asyncrat | 1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4

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, 00:31

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General

Target
1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
Size 45KB
Sample260804-avbc3ssyfs
SHA256 1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4
MD5 37a955595324cd7420aa846bc767716d
SHA1 b25f38d6d34769ab18218b5b0c9f30391e7e5dc2
SHA512 6c45bc47b5b7238615741f907f4e2dda068cfafff10db5923039bd9853f2f204c56db19e243aa034cb23e36833305f681cb92f412c57eca3533db985a200de2e
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVOT9Qpm9PI4zjbKgX3ipBEEyqBDZkx:suJdpTPdI2ZQ43bdXSpBo0dkx
TLSH
T1A4231A003BE8813BF2BE5BB8A8F26145867AF5636603D6492CC451D75723FC6CA426FD
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
industroyer.xcavengon.click:80
industroyer.xcavengon.click:22
industroyer.xcavengon.click:8080
industroyer.xcavengon.click:8880
industroyer.xcavengon.click:2052
industroyer.xcavengon.click:2082
industroyer.xcavengon.click:2086
industroyer.xcavengon.click:2095
industroyer.xcavengon.click:443
industroyer.xcavengon.click:2053
industroyer.xcavengon.click:2083
industroyer.xcavengon.click:2087
industroyer.xcavengon.click:2096
industroyer.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

Mutex

83CMDWmSalEE

Attributes

delay
0
install
true
install_file
6sk896b5.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/0x0004000000016b4e-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4736	6sk896b5.exe
572	6sk896b5.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	14	104.21.10.8:22
SSH destination	13	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
2740	cmd.exe
5320	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	6sk896b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.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	6sk896b5.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2268	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
2536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
Token: SeDebugPrivilege	4736	6sk896b5.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5716 wrote to memory of 2740	5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe	89
PID 5716 wrote to memory of 5320	5716	1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe	91
PID 2740 wrote to memory of 2536	2740	cmd.exe	93
PID 5320 wrote to memory of 2268	5320	cmd.exe	94
PID 5320 wrote to memory of 572	5320	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe
"C:\Users\Admin\AppData\Local\Temp\1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "6sk896b5" /tr '"C:\Users\Admin\AppData\Roaming\6sk896b5.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "6sk896b5" /tr '"C:\Users\Admin\AppData\Roaming\6sk896b5.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2536
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp52E9.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5320
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2268
- - C:\Users\Admin\AppData\Roaming\6sk896b5.exe
    "C:\Users\Admin\AppData\Roaming\6sk896b5.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:572

C:\Users\Admin\AppData\Roaming\6sk896b5.exe
"C:\Users\Admin\AppData\Roaming\6sk896b5.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4736

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

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Downloads

tmp52E9.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp52E9.tmp.bat
Size 152B
SHA256 21a1af6c19a3b1e1eb92c6b2ff5ecde2107d14c45a9874ae28586e2cb5f9a70c
MD5 73890abd506490d651f4d3b7e8361c84
SHA1 cd39f2bc69671e0cdb586a2fa4c21d9cd0d6cdee
SHA512 ce54487b4239dc058bb7d587597f8691343dfe9d2ba0f002ca36518bfbf084df92ddc8f9a935bbb34edf2ca5663f2d08ab6fd4dfa3ac9797332a81e1b20a5f14
TLSH
T1B0C02B8361CAEB5E3809281302FBDADD9176AC1A3F40FB40D304C01E52C0C4DF0EA345
MD5 SHA1 SHA512 TLSH

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6sk896b5.exe

Path C:\Users\Admin\AppData\Roaming\6sk896b5.exe
Size 45KB
SHA256 1a65de4a71a5bc265e4d5177c073f5c11427f6ad471c5340855ed07e04f42aa4
MD5 37a955595324cd7420aa846bc767716d
SHA1 b25f38d6d34769ab18218b5b0c9f30391e7e5dc2
SHA512 6c45bc47b5b7238615741f907f4e2dda068cfafff10db5923039bd9853f2f204c56db19e243aa034cb23e36833305f681cb92f412c57eca3533db985a200de2e
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVOT9Qpm9PI4zjbKgX3ipBEEyqBDZkx:suJdpTPdI2ZQ43bdXSpBo0dkx
TLSH
T1A4231A003BE8813BF2BE5BB8A8F26145867AF5636603D6492CC451D75723FC6CA426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4736-12-0x00000000744E0000-0x0000000074C9C000-memory.dmp

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memory/4736-14-0x00000000744E0000-0x0000000074C9C000-memory.dmp

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memory/5716-0-0x0000000074552000-0x0000000074553000-memory.dmp

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memory/5716-1-0x0000000000650000-0x0000000000662000-memory.dmp

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memory/5716-2-0x0000000074540000-0x0000000074CFC000-memory.dmp

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memory/5716-3-0x00000000051D0000-0x000000000526C000-memory.dmp

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memory/5716-8-0x0000000074540000-0x0000000074CFC000-memory.dmp

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