asyncrat | 5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4

Analysis

max time kernel
148s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 10:24

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General

Target
5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
Size 45KB
Sample260804-mfkdnatsfx
SHA256 5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4
MD5 c8f9b54892e8179bb10efa96bd65f6b4
SHA1 1ec7b58bdba40ec2efc51c4614705218cf9f569c
SHA512 177597e316060a95d2b121a242fff5a857aedd5b36b5b36e983b7aab2f80ae0af63a85f5cbcb9f2d075fed85e76a4bbe5d88dec6a170a98b1de49faba7377877
SSDEEP 768:QuflpT8AkKuWUch7wmo2q969YSkqXzNOPISzjbAgT3iCycLFR0UlEBDZTx:QuflpT8Hv2HaVq3S3bnTS0XCdTx
TLSH
T129233A003BE9812BF2BE5F7899F26145467EB2633603D64A1CC451DB5723FC68A426FE
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

sex18.me:80
sex18.me:22
sex18.me:8080
sex18.me:8880
sex18.me:2052
sex18.me:2082
sex18.me:2086
sex18.me:2095
sex18.me:443
sex18.me:2053
sex18.me:2083
sex18.me:2087
sex18.me:2096
sex18.me:8443
www.sex18.me:80
www.sex18.me:22
www.sex18.me:8080
www.sex18.me:8880
www.sex18.me:2052
www.sex18.me:2082
www.sex18.me:2086
www.sex18.me:2095
www.sex18.me:443
www.sex18.me:2053
www.sex18.me:2083
www.sex18.me:2087
www.sex18.me:2096
www.sex18.me:8443
industroyer.sex18.me:80
industroyer.sex18.me:22
industroyer.sex18.me:8080
industroyer.sex18.me:8880
industroyer.sex18.me:2052
industroyer.sex18.me:2082
industroyer.sex18.me:2086
industroyer.sex18.me:2095
industroyer.sex18.me:443
industroyer.sex18.me:2053
industroyer.sex18.me:2083
industroyer.sex18.me:2087
industroyer.sex18.me:2096
industroyer.sex18.me:8443
malware.sex18.me:80
malware.sex18.me:22
malware.sex18.me:8080
malware.sex18.me:8880
malware.sex18.me:2052
malware.sex18.me:2082
malware.sex18.me:2086
malware.sex18.me:2095
malware.sex18.me:443
malware.sex18.me:2053
malware.sex18.me:2083
malware.sex18.me:2087
malware.sex18.me:2096
malware.sex18.me:8443

Mutex

QPgoHiyKorBy

Attributes

delay
0
install
true
install_file
82h5n4k.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/0x0004000000000431-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3048	82h5n4k.exe
1828	82h5n4k.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
5520	cmd.exe
5648	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	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82h5n4k.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82h5n4k.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2784	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
1080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
Token: SeDebugPrivilege	3048	82h5n4k.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5720 wrote to memory of 5520	5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe	89
PID 5720 wrote to memory of 5648	5720	5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe	91
PID 5648 wrote to memory of 2784	5648	cmd.exe	93
PID 5520 wrote to memory of 1080	5520	cmd.exe	94
PID 5648 wrote to memory of 1828	5648	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe
"C:\Users\Admin\AppData\Local\Temp\5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "82h5n4k" /tr '"C:\Users\Admin\AppData\Roaming\82h5n4k.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5520
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "82h5n4k" /tr '"C:\Users\Admin\AppData\Roaming\82h5n4k.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1080
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2011.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5648
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2784
- - C:\Users\Admin\AppData\Roaming\82h5n4k.exe
    "C:\Users\Admin\AppData\Roaming\82h5n4k.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1828

C:\Users\Admin\AppData\Roaming\82h5n4k.exe
"C:\Users\Admin\AppData\Roaming\82h5n4k.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3048

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

tmp2011.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp2011.tmp.bat
Size 151B
SHA256 b013fc22a425075c86828d1e519d25ec60437cc0b381e6edd5ca6743df726eda
MD5 a6122fdf697318f7916976a60f17dfe3
SHA1 f2ebbc3f190c4df8aaddfeee2cc60b2412dcbea1
SHA512 8e12dbb980a2acc9c82d71491fcde25d378ce54f175e89bc5ceedfd7520e66297b61862bc70e127b4559628f12a24396b8971731fb9e6dc68891269dd247e4df
TLSH
T1F0C02B43E2C9EE1E290D646303FAD59CA1B26C7D3F40BB00C744400F1280448F0DA383
MD5 SHA1 SHA512 TLSH

Submit Download

82h5n4k.exe

Path C:\Users\Admin\AppData\Roaming\82h5n4k.exe
Size 45KB
SHA256 5af9abac2023caca6f99a79f5437f449dff11febac049ebfa08118ddeb6956a4
MD5 c8f9b54892e8179bb10efa96bd65f6b4
SHA1 1ec7b58bdba40ec2efc51c4614705218cf9f569c
SHA512 177597e316060a95d2b121a242fff5a857aedd5b36b5b36e983b7aab2f80ae0af63a85f5cbcb9f2d075fed85e76a4bbe5d88dec6a170a98b1de49faba7377877
SSDEEP 768:QuflpT8AkKuWUch7wmo2q969YSkqXzNOPISzjbAgT3iCycLFR0UlEBDZTx:QuflpT8Hv2HaVq3S3bnTS0XCdTx
TLSH
T129233A003BE9812BF2BE5F7899F26145467EB2633603D64A1CC451DB5723FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3048-12-0x0000000075100000-0x00000000758BC000-memory.dmp

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memory/3048-14-0x0000000075100000-0x00000000758BC000-memory.dmp

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memory/5720-0-0x0000000075112000-0x0000000075113000-memory.dmp

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memory/5720-1-0x0000000000FE0000-0x0000000000FF2000-memory.dmp

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memory/5720-2-0x0000000075100000-0x00000000758BC000-memory.dmp

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memory/5720-3-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

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memory/5720-9-0x0000000075100000-0x00000000758BC000-memory.dmp

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