asyncrat | 7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 16:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
Size 45KB
Sample260804-tza3navdjd
SHA256 7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986
MD5 d4d07dc45fac3abdef426f17c5cf6527
SHA1 50c70d906c7c2cd14428238228e976416bf48fed
SHA512 363378807787bca6159ac4604f4b89750ad64c9107fbdce0d7135b58e53d42053bcf3249ce4a68995af0716a3cbaf157bc12d26e771ce663c1431016f94b0008
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVyLiE02FjMdjYkkmPIWzjbAgX3iF/oI7B0rBDZEx:MuBGJTPho2/L9wQPW3bnXShEdEx
TLSH
T192231A0037E9812BF2BE4F7869F26145867AF6732603D64A1CC451DB5A13FC68A436FE
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

xcavengon.click:80
xcavengon.click:22
xcavengon.click:8080
xcavengon.click:8880
xcavengon.click:2052
xcavengon.click:2082
xcavengon.click:2086
xcavengon.click:2095
xcavengon.click:443
xcavengon.click:2053
xcavengon.click:2083
xcavengon.click:2087
xcavengon.click:2096
xcavengon.click:8443
www.xcavengon.click:80
www.xcavengon.click:22
www.xcavengon.click:8080
www.xcavengon.click:8880
www.xcavengon.click:2052
www.xcavengon.click:2082
www.xcavengon.click:2086
www.xcavengon.click:2095
www.xcavengon.click:443
www.xcavengon.click:2053
www.xcavengon.click:2083
www.xcavengon.click:2087
www.xcavengon.click:2096
www.xcavengon.click:8443
zbot.xcavengon.click:80
zbot.xcavengon.click:22
zbot.xcavengon.click:8080
zbot.xcavengon.click:8880
zbot.xcavengon.click:2052
zbot.xcavengon.click:2082
zbot.xcavengon.click:2086
zbot.xcavengon.click:2095
zbot.xcavengon.click:443
zbot.xcavengon.click:2053
zbot.xcavengon.click:2083
zbot.xcavengon.click:2087
zbot.xcavengon.click:2096
zbot.xcavengon.click:8443
gh0st.xcavengon.click:80
gh0st.xcavengon.click:22
gh0st.xcavengon.click:8080
gh0st.xcavengon.click:8880
gh0st.xcavengon.click:2052
gh0st.xcavengon.click:2082
gh0st.xcavengon.click:2086
gh0st.xcavengon.click:2095
gh0st.xcavengon.click:443
gh0st.xcavengon.click:2053
gh0st.xcavengon.click:2083
gh0st.xcavengon.click:2087
gh0st.xcavengon.click:2096
gh0st.xcavengon.click:8443
fakeupdates.xcavengon.click:80
fakeupdates.xcavengon.click:22
fakeupdates.xcavengon.click:8080
fakeupdates.xcavengon.click:8880
fakeupdates.xcavengon.click:2052
fakeupdates.xcavengon.click:2082
fakeupdates.xcavengon.click:2086
fakeupdates.xcavengon.click:2095
fakeupdates.xcavengon.click:443
fakeupdates.xcavengon.click:2053
fakeupdates.xcavengon.click:2083
fakeupdates.xcavengon.click:2087
fakeupdates.xcavengon.click:2096
fakeupdates.xcavengon.click:8443

Mutex

vIztAR0WQO0E

Attributes

delay
0
install
true
install_file
z716.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/0x000e00000001c499-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2596	z716.exe
1236	z716.exe

Outbound SSH connection to public host 2 TTPs 2 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	19	104.21.10.8:22
SSH destination	17	172.67.189.217:22

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
3024	cmd.exe
3084	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	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.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	z716.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z716.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
6140	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
1652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
Token: SeDebugPrivilege	2596	z716.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 3024	4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe	89
PID 4364 wrote to memory of 3084	4364	7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe	91
PID 3024 wrote to memory of 1652	3024	cmd.exe	93
PID 3084 wrote to memory of 6140	3084	cmd.exe	94
PID 3084 wrote to memory of 1236	3084	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe
"C:\Users\Admin\AppData\Local\Temp\7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "z716" /tr '"C:\Users\Admin\AppData\Roaming\z716.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "z716" /tr '"C:\Users\Admin\AppData\Roaming\z716.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1652
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF279.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:6140
- - C:\Users\Admin\AppData\Roaming\z716.exe
    "C:\Users\Admin\AppData\Roaming\z716.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1236

C:\Users\Admin\AppData\Roaming\z716.exe
"C:\Users\Admin\AppData\Roaming\z716.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2596

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

tmpF279.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpF279.tmp.bat
Size 148B
SHA256 f39a15f8275cb0bf0a64aa33b6bef79d7748f6dba4e9c982670fe1afdd74fd15
MD5 496b93f179ac637b510898886d94af5b
SHA1 d0ac3bea0212e8f1869a3a17072060ce0b96e29f
SHA512 b8d40d0f74605d295c07f0541682236577cdc77f2ec404c6db1ba3a215d2fb0d7ba73ed7b63fab360eeeb0cfc722d82b856d900f79da6b9cbc7c0414fbb16019
TLSH
T124C02B5391C7FA0E3805141303FED88DA1766C193FC0BB00D304840D7280848F0DF381
MD5 SHA1 SHA512 TLSH

Submit Download

z716.exe

Path C:\Users\Admin\AppData\Roaming\z716.exe
Size 45KB
SHA256 7ed999cf81acd36aef4706d0408e05b60bc8fffeab499cf267901712a4189986
MD5 d4d07dc45fac3abdef426f17c5cf6527
SHA1 50c70d906c7c2cd14428238228e976416bf48fed
SHA512 363378807787bca6159ac4604f4b89750ad64c9107fbdce0d7135b58e53d42053bcf3249ce4a68995af0716a3cbaf157bc12d26e771ce663c1431016f94b0008
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVyLiE02FjMdjYkkmPIWzjbAgX3iF/oI7B0rBDZEx:MuBGJTPho2/L9wQPW3bnXShEdEx
TLSH
T192231A0037E9812BF2BE4F7869F26145867AF6732603D64A1CC451DB5A13FC68A436FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2596-12-0x00000000746F0000-0x0000000074EAC000-memory.dmp

Download

memory/2596-14-0x00000000746F0000-0x0000000074EAC000-memory.dmp

Download

memory/4364-0-0x0000000074702000-0x0000000074703000-memory.dmp

Download

memory/4364-1-0x0000000000080000-0x0000000000092000-memory.dmp

Download

memory/4364-2-0x00000000746F0000-0x0000000074EAC000-memory.dmp

Download

memory/4364-3-0x0000000004BC0000-0x0000000004C5C000-memory.dmp

Download

memory/4364-9-0x00000000746F0000-0x0000000074EAC000-memory.dmp

Download