asyncrat | c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/07/2026, 10:08

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General

Target
c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
Size 45KB
Sample260701-l6jz5sbs8q
SHA256 c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee
MD5 8f027252cd29ffd0236f1c94314f3cd5
SHA1 769c737d0bc4a4969f7bca578eb5e50625985f63
SHA512 6264eefa0f80059ca6ca0b0d4b4a0adc9bde96855bb74c788e9751c7fbef6f4ba48f7250d2b1ac61fcb00c64eb55217427ac8e859d93609db90b663243c8eb42
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVtBz3QKx7PIUljbIgX3iybUyOJl84kH96BDZkx:suJdpTPdI2IV0UtbfXSybUzJ7kHqdkx
TLSH
T114231A003BE8C126F2BE4B78ACF26105867AF6637603D54E2CC4519B5623FC69A426FD
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

bbnous.com:80
bbnous.com:22
bbnous.com:8080
bbnous.com:8880
bbnous.com:2052
bbnous.com:2082
bbnous.com:2086
bbnous.com:2095
bbnous.com:443
bbnous.com:2053
bbnous.com:2083
bbnous.com:2087
bbnous.com:2096
bbnous.com:8443
www.bbnous.com:80
www.bbnous.com:22
www.bbnous.com:8080
www.bbnous.com:8880
www.bbnous.com:2052
www.bbnous.com:2082
www.bbnous.com:2086
www.bbnous.com:2095
www.bbnous.com:443
www.bbnous.com:2053
www.bbnous.com:2083
www.bbnous.com:2087
www.bbnous.com:2096
www.bbnous.com:8443
malware.bbnous.com:80
malware.bbnous.com:22
malware.bbnous.com:8080
malware.bbnous.com:8880
malware.bbnous.com:2052
malware.bbnous.com:2082
malware.bbnous.com:2086
malware.bbnous.com:2095
malware.bbnous.com:443
malware.bbnous.com:2053
malware.bbnous.com:2083
malware.bbnous.com:2087
malware.bbnous.com:2096
malware.bbnous.com:8443
emotet.bbnous.com:80
emotet.bbnous.com:22
emotet.bbnous.com:8080
emotet.bbnous.com:8880
emotet.bbnous.com:2052
emotet.bbnous.com:2082
emotet.bbnous.com:2086
emotet.bbnous.com:2095
emotet.bbnous.com:443
emotet.bbnous.com:2053
emotet.bbnous.com:2083
emotet.bbnous.com:2087
emotet.bbnous.com:2096
emotet.bbnous.com:8443
notpetya.bbnous.com:80
notpetya.bbnous.com:22
notpetya.bbnous.com:8080
notpetya.bbnous.com:8880
notpetya.bbnous.com:2052
notpetya.bbnous.com:2082
notpetya.bbnous.com:2086
notpetya.bbnous.com:2095
notpetya.bbnous.com:443
notpetya.bbnous.com:2053
notpetya.bbnous.com:2083
notpetya.bbnous.com:2087
notpetya.bbnous.com:2096
notpetya.bbnous.com:8443

Mutex

i65Gdu2nQtWC

Attributes

delay
0
install
true
install_file
qhu5nzib.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/0x000e00000001c4e9-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4760	qhu5nzib.exe
4808	qhu5nzib.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	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	qhu5nzib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qhu5nzib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4484	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
4172	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
Token: SeDebugPrivilege	4760	qhu5nzib.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5924 wrote to memory of 3608	5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe	88
PID 5924 wrote to memory of 5440	5924	c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe	90
PID 5440 wrote to memory of 4484	5440	cmd.exe	92
PID 3608 wrote to memory of 4172	3608	cmd.exe	93
PID 5440 wrote to memory of 4808	5440	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe
"C:\Users\Admin\AppData\Local\Temp\c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5924
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "qhu5nzib" /tr '"C:\Users\Admin\AppData\Roaming\qhu5nzib.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "qhu5nzib" /tr '"C:\Users\Admin\AppData\Roaming\qhu5nzib.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4172
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB4D4.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5440
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4484
- - C:\Users\Admin\AppData\Roaming\qhu5nzib.exe
    "C:\Users\Admin\AppData\Roaming\qhu5nzib.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4808

C:\Users\Admin\AppData\Roaming\qhu5nzib.exe
"C:\Users\Admin\AppData\Roaming\qhu5nzib.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4760

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

tmpB4D4.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB4D4.tmp.bat
Size 152B
SHA256 48b1e91e30daaeb6d937fec2829ead2ce7182548fad378f6c76bedfdc263846c
MD5 bf630fe73515064aa50e79fd170bfb6e
SHA1 5d8e35216c1646e84f513cd2d514f9ef173791d7
SHA512 b0c3cc7087a90a1ec03df85bf0e8a0be93377b65e49712286f6d8698e82ab65ed62d83cc2562583abbdf2d5b029710600db2becbcced2727f22ee2326467012f
TLSH
T147C02B5361C7EA8F680A181302FBD98D9273BC693F40BB10C708441F9280448FCDA342
MD5 SHA1 SHA512 TLSH

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qhu5nzib.exe

Path C:\Users\Admin\AppData\Roaming\qhu5nzib.exe
Size 45KB
SHA256 c6aedf87370caa9a55f9e6d31d05b166738b54372d6917f7710ba86aaa461dee
MD5 8f027252cd29ffd0236f1c94314f3cd5
SHA1 769c737d0bc4a4969f7bca578eb5e50625985f63
SHA512 6264eefa0f80059ca6ca0b0d4b4a0adc9bde96855bb74c788e9751c7fbef6f4ba48f7250d2b1ac61fcb00c64eb55217427ac8e859d93609db90b663243c8eb42
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVtBz3QKx7PIUljbIgX3iybUyOJl84kH96BDZkx:suJdpTPdI2IV0UtbfXSybUzJ7kHqdkx
TLSH
T114231A003BE8C126F2BE4B78ACF26105867AF6637603D54E2CC4519B5623FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4760-12-0x0000000074C40000-0x00000000753FC000-memory.dmp

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memory/4760-14-0x0000000074C40000-0x00000000753FC000-memory.dmp

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memory/5924-0-0x0000000074DC2000-0x0000000074DC3000-memory.dmp

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memory/5924-1-0x00000000001B0000-0x00000000001C2000-memory.dmp

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memory/5924-2-0x0000000074DB0000-0x000000007556C000-memory.dmp

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memory/5924-3-0x0000000004CB0000-0x0000000004D4C000-memory.dmp

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memory/5924-8-0x0000000074DB0000-0x000000007556C000-memory.dmp

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