asyncrat | 0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c

Analysis

max time kernel
6s
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
18/07/2026, 15:52

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General

Target
0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
Size 45KB
Sample260718-tbd5eaez8n
SHA256 0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c
MD5 751e0b050af7cc33b4752529e22a60d3
SHA1 5c7137a9ceab2b63c49bd8f404ee32c01928e7af
SHA512 f77ddf1b9d3a68fe28d37af407ad28a2945c96dbaf704cf8de3c1dba4ed239fd0b6116dad503ed322e74b9adb8b99d75c0714a8993cb415124f3a1c39a9358ef
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q97iD8yfzuOPIlzjbagXJio6mbefAaBDZsx:EufspTf2g22iAJ3l3bNX49Kefldsx
TLSH
T1BB233B0037E8812BF2BF5F78A9F26146867AF2733603D54A1CC452DB5613BC686426FD
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

zephimsexhay.com:80
zephimsexhay.com:22
zephimsexhay.com:8080
zephimsexhay.com:8880
zephimsexhay.com:2052
zephimsexhay.com:2082
zephimsexhay.com:2086
zephimsexhay.com:2095
zephimsexhay.com:443
zephimsexhay.com:2053
zephimsexhay.com:2083
zephimsexhay.com:2087
zephimsexhay.com:2096
zephimsexhay.com:8443
www.zephimsexhay.com:80
www.zephimsexhay.com:22
www.zephimsexhay.com:8080
www.zephimsexhay.com:8880
www.zephimsexhay.com:2052
www.zephimsexhay.com:2082
www.zephimsexhay.com:2086
www.zephimsexhay.com:2095
www.zephimsexhay.com:443
www.zephimsexhay.com:2053
www.zephimsexhay.com:2083
www.zephimsexhay.com:2087
www.zephimsexhay.com:2096
www.zephimsexhay.com:8443
invasive.zephimsexhay.com:80
invasive.zephimsexhay.com:22
invasive.zephimsexhay.com:8080
invasive.zephimsexhay.com:8880
invasive.zephimsexhay.com:2052
invasive.zephimsexhay.com:2082
invasive.zephimsexhay.com:2086
invasive.zephimsexhay.com:2095
invasive.zephimsexhay.com:443
invasive.zephimsexhay.com:2053
invasive.zephimsexhay.com:2083
invasive.zephimsexhay.com:2087
invasive.zephimsexhay.com:2096
invasive.zephimsexhay.com:8443
zeus.zephimsexhay.com:80
zeus.zephimsexhay.com:22
zeus.zephimsexhay.com:8080
zeus.zephimsexhay.com:8880
zeus.zephimsexhay.com:2052
zeus.zephimsexhay.com:2082
zeus.zephimsexhay.com:2086
zeus.zephimsexhay.com:2095
zeus.zephimsexhay.com:443
zeus.zephimsexhay.com:2053
zeus.zephimsexhay.com:2083
zeus.zephimsexhay.com:2087
zeus.zephimsexhay.com:2096
zeus.zephimsexhay.com:8443
malware.zephimsexhay.com:80
malware.zephimsexhay.com:22
malware.zephimsexhay.com:8080
malware.zephimsexhay.com:8880
malware.zephimsexhay.com:2052
malware.zephimsexhay.com:2082
malware.zephimsexhay.com:2086
malware.zephimsexhay.com:2095
malware.zephimsexhay.com:443
malware.zephimsexhay.com:2053
malware.zephimsexhay.com:2083
malware.zephimsexhay.com:2087
malware.zephimsexhay.com:2096
malware.zephimsexhay.com:8443

Mutex

nI0JnmsDAGim

Attributes

delay
0
install
true
install_file
weq1niq.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
1888	weq1niq.exe
4136	weq1niq.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
2332	cmd.exe
1416	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	weq1niq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	weq1niq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4620	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
2364	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
Token: SeDebugPrivilege	1888	weq1niq.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 2332	4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe	89
PID 4936 wrote to memory of 1416	4936	0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe	91
PID 2332 wrote to memory of 2364	2332	cmd.exe	93
PID 1416 wrote to memory of 4620	1416	cmd.exe	94
PID 1416 wrote to memory of 4136	1416	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe
"C:\Users\Admin\AppData\Local\Temp\0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "weq1niq" /tr '"C:\Users\Admin\AppData\Roaming\weq1niq.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "weq1niq" /tr '"C:\Users\Admin\AppData\Roaming\weq1niq.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2364
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4E55.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4620
- - C:\Users\Admin\AppData\Roaming\weq1niq.exe
    "C:\Users\Admin\AppData\Roaming\weq1niq.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4136

C:\Users\Admin\AppData\Roaming\weq1niq.exe
"C:\Users\Admin\AppData\Roaming\weq1niq.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1888

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

tmp4E55.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4E55.tmp.bat
Size 151B
SHA256 f2ec07afa23ca2a420f0005a40dc38473588bb4b4c1b9e54cbf72dcf564e66a6
MD5 d28d3ad7a2c9e2ab95e2d4f91ad32d3e
SHA1 14c573814e5e8a15a4d010c8fec36687a8fe55e9
SHA512 010280c8c6609ea190d741d5f7c3b23318d185ca9ac80745c3ba47ed952c45dba25514f33429ddd2efe6a76773c411609db3213fcab327600e867e7b3ee567b5
TLSH
T117C02BC359C6EA0E2805641306FED78CA2726C293F40BB40C708406D26C089CF0DD385
MD5 SHA1 SHA512 TLSH

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weq1niq.exe

Path C:\Users\Admin\AppData\Roaming\weq1niq.exe
Size 45KB
SHA256 0f22453a75ed567c90c7d66ea89c340d052b4c47f250c552feed24c53899d25c
MD5 751e0b050af7cc33b4752529e22a60d3
SHA1 5c7137a9ceab2b63c49bd8f404ee32c01928e7af
SHA512 f77ddf1b9d3a68fe28d37af407ad28a2945c96dbaf704cf8de3c1dba4ed239fd0b6116dad503ed322e74b9adb8b99d75c0714a8993cb415124f3a1c39a9358ef
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q97iD8yfzuOPIlzjbagXJio6mbefAaBDZsx:EufspTf2g22iAJ3l3bNX49Kefldsx
TLSH
T1BB233B0037E8812BF2BF5F78A9F26146867AF2733603D54A1CC452DB5613BC686426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1888-12-0x00000000740A0000-0x000000007485C000-memory.dmp

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memory/1888-14-0x00000000740A0000-0x000000007485C000-memory.dmp

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memory/4936-0-0x00000000742A2000-0x00000000742A3000-memory.dmp

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memory/4936-1-0x0000000000050000-0x0000000000062000-memory.dmp

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memory/4936-2-0x0000000074290000-0x0000000074A4C000-memory.dmp

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memory/4936-3-0x0000000004B60000-0x0000000004BFC000-memory.dmp

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memory/4936-8-0x0000000074290000-0x0000000074A4C000-memory.dmp

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