asyncrat | 4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1

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
22/07/2026, 18:16

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General

Target
4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
Size 45KB
Sample260722-wwrmcaae77
SHA256 4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1
MD5 983e5d556ba5a7c0bb9f20f8fe50bd49
SHA1 d08a49dcb7353f1326cd20b74807a5a20d396f45
SHA512 7979532bf41ec6b5e4ce7924ac6a5ba17811e3f4e4161200e74f64001b59377d1e288757c3dae6a1b0c800b365d318f5573bd331bb5b036340ce806e6db9691b
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFJhk6K7OOPIzzjbZgW3ih+V4fPjHhnTxIJb9BDZUx:cu7e5TH2A2w6VO3z3b2WSh+SjHsHdUx
TLSH
T197231A003BE8812BF2BE4F7899F26245867AF6B33603D5491CC451D75A13FC68A426FE
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.tech:80
sex18.tech:22
sex18.tech:8080
sex18.tech:8880
sex18.tech:2052
sex18.tech:2082
sex18.tech:2086
sex18.tech:2095
sex18.tech:443
sex18.tech:2053
sex18.tech:2083
sex18.tech:2087
sex18.tech:2096
sex18.tech:8443
www.sex18.tech:80
www.sex18.tech:22
www.sex18.tech:8080
www.sex18.tech:8880
www.sex18.tech:2052
www.sex18.tech:2082
www.sex18.tech:2086
www.sex18.tech:2095
www.sex18.tech:443
www.sex18.tech:2053
www.sex18.tech:2083
www.sex18.tech:2087
www.sex18.tech:2096
www.sex18.tech:8443
industroyer.sex18.tech:80
industroyer.sex18.tech:22
industroyer.sex18.tech:8080
industroyer.sex18.tech:8880
industroyer.sex18.tech:2052
industroyer.sex18.tech:2082
industroyer.sex18.tech:2086
industroyer.sex18.tech:2095
industroyer.sex18.tech:443
industroyer.sex18.tech:2053
industroyer.sex18.tech:2083
industroyer.sex18.tech:2087
industroyer.sex18.tech:2096
industroyer.sex18.tech:8443
malware.sex18.tech:80
malware.sex18.tech:22
malware.sex18.tech:8080
malware.sex18.tech:8880
malware.sex18.tech:2052
malware.sex18.tech:2082
malware.sex18.tech:2086
malware.sex18.tech:2095
malware.sex18.tech:443
malware.sex18.tech:2053
malware.sex18.tech:2083
malware.sex18.tech:2087
malware.sex18.tech:2096
malware.sex18.tech:8443
emotet.sex18.tech:80
emotet.sex18.tech:22
emotet.sex18.tech:8080
emotet.sex18.tech:8880
emotet.sex18.tech:2052
emotet.sex18.tech:2082
emotet.sex18.tech:2086
emotet.sex18.tech:2095
emotet.sex18.tech:443
emotet.sex18.tech:2053
emotet.sex18.tech:2083
emotet.sex18.tech:2087
emotet.sex18.tech:2096
emotet.sex18.tech:8443

Mutex

BdjyHGTItgPK

Attributes

delay
0
install
true
install_file
nc86h.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/0x000e00000001b896-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2940	nc86h.exe
5084	nc86h.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
5152	cmd.exe
2636	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nc86h.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nc86h.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3920	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
264	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
Token: SeDebugPrivilege	2940	nc86h.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 5152	4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe	89
PID 4272 wrote to memory of 2636	4272	4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe	91
PID 5152 wrote to memory of 264	5152	cmd.exe	93
PID 2636 wrote to memory of 3920	2636	cmd.exe	94
PID 2636 wrote to memory of 5084	2636	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe
"C:\Users\Admin\AppData\Local\Temp\4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nc86h" /tr '"C:\Users\Admin\AppData\Roaming\nc86h.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5152
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "nc86h" /tr '"C:\Users\Admin\AppData\Roaming\nc86h.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:264
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3DBB.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3920
- - C:\Users\Admin\AppData\Roaming\nc86h.exe
    "C:\Users\Admin\AppData\Roaming\nc86h.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5084

C:\Users\Admin\AppData\Roaming\nc86h.exe
"C:\Users\Admin\AppData\Roaming\nc86h.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2940

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

Replay Monitor

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Downloads

tmp3DBB.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp3DBB.tmp.bat
Size 149B
SHA256 92277dc9acf91dc22b0b46fb0d3f3ba3d0b56bb3a64e1931d4b454b870ef5cd0
MD5 ba25ddae03f474af177e7b288d0f16c1
SHA1 6e4dd94b8b8d122d5e697028afa234fa4946ab4a
SHA512 e1d02bf8a118e7e7bc715af4ae07b8022d42f918fa1dcae1725ec13ac7a4decbac1a29d299309b02f67c7fc73e1def0933c69ee715927fc81bf0c2bd36bebc0e
TLSH
T1BFC02B4251C5FA0E2D05152307FEE59C9177AC2D3FC0BF00C348800D76C1848F0D9345
MD5 SHA1 SHA512 TLSH

Submit Download

nc86h.exe

Path C:\Users\Admin\AppData\Roaming\nc86h.exe
Size 45KB
SHA256 4f8b12697a05c224e546b7a60065ddc40bf43216ea6e6ca83fe466421b74cfb1
MD5 983e5d556ba5a7c0bb9f20f8fe50bd49
SHA1 d08a49dcb7353f1326cd20b74807a5a20d396f45
SHA512 7979532bf41ec6b5e4ce7924ac6a5ba17811e3f4e4161200e74f64001b59377d1e288757c3dae6a1b0c800b365d318f5573bd331bb5b036340ce806e6db9691b
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFJhk6K7OOPIzzjbZgW3ih+V4fPjHhnTxIJb9BDZUx:cu7e5TH2A2w6VO3z3b2WSh+SjHsHdUx
TLSH
T197231A003BE8812BF2BE4F7899F26245867AF6B33603D5491CC451D75A13FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2940-12-0x0000000075050000-0x000000007580C000-memory.dmp

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memory/2940-14-0x0000000075050000-0x000000007580C000-memory.dmp

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memory/4272-0-0x0000000075062000-0x0000000075063000-memory.dmp

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memory/4272-1-0x0000000000C00000-0x0000000000C12000-memory.dmp

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memory/4272-2-0x0000000075050000-0x000000007580C000-memory.dmp

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memory/4272-3-0x0000000005670000-0x000000000570C000-memory.dmp

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memory/4272-9-0x0000000075050000-0x000000007580C000-memory.dmp

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