asyncrat | a6ab9c3e4014f71a5a986dd25b75f82c0e6acb25838b2ae95528d3693a6d4b87

Analysis

max time kernel
58s
max time network
63s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/09/2026, 20:23

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General

Target
a6ab9c3e4014f71a5a986dd25b75f82c0e6acb25838b2ae95528d3693a6d4b87.exe
Size 45KB
Sample260907-y6a4fsbc32
SHA256 a6ab9c3e4014f71a5a986dd25b75f82c0e6acb25838b2ae95528d3693a6d4b87
MD5 d16743c3256a50ec0c687bd7bab6b401
SHA1 f094befcd85316df1bb860e8f1907100a225daf6
SHA512 6e134765c6f1853bf4db731cae56cc0f937ba598d699dc0e0b417714d84e7b339c71a221db32991be0196947d8e7dbdce2830df7e5216154d47752f9d028207f
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAfmaPcl83APITpzjb4gX3iVQhitbsmeRNBDZcx:UuKWgSJTwRf2vfcS3lTp3bvXSPtbsmio
TLSH
T1BD231A003BE9812BF2BE4F78A9F26145467AF2636603D64A1CC451DB5713FC6CA426EE
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

xxxhot.name:80
xxxhot.name:22
xxxhot.name:8080
xxxhot.name:8880
xxxhot.name:2052
xxxhot.name:2082
xxxhot.name:2086
xxxhot.name:2095
xxxhot.name:443
xxxhot.name:2053
xxxhot.name:2083
xxxhot.name:2087
xxxhot.name:2096
xxxhot.name:8443
www.xxxhot.name:80
www.xxxhot.name:22
www.xxxhot.name:8080
www.xxxhot.name:8880
www.xxxhot.name:2052
www.xxxhot.name:2082
www.xxxhot.name:2086
www.xxxhot.name:2095
www.xxxhot.name:443
www.xxxhot.name:2053
www.xxxhot.name:2083
www.xxxhot.name:2087
www.xxxhot.name:2096
www.xxxhot.name:8443
hermeticwiper.xxxhot.name:80
hermeticwiper.xxxhot.name:22
hermeticwiper.xxxhot.name:8080
hermeticwiper.xxxhot.name:8880
hermeticwiper.xxxhot.name:2052
hermeticwiper.xxxhot.name:2082
hermeticwiper.xxxhot.name:2086
hermeticwiper.xxxhot.name:2095
hermeticwiper.xxxhot.name:443
hermeticwiper.xxxhot.name:2053
hermeticwiper.xxxhot.name:2083
hermeticwiper.xxxhot.name:2087
hermeticwiper.xxxhot.name:2096
hermeticwiper.xxxhot.name:8443
remcos.xxxhot.name:80
remcos.xxxhot.name:22
remcos.xxxhot.name:8080
remcos.xxxhot.name:8880
remcos.xxxhot.name:2052
remcos.xxxhot.name:2082
remcos.xxxhot.name:2086
remcos.xxxhot.name:2095
remcos.xxxhot.name:443
remcos.xxxhot.name:2053
remcos.xxxhot.name:2083
remcos.xxxhot.name:2087
remcos.xxxhot.name:2096
remcos.xxxhot.name:8443
industroyer.xxxhot.name:80
industroyer.xxxhot.name:22
industroyer.xxxhot.name:8080
industroyer.xxxhot.name:8880
industroyer.xxxhot.name:2052
industroyer.xxxhot.name:2082
industroyer.xxxhot.name:2086
industroyer.xxxhot.name:2095
industroyer.xxxhot.name:443
industroyer.xxxhot.name:2053
industroyer.xxxhot.name:2083
industroyer.xxxhot.name:2087
industroyer.xxxhot.name:2096
industroyer.xxxhot.name:8443
gootloader.xxxhot.name:80
gootloader.xxxhot.name:22
gootloader.xxxhot.name:8080
gootloader.xxxhot.name:8880
gootloader.xxxhot.name:2052
gootloader.xxxhot.name:2082
gootloader.xxxhot.name:2086
gootloader.xxxhot.name:2095
gootloader.xxxhot.name:443
gootloader.xxxhot.name:2053
gootloader.xxxhot.name:2083
gootloader.xxxhot.name:2087
gootloader.xxxhot.name:2096
gootloader.xxxhot.name:8443

