin\AppData\Roaming\2at56h6.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1936

C:\Users\Admin\AppData\Roaming\2at56h6.exe
"C:\Users\Admin\AppData\Roaming\2at56h6.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2312

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

tmpC79.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpC79.tmp.bat
Size 150B
SHA256 0bfff6680eed7699896617dead79474732a3080c9533fb0ad5c21db7e9363201
MD5 645a8a5d18de20ada65dbf150aac9697
SHA1 6b952fc59bdfe6eefdba62b13a0af85b92aa5309
SHA512 c5e1a9efabc56bf3904e26fe94bfff8209a5b5209403187e51e2620a388d4a904e25fb67b8a16b7f9d743716cb8504f7ef20414e22b70dbe27912f3826863e15
TLSH
T107C02B4291C7FE4F3B05141307FAD98C92766C593F40BF10E304404D1680848F0DA349
MD5 SHA1 SHA512 TLSH

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2at56h6.exe

Path C:\Users\Admin\AppData\Roaming\2at56h6.exe
Size 45KB
SHA256 9a18366c9e8ae2a00102306ef4bc99f57d12d414a2d08901fdb73becb8ab5166
MD5 948fd1291c2403552e4f57de0de56375
SHA1 1df6c4c79f0ed90160aa39571eb95434b580c56d
SHA512 950bdf86bfdcffb9a7c61637ba6779ea6ca4e059fa612394232f391b6920cbc456ecce823785a5738ba4b2e681fabb170d6d0d0319d990df360b8f099baa266a
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q98zjHy/aKPIbNjbugX3iShGqze2RBDZsx:EufspTf2g23nhbFbRXSShGqzZdsx
TLSH
T1E7232B003BE9812BF2BE5B789DF26145867AF6733A03D58E1CC4119B1713BC69642AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2312-12-0x0000000074AF0000-0x00000000752AC000-memory.dmp

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memory/2312-14-0x0000000074AF0000-0x00000000752AC000-memory.dmp

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memory/4248-0-0x0000000074C72000-0x0000000074C73000-memory.dmp

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memory/4248-1-0x0000000000A30000-0x0000000000A42000-memory.dmp

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memory/4248-2-0x0000000074C60000-0x000000007541C000-memory.dmp

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memory/4248-3-0x0000000005570000-0x000000000560C000-memory.dmp

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memory/4248-8-0x0000000074C60000-0x000000007541C000-memory.dmp

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