asyncrat | ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 16:53

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General

Target
ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
Size 45KB
Sample260816-vefcbaep3s
SHA256 ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce
MD5 2447f84ca7029dd99650c17d8b59a0a5
SHA1 71ce3ae893f11f7f59dfb064aed7a68202635fc5
SHA512 492d6547ba85d681c468e41cb3a33ce4a918de018d5650f1ded587f8dc5d195d99c2d49c08f2c8278b218eb0789aad6dbf9cdf4264e5d2823c6d3ccea2e2211f
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9cx1HJhOPIcozjbQg33i4Td0BtyBBDZsx:EulCJTHl42tFj3co3bX3Sgd0ry/dsx
TLSH
T12D23190037E8822BF2BE4F7899F26145867EF6637603D58E1CC451DB4A13FC69A426ED
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

ads.zorvec.name:80
ads.zorvec.name:22
ads.zorvec.name:8080
ads.zorvec.name:8880
ads.zorvec.name:2052
ads.zorvec.name:2082
ads.zorvec.name:2086
ads.zorvec.name:2095
ads.zorvec.name:443
ads.zorvec.name:2053
ads.zorvec.name:2083
ads.zorvec.name:2087
ads.zorvec.name:2096
ads.zorvec.name:8443
www.ads.zorvec.name:80
www.ads.zorvec.name:22
www.ads.zorvec.name:8080
www.ads.zorvec.name:8880
www.ads.zorvec.name:2052
www.ads.zorvec.name:2082
www.ads.zorvec.name:2086
www.ads.zorvec.name:2095
www.ads.zorvec.name:443
www.ads.zorvec.name:2053
www.ads.zorvec.name:2083
www.ads.zorvec.name:2087
www.ads.zorvec.name:2096
www.ads.zorvec.name:8443
trisis.ads.zorvec.name:80
trisis.ads.zorvec.name:22
trisis.ads.zorvec.name:8080
trisis.ads.zorvec.name:8880
trisis.ads.zorvec.name:2052
trisis.ads.zorvec.name:2082
trisis.ads.zorvec.name:2086
trisis.ads.zorvec.name:2095
trisis.ads.zorvec.name:443
trisis.ads.zorvec.name:2053
trisis.ads.zorvec.name:2083
trisis.ads.zorvec.name:2087
trisis.ads.zorvec.name:2096
trisis.ads.zorvec.name:8443
downadup.ads.zorvec.name:80
downadup.ads.zorvec.name:22
downadup.ads.zorvec.name:8080
downadup.ads.zorvec.name:8880
downadup.ads.zorvec.name:2052
downadup.ads.zorvec.name:2082
downadup.ads.zorvec.name:2086
downadup.ads.zorvec.name:2095
downadup.ads.zorvec.name:443
downadup.ads.zorvec.name:2053
downadup.ads.zorvec.name:2083
downadup.ads.zorvec.name:2087
downadup.ads.zorvec.name:2096
downadup.ads.zorvec.name:8443
conficker.ads.zorvec.name:80
conficker.ads.zorvec.name:22
conficker.ads.zorvec.name:8080
conficker.ads.zorvec.name:8880
conficker.ads.zorvec.name:2052
conficker.ads.zorvec.name:2082
conficker.ads.zorvec.name:2086
conficker.ads.zorvec.name:2095
conficker.ads.zorvec.name:443
conficker.ads.zorvec.name:2053
conficker.ads.zorvec.name:2083
conficker.ads.zorvec.name:2087
conficker.ads.zorvec.name:2096
conficker.ads.zorvec.name:8443

Mutex

faqOxoV3EfI4

Attributes

delay
0
install
true
install_file
rn2x4n.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/0x0005000000016b47-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4228	rn2x4n.exe
5404	rn2x4n.exe

Outbound SSH connection to public host 2 TTPs 4 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	9	104.21.28.44:22
SSH destination	10	172.67.144.58:22
SSH destination	13	104.21.28.44:22
SSH destination	14	172.67.144.58:22

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
4928	cmd.exe
6128	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rn2x4n.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rn2x4n.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3892	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
1680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
Token: SeDebugPrivilege	4228	rn2x4n.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5948 wrote to memory of 4928	5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe	89
PID 5948 wrote to memory of 6128	5948	ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe	91
PID 4928 wrote to memory of 1680	4928	cmd.exe	93
PID 6128 wrote to memory of 3892	6128	cmd.exe	94
PID 6128 wrote to memory of 5404	6128	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe
"C:\Users\Admin\AppData\Local\Temp\ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "rn2x4n" /tr '"C:\Users\Admin\AppData\Roaming\rn2x4n.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "rn2x4n" /tr '"C:\Users\Admin\AppData\Roaming\rn2x4n.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1680
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp387B.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6128
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3892
- - C:\Users\Admin\AppData\Roaming\rn2x4n.exe
    "C:\Users\Admin\AppData\Roaming\rn2x4n.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5404

C:\Users\Admin\AppData\Roaming\rn2x4n.exe
"C:\Users\Admin\AppData\Roaming\rn2x4n.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4228

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

tmp387B.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp387B.tmp.bat
Size 150B
SHA256 85ad9389caba6fedf810efd434bb30c04188de05d43e024291dc899363cbd3fb
MD5 d85c93494cfee8122912cca161405faf
SHA1 daecc5039ec1fd78804c9f3f0cc5a44877befc31
SHA512 f2f3eaf5a5f1a0f49f594e512229efd73d4021836ee6d9c34b0012253de9eac2ad8850b70479ae8d231c589d79d15c00d36844ec71924f549f65e0a21427fa92
TLSH
T174C08C9251C7AA4E2906941302BA948C917669193E80FB108784441922C1C49E09A245
MD5 SHA1 SHA512 TLSH

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rn2x4n.exe

Path C:\Users\Admin\AppData\Roaming\rn2x4n.exe
Size 45KB
SHA256 ceb960792e5230308a144e936831450711c445f346fbf51d4daf91216133c7ce
MD5 2447f84ca7029dd99650c17d8b59a0a5
SHA1 71ce3ae893f11f7f59dfb064aed7a68202635fc5
SHA512 492d6547ba85d681c468e41cb3a33ce4a918de018d5650f1ded587f8dc5d195d99c2d49c08f2c8278b218eb0789aad6dbf9cdf4264e5d2823c6d3ccea2e2211f
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9cx1HJhOPIcozjbQg33i4Td0BtyBBDZsx:EulCJTHl42tFj3co3bX3Sgd0ry/dsx
TLSH
T12D23190037E8822BF2BE4F7899F26145867EF6637603D58E1CC451DB4A13FC69A426ED
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4228-12-0x00000000745F0000-0x0000000074DAC000-memory.dmp

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memory/4228-14-0x00000000745F0000-0x0000000074DAC000-memory.dmp

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memory/5948-0-0x00000000747F2000-0x00000000747F3000-memory.dmp

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memory/5948-1-0x0000000000090000-0x00000000000A2000-memory.dmp

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memory/5948-2-0x00000000747E0000-0x0000000074F9C000-memory.dmp

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memory/5948-3-0x0000000004BB0000-0x0000000004C4C000-memory.dmp

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memory/5948-8-0x00000000747E0000-0x0000000074F9C000-memory.dmp

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