asyncrat | 9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/09/2026, 07:00

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General

Target
9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
Size 45KB
Sample260905-hsxsasyfle
SHA256 9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3
MD5 39cb97319419f843f24b5e82b13f051d
SHA1 18f4cd6b408d41a5a8d1f1b3a56d2e87208e8971
SHA512 c8082e0409e895dfe8d8d3d7f78977bb9c83b10d90d21bf6c7c0e55186087518f7b461bf3c8dc36a01554621c56301133ad9f0bb64df2c04af738ee16ab96a5a
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9wO5QfCBQPiNjPISzjbGgX3i/lz+hCn5BBDZsx:EufspTf2g25O5c/iKS3bZXS/lyhC/dsx
TLSH
T142232B103BE8812BF2BE4F7898F26145867AF6637603D54A1CC451DB5613FC6CA42AFE
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

sexhihi.site:80
sexhihi.site:22
sexhihi.site:8080
sexhihi.site:8880
sexhihi.site:2052
sexhihi.site:2082
sexhihi.site:2086
sexhihi.site:2095
sexhihi.site:443
sexhihi.site:2053
sexhihi.site:2083
sexhihi.site:2087
sexhihi.site:2096
sexhihi.site:8443
www.sexhihi.site:80
www.sexhihi.site:22
www.sexhihi.site:8080
www.sexhihi.site:8880
www.sexhihi.site:2052
www.sexhihi.site:2082
www.sexhihi.site:2086
www.sexhihi.site:2095
www.sexhihi.site:443
www.sexhihi.site:2053
www.sexhihi.site:2083
www.sexhihi.site:2087
www.sexhihi.site:2096
www.sexhihi.site:8443
client.sexhihi.site:80
client.sexhihi.site:22
client.sexhihi.site:8080
client.sexhihi.site:8880
client.sexhihi.site:2052
client.sexhihi.site:2082
client.sexhihi.site:2086
client.sexhihi.site:2095
client.sexhihi.site:443
client.sexhihi.site:2053
client.sexhihi.site:2083
client.sexhihi.site:2087
client.sexhihi.site:2096
client.sexhihi.site:8443
codered.sexhihi.site:80
codered.sexhihi.site:22
codered.sexhihi.site:8080
codered.sexhihi.site:8880
codered.sexhihi.site:2052
codered.sexhihi.site:2082
codered.sexhihi.site:2086
codered.sexhihi.site:2095
codered.sexhihi.site:443
codered.sexhihi.site:2053
codered.sexhihi.site:2083
codered.sexhihi.site:2087
codered.sexhihi.site:2096
codered.sexhihi.site:8443
zeus.sexhihi.site:80
zeus.sexhihi.site:22
zeus.sexhihi.site:8080
zeus.sexhihi.site:8880
zeus.sexhihi.site:2052
zeus.sexhihi.site:2082
zeus.sexhihi.site:2086
zeus.sexhihi.site:2095
zeus.sexhihi.site:443
zeus.sexhihi.site:2053
zeus.sexhihi.site:2083
zeus.sexhihi.site:2087
zeus.sexhihi.site:2096
zeus.sexhihi.site:8443
malware.sexhihi.site:80
malware.sexhihi.site:22
malware.sexhihi.site:8080
malware.sexhihi.site:8880
malware.sexhihi.site:2052
malware.sexhihi.site:2082
malware.sexhihi.site:2086
malware.sexhihi.site:2095
malware.sexhihi.site:443
malware.sexhihi.site:2053
malware.sexhihi.site:2083
malware.sexhihi.site:2087
malware.sexhihi.site:2096
malware.sexhihi.site:8443

Mutex

FIJUInApUbQ5

Attributes

delay
0
install
true
install_file
00td1ut.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/0x00090000000167e7-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4692	00td1ut.exe
5032	00td1ut.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
1224	cmd.exe
5400	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	00td1ut.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
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	00td1ut.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1960	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
948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 5400	3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe	89
PID 3368 wrote to memory of 1224	3368	9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe	91
PID 5400 wrote to memory of 948	5400	cmd.exe	93
PID 1224 wrote to memory of 1960	1224	cmd.exe	94
PID 1224 wrote to memory of 5032	1224	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe
"C:\Users\Admin\AppData\Local\Temp\9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "00td1ut" /tr '"C:\Users\Admin\AppData\Roaming\00td1ut.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5400
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "00td1ut" /tr '"C:\Users\Admin\AppData\Roaming\00td1ut.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp482B.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1960
- - C:\Users\Admin\AppData\Roaming\00td1ut.exe
    "C:\Users\Admin\AppData\Roaming\00td1ut.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5032

C:\Users\Admin\AppData\Roaming\00td1ut.exe
"C:\Users\Admin\AppData\Roaming\00td1ut.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4692

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

tmp482B.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp482B.tmp.bat
Size 151B
SHA256 2475b5f5614e9cd84f030624a3f04e0645b1e6d8542f2a92598120c34657941b
MD5 b8c53f2b003f46676f5b91df1ea17d62
SHA1 ba1cc4ed2835bb0ba5183b5a4379075135009afc
SHA512 1823f91d8a1c0fb8dd466e997f8427859ce0d4f62c2ecc0dceb5a74309489aec106e498720126ef395cc97541bbf8630229df1b746e0fe761a86217076ad2775
TLSH
T1AAC02B5253CAEB4F290E285312FADC8C92726D1E3F44FB50C384404D128084DF0DD381
MD5 SHA1 SHA512 TLSH

Submit Download

00td1ut.exe

Path C:\Users\Admin\AppData\Roaming\00td1ut.exe
Size 45KB
SHA256 9b20c26122a006f2b0d29ad11ae2111662550aed9315ba5fe9877b7a98be1fa3
MD5 39cb97319419f843f24b5e82b13f051d
SHA1 18f4cd6b408d41a5a8d1f1b3a56d2e87208e8971
SHA512 c8082e0409e895dfe8d8d3d7f78977bb9c83b10d90d21bf6c7c0e55186087518f7b461bf3c8dc36a01554621c56301133ad9f0bb64df2c04af738ee16ab96a5a
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9wO5QfCBQPiNjPISzjbGgX3i/lz+hCn5BBDZsx:EufspTf2g25O5c/iKS3bZXS/lyhC/dsx
TLSH
T142232B103BE8812BF2BE4F7898F26145867AF6637603D54A1CC451DB5613FC6CA42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3368-0-0x0000000074962000-0x0000000074963000-memory.dmp

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memory/3368-1-0x0000000000010000-0x0000000000022000-memory.dmp

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memory/3368-2-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/3368-3-0x0000000004A50000-0x0000000004AEC000-memory.dmp

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memory/3368-8-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/4692-12-0x00000000747E0000-0x0000000074F9C000-memory.dmp

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memory/4692-14-0x00000000747E0000-0x0000000074F9C000-memory.dmp

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