Mutex

CDyEy1eCbZT2

Attributes

delay
0
install
true
install_file
o9ka0sfu.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/0x0004000000000417-10.dat	family_asyncrat

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	7	69.48.229.117:22

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
256	cmd.exe
5972	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	a6ab9c3e4014f71a5a986dd25b75f82c0e6acb25838b2ae95528d3693a6d4b87.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3704	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
1300	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a6ab9c3e4014f71a5a986dd25b75f82c0e6acb25838b2ae95528d3693a6d4b87.exe
"C:\Users\Admin\AppData\Local\Temp\a6ab9c3e4014f71a5a986dd25b75f82c0e6acb25838b2ae95528d3693a6d4b87.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "o9ka0sfu" /tr '"C:\Users\Admin\AppData\Roaming\o9ka0sfu.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  PID:256
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "o9ka0sfu" /tr '"C:\Users\Admin\AppData\Roaming\o9ka0sfu.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1300
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB3A6.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  PID:5972
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3704
- - C:\Users\Admin\AppData\Roaming\o9ka0sfu.exe
    "C:\Users\Admin\AppData\Roaming\o9ka0sfu.exe"
    3⤵
    PID:3232

C:\Users\Admin\AppData\Roaming\o9ka0sfu.exe
"C:\Users\Admin\AppData\Roaming\o9ka0sfu.exe"
1⤵
PID:2684

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmpB3A6.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB3A6.tmp.bat
Size 152B
SHA256 984e77e6221d78f281508ebe1bfca8b1ede74d4be62128a241079405697753aa
MD5 afb72fa38ff34e8528407712d717c678
SHA1 be2f4269ebd4762c6ac866c98368d021bf4589aa
SHA512 c86f74fc00cfc1e230586b22a7fb5b153522ae2cbb0bacc5a6803f93aa9cf0023b7ec7e8f04bdeae484c1ecb236252da3dc29a459d03af266049fbb7a5e7f97d
TLSH
T12DC02B4396C7EA0F7A05182306FAE48EA1726C5D3F40FB80DB04800E628048CF4D9381
MD5 SHA1 SHA512 TLSH

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o9ka0sfu.exe

Path C:\Users\Admin\AppData\Roaming\o9ka0sfu.exe
Size 45KB
SHA256 a6ab9c3e4014f71a5a986dd25b75f82c0e6acb25838b2ae95528d3693a6d4b87
MD5 d16743c3256a50ec0c687bd7bab6b401
SHA1 f094befcd85316df1bb860e8f1907100a225daf6
SHA512 6e134765c6f1853bf4db731cae56cc0f937ba598d699dc0e0b417714d84e7b339c71a221db32991be0196947d8e7dbdce2830df7e5216154d47752f9d028207f
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAfmaPcl83APITpzjb4gX3iVQhitbsmeRNBDZcx:UuKWgSJTwRf2vfcS3lTp3bvXSPtbsmio
TLSH
T1BD231A003BE9812BF2BE4F78A9F26145467AF2636603D64A1CC451DB5713FC6CA426EE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2684-12-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/2684-14-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/3412-0-0x0000000074E22000-0x0000000074E23000-memory.dmp

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memory/3412-1-0x0000000000250000-0x0000000000262000-memory.dmp

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memory/3412-2-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/3412-3-0x0000000004D80000-0x0000000004E1C000-memory.dmp

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memory/3412-9-0x0000000074E10000-0x00000000755CC000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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