asyncrat | 99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/07/2026, 17:05

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General

Target
99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
Size 45KB
Sample260721-vmaf2aysez
SHA256 99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d
MD5 634acfa448046ee73857c802e3e566a5
SHA1 3f85a947756ab87e476ede0cb90ac5c728874ca3
SHA512 9f26cd921e92335ba1ef3d875d962a242157c7d7d7f04199a2271e89ecf89d19819dac7d4d9198182274f6aacb72339ffa0fe4f0e7fcfde2bd37a85e6a52987c
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1I0ewUkA1MiZPI7zjb+gr3iFrLWEhOMMb/fgBDZMx:wuZ8pT1tc2/wvDiW73bBrSFrLDJoGdMx
TLSH
T1692319003BE9812BF2BE4F7898F26245867AB5673603D5491CC451DB5723FC69A03AFE
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

podvis.top:80
podvis.top:22
podvis.top:8080
podvis.top:8880
podvis.top:2052
podvis.top:2082
podvis.top:2086
podvis.top:2095
podvis.top:443
podvis.top:2053
podvis.top:2083
podvis.top:2087
podvis.top:2096
podvis.top:8443
www.podvis.top:80
www.podvis.top:22
www.podvis.top:8080
www.podvis.top:8880
www.podvis.top:2052
www.podvis.top:2082
www.podvis.top:2086
www.podvis.top:2095
www.podvis.top:443
www.podvis.top:2053
www.podvis.top:2083
www.podvis.top:2087
www.podvis.top:2096
www.podvis.top:8443
fakeupdates.podvis.top:80
fakeupdates.podvis.top:22
fakeupdates.podvis.top:8080
fakeupdates.podvis.top:8880
fakeupdates.podvis.top:2052
fakeupdates.podvis.top:2082
fakeupdates.podvis.top:2086
fakeupdates.podvis.top:2095
fakeupdates.podvis.top:443
fakeupdates.podvis.top:2053
fakeupdates.podvis.top:2083
fakeupdates.podvis.top:2087
fakeupdates.podvis.top:2096
fakeupdates.podvis.top:8443
qakbot.podvis.top:80
qakbot.podvis.top:22
qakbot.podvis.top:8080
qakbot.podvis.top:8880
qakbot.podvis.top:2052
qakbot.podvis.top:2082
qakbot.podvis.top:2086
qakbot.podvis.top:2095
qakbot.podvis.top:443
qakbot.podvis.top:2053
qakbot.podvis.top:2083
qakbot.podvis.top:2087
qakbot.podvis.top:2096
qakbot.podvis.top:8443

Mutex

g4amDnzU8wOS

Attributes

delay
0
install
true
install_file
nu3h.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/0x0009000000016bc9-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1552	nu3h.exe
3076	nu3h.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
5192	cmd.exe
3476	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	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.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	nu3h.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nu3h.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2148	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
5020	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
Token: SeDebugPrivilege	1552	nu3h.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 5192	3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe	89
PID 3600 wrote to memory of 3476	3600	99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe	91
PID 5192 wrote to memory of 5020	5192	cmd.exe	93
PID 3476 wrote to memory of 2148	3476	cmd.exe	94
PID 3476 wrote to memory of 3076	3476	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe
"C:\Users\Admin\AppData\Local\Temp\99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nu3h" /tr '"C:\Users\Admin\AppData\Roaming\nu3h.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5192
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "nu3h" /tr '"C:\Users\Admin\AppData\Roaming\nu3h.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5020
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp459A.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3476
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2148
- - C:\Users\Admin\AppData\Roaming\nu3h.exe
    "C:\Users\Admin\AppData\Roaming\nu3h.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3076

C:\Users\Admin\AppData\Roaming\nu3h.exe
"C:\Users\Admin\AppData\Roaming\nu3h.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1552

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

tmp459A.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp459A.tmp.bat
Size 148B
SHA256 85d786145cab54b7e50edc2e90ec0d2649dac1d1bce6c7df58889d90cda8217b
MD5 3b9a1080e32e96471f568072b2568d02
SHA1 4c18435b6c3f693e0b92ea00608d216c804203d1
SHA512 755a8bbfe010ba1c19dca5e440f090fe6906a03793fc589519745c313771415258aec50e9c3add16e9f87f7850d93a1396c7866f506318e6dcec70b6d30655c5
TLSH
T1B4C02B8251C5EA0E2905245303FBD4EC92B67C2D3F84BB00C304408D338094CF4D9341
MD5 SHA1 SHA512 TLSH

Submit Download

nu3h.exe

Path C:\Users\Admin\AppData\Roaming\nu3h.exe
Size 45KB
SHA256 99045db7bf31696ef7a94e3856f273c0b88aa051c898951a6f7316232f73d94d
MD5 634acfa448046ee73857c802e3e566a5
SHA1 3f85a947756ab87e476ede0cb90ac5c728874ca3
SHA512 9f26cd921e92335ba1ef3d875d962a242157c7d7d7f04199a2271e89ecf89d19819dac7d4d9198182274f6aacb72339ffa0fe4f0e7fcfde2bd37a85e6a52987c
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1I0ewUkA1MiZPI7zjb+gr3iFrLWEhOMMb/fgBDZMx:wuZ8pT1tc2/wvDiW73bBrSFrLDJoGdMx
TLSH
T1692319003BE9812BF2BE4F7898F26245867AB5673603D5491CC451DB5723FC69A03AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1552-12-0x00000000744E0000-0x0000000074C9C000-memory.dmp

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memory/1552-14-0x00000000744E0000-0x0000000074C9C000-memory.dmp

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memory/3600-0-0x0000000074662000-0x0000000074663000-memory.dmp

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memory/3600-1-0x0000000000D20000-0x0000000000D32000-memory.dmp

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memory/3600-2-0x0000000074650000-0x0000000074E0C000-memory.dmp

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memory/3600-3-0x0000000005830000-0x00000000058CC000-memory.dmp

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memory/3600-8-0x0000000074650000-0x0000000074E0C000-memory.dmp

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