asyncrat | 57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/09/2026, 12:44

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General

Target
57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
Size 45KB
Sample260919-pyfjja1vcs
SHA256 57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13
MD5 711e493e0f1879617d77b2264659ac56
SHA1 9f14f1557ae0850d0ecc826cc7475589c103350c
SHA512 b6cc64776b4ab06954b1b3bf788332502585e1f825ebd661f1ce9df3116179efb50d2d292a7f170ebc8e1b688abaf9328c67372c9eec791526f44772af92e503
SSDEEP 768:5udApTNctooWUS7C+mo2qtLZoQTMtPI4ijbXgX3iL065xr5bt2dlBDZ0x:5udApTNmU2UL34ubwXSdt5J25d0x
TLSH
T10B232A0037D8812BF2BE4F78A9F26145867AF2673603D54E2CC4519B5723FC69A426FE
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

xemphimheo.org:80
xemphimheo.org:22
xemphimheo.org:8080
xemphimheo.org:8880
xemphimheo.org:2052
xemphimheo.org:2082
xemphimheo.org:2086
xemphimheo.org:2095
xemphimheo.org:443
xemphimheo.org:2053
xemphimheo.org:2083
xemphimheo.org:2087
xemphimheo.org:2096
xemphimheo.org:8443
www.xemphimheo.org:80
www.xemphimheo.org:22
www.xemphimheo.org:8080
www.xemphimheo.org:8880
www.xemphimheo.org:2052
www.xemphimheo.org:2082
www.xemphimheo.org:2086
www.xemphimheo.org:2095
www.xemphimheo.org:443
www.xemphimheo.org:2053
www.xemphimheo.org:2083
www.xemphimheo.org:2087
www.xemphimheo.org:2096
www.xemphimheo.org:8443
cl0p.xemphimheo.org:80
cl0p.xemphimheo.org:22
cl0p.xemphimheo.org:8080
cl0p.xemphimheo.org:8880
cl0p.xemphimheo.org:2052
cl0p.xemphimheo.org:2082
cl0p.xemphimheo.org:2086
cl0p.xemphimheo.org:2095
cl0p.xemphimheo.org:443
cl0p.xemphimheo.org:2053
cl0p.xemphimheo.org:2083
cl0p.xemphimheo.org:2087
cl0p.xemphimheo.org:2096
cl0p.xemphimheo.org:8443
locky.xemphimheo.org:80
locky.xemphimheo.org:22
locky.xemphimheo.org:8080
locky.xemphimheo.org:8880
locky.xemphimheo.org:2052
locky.xemphimheo.org:2082
locky.xemphimheo.org:2086
locky.xemphimheo.org:2095
locky.xemphimheo.org:443
locky.xemphimheo.org:2053
locky.xemphimheo.org:2083
locky.xemphimheo.org:2087
locky.xemphimheo.org:2096
locky.xemphimheo.org:8443

Mutex

oHJ50knwQil8

Attributes

delay
0
install
true
install_file
qyw00d.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/0x000e00000001c45c-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3460	qyw00d.exe
4912	qyw00d.exe

Outbound SSH connection to public host 2 TTPs 1 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	19	5.61.208.88:22

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
2988	cmd.exe
3264	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qyw00d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qyw00d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2440	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
940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
Token: SeDebugPrivilege	3460	qyw00d.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2988	1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe	89
PID 1252 wrote to memory of 3264	1252	57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe	91
PID 2988 wrote to memory of 940	2988	cmd.exe	93
PID 3264 wrote to memory of 2440	3264	cmd.exe	94
PID 3264 wrote to memory of 4912	3264	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe
"C:\Users\Admin\AppData\Local\Temp\57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "qyw00d" /tr '"C:\Users\Admin\AppData\Roaming\qyw00d.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "qyw00d" /tr '"C:\Users\Admin\AppData\Roaming\qyw00d.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6AD.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3264
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2440
- - C:\Users\Admin\AppData\Roaming\qyw00d.exe
    "C:\Users\Admin\AppData\Roaming\qyw00d.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4912

C:\Users\Admin\AppData\Roaming\qyw00d.exe
"C:\Users\Admin\AppData\Roaming\qyw00d.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3460

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

tmp6AD.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6AD.tmp.bat
Size 149B
SHA256 4b52563c51ba907309a89d018b2e98e9857feccff6f9993855a4a48c3d3a4c97
MD5 49a24852dde7bfd588f19fcfdf815c3b
SHA1 282bab305ab1af7b69c0ba676bd80c2260816d0b
SHA512 51b602ee8b746bea55ee32b3357bf86791e8657b5adf43f266872f508cdce17578300b7963733db4fa5b2fe45080448ea0651df9f2923f9405a07ae9b8457488
TLSH
T170C02B4251C5FA0F2906543303FBDB8CD1736C5A3F40BF00D305400D66C0848F0D9345
MD5 SHA1 SHA512 TLSH

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qyw00d.exe

Path C:\Users\Admin\AppData\Roaming\qyw00d.exe
Size 45KB
SHA256 57fa59670632abb5bc0b8b7155f021074a2558e279419bc310caa08fe60f7c13
MD5 711e493e0f1879617d77b2264659ac56
SHA1 9f14f1557ae0850d0ecc826cc7475589c103350c
SHA512 b6cc64776b4ab06954b1b3bf788332502585e1f825ebd661f1ce9df3116179efb50d2d292a7f170ebc8e1b688abaf9328c67372c9eec791526f44772af92e503
SSDEEP 768:5udApTNctooWUS7C+mo2qtLZoQTMtPI4ijbXgX3iL065xr5bt2dlBDZ0x:5udApTNmU2UL34ubwXSdt5J25d0x
TLSH
T10B232A0037D8812BF2BE4F78A9F26145867AF2673603D54E2CC4519B5723FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1252-0-0x0000000074722000-0x0000000074723000-memory.dmp

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memory/1252-1-0x0000000000770000-0x0000000000782000-memory.dmp

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memory/1252-2-0x0000000074710000-0x0000000074ECC000-memory.dmp

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memory/1252-3-0x0000000005190000-0x000000000522C000-memory.dmp

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memory/1252-9-0x0000000074710000-0x0000000074ECC000-memory.dmp

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memory/3460-12-0x0000000074710000-0x0000000074ECC000-memory.dmp

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memory/3460-14-0x0000000074710000-0x0000000074ECC000-memory.dmp

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