asyncrat | 3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc

Analysis

max time kernel
150s
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
10/07/2026, 15:03

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General

Target
3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
Size 45KB
Sample260710-sfa3wabw4m
SHA256 3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc
MD5 b6a7c34c27b3fa122967693a31fddceb
SHA1 c58315392ff6f60dc20fabdf8297fa3978b55012
SHA512 caa7e8901a499db9cedb3c7ce84d2fa043b9d61808827205d18bef241b53324759330ef8ef52504982cbee9f874f6d5b8c02e6898481afc15ee860957399f5c8
SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwnZTohEaSPIWzjbBgX3iHS3XQS0wJO7CzumaQkipB8:ku40ZTXEb2d4Ea7W3buXSYawJOPQL3dO
TLSH
T1C6233A003BE8812BF2BE5F78ADF26145867AF5637603D5491CC442975713BC68A42AFE
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

phimxxxhd.com:80
phimxxxhd.com:22
phimxxxhd.com:8080
phimxxxhd.com:8880
phimxxxhd.com:2052
phimxxxhd.com:2082
phimxxxhd.com:2086
phimxxxhd.com:2095
phimxxxhd.com:443
phimxxxhd.com:2053
phimxxxhd.com:2083
phimxxxhd.com:2087
phimxxxhd.com:2096
phimxxxhd.com:8443
www.phimxxxhd.com:80
www.phimxxxhd.com:22
www.phimxxxhd.com:8080
www.phimxxxhd.com:8880
www.phimxxxhd.com:2052
www.phimxxxhd.com:2082
www.phimxxxhd.com:2086
www.phimxxxhd.com:2095
www.phimxxxhd.com:443
www.phimxxxhd.com:2053
www.phimxxxhd.com:2083
www.phimxxxhd.com:2087
www.phimxxxhd.com:2096
www.phimxxxhd.com:8443
blaster.phimxxxhd.com:80
blaster.phimxxxhd.com:22
blaster.phimxxxhd.com:8080
blaster.phimxxxhd.com:8880
blaster.phimxxxhd.com:2052
blaster.phimxxxhd.com:2082
blaster.phimxxxhd.com:2086
blaster.phimxxxhd.com:2095
blaster.phimxxxhd.com:443
blaster.phimxxxhd.com:2053
blaster.phimxxxhd.com:2083
blaster.phimxxxhd.com:2087
blaster.phimxxxhd.com:2096
blaster.phimxxxhd.com:8443
trisis.phimxxxhd.com:80
trisis.phimxxxhd.com:22
trisis.phimxxxhd.com:8080
trisis.phimxxxhd.com:8880
trisis.phimxxxhd.com:2052
trisis.phimxxxhd.com:2082
trisis.phimxxxhd.com:2086
trisis.phimxxxhd.com:2095
trisis.phimxxxhd.com:443
trisis.phimxxxhd.com:2053
trisis.phimxxxhd.com:2083
trisis.phimxxxhd.com:2087
trisis.phimxxxhd.com:2096
trisis.phimxxxhd.com:8443
darkside.phimxxxhd.com:80
darkside.phimxxxhd.com:22
darkside.phimxxxhd.com:8080
darkside.phimxxxhd.com:8880
darkside.phimxxxhd.com:2052
darkside.phimxxxhd.com:2082
darkside.phimxxxhd.com:2086
darkside.phimxxxhd.com:2095
darkside.phimxxxhd.com:443
darkside.phimxxxhd.com:2053
darkside.phimxxxhd.com:2083
darkside.phimxxxhd.com:2087
darkside.phimxxxhd.com:2096
darkside.phimxxxhd.com:8443
locky.phimxxxhd.com:80
locky.phimxxxhd.com:22
locky.phimxxxhd.com:8080
locky.phimxxxhd.com:8880
locky.phimxxxhd.com:2052
locky.phimxxxhd.com:2082
locky.phimxxxhd.com:2086
locky.phimxxxhd.com:2095
locky.phimxxxhd.com:443
locky.phimxxxhd.com:2053
locky.phimxxxhd.com:2083
locky.phimxxxhd.com:2087
locky.phimxxxhd.com:2096
locky.phimxxxhd.com:8443

Mutex

JIs8Rb8KWeIu

Attributes

delay
0
install
true
install_file
9owz4.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/0x001100000001c4fd-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5908	9owz4.exe
1084	9owz4.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9owz4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9owz4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3644	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
5108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 5556	4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe	87
PID 4300 wrote to memory of 1264	4300	3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe	89
PID 5556 wrote to memory of 5108	5556	cmd.exe	91
PID 1264 wrote to memory of 3644	1264	cmd.exe	92
PID 1264 wrote to memory of 1084	1264	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe
"C:\Users\Admin\AppData\Local\Temp\3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "9owz4" /tr '"C:\Users\Admin\AppData\Roaming\9owz4.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5556
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "9owz4" /tr '"C:\Users\Admin\AppData\Roaming\9owz4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5108
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp51EF.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1264
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3644
- - C:\Users\Admin\AppData\Roaming\9owz4.exe
    "C:\Users\Admin\AppData\Roaming\9owz4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1084

C:\Users\Admin\AppData\Roaming\9owz4.exe
"C:\Users\Admin\AppData\Roaming\9owz4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5908

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

tmp51EF.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp51EF.tmp.bat
Size 149B
SHA256 480461116df815a22788fb5344508438426d578f577e5550fb5ea33a9d3db31e
MD5 14826ada749c962ce653feb72e378aa0
SHA1 9e23f6713a0971b9777dab0153c2b5fc580223ca
SHA512 4b8d49974f6f480470a7938603b64ef1b1cb6ca1e7c03cfc82b5ad1ed7021f5a79a83c0719332ceba00b7344e6312c0f5ea28b1b6fe0df6e1caa51d0a5c129a8
TLSH
T1F0C02B5661CDEB1E3809781312FADACCA1726D1A3F40BF40C348406E128046DF0D9341
MD5 SHA1 SHA512 TLSH

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9owz4.exe

Path C:\Users\Admin\AppData\Roaming\9owz4.exe
Size 45KB
SHA256 3f814359c12eecd781d3d52a77dff30ebc8d694e75977ce0d149ad1b4f2e3bdc
MD5 b6a7c34c27b3fa122967693a31fddceb
SHA1 c58315392ff6f60dc20fabdf8297fa3978b55012
SHA512 caa7e8901a499db9cedb3c7ce84d2fa043b9d61808827205d18bef241b53324759330ef8ef52504982cbee9f874f6d5b8c02e6898481afc15ee860957399f5c8
SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwnZTohEaSPIWzjbBgX3iHS3XQS0wJO7CzumaQkipB8:ku40ZTXEb2d4Ea7W3buXSYawJOPQL3dO
TLSH
T1C6233A003BE8812BF2BE5F78ADF26145867AF5637603D5491CC442975713BC68A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4300-0-0x00000000742A2000-0x00000000742A3000-memory.dmp

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memory/4300-1-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

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memory/4300-2-0x0000000074290000-0x0000000074A4C000-memory.dmp

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memory/4300-3-0x0000000005BA0000-0x0000000005C3C000-memory.dmp

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memory/4300-8-0x0000000074290000-0x0000000074A4C000-memory.dmp

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memory/5908-12-0x0000000074110000-0x00000000748CC000-memory.dmp

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memory/5908-14-0x0000000074110000-0x00000000748CC000-memory.dmp

